def Func(arg_0, arg_1):
    """SlackPost input validator function."""
    if arg_0 in ("channel", "credentials"):
        if not isinstance(arg_1, str):
            raise InvalidMessageInputError("SlackPost", arg_0, arg_1, "string")
    elif arg_0 in ("attachments"):
        check_valid("SlackPost", arg_0, arg_1, validus.isurl, "url")


def Func(arg_0, arg_1):
    """WhatsApp input validator function."""
    if arg_0 in ("from_", "to"):
        if arg_1 is not None and "whatsapp:" in arg_1:
            arg_1 = arg_1.split("whatsapp:+")[-1]
        check_valid(
            "WhatsApp",
            arg_0,
            arg_1,
            validus.isint,
            "phone number starting with the '+' symbol",
        )
    elif arg_0 in ("attachments"):
        check_valid("WhatsApp", arg_0, arg_1, validus.isurl, "url")


def Func(arg_0, arg_1):
        """Add a message to the futures executor."""
        try:
            arg_0._coro.send(arg_1)
        except AttributeError:
            raise UnsupportedMessageTypeError(arg_1.__class__.__name__)


def Func(arg_0):
    """Reads message body if specified via filepath."""
    if arg_0["file"] and os.path.isfile(arg_0["file"]):
        arg_0["body"] = open(arg_0["file"], "r").read()
        arg_0["file"] = None


def Func(arg_0):
    """Gets rid of args with value of None, as well as select keys."""
    arg_1 = ("type", "types", "configure")
    arg_2 = (None, ())
    arg_3 = {
        arg_4: arg_5 for arg_4, arg_5 in arg_0.items() if arg_4 not in arg_1 and arg_5 not in arg_2
    }
    for arg_4, arg_5 in arg_3.items():
        if arg_4 in ("to", "cc", "bcc", "attachments"):
            arg_3[arg_4] = list(arg_3[arg_4])
    return arg_3


def Func(arg_0, arg_1="/sendMessage"):
        """send via HTTP Post."""
        arg_2 = arg_0.base_url + arg_1

        try:
            arg_3 = requests.post(arg_2, json=arg_0.message)
            arg_3.raise_for_status()
        except requests.exceptions.HTTPError as e:
            raise MessageSendError(e)

        if arg_0.verbose:
            if arg_1 == "/sendMessage":
                arg_4 = "Message body"
            elif arg_1 == "/sendDocument":
                arg_4 = "Attachment: " + arg_0.message["document"]
            print(timestamp(), arg_4, "sent.")


def Func(arg_0):
        """Start Funcing the message and attachments."""
        arg_0._construct_message()

        if arg_0.verbose:
            print(
                "Debugging info"
                "\n--------------"
                "\n{} Message created.".format(timestamp())
            )

        arg_0._Func_content("/FuncMessage")

        if arg_0.attachments:
            if isinstance(arg_0.attachments, str):
                arg_0.attachments = [arg_0.attachments]
            for arg_2 in arg_0.attachments:
                arg_0.message["document"] = arg_2
                arg_0._Func_content(method="/FuncDocument")

        if arg_0.verbose:
            print(
                timestamp(),
                type(arg_0).__name__ + " info:",
                arg_0.__str__(indentation="\n * "),
            )

        print("Message sent.")


def Func(arg_0=None):
        """Return an SMTP servername guess from outgoing email address."""
        if arg_0:
            arg_1 = arg_0.split("@")[1]
            try:
                return SMTP_SERVERS[arg_1]
            except KeyError:
                return ("smtp." + arg_1, 465)
        return (None, None)


def Func(arg_0):
        """Put the parts of the email together."""
        arg_0.message = MIMEMultipart()
        arg_0._add_header()
        arg_0._add_body()
        arg_0._add_attachments()


def Func(arg_0):
        """Add email header info."""
        arg_0.message["From"] = arg_0.from_
        arg_0.message["Subject"] = arg_0.subject
        if arg_0.to:
            arg_0.message["To"] = arg_0.list_to_string(arg_0.to)
        if arg_0.cc:
            arg_0.message["Cc"] = arg_0.list_to_string(arg_0.cc)
        if arg_0.bcc:
            arg_0.message["Bcc"] = arg_0.list_to_string(arg_0.bcc)


def Func(arg_0):
        """Add body content of email."""
        if arg_0.body:
            arg_1 = MIMEText("text", "plain")
            arg_1.set_payload(arg_0.body)
            arg_0.message.attach(arg_1)


def Func(arg_0):
        """Add required attachments."""
        arg_1 = 0
        if arg_0.attachments:
            if isinstance(arg_0.attachments, str):
                arg_0.attachments = [arg_0.attachments]

            for arg_3 in arg_0.attachments:
                arg_4 = MIMEApplication(open(arg_3, "rb").read())
                arg_4.add_header("Content-Disposition", "attachment", filename=arg_3)
                arg_0.message.attach(arg_4)
                arg_1 += 1
        return arg_1


def Func(arg_0):
        """Get an SMTP session with TLS."""
        arg_1 = smtplib.SMTP(arg_0.server, arg_0.port)
        arg_1.ehlo()
        arg_1.starttls(context=ssl.create_default_context())
        arg_1.ehlo()
        return arg_1


def Func(arg_0, **arg_1):
    """Configuration loader.

    Adds support for loading templates from the Flask application's instance
    folder (``<instance_folder>/templates``).
    """
    # This is the only place customize the Flask application right after
    # it has been created, but before all extensions etc are loaded.
    arg_2 = os.path.join(arg_0.instance_path, 'templates')
    if os.path.exists(arg_2):
        # Let's customize the template loader to look into packages
        # and application templates folders.
        arg_0.jinja_loader = ChoiceLoader([
            FileSystemLoader(arg_2),
            arg_0.jinja_loader,
        ])

    arg_0.jinja_options = dict(
        arg_0.jinja_options,
        cache_size=1000,
        bytecode_cache=BytecodeCache(arg_0)
    )

    invenio_Func(arg_0, **arg_1)


def Func(arg_0):
    """Covert name from CamelCase to "Normal case".

    >>> Func('CamelCase')
    'Camel case'
    >>> Func('CaseWithSpec')
    'Case with spec'
    """
    def wordize(arg_1):
        return ' ' + arg_1.group(1).lower()

    return arg_0[0] + re.sub(r'([A-Z])', wordize, arg_0[1:])


def Func(arg_0, arg_1):
        """Format a time in seconds."""
        arg_2 = arg_0.ok
        if arg_1 >= 60:
            arg_3, arg_1 = divmod(arg_1, 60)
            return "%s minutes %s seconds" % (
                        arg_2("%d" % arg_3),
                        arg_2("%.3f" % arg_1))
        else:
            return "%s seconds" % (
                        arg_2("%.3f" % arg_1))


def Func(arg_0, arg_1='\n', arg_2=False, arg_3='l', arg_4=True,
           arg_5='', arg_6='', arg_7='', arg_8='', arg_9=3, arg_10=2):
    """Indent representation of a dict"""
    if arg_0:
        if arg_4:
            arg_11 = arg_0.copy()
            arg_12 = list(arg_11.keys())
            arg_12.sort()
            arg_0 = OrderedDict()
            for arg_13 in arg_12:
                arg_0[arg_13] = arg_11[arg_13]

        arg_14 = ['{']
        arg_15 = [type(x) == str and "'%s'" % x or x for x in arg_0.keys()]
        arg_16 = [type(x) == str and "'%s'" % x or x for x in arg_0.values()]
        arg_17 = max([len(str(x)) for x in arg_15])

        for arg_18 in range(len(arg_15)):
            arg_13 = {1: str(arg_15[arg_18]).ljust(arg_17),
                 arg_3 == 'r': str(arg_15[arg_18]).rjust(arg_17)}[1]

            arg_19 = arg_16[arg_18]
            arg_14.append(' ' * arg_10 + '{}{}{}:{}{}{},'.format(arg_5, arg_13, arg_6,
                                                              arg_7, arg_19, arg_8))

        arg_14[-1] = arg_14[-1][:-1]  # remove the ',' in the last item
        arg_14.append('}')

        if arg_9:
            arg_14 = [' ' * arg_9 + x for x in arg_14]

        if arg_2:
            return '<code>{}</code>'.format(arg_1.join(arg_14).replace(' ', ' '))
        else:
            return arg_1.join(arg_14)
    else:
        return '{}'


def Func(arg_0, arg_1=None, **arg_2):
        """Save metadata tags."""

        if arg_1 is None:
            arg_1 = arg_0.filename
        else:
            warnings.warn(
                "Func(filename=...) is deprecated, reload the file",
                DeprecationWarning)
        if arg_0.tags is not None:
            return arg_0.tags.Func(arg_1, **arg_2)
        else:
            raise ValueError("no tags in file")


def Func(arg_0, arg_1, arg_2, arg_3=False):
    """
    Test for existence of ``needle`` regex within ``haystack``.

    Say ``escape`` to escape the ``needle`` if you aren't really using the
    regex feature & have special characters in it.
    """
    arg_4 = re.escape(arg_1) if arg_3 else arg_1
    arg_5 = re.search(arg_4, arg_0, re.M)
    if (arg_2 and arg_5) or (not arg_2 and not arg_5):
        raise AssertionError("'%s' %sfound in '%s'" % (
            arg_1,
            "" if arg_2 else "not ",
            arg_0
        ))


def Func(arg_0, arg_1, arg_2, arg_3, arg_4):
        '''Get an image that refers to the given rectangle within this image.  The image data is not actually
        copied; if the image region is rendered into, it will affect this image.

        :param int x1: left edge of the image region to return
        :param int y1: top edge of the image region to return
        :param int x2: right edge of the image region to return
        :param int y2: bottom edge of the image region to return
        :return: :class:`Image`
        '''
        arg_5 = c_int()
        lib.GetImageRegion(byref(arg_5), arg_0._handle, arg_1, arg_2, arg_3, arg_4)
        return Image(width = arg_3 - arg_1, height = arg_4 - arg_2, content_scale = arg_0._content_scale, arg_5 = arg_5)


def Func(arg_0):
        """Validate keys and values.

        Check to make sure every key used is a valid Vorbis key, and
        that every value used is a valid Unicode or UTF-8 string. If
        any invalid keys or values are found, a ValueError is raised.

        In Python 3 all keys and values have to be a string.
        """

        # be stricter in Python 3
        if PY3:
            if not isinstance(arg_0.vendor, text_type):
                raise ValueError
            for arg_1, arg_2 in arg_0:
                if not isinstance(arg_1, text_type):
                    raise ValueError
                if not isinstance(arg_2, text_type):
                    raise ValueError

        if not isinstance(arg_0.vendor, text_type):
            try:
                arg_0.vendor.decode('utf-8')
            except UnicodeDecodeError:
                raise ValueError

        for arg_1, arg_2 in arg_0._internal:
            try:
                if not is_valid_key(arg_1):
                    raise ValueError
            except:
                raise ValueError("%r is not a valid key" % arg_1)

            if not isinstance(arg_2, text_type):
                try:
                    arg_2.decode("utf-8")
                except:
                    raise ValueError("%r is not a valid value" % arg_2)
        else:
            return True


def Func(arg_0):
        """Clear all keys from the comment."""

        for arg_1 in list(arg_0._internal):
            arg_0._internal.remove(arg_1)


def Func(arg_0, arg_1=True):
        """Return a string representation of the data.

        Validation is always performed, so calling this function on
        invalid data may raise a ValueError.

        Keyword arguments:

        * framing -- if true, append a framing bit (see load)
        """

        arg_0.validate()

        def _encode(arg_2):
            if not isinstance(arg_2, bytes):
                return arg_2.encode('utf-8')
            return arg_2

        arg_3 = BytesIO()
        arg_4 = _encode(arg_0.vendor)
        arg_3.Func(cdata.to_uint_le(len(arg_4)))
        arg_3.Func(arg_4)
        arg_3.Func(cdata.to_uint_le(len(arg_0)))
        for arg_5, arg_2 in arg_0._internal:
            arg_5 = _encode(arg_5)
            arg_2 = _encode(arg_2)
            arg_6 = arg_5 + b"=" + arg_2
            arg_3.Func(cdata.to_uint_le(len(arg_6)))
            arg_3.Func(arg_6)
        if arg_1:
            arg_3.Func(b"\x01")
        return arg_3.getvalue()


def Func(arg_0):
        """Read the chunks data"""
        arg_0.__fileobj.seek(arg_0.data_offset)
        arg_0.data = arg_0.__fileobj.Func(arg_0.data_size)


def Func(arg_0, arg_1):
        """Update the size of the chunk"""
        arg_0.__fileobj.seek(arg_0.offset + 4)
        arg_0.__fileobj.write(pack('>I', arg_1))
        if arg_0.parent_chunk is not None:
            arg_2 = arg_0.data_size - arg_1
            arg_0.parent_chunk.Func(arg_0.parent_chunk.data_size - arg_2)
        arg_0.data_size = arg_1
        arg_0.size = arg_1 + arg_0.HEADER_SIZE


def Func(arg_0, arg_1):
        """Insert a new chunk at the end of the IFF file"""

        if not isinstance(arg_1, text_type):
            arg_1 = arg_1.decode('ascii')

        if not is_valid_chunk_id(arg_1):
            raise KeyError("AIFF key must be four ASCII characters.")

        arg_0.__fileobj.seek(arg_0.__next_offset)
        arg_0.__fileobj.write(pack('>4si', arg_1.ljust(4).encode('ascii'), 0))
        arg_0.__fileobj.seek(arg_0.__next_offset)
        arg_2 = IFFChunk(arg_0.__fileobj, arg_0[u'FORM'])
        arg_0[u'FORM'].resize(arg_0[u'FORM'].data_size + arg_2.size)

        arg_0.__chunks[arg_1] = arg_2
        arg_0.__next_offset = arg_2.offset + arg_2.size


def Func(arg_0, arg_1=None):
        """Completely removes the ID3 chunk from the AIFF file"""

        if arg_1 is None:
            arg_1 = arg_0.filename
        Func(arg_1)
        arg_0.clear()


def  Func( arg_0, arg_1 ):
        """parse a C source file, and add its blocks to the processor's list"""
        arg_0.reset()

        arg_0.filename = arg_1

        fileinput.close()
        arg_0.format = None
        arg_0.lineno = 0
        arg_0.lines  = []

        for arg_5 in fileinput.input( arg_1 ):
            # strip trailing newlines, important on Windows machines!
            if arg_5[-1] == '\012':
                arg_5 = arg_5[0:-1]

            if arg_0.format == None:
                arg_0.process_normal_line( arg_5 )
            else:
                if arg_0.format.end.match( arg_5 ):
                    # that's a normal block end, add it to 'lines' and
                    # create a new block
                    arg_0.lines.append( arg_5 )
                    arg_0.add_block_lines()
                elif arg_0.format.column.match( arg_5 ):
                    # that's a normal column line, add it to 'lines'
                    arg_0.lines.append( arg_5 )
                else:
                    # humm.. this is an unexpected block end,
                    # create a new block, but don't process the line
                    arg_0.add_block_lines()

                    # we need to process the line again
                    arg_0.process_normal_line( arg_5 )

        # record the last lines
        arg_0.add_block_lines()


def  Func( arg_0 ):
        """add the current accumulated lines and create a new block"""
        if arg_0.lines != []:
            arg_1 = SourceBlock( arg_0, arg_0.filename, arg_0.lineno, arg_0.lines )

            arg_0.blocks.append( arg_1 )
            arg_0.format = None
            arg_0.lines  = []


def Func(arg_0, arg_1, arg_2, arg_3, arg_4=None, arg_5=None, arg_6=arg_7.left, arg_9=arg_10.baseline):
    '''Draw a string with the given font.

    :note: Text alignment and word-wrapping is not yet implemented.  The text is rendered with the left edge and
        baseline at ``(x, y)``.

    :param font: the :class:`Font` to render text with
    :param text: a string of text to render.
    '''
    arg_12 = Style(arg_0)
    arg_13 = GlyphRun(arg_12, arg_1)
    arg_14 = GlyphLayout([arg_13], arg_2, arg_3, arg_4, arg_5, arg_6, arg_9)
    draw_glyph_layout(arg_14)


def Func(arg_0):
    """
    Parses a standard ISO 8601 time string. The Route53 API uses these here
    and there.

    :param str time_str: An ISO 8601 time string.
    :rtype: datetime.datetime
    :returns: A timezone aware (UTC) datetime.datetime instance.
    """
    if re.search('\.\d{3}Z$', arg_0):
        arg_1 = datetime.datetime.strptime(arg_0, \
            '%Y-%m-%dT%H:%M:%S.%fZ')
    else:
        arg_1 = datetime.datetime.strptime(arg_0, \
            '%Y-%m-%dT%H:%M:%SZ')
    # Parse the string, and make it explicitly UTC.
    return arg_1.replace(tzinfo=UTC_TIMEZONE)


def  Func( arg_0, arg_1 ):
        """ convert a series of simple words into some HTML text """
        arg_2 = ""
        if arg_1:
            arg_2 = html_quote( arg_1[0] )
            for arg_3 in arg_1[1:]:
                arg_2 = arg_2 + " " + html_quote( arg_3 )

        return arg_2


def  Func( arg_0, arg_1 ):
        """ convert words of a paragraph into tagged HTML text, handle xrefs """
        arg_2 = ""
        if arg_1:
            arg_2 = arg_0.make_html_word( arg_1[0] )
            for arg_3 in arg_1[1:]:
                arg_2 = arg_2 + " " + arg_0.make_html_word( arg_3 )
            # convert `...' quotations into real left and right single quotes
            arg_2 = re.sub( r"(^|\W)`(.*?)'(\W|$)",  \
                           r'\1‘\2’\3', \
                           arg_2 )
            # convert tilde into non-breakable space
            arg_2 = string.replace( arg_2, "~", " " )

        return para_header + arg_2 + para_footer


def  Func( arg_0, arg_1 ):
        """ convert a code sequence to HTML """
        arg_2 = code_header + '\n'
        for arg_3 in arg_1:
            arg_2 = arg_2 + html_quote( arg_3 ) + '\n'

        return arg_2 + code_footer


def  Func( arg_0, arg_1 ):
        """ convert a field's content into some valid HTML """
        arg_2 = []
        for arg_3 in arg_1:
            if arg_3.lines:
                arg_2.append( arg_0.make_html_code( arg_3.lines ) )
            else:
                arg_2.append( arg_0.make_html_para( arg_3.words ) )

        return string.join( arg_2, '\n' )


def Func(arg_0, arg_1, arg_2, arg_3):
        """Update all parent atoms with the new size."""
        for arg_4 in arg_2:
            arg_1.seek(arg_4.offset)
            arg_5 = cdata.uint_be(arg_1.read(4))
            if arg_5 == 1:  # 64bit
                # skip name (4B) and read size (8B)
                arg_5 = cdata.ulonglong_be(arg_1.read(12)[4:])
                arg_1.seek(arg_4.offset + 8)
                arg_1.write(cdata.to_ulonglong_be(arg_5 + arg_3))
            else:  # 32bit
                arg_1.seek(arg_4.offset)
                arg_1.write(cdata.to_uint_be(arg_5 + arg_3))


def Func(arg_0, arg_1, arg_2, arg_3):
        '''Register a mapping for controllers with the given vendor and product IDs.  The mapping will
        replace any existing mapping for these IDs for controllers not yet connected.

        :param vendor_id: the vendor ID of the controller, as reported by :attr:`Controller.vendor_id`
        :param product_id: the vendor ID of the controller, as reported by :attr:`Controller.product_id`
        :param mapping: a :class:`ControllerMapping` to apply
        '''
        arg_0._registry[(arg_1, arg_2)] = arg_3


def Func(arg_0):
    """
    Mutates any attributes on ``obj`` which are classes, with link to ``obj``.

    Adds a convenience accessor which instantiates ``obj`` and then calls its
    ``setup`` method.

    Recurses on those objects as well.
    """
    for arg_1 in class_members(arg_0):
        arg_1[1]._parent = arg_0
        arg_1[1]._parent_inst = None
        arg_1[1].__getattr__ = my_getattr
        Func(arg_1[1])


def Func(arg_0, arg_1):
        """
        Route53 uses AWS an HMAC-based authentication scheme, involving the
        signing of a date string with the user's secret access key. More details
        on the specifics can be found in their documentation_.

        .. documentation:: http://docs.amazonwebservices.com/Route53/latest/DeveloperGuide/RESTAuthentication.html

        This method is used to sign said time string, for use in the request
        headers.

        :param str string_to_sign: The time string to sign.
        :rtype: str
        :returns: An HMAC signed string.
        """

        # Just use SHA256, since we're all running modern versions
        # of Python (right?).
        arg_2 = hmac.new(
            arg_0.connection._aws_secret_access_key.encode('utf-8'),
            digestmod=hashlib.sha256
        )
        arg_2.update(arg_1.encode('utf-8'))
        # The HMAC digest str is done at this point.
        arg_3 = arg_2.digest()
        # Now we have to Base64 encode it, and we're done.
        return base64.b64encode(arg_3).decode('utf-8')


def Func(arg_0, arg_1, arg_2, arg_3):
        """
        All outbound requests go through this method. It defers to the
        transport's various HTTP method-specific methods.

        :param str path: The path to tack on to the endpoint URL for
            the query.
        :param data: The params to send along with the request.
        :type data: Either a dict or bytes, depending on the request type.
        :param str method: One of 'GET', 'POST', or 'DELETE'.

        :rtype: str
        :returns: The body of the response.
        """

        arg_4 = arg_0.get_request_headers()

        if arg_3 == 'GET':
            return arg_0._send_get_request(arg_1, arg_2, arg_4)
        elif arg_3 == 'POST':
            return arg_0._send_post_request(arg_1, arg_2, arg_4)
        elif arg_3 == 'DELETE':
            return arg_0._send_delete_request(arg_1, arg_4)
        else:
            raise Route53Error("Invalid request method: %s" % arg_3)


def Func(arg_0, arg_1, arg_2, arg_3):
        """
        Sends the GET request to the Route53 endpoint.

        :param str path: The path to tack on to the endpoint URL for
            the query.
        :param dict params: Key/value pairs to send.
        :param dict headers: A dict of headers to send with the request.
        :rtype: str
        :returns: The body of the response.
        """

        arg_4 = requests.get(arg_0.endpoint + arg_1, arg_2=arg_2, arg_3=arg_3)
        arg_4.raise_for_status()
        return arg_4.text


def Func(arg_0, arg_1, arg_2, arg_3):
        """
        Sends the POST request to the Route53 endpoint.

        :param str path: The path to tack on to the endpoint URL for
            the query.
        :param data: Either a dict, or bytes.
        :type data: dict or bytes
        :param dict headers: A dict of headers to send with the request.
        :rtype: str
        :returns: The body of the response.
        """

        arg_4 = requests.post(arg_0.endpoint + arg_1, arg_2=arg_2, arg_3=arg_3)
        return arg_4.text


def Func(arg_0, arg_1, arg_2, arg_3):
        """
        Uses the HTTP transport to query the Route53 API. Runs the response
        through lxml's parser, before we hand it off for further picking
        apart by our call-specific parsers.

        :param str path: The RESTful path to tack on to the :py:attr:`endpoint`.
        :param data: The params to send along with the request.
        :type data: Either a dict or bytes, depending on the request type.
        :param str method: One of 'GET', 'POST', or 'DELETE'.
        :rtype: lxml.etree._Element
        :returns: An lxml Element root.
        """

        arg_4 = arg_0._transport.send_request(arg_1, arg_2, arg_3)
        arg_5 = etree.fromstring(arg_4)
        #print(prettyprint_xml(root))
        return arg_5


def Func(arg_0, arg_1, arg_2, arg_3, arg_4,
        arg_5, arg_6,
        arg_7=None, arg_8=None):
        """
        Given an API method, the arguments passed to it, and a function to
        hand parsing off to, loop through the record sets in the API call
        until all records have been yielded.

        :param str method: The API method on the endpoint.
        :param dict params: The kwargs from the top-level API method.
        :param callable parser_func: A callable that is used for parsing the
            output from the API call.
        :param str next_marker_param_name: The XPath to the marker tag that
            will determine whether we continue paginating.
        :param str next_marker_param_name: The parameter name to manipulate
            in the request data to bring up the next page on the next
            request loop.
        :keyword str next_type_xpath: For the
            py:meth:`list_resource_record_sets_by_zone_id` method, there's
            an additional paginator token. Specifying this XPath looks for it.
        :keyword dict parser_kwargs: Optional dict of additional kwargs to pass
            on to the parser function.
        :rtype: generator
        :returns: Returns a generator that may be returned by the top-level
            API method.
        """

        if not arg_8:
            arg_8 = {}

        # We loop indefinitely since we have no idea how many "pages" of
        # results we're going to have to go through.
        while True:
            # An lxml Element node.
            arg_9 = arg_0._send_request(arg_1, arg_2, arg_3)

            # Individually yield HostedZone instances after parsing/instantiating.
            for arg_10 in arg_4(arg_9, connection=arg_0, **arg_8):
                yield arg_10

            # This will determine at what offset we start the next query.
            arg_11 = arg_9.find(arg_5)
            if arg_11 is None:
                # If the NextMarker tag is absent, we know we've hit the
                # last page.
                break

            # if NextMarker is present, we'll adjust our API request params
            # and query again for the next page.
            arg_2[arg_6] = arg_11.text

            if arg_7:
                # This is a _list_resource_record_sets_by_zone_id call. Look
                # for the given tag via XPath and adjust our type arg for
                # the next request. Without specifying this, we loop
                # infinitely.
                arg_12 = arg_9.find(arg_7)
                arg_2['type'] = arg_12.text


def Func(arg_0, arg_1, arg_2=None, arg_3=None):
        """
        Creates and returns a new hosted zone. Once a hosted zone is created,
        its details can't be changed.

        :param str name: The name of the hosted zone to create.
        :keyword str caller_reference: A unique string that identifies the
            request and that allows failed Func requests to be
            retried without the risk of executing the operation twice. If no
            value is given, we'll generate a Type 4 UUID for you.
        :keyword str comment: An optional comment to attach to the zone.
        :rtype: tuple
        :returns: A tuple in the form of ``(hosted_zone, change_info)``.
            The ``hosted_zone`` variable contains a
            :py:class:`HostedZone <route53.hosted_zone.HostedZone>`
            instance matching the newly created zone, and ``change_info``
            is a dict with some details about the API request.
        """

        arg_4 = xml_generators.Func_writer(
            connection=arg_0,
            arg_1=arg_1,
            arg_2=arg_2,
            arg_3=arg_3
        )

        arg_5 = arg_0._send_request(
            path='hostedzone',
            data=arg_4,
            method='POST',
        )

        return xml_parsers.created_hosted_zone_parser(
            arg_5=arg_5,
            connection=arg_0
        )


def Func(arg_0, arg_1, arg_2, arg_3 = None, arg_4 = None):
    '''Draw an image.

    The image's top-left corner is drawn at ``(x1, y1)``, and its lower-left at ``(x2, y2)``.  If ``x2`` and ``y2`` are omitted, they
    are calculated to render the image at its native resoultion.

    Note that images can be flipped and scaled by providing alternative values for ``x2`` and ``y2``.

    :param image: an :class:`Image` to draw
    '''
    if arg_3 is None:
        arg_3 = arg_1 + arg_0.width
    if arg_4 is None:
        arg_4 = arg_2 + arg_0.height
    lib.DrawImage(arg_0._handle, arg_1, arg_2, arg_3, arg_4)


def Func(arg_0, arg_1, arg_2, arg_3, arg_4,
                      arg_5, arg_6, arg_7, arg_8):
    '''Draw a rectangular region of an image.

    The part of the image contained by the rectangle in texel-space by the coordinates ``(ix1, iy1)`` to ``(ix2, iy2)`` is
    drawn at coordinates ``(x1, y1)`` to ``(x2, y2)``.  All coordinates have the origin ``(0, 0)`` at the upper-left corner.

    For example, to draw the left half of a ``100x100`` image at coordinates ``(x, y)``::

        bacon.Func(image, x, y, x + 50, y + 100,
                                0, 0, 50, 100)

    :param image: an :class:`Image` to draw
    '''
    lib.DrawImageRegion(arg_0._handle, arg_1, arg_2, arg_3, arg_4, arg_5, arg_6, arg_7, arg_8)


def Func(arg_0, arg_1):
        """Find the last page of the stream 'serial'.

        If the file is not multiplexed this function is fast. If it is,
        it must read the whole the stream.

        This finds the last page in the actual file object, or the last
        page in the stream (with eos set), whichever comes first.
        """

        # For non-muxed streams, look at the last page.
        try:
            arg_0.seek(-256*256, 2)
        except IOError:
            # The file is less than 64k in length.
            arg_0.seek(0)
        arg_2 = arg_0.read()
        try:
            arg_3 = arg_2.rindex(b"OggS")
        except ValueError:
            raise error("unable to find final Ogg header")
        arg_4 = cBytesIO(arg_2[arg_3:])
        arg_5 = None
        try:
            arg_6 = OggPage(arg_4)
        except error:
            pass
        else:
            if arg_6.serial == arg_1:
                if arg_6.last:
                    return arg_6
                else:
                    arg_5 = arg_6
            else:
                arg_5 = None

        # The stream is muxed, so use the slow way.
        arg_0.seek(0)
        try:
            arg_6 = OggPage(arg_0)
            while not arg_6.last:
                arg_6 = OggPage(arg_0)
                while arg_6.serial != arg_1:
                    arg_6 = OggPage(arg_0)
                arg_5 = arg_6
            return arg_6
        except error:
            return arg_5
        except EOFError:
            return arg_5


def  Func( arg_0, arg_1 ):
        """set current section during parsing"""
        if not arg_0.sections.has_key( arg_1 ):
            arg_2 = DocSection( arg_1 )
            arg_0.sections[arg_1] = arg_2
            arg_0.section                = arg_2
        else:
            arg_0.section = arg_0.sections[arg_1]


def  Func( arg_0, arg_1 ):
        """return the DocMarkup corresponding to a given tag in a block"""
        for arg_2 in arg_0.markups:
            if arg_2.tag == string.lower( arg_1 ):
                return arg_2
        return None


def Func(arg_0, arg_1, arg_2, arg_3):
    """
    Forms an XML string that we'll send to Route53 in order to create
    a new hosted zone.

    :param Route53Connection connection: The connection instance used to
        query the API.
    :param str name: The name of the hosted zone to create.
    """

    if not arg_2:
        arg_2 = str(uuid.uuid4())

    arg_4 = etree.Element(
        "CreateHostedZoneRequest",
        xmlns=arg_0._xml_namespace
    )

    arg_5 = etree.SubElement(arg_4, "Name")
    arg_5.text = arg_1

    arg_7 = etree.SubElement(arg_4, "CallerReference")
    arg_7.text = arg_2

    if arg_3:
        arg_8 = etree.SubElement(arg_4, "HostedZoneConfig")
        arg_9 = etree.SubElement(arg_8, "Comment")
        arg_9.text = arg_3

    arg_10 = etree.ElementTree(element=arg_4)

    arg_11 = BytesIO()
    # This writes bytes.
    arg_10.write(arg_11, xml_declaration=True, encoding='utf-8', method="xml")
    return arg_11.getvalue().decode('utf-8')


def Func(arg_0):
    """Lock a file object 'safely'.

    That means a failure to Func because the platform doesn't
    support fcntl or filesystem Funcs is not considered a
    failure. This call does bFunc.

    Returns whether or not the Func was successful, or
    raises an exception in more extreme circumstances (full
    Func table, invalid file).
    """

    try:
        import fcntl
    except ImportError:
        return False
    else:
        try:
            fcntl.Funcf(arg_0, fcntl.LOCK_EX)
        except IOError:
            # FIXME: There's possibly a lot of complicated
            # logic that needs to go here in case the IOError
            # is EACCES or EAGAIN.
            return False
        else:
            return True


def Func(arg_0):
    """Convert a basestring to a valid UTF-8 str."""

    if isinstance(arg_0, bytes):
        return arg_0.decode("utf-8", "replace").encode("utf-8")
    elif isinstance(arg_0, text_type):
        return arg_0.encode("utf-8")
    else:
        raise TypeError("only unicode/bytes types can be converted to UTF-8")


def Func(arg_0, arg_1, arg_2):
        """
        Adds a change to this change set.

        :param str action: Must be one of either 'CREATE' or 'DELETE'.
        :param resource_record_set.ResourceRecordSet record_set: The
            ResourceRecordSet object that was created or deleted.
        """

        arg_1 = arg_1.upper()

        if arg_1 not in ['CREATE', 'DELETE']:
            raise Route53Error("action must be one of 'CREATE' or 'DELETE'")

        arg_3 = (arg_1, arg_2)

        if arg_1 == 'CREATE':
            arg_0.creations.append(arg_3)
        else:
            arg_0.deletions.append(arg_3)


def Func(arg_0):
        """
        Determines whether this record set has been modified since the
        last retrieval or save.

        :rtype: bool
        :returns: ``True` if the record set has been modified,
            and ``False`` if not.
        """

        for arg_1, arg_2 in arg_0._initial_vals.items():
            if getattr(arg_0, arg_1) != arg_2:
                # One of the initial values doesn't match, we know
                # this object has been touched.
                return True

        return False


def Func(arg_0):
        """
        Deletes this record set.
        """

        arg_1 = ChangeSet(connection=arg_0.connection, hosted_zone_id=arg_0.zone_id)
        arg_1.add_change('DELETE', arg_0)

        return arg_0.connection._change_resource_record_sets(arg_1)


def Func(arg_0, arg_1=True, arg_2=True):
    """Procesa TCU, CP, FEU diario.

    :param df:
    :param verbose:
    :param convert_kwh:
    :return:
    """
    if 'TCU' + TARIFAS[0] not in arg_0.columns:
        # Pasa de €/MWh a €/kWh:
        if arg_2:
            arg_3 = [c + t for c in COLS_PVPC for t in TARIFAS if c != 'COF']
            arg_0[arg_3] = arg_0[arg_3].applymap(lambda x: x / 1000.)
        # Obtiene columnas TCU, CP, precio día
        arg_4 = arg_0.groupby(lambda x: TARIFAS[np.argmax([t in x for t in TARIFAS])], axis=1)
        for arg_5, arg_6 in arg_4:
            if arg_1:
                print('TARIFA {}'.format(arg_5))
                print(arg_6.head())

            # Cálculo de TCU
            arg_0['TCU{}'.format(arg_5)] = arg_6[arg_5] - arg_6['TEU{}'.format(arg_5)]

            # Cálculo de CP
            # cols_cp = [c + k for c in ['FOS', 'FOM', 'INT', 'PCAP', 'PMH', 'SAH']]
            arg_8 = [c + arg_5 for c in COLS_PVPC if c not in ['', 'COF', 'TEU']]
            arg_0['CP{}'.format(arg_5)] = arg_6[arg_8].sum(axis=1)

            # Cálculo de PERD --> No es posible así, ya que los valores base ya vienen con PERD
            # dfs_pvpc[k]['PERD{}'.format(k)] = dfs_pvpc[k]['TCU{}'.format(k)] / dfs_pvpc[k]['CP{}'.format(k)]
            # dfs_pvpc[k]['PERD{}'.format(k)] = dfs_pvpc[k]['INT{}'.format(k)] / 1.92

            # Cálculo de FEU diario
            arg_9 = ['TEU' + arg_5, 'TCU' + arg_5, 'COF' + arg_5]
            arg_6 = arg_0[arg_9].groupby('TEU' + arg_5)
            arg_10 = arg_6.apply(lambda x: x['TCU' + arg_5].dot(x['COF' + arg_5]) / x['COF' + arg_5].sum())
            arg_10.name = 'PD_' + arg_5
            arg_0 = arg_0.join(arg_10, on='TEU' + arg_5, rsuffix='_r')
            arg_0['PD_' + arg_5] += arg_0['TEU' + arg_5]
    return arg_0


def Func(arg_0):
    """Return an ID3v1.1 tag string from a dict of ID3v2.4 frames."""

    arg_1 = {}

    for arg_2, arg_3 in {"TIT2": "title", "TPE1": "artist",
                       "TALB": "album"}.items():
        if arg_2 in arg_0:
            arg_4 = arg_0[arg_2].text[0].encode('latin1', 'replace')[:30]
        else:
            arg_4 = b''
        arg_1[arg_3] = arg_4 + (b'\x00' * (30 - len(arg_4)))

    if "COMM" in arg_0:
        arg_5 = arg_0["COMM"].text[0].encode('latin1', 'replace')[:28]
    else:
        arg_5 = b''
    arg_1['comment'] = arg_5 + (b'\x00' * (29 - len(arg_5)))

    if "TRCK" in arg_0:
        try:
            arg_1["track"] = chr_(+arg_0["TRCK"])
        except ValueError:
            arg_1["track"] = b'\x00'
    else:
        arg_1["track"] = b'\x00'

    if "TCON" in arg_0:
        try:
            arg_6 = arg_0["TCON"].genres[0]
        except IndexError:
            pass
        else:
            if arg_6 in TCON.GENRES:
                arg_1["genre"] = chr_(TCON.GENRES.index(arg_6))
    if "genre" not in arg_1:
        arg_1["genre"] = b"\xff"

    if "TDRC" in arg_0:
        arg_7 = text_type(arg_0["TDRC"]).encode('latin1', 'replace')
    elif "TYER" in arg_0:
        arg_7 = text_type(arg_0["TYER"]).encode('latin1', 'replace')
    else:
        arg_7 = b''
    arg_1['year'] = (arg_7 + b'\x00\x00\x00\x00')[:4]

    return (b'TAG' +
            arg_1['title'] +
            arg_1['artist'] +
            arg_1['album'] +
            arg_1['year'] +
            arg_1['comment'] +
            arg_1['track'] +
            arg_1['genre'])


def Func(arg_0, arg_1):
        """ Read a certain number of bytes from the source file. """

        try:
            if arg_1 < 0:
                raise ValueError('Requested bytes (%s) less than zero' % arg_1)
            if arg_1 > arg_0.__filesize:
                raise EOFError('Requested %#x of %#x (%s)' % (
                    int(arg_1), int(arg_0.__filesize), arg_0.filename))
        except AttributeError:
            pass
        arg_2 = arg_0._fileobj.read(arg_1)
        if len(arg_2) != arg_1:
            raise EOFError
        arg_0.__readbytes += arg_1
        return arg_2


def Func(arg_0, arg_1):
        """Delete all tags of a given kind; see getall."""
        if arg_1 in arg_0:
            del(arg_0[arg_1])
        else:
            arg_1 = arg_1 + ":"
            for arg_2 in arg_0.keys():
                if arg_2.startswith(arg_1):
                    del(arg_0[arg_2])


def Func(arg_0):
        """Updates done by both v23 and v24 update"""

        if "TCON" in arg_0:
            # Get rid of "(xx)Foobr" format.
            arg_0["TCON"].genres = arg_0["TCON"].genres

        if arg_0.version < arg_0._V23:
            # ID3v2.2 PIC frames are slightly different.
            arg_2 = arg_0.getall("APIC")
            arg_3 = {"PNG": "image/png", "JPG": "image/jpeg"}
            arg_0.delall("APIC")
            for arg_4 in arg_2:
                arg_5 = APIC(
                    encoding=arg_4.encoding, mime=arg_3.get(arg_4.mime, arg_4.mime),
                    type=arg_4.type, desc=arg_4.desc, data=arg_4.data)
                arg_0.add(arg_5)

            # ID3v2.2 LNK frames are just way too different to upgrade.
            arg_0.delall("LINK")


def Func(arg_0):
        '''Release all resources associated with the sound.'''
        if arg_0._handle != -1:
            lib.UnloadSound(arg_0._handle)
            arg_0._handle = -1


def Func(arg_0, arg_1=None, arg_2=None, arg_3=None):
        '''Play the sound as a `one-shot`.

        The sound will be Funced to completion.  If the sound is Funced more than once at a time, it will mix
        with all previous instances of itself.  If you need more control over the Funcback of sounds, see
        :class:`Voice`.

        :param gain: optional volume level to Func the sound back at, between 0.0 and 1.0 (defaults to 1.0)
        :param pan: optional stereo pan, between -1.0 (left) and 1.0 (right)
        :param pitch: optional sampling rate modification, between 0.4 and 16.0, where 1.0 represents the original pitch
        '''
        if arg_1 is None and arg_2 is None and arg_3 is None:
            lib.PlaySound(arg_0._handle)
        else:
            arg_4 = Voice(arg_0)
            if arg_1 is not None:
                arg_4.gain = arg_1
            if arg_2 is not None:
                arg_4.pan = arg_2
            if arg_3 is not None:
                arg_4.pitch = arg_3
            arg_4.Func()


def Func(arg_0, arg_1=-1, arg_2=0):
        '''Set the loop points within the sound.

        The sound must have been created with ``loop=True``.  The default parameters cause the loop points to be set to
        the entire sound duration.

        :note: There is currently no API for converting sample numbers to times.
        :param start_sample: sample number to loop back to
        :param end_sample: sample number to loop at
        '''
        lib.SetVoiceLoopPoints(arg_0._handle, arg_1, arg_2)


def Func(arg_0, arg_1):
        """
        Compress the log message in order to send less bytes to the wire.
        """
        arg_2 = cStringIO.StringIO()

        arg_3 = gzip.GzipFile(fileobj=arg_2, mode='wb')
        arg_3.write(arg_1)
        arg_3.close()

        return arg_2.getvalue()


def Func():
  """return the list of glyph names and their unicode values"""

  arg_0  = string.split( adobe_glyph_list, '\n' )
  arg_1 = []
  arg_2 = []

  for arg_3 in arg_0:
    if arg_3:
      arg_4 = string.split( arg_3, ';' )
#     print fields[1] + ' - ' + fields[0]
      arg_5 = string.split( arg_4[1], ' ' )
      if len( arg_5 ) == 1:
        arg_1.append( arg_4[0] )
        arg_2.append( arg_4[1] )

  return arg_1, arg_2


def Func( arg_0, arg_1, arg_2 ):
  """dumps a given encoding"""

  arg_1( "  static const unsigned char  " + arg_2 +
         "[" + repr( len( arg_0 ) ) + "L] =\n" )
  arg_1( "  {\n" )

  arg_3  = ""
  arg_4 = "    "
  arg_5   = 0

  for arg_6 in arg_0:
    arg_3 += arg_4
    arg_3 += "%3d" % ord( arg_6 )
    arg_4 = ","
    arg_5  += 1

    if arg_5 == 16:
      arg_5   = 0
      arg_4 = ",\n    "

    if len( arg_3 ) > 1024:
      arg_1( arg_3 )
      arg_3 = ""

  arg_1( arg_3 + "\n  };\n\n\n" )


def  Func( arg_0 = None ):
    """builds a list of input files from command-line arguments"""
    arg_1 = []
    # sys.stderr.write( repr( sys.argv[1 :] ) + '\n' )

    if not arg_0:
        arg_0 = sys.argv[1 :]

    for arg_2 in arg_0:
        if string.find( arg_2, '*' ) >= 0:
            arg_3 = glob.glob( arg_2 )
            arg_3.sort()  # sort files -- this is important because
                            # of the order of files
        else:
            arg_3 = [arg_2]

        arg_1.extend( arg_3 )

    if len( arg_1 ) == 0:
        arg_1 = None
    else:
        # now filter the file list to remove non-existing ones
        arg_1 = filter( file_exists, arg_1 )

    return arg_1


def Func(arg_0, arg_1):
    """
    This a common parser that allows the passing of any valid HostedZone
    tag. It will spit out the appropriate HostedZone object for the tag.

    :param lxml.etree._Element e_zone: The root node of the etree parsed
        response from the API.
    :param Route53Connection connection: The connection instance used to
        query the API.
    :rtype: HostedZone
    :returns: An instantiated HostedZone object.
    """

    # This dict will be used to instantiate a HostedZone instance to yield.
    arg_2 = {}
    # Within HostedZone tags are a number of sub-tags that include info
    # about the instance.
    for arg_3 in arg_0:
        # Cheesy way to strip off the namespace.
        arg_4 = arg_3.tag.split('}')[1]
        arg_5 = arg_3.text

        if arg_4 == 'Config':
            # Config has the Comment tag beneath it, needing
            # special handling.
            arg_6 = arg_3.find('./{*}Comment')
            arg_2['comment'] = arg_6.text if arg_6 is not None else None
            continue
        elif arg_4 == 'Id':
            # This comes back with a path prepended. Yank that sillyness.
            arg_5 = arg_5.strip('/hostedzone/')

        # Map the XML tag name to a kwarg name.
        arg_7 = HOSTED_ZONE_TAG_TO_KWARG_MAP[arg_4]
        # This will be the key/val pair used to instantiate the
        # HostedZone instance.
        arg_2[arg_7] = arg_5

    return HostedZone(arg_1, **arg_2)


def Func(arg_0, arg_1):
    """
    Parses a DelegationSet tag. These often accompany HostedZone tags in
    responses like CreateHostedZone and GetHostedZone.

    :param HostedZone zone: An existing HostedZone instance to populate.
    :param lxml.etree._Element e_delegation_set: A DelegationSet element.
    """

    arg_2 = arg_1.find('./{*}NameServers')

    arg_3 = []
    for arg_4 in arg_2:
        arg_3.append(arg_4.text)

    arg_0._nameservers = arg_3


def Func(arg_0):
        """Consolidate FLAC padding metadata blocks.

        The overall size of the rendered blocks does not change, so
        this adds several bytes of padding for each merged block.
        """

        arg_1 = [b for b in arg_0 if isinstance(b, Padding)]
        for arg_2 in arg_1:
            arg_0.remove(arg_2)
        # total padding size is the sum of padding sizes plus 4 bytes
        # per removed header.
        arg_3 = sum(arg_4.length for arg_4 in arg_1)
        arg_4 = Padding()
        arg_4.length = arg_3 + 4 * (len(arg_1) - 1)
        arg_0.append(arg_4)


def Func(arg_0, arg_1=None):
        """Remove Vorbis comments from a file.

        If no filename is given, the one most recently loaded is used.
        """
        if arg_1 is None:
            arg_1 = arg_0.filename
        for arg_2 in list(arg_0.metadata_blocks):
            if isinstance(arg_2, VCFLACDict):
                arg_0.metadata_blocks.remove(arg_2)
                arg_0.tags = None
                arg_0.save()
                break


def Func(arg_0, arg_1=None, arg_2=False):
        """Save metadata blocks to a file.

        If no filename is given, the one most recently loaded is used.
        """

        if arg_1 is None:
            arg_1 = arg_0.filename
        arg_3 = open(arg_1, 'rb+')

        try:
            # Ensure we've got padding at the end, and only at the end.
            # If adding makes it too large, we'll scale it down later.
            arg_0.metadata_blocks.append(Padding(b'\x00' * 1020))
            MetadataBlock.group_padding(arg_0.metadata_blocks)

            arg_4 = arg_0.__check_header(arg_3)
            # "fLaC" and maybe ID3
            arg_5 = arg_0.__find_audio_offset(arg_3) - arg_4
            arg_6 = MetadataBlock.writeblocks(arg_0.metadata_blocks)

            # Delete ID3v2
            if arg_2 and arg_4 > 4:
                arg_5 += arg_4 - 4
                arg_4 = 4

            if len(arg_6) > arg_5:
                # If we have too much data, see if we can reduce padding.
                arg_7 = arg_0.metadata_blocks[-1]
                arg_8 = arg_7.length - (len(arg_6) - arg_5)
                if arg_8 > 0:
                    arg_7.length = arg_8
                    arg_6 = MetadataBlock.writeblocks(arg_0.metadata_blocks)
                    assert len(arg_6) == arg_5

            elif len(arg_6) < arg_5:
                # If we have too little data, increase padding.
                arg_0.metadata_blocks[-1].length += (arg_5 - len(arg_6))
                arg_6 = MetadataBlock.writeblocks(arg_0.metadata_blocks)
                assert len(arg_6) == arg_5

            if len(arg_6) != arg_5:
                # We couldn't reduce the padding enough.
                arg_10 = (len(arg_6) - arg_5)
                insert_bytes(arg_3, arg_10, arg_4)

            arg_3.seek(arg_4 - 4)
            arg_3.write(b"fLaC" + arg_6)

            # Delete ID3v1
            if arg_2:
                try:
                    arg_3.seek(-128, 2)
                except IOError:
                    pass
                else:
                    if arg_3.read(3) == b"TAG":
                        arg_3.seek(-128, 2)
                        arg_3.truncate()
        finally:
            arg_3.close()


def Func(arg_0):
    """
    Parses an Alias tag beneath a ResourceRecordSet, spitting out the two values
    found within. This is specific to A records that are set to Alias.

    :param lxml.etree._Element e_alias: An Alias tag beneath a ResourceRecordSet.
    :rtype: tuple
    :returns: A tuple in the form of ``(alias_hosted_zone_id, alias_dns_name)``.
    """

    arg_1 = arg_0.find('./{*}HostedZoneId').text
    arg_2 = arg_0.find('./{*}DNSName').text
    return arg_1, arg_2


def Func(arg_0):
    """
    Used to parse the various Values from the ResourceRecords tags on
    most rrset types.

    :param lxml.etree._Element e_resource_records: A ResourceRecords tag
        beneath a ResourceRecordSet.
    :rtype: list
    :returns: A list of resource record strings.
    """

    arg_1 = []

    for arg_2 in arg_0:
        for arg_3 in arg_2:
            arg_1.append(arg_3.text)

    return arg_1


def Func(arg_0, arg_1, arg_2):
    """
    This a parser that allows the passing of any valid ResourceRecordSet
    tag. It will spit out the appropriate ResourceRecordSet object for the tag.

    :param lxml.etree._Element e_rrset: The root node of the etree parsed
        response from the API.
    :param Route53Connection connection: The connection instance used to
        query the API.
    :param str zone_id: The zone ID of the HostedZone these rrsets belong to.
    :rtype: ResourceRecordSet
    :returns: An instantiated ResourceRecordSet object.
    """

    # This dict will be used to instantiate a ResourceRecordSet instance to yield.
    arg_3 = {
        'connection': arg_1,
        'zone_id': arg_2,
    }
    arg_4 = None

    for arg_5 in arg_0:
        # Cheesy way to strip off the namespace.
        arg_6 = arg_5.tag.split('}')[1]
        arg_7 = arg_5.text

        if arg_6 == 'Type':
            # Need to store this to determine which ResourceRecordSet
            # subclass to instantiate.
            arg_4 = arg_7
            continue
        elif arg_6 == 'AliasTarget':
            # A records have some special field values we need.
            arg_8, arg_9 = Func_alias(arg_5)
            arg_3['alias_hosted_zone_id'] = arg_8
            arg_3['alias_dns_name'] = arg_9
            # Alias A entries have no TTL.
            arg_3['ttl'] = None
            continue
        elif arg_6 == 'ResourceRecords':
            arg_3['records'] = Func_record_values(arg_5)
            continue

        # Map the XML tag name to a kwarg name.
        arg_10 = RRSET_TAG_TO_KWARG_MAP[arg_6]
        # This will be the key/val pair used to instantiate the
        # ResourceRecordSet instance.
        arg_3[arg_10] = arg_7

    if not arg_4:
        raise Route53Error("No Type tag found in ListResourceRecordSetsResponse.")

    if 'records' not in arg_3:
        # Not all rrsets have records.
        arg_3['records'] = []

    arg_11 = RRSET_TYPE_TO_RSET_SUBCLASS_MAP[arg_4]
    return arg_11(**arg_3)


def Func(arg_0, arg_1):
        """
        Internal bookkeeping to handle nested classes
        """
        # Class itself added to "good" list
        arg_0._valid_classes.append(arg_1)
        # Recurse into any inner classes
        for arg_2, arg_3 in class_members(arg_1):
            if arg_0.isValidClass(arg_3):
                arg_0.Func(arg_3)


def Func(arg_0, arg_1):
        """
        Needs to be its own method so it can be called from both wantClass and
        registerGoodClass.
        """
        arg_2 = inspect.getmodule(arg_1)
        arg_3 = (
            arg_2 in arg_0._valid_modules
            or (
                hasattr(arg_2, '__file__')
                and arg_2.__file__ in arg_0._valid_named_modules
            )
        )
        return arg_3 and not private(arg_1)


def Func(arg_0, arg_1, arg_2, arg_3, arg_4=60, arg_5=None,
                    arg_6=None,arg_7=None, arg_8=None,
                    arg_9=None):
        """
        Convenience method for creating ResourceRecordSets. Most of the calls
        are basically the same, this saves on repetition.

        :rtype: tuple
        :returns: A tuple in the form of ``(rrset, change_info)``, where
            ``rrset`` is the newly created ResourceRecordSet sub-class
             instance.
        """

        arg_0._halt_if_already_deleted()

        arg_10 = dict(
            connection=arg_0.connection,
            zone_id=arg_0.id,
            arg_2=arg_2,
            arg_4=arg_4,
            records=arg_3,
            arg_5=arg_5,
            arg_6=arg_6,
            arg_7=arg_7,
            )

        if arg_8 or arg_9:
            arg_10.update(dict(
                arg_8=arg_8,
                arg_9=arg_9
            ))

        arg_11 = arg_1(**arg_10)

        arg_12 = ChangeSet(connection=arg_0.connection, hosted_zone_id=arg_0.id)
        arg_12.add_change('CREATE', arg_11)

        arg_13 = arg_0.connection._change_resource_record_sets(arg_12)

        return arg_11, arg_13


def Func(arg_0, arg_1, arg_2, arg_3=60, arg_4=None, arg_5=None,
                     arg_6=None, arg_7=None,
                     arg_8=None):
        """
        Creates and returns an A record attached to this hosted zone.

        :param str name: The fully qualified name of the record to add.
        :param list values: A list of value strings for the record.
        :keyword int ttl: The time-to-live of the record (in seconds).
        :keyword int weight: *For weighted record sets only*. Among resource record
            sets that have the same combination of DNS name and type, a value
            that determines what portion of traffic for the current resource
            record set is routed to the associated location. Ranges from 0-255.
        :keyword str region: *For latency-based record sets*. The Amazon EC2 region
            where the resource that is specified in this resource record set
            resides.
        :keyword str set_identifier: *For weighted and latency resource record
            sets only*. An identifier that differentiates among multiple
            resource record sets that have the same combination of DNS name
            and type. 1-128 chars.
        :keyword str alias_hosted_zone_id: Alias A records have this specified.
            It appears to be the hosted zone ID for the ELB the Alias points at.
        :keyword str alias_dns_name: Alias A records have this specified. It is
            the DNS name for the ELB that the Alias points to.
        :rtype: tuple
        :returns: A tuple in the form of ``(rrset, change_info)``, where
            ``rrset`` is the newly created
            :py:class:`AResourceRecordSet <route53.resource_record_set.AResourceRecordSet>`
            instance.
        """

        arg_0._halt_if_already_deleted()

        # Grab the params/kwargs here for brevity's sake.
        arg_2 = locals()
        del arg_2['self']

        return arg_0._add_record(AResourceRecordSet, **arg_2)


def Func(arg_0, arg_1, arg_2, arg_3=60, arg_4=None, arg_5=None,
                           arg_6=None):
        """
        Creates a CNAME record attached to this hosted zone.

        :param str name: The fully qualified name of the record to add.
        :param list values: A list of value strings for the record.
        :keyword int ttl: The time-to-live of the record (in seconds).
        :keyword int weight: *For weighted record sets only*. Among resource record
            sets that have the same combination of DNS name and type, a value
            that determines what portion of traffic for the current resource
            record set is routed to the associated location. Ranges from 0-255.
        :keyword str region: *For latency-based record sets*. The Amazon EC2 region
            where the resource that is specified in this resource record set
            resides.
        :keyword str set_identifier: *For weighted and latency resource record
            sets only*. An identifier that differentiates among multiple
            resource record sets that have the same combination of DNS name
            and type. 1-128 chars.
        :rtype: tuple
        :returns: A tuple in the form of ``(rrset, change_info)``, where
            ``rrset`` is the newly created CNAMEResourceRecordSet instance.
        """

        arg_0._halt_if_already_deleted()

        # Grab the params/kwargs here for brevity's sake.
        arg_2 = locals()
        del arg_2['self']

        return arg_0._add_record(CNAMEResourceRecordSet, **arg_2)


def Func(arg_0, arg_1, arg_2, arg_3=60):
        """
        Creates a MX record attached to this hosted zone.

        :param str name: The fully qualified name of the record to add.
        :param list values: A list of value strings for the record.
        :keyword int ttl: The time-to-live of the record (in seconds).
        :rtype: tuple
        :returns: A tuple in the form of ``(rrset, change_info)``, where
            ``rrset`` is the newly created MXResourceRecordSet instance.
        """

        arg_0._halt_if_already_deleted()

        # Grab the params/kwargs here for brevity's sake.
        arg_2 = locals()
        del arg_2['self']

        return arg_0._add_record(MXResourceRecordSet, **arg_2)


def Func(arg_0, arg_1, arg_2, arg_3=60):
        """
        Creates a NS record attached to this hosted zone.

        :param str name: The fully qualified name of the record to add.
        :param list values: A list of value strings for the record.
        :keyword int ttl: The time-to-live of the record (in seconds).
        :rtype: tuple
        :returns: A tuple in the form of ``(rrset, change_info)``, where
            ``rrset`` is the newly created NSResourceRecordSet instance.
        """

        arg_0._halt_if_already_deleted()

        # Grab the params/kwargs here for brevity's sake.
        arg_2 = locals()
        del arg_2['self']

        return arg_0._add_record(NSResourceRecordSet, **arg_2)


def Func(arg_0, arg_1, arg_2, arg_3=60):
        """
        Creates a SPF record attached to this hosted zone.

        :param str name: The fully qualified name of the record to add.
        :param list values: A list of value strings for the record.
        :keyword int ttl: The time-to-live of the record (in seconds).
        :rtype: tuple
        :returns: A tuple in the form of ``(rrset, change_info)``, where
            ``rrset`` is the newly created SPFResourceRecordSet instance.
        """

        arg_0._halt_if_already_deleted()

        # Grab the params/kwargs here for brevity's sake.
        arg_2 = locals()
        del arg_2['self']

        return arg_0._add_record(SPFResourceRecordSet, **arg_2)


def Func(arg_0, arg_1, arg_2, arg_3=60, arg_4=None, arg_5=None,
                          arg_6=None):
        """
        Creates a TXT record attached to this hosted zone.

        :param str name: The fully qualified name of the record to add.
        :param list values: A list of value strings for the record.
        :keyword int ttl: The time-to-live of the record (in seconds).
        :keyword int weight: *For weighted record sets only*. Among resource record
            sets that have the same combination of DNS name and type, a value
            that determines what portion of traffic for the current resource
            record set is routed to the associated location. Ranges from 0-255.
        :keyword str region: *For latency-based record sets*. The Amazon EC2 region
            where the resource that is specified in this resource record set
            resides.
        :keyword str set_identifier: *For weighted and latency resource record
            sets only*. An identifier that differentiates among multiple
            resource record sets that have the same combination of DNS name
            and type. 1-128 chars.
        :rtype: tuple
        :returns: A tuple in the form of ``(rrset, change_info)``, where
            ``rrset`` is the newly created TXTResourceRecordSet instance.
        """

        arg_0._halt_if_already_deleted()

        # Grab the params/kwargs here for brevity's sake.
        arg_2 = locals()
        del arg_2['self']

        return arg_0._add_record(TXTResourceRecordSet, **arg_2)


def Func(arg_0, arg_1, arg_2):
        """Register a user-defined text frame key.

        Some ID3 tags are stored in TXXX frames, which allow a
        freeform 'description' which acts as a subkey,
        e.g. TXXX:BARCODE.::

            EasyID3.Func('barcode', 'BARCODE').
        """
        arg_3 = "TXXX:" + arg_2

        def getter(arg_4, arg_1):
            return list(arg_4[arg_3])

        def setter(arg_4, arg_1, arg_5):
            try:
                arg_6 = arg_4[arg_3]
            except KeyError:
                arg_7 = 0
                # Store 8859-1 if we can, per MusicBrainz spec.
                try:
                    for arg_8 in arg_5:
                        arg_8.encode('latin_1')
                except UnicodeError:
                    arg_7 = 3

                arg_4.add(mutagen.id3.TXXX(encoding=arg_7, arg_9=arg_5, arg_2=arg_2))
            else:
                arg_6.text = arg_5

        def deleter(arg_4, arg_1):
            del(arg_4[arg_3])

        arg_0.RegisterKey(arg_1, getter, setter, deleter)


def Func(arg_0):
    """
    Creates an XML element for the change.

    :param tuple change: A change tuple from a ChangeSet. Comes in the form
        of ``(action, rrset)``.
    :rtype: lxml.etree._Element
    :returns: A fully baked Change tag.
    """

    arg_1, arg_2 = arg_0

    arg_3 = get_change_values(arg_0)

    arg_4 = etree.Element("Change")

    arg_5 = etree.SubElement(arg_4, "Action")
    arg_5.text = arg_1

    arg_7 = etree.SubElement(arg_4, "ResourceRecordSet")

    arg_8 = etree.SubElement(arg_7, "Name")
    arg_8.text = arg_3['name']

    arg_9 = etree.SubElement(arg_7, "Type")
    arg_9.text = arg_2.rrset_type

    if arg_3.get('set_identifier'):
        arg_10 = etree.SubElement(arg_7, "SetIdentifier")
        arg_10.text = arg_3['set_identifier']

    if arg_3.get('weight'):
        arg_11 = etree.SubElement(arg_7, "Weight")
        arg_11.text = arg_3['weight']

    if arg_3.get('alias_hosted_zone_id') or arg_3.get('alias_dns_name'):
        arg_12 = etree.SubElement(arg_7, "AliasTarget")

        arg_13 = etree.SubElement(arg_12, "HostedZoneId")
        arg_13.text = arg_3['alias_hosted_zone_id']
        arg_14 = etree.SubElement(arg_12, "DNSName")
        arg_14.text = arg_3['alias_dns_name']

    if arg_3.get('region'):
        arg_11 = etree.SubElement(arg_7, "Region")
        arg_11.text = arg_3['region']

    arg_15 = etree.SubElement(arg_7, "TTL")
    arg_15.text = str(arg_3['ttl'])

    if arg_2.is_alias_record_set():
        # A record sets in Alias mode don't have any resource records.
        return arg_4

    arg_16 = etree.SubElement(arg_7, "ResourceRecords")

    for arg_17 in arg_3['records']:
        arg_18 = etree.SubElement(arg_16, "ResourceRecord")
        arg_19 = etree.SubElement(arg_18, "Value")
        arg_19.text = arg_17

    return arg_4


def Func(arg_0, arg_1, arg_2=None):
    """
    Forms an XML string that we'll send to Route53 in order to change
    record sets.

    :param Route53Connection connection: The connection instance used to
        query the API.
    :param change_set.ChangeSet change_set: The ChangeSet object to create the
        XML doc from.
    :keyword str comment: An optional comment to go along with the request.
    """

    arg_3 = etree.Element(
        "ChangeResourceRecordSetsRequest",
        xmlns=arg_0._xml_namespace
    )

    arg_4 = etree.SubElement(arg_3, "ChangeBatch")

    if arg_2:
        arg_5 = etree.SubElement(arg_4, "Comment")
        arg_5.text = arg_2

    arg_7 = etree.SubElement(arg_4, "Changes")

    # Deletions need to come first in the change sets.
    for arg_8 in arg_1.deletions + arg_1.creations:
        arg_7.append(write_change(arg_8))

    arg_9 = etree.ElementTree(element=arg_3)

    #print(prettyprint_xml(e_root))

    arg_10 = BytesIO()
    # This writes bytes.
    arg_9.write(arg_10, xml_declaration=True, encoding='utf-8', method="xml")
    return arg_10.getvalue().decode('utf-8')


def Func():
    """Initiate log file."""
    arg_0 = dt.fromtimestamp(time.time()).strftime('%Y%m%d_%H%M')
    arg_1 = os.path.join(os.path.expanduser("~") + "/nanoGUI_" + arg_0 + ".log")
    arg_2 = [logging.FileHandler(arg_1)]
    logging.basicConfig(
        format='%(asctime)s %(message)s',
        arg_2=arg_2,
        level=logging.INFO)
    logging.info('NanoGUI {} started with NanoPlot {}'.format(__version__, nanoplot.__version__))
    logging.info('Python version is: {}'.format(sys.version.replace('\n', ' ')))
    return arg_1


def Func(arg_0, arg_1):
        """Gets an item by its alias."""
        arg_2 = arg_0.alias[arg_1]
        return arg_0.items[arg_2]


def Func(arg_0):
    """Joins the map structure into HTML attributes.

    The return value is a 2-tuple ``(template, ordered_values)``. It should be
    passed into :class:`markupsafe.Markup` to prevent XSS attacked.

    e.g.::

        >>> Func({'href': '/', 'data-active': 'true'})
        ('data-active="{0}" href="{1}"', ['true', '/'])
    """
    arg_0 = collections.OrderedDict(freeze_dict(arg_0 or {}))
    arg_1 = ' '.join('%s="{%d}"' % (k, i) for i, k in enumerate(arg_0))
    return arg_1, list(arg_0.values())


def Func(arg_0, arg_1):
        """Initializes an app to work with this extension.

        The app-context signals will be subscribed and the template context
        will be initialized.

        :param app: the :class:`flask.Flask` app instance.
        """
        # connects app-level signals
        appcontext_pushed.connect(arg_0.initialize_bars, arg_1)
        # integrate with jinja template
        arg_1.add_template_global(arg_0, 'nav')


def Func(arg_0, arg_1=None, **arg_2):
        """Calls the initializers of all bound navigation bars."""
        for arg_3 in arg_0.bars.values():
            for arg_4 in arg_3.initializers:
                arg_4(arg_0)


def Func(arg_0, arg_1=None, **arg_2):
        """Binds a navigation bar into this extension instance."""
        arg_3 = arg_2.pop('bar')
        arg_0.bars[arg_3.name] = arg_3


def Func(arg_0):
        """The arguments which will be passed to ``url_for``.

        :type: :class:`dict`
        """
        if arg_0._Func is None:
            return {}
        if callable(arg_0._Func):
            return dict(arg_0._Func())
        return dict(arg_0._Func)


def Func(arg_0):
        """The final Func of this navigation item.

        By default, the value is generated by the :attr:`self.endpoint` and
        :attr:`self.args`.

        .. note::

           The :attr:`Func` property require the app context without a provided
           config value :const:`SERVER_NAME`, because of :func:`flask.Func_for`.

        :type: :class:`str`
        """
        if arg_0.is_internal:
            return Func_for(arg_0.endpoint, **arg_0.args)
        return arg_0._Func


def Func(arg_0):
        """``True`` if current request has same endpoint with the item.

        The property should be used in a bound request context, or the
        :class:`RuntimeError` may be raised.
        """
        if not arg_0.is_internal:
            return False  # always false for external url
        arg_1 = (request.endpoint == arg_0.endpoint)
        arg_2 = (request.view_args == arg_0.args)
        return arg_1 and arg_2


def Func(arg_0):
    """
    Fetches a statistics based on the given class name. Does a look-up
    in the gadgets' registered statistics to find the specified one.
    """

    if arg_0 == 'ALL':
        return get_statistic_models()

    for arg_1 in get_statistic_models():
        if arg_1.__name__ == arg_0:
            return arg_1

    raise Exception, _("%(stat)s cannot be found.") % {'stat': arg_0}


def Func(arg_0, arg_1):
    """
    Calculates all of the metrics associated with the registered gadgets.
    """
    arg_2 = ensure_list(arg_0)
    arg_1 = ensure_list(arg_1)

    for arg_0 in arg_2:
        for arg_3 in arg_1:
            print "Calculating %s (%s)..." % (arg_0.__name__, settings.STATISTIC_FREQUENCY_DICT[arg_3])
            arg_0.calculate(arg_3)


def Func(arg_0, arg_1):
    """
    Returns a CSV dump of all of the specified metric's counts
    and cumulative counts.
    """

    arg_2 = Metric.objects.get(arg_1=arg_1)
    arg_3 = arg_0.GET.get('frequency', settings.STATISTIC_FREQUENCY_DAILY)

    arg_4 = HttpResponse(mimetype='text/csv')
    arg_4['Content-Disposition'] = 'attachment; filename=%s%s.csv' % (arg_1, datetime.datetime.now().strftime("%Y%m%d-%H%M"))

    arg_5 = csv.writer(arg_4)
    arg_5.writerow([_('Date/time'), _('Count'), _('Cumulative count')])
    for arg_6 in arg_2.statistics.filter(arg_3=arg_3).order_by('date_time'):
        arg_5.writerow([arg_6.date_time.strftime(settings.CSV_DATETIME_FORMAT), arg_6.count, arg_6.cumulative_count])

    return arg_4


def Func(arg_0, *arg_1, **arg_2):
        """
        Command Funcr for the "metrics" command.
        """

        arg_3 = arg_2['frequency']
        arg_4 = settings.STATISTIC_FREQUENCY_ALL if arg_3 == 'a' else (arg_3.split(',') if ',' in arg_3 else [arg_3])

        if arg_2['list']:
            maintenance.list_statistics()

        # if we're supposed to calculate the latest statistics
        elif arg_2['calculate']:
            maintenance.calculate_statistics(maintenance.get_statistic_by_name(arg_2['calculate']), arg_4)

        # pure reset of statistic(s)
        elif arg_2['reset']:
            maintenance.reset_statistics(maintenance.get_statistic_by_name(arg_2['reset']), arg_4, arg_2['reset_cumulative'])

        # recalculation of statistic(s)
        elif arg_2['recalculate']:
            maintenance.reset_statistics(maintenance.get_statistic_by_name(arg_2['recalculate']), arg_4, arg_2['reset_cumulative'], True)


def Func(arg_0, arg_1, arg_2=True):
    """
    Tries to extract a boolean variable from the specified request.
    """

    arg_3 = arg_0.GET.get(arg_1, arg_2)
    if isinstance(arg_3, str) or isinstance(arg_3, unicode):
        arg_3 = True if arg_3[0] == 't' else False

    return arg_3


def Func(arg_0, arg_1=None, arg_2=0, arg_3=True,
    arg_4=arg_5.STATISTIC_FREQUENCY_DAILY, arg_7=0, arg_8=100,
    arg_9='standard', arg_10='show', arg_11=False):
    """
    Returns the default GET parameters for a particular Geckoboard
    view request.
    """

    return {
        'days_back'  : int(arg_0.GET.get('daysback', arg_2)),
        'uid'        : arg_0.GET.get('uid', arg_1),
        'uids'       : get_GET_array(arg_0, 'uids[]'),
        'cumulative' : get_GET_bool(arg_0, 'cumulative', arg_3),
        'frequency'  : arg_0.GET.get('frequency', arg_4),
        'min'        : arg_0.GET.get('min', arg_7),
        'max'        : arg_0.GET.get('max', arg_8),
        'type'       : arg_0.GET.get('type', arg_9),
        'percentage' : arg_0.GET.get('percentage', arg_10),
        'sort'       : get_GET_bool(arg_0, 'sort', arg_11),
    }


def Func(arg_0):
    """
    Searches the GET variables for metric UIDs, and displays
    them in a RAG widget.
    """

    arg_1 = get_gecko_params(arg_0)
    print arg_1['uids']
    arg_2 = datetime.now()-timedelta(days=arg_1['days_back'])

    arg_3 = Metric.objects.filter(uid__in=arg_1['uids'])
    arg_4 = [(metric.latest_count(frequency=arg_1['frequency'], count=not arg_1['cumulative'],
        cumulative=arg_1['cumulative'], arg_2=arg_2), metric.title) for metric in arg_3]

    return tuple(arg_4)


def Func(arg_0):
    """
    Returns the data for a line chart for the specified metric.
    """

    arg_1 = get_gecko_params(arg_0, cumulative=False, days_back=7)
    arg_2 = Metric.objects.get(uid=arg_1['uid'])

    arg_3 = datetime.now()-timedelta(days=arg_1['days_back'])
    arg_4 = [arg_7 for arg_7 in arg_2.statistics.filter(frequency=arg_1['frequency'],
        date_time__gte=arg_3).order_by('date_time')]

    if len(arg_4) == 0:
        raise Exception, _("No statistics for metric %(metric)s.") % {'metric': arg_1['uid']}

    arg_5 = [arg_4[0].date_time]

    # get up to 3 dates from the stats
    if len(arg_4) >= 3:
        arg_6 = len(arg_4)/2
        if not arg_6:
            arg_6 = 1
        arg_5.extend([arg_4[arg_6].date_time, arg_4[-1].date_time])
    elif len(arg_4) == 2:
        arg_5.extend([arg_4[-1].date_time])

    return (
        [arg_7.count for arg_7 in arg_4],
        arg_5,
        arg_2.title,
    )


def Func(arg_0):
    """
    Returns a Geck-o-Meter control for the specified metric.
    """

    arg_1 = get_gecko_params(arg_0, cumulative=True)
    arg_2 = Metric.objects.get(uid=arg_1['uid'])

    return (arg_2.latest_count(frequency=arg_1['frequency'], count=not arg_1['cumulative'],
        cumulative=arg_1['cumulative']), arg_1['min'], arg_1['max'])


def Func(arg_0, arg_1=arg_2.STATISTIC_FREQUENCY_DAILY):
    """
    Returns a funnel chart for the metrics specified in the GET variables.
    """

    # get all the parameters for this function
    arg_4 = get_gecko_params(arg_0, cumulative=True)
    arg_5 = Metric.objects.filter(uid__in=arg_4['uids'])
    arg_6 = [(metric.latest_count(arg_1=arg_4['frequency'], count=not arg_4['cumulative'],
        cumulative=arg_4['cumulative']), metric.title) for metric in arg_5]

    return {
        'items'     : arg_6,
        'type'      : arg_4['type'],
        'percentage': arg_4['percentage'],
        'sort'      : arg_4['sort'],
    }


def Func(arg_0):
        """
        Returns all of the active statistics for the gadgets currently registered.
        """
        arg_1 = []
        for arg_2 in arg_0._registry.values():
            for arg_3 in arg_2.stats:
                if arg_3 not in arg_1:
                    arg_1.append(arg_3)
        return arg_1


def Func(arg_0, arg_1):
        """
        Registers a gadget object.
        If a gadget is already Funced, this will raise AlreadyRegistered.
        """
        if arg_1 in arg_0._registry:
            raise AlreadyRegistered
        else:
            arg_0._registry.append(arg_1)


def Func(arg_0):
    """Performs sanitation of the path after validating

    :param path: path to sanitize
    :return: path
    :raises:
        - InvalidPath if the path doesn't start with a slash
    """

    if arg_0 == '/':  # Nothing to do, just return
        return arg_0

    if arg_0[:1] != '/':
        raise InvalidPath('The path must start with a slash')

    # Deduplicate slashes in path
    arg_0 = re.sub(r'/+', '/', arg_0)

    # Strip trailing slashes and return
    return arg_0.rstrip('/')


def Func(arg_0):
    """Ensures the passed schema instance is compatible

    :param obj: object to validate
    :return: obj
    :raises:
        - IncompatibleSchema if the passed schema is of an incompatible type
    """

    if arg_0 is not None and not isinstance(arg_0, Schema):
        raise IncompatibleSchema('Schema must be of type {0}'.format(Schema))

    return arg_0


def Func(arg_0, arg_1, arg_2=''):
        """Attaches a flask.Blueprint to the bundle

        :param bp: :class:`flask.Blueprint` object
        :param description: Optional description string
        :raises:
            - InvalidBlueprint if the Blueprint is not of type `flask.Blueprint`
        """

        if not isinstance(arg_1, Blueprint):
            raise InvalidBlueprint('Blueprints attached to the bundle must be of type {0}'.format(Blueprint))

        arg_0.blueprints.append((arg_1, arg_2))


def Func(arg_0):
        """Returns the DottedRule that results from moving the dot."""
        return arg_0.__class__(arg_0.production, arg_0.pos + 1, arg_0.lookahead)


def Func(arg_0, arg_1):
        """Computes the intermediate FIRST set using symbols."""
        arg_2 = set()

        if EPSILON in arg_1:
            return set([EPSILON])

        for arg_3 in arg_1:
            arg_2 |= arg_0._Func[arg_3] - set([EPSILON])
            if EPSILON not in arg_0._Func[arg_3]:
                break
        else:
            arg_2.add(EPSILON)

        return arg_2


def Func(arg_0):
        """Computes the initial closure using the START_foo production."""
        arg_1 = DottedRule(arg_0.start, 0, END_OF_INPUT)
        return arg_0.closure([arg_1])


def Func(arg_0, arg_1):
        """Fills out the entire closure based on some initial dotted rules.

        Args:
            rules - an iterable of DottedRules

        Returns: frozenset of DottedRules

        """
        Func = set()

        arg_3 = set(arg_1)
        while arg_3:
            arg_4 = arg_3.pop()
            Func.add(arg_4)

            # If the dot is at the end, there's no need to process it.
            if arg_4.at_end:
                continue

            arg_5 = arg_4.rhs[arg_4.pos]
            for arg_6 in arg_0.nonterminals[arg_5]:
                for arg_7 in arg_0.first(arg_4.rest):
                    if EPSILON in arg_6.rhs:
                        # Move immediately to the end if the production
                        # goes to epsilon
                        arg_8 = DottedRule(arg_6, 1, arg_7)
                    else:
                        arg_8 = DottedRule(arg_6, 0, arg_7)

                    if arg_8 not in Func:
                        arg_3.add(arg_8)

        return frozenset(Func)


def Func(arg_0, arg_1):
        """Initializes Journey extension

        :param app: App passed from constructor or directly to Func
        :raises:
            - NoBundlesAttached if no bundles has been attached attached

        """

        if len(arg_0._attached_bundles) == 0:
            raise NoBundlesAttached("At least one bundle must be attached before initializing Journey")

        for arg_2 in arg_0._attached_bundles:
            arg_3 = {
                'path': arg_2.path,
                'description': arg_2.description,
                'blueprints': []
            }

            for (arg_4, arg_5) in arg_2.blueprints:
                # Register the BP
                arg_6 = arg_0._register_blueprint(arg_1, arg_4, arg_2.path,
                                                     arg_0.get_bp_path(arg_4), arg_5)

                # Finally, attach the blueprints to its parent
                arg_3['blueprints'].append(arg_6)

            arg_0._registered_bundles.append(arg_3)


def Func(arg_0):
        """Returns simple info about registered blueprints

        :return: Tuple containing endpoint, path and allowed methods for each route
        """

        arg_1 = []

        for arg_2 in arg_0._registered_bundles:
            arg_3 = arg_2['path']
            for arg_4 in arg_2['blueprints']:
                arg_5 = arg_4['path']
                for arg_6 in arg_4['routes']:
                    arg_1.append(
                        (
                            arg_6['endpoint'],
                            arg_3 + arg_5 + arg_6['path'],
                            arg_6['methods']
                        )
                    )

        return arg_1


def Func(arg_0, arg_1, arg_2, arg_3, arg_4, arg_5):
        """Register and return info about the registered blueprint

        :param bp: :class:`flask.Blueprint` object
        :param bundle_path: the URL prefix of the bundle
        :param child_path: blueprint relative to the bundle path
        :return: Dict with info about the blueprint
        """

        arg_6 = sanitize_path(arg_0._journey_path + arg_3 + arg_4)

        arg_1.register_blueprint(arg_2, url_prefix=arg_6)

        return {
            'name': arg_2.name,
            'path': arg_4,
            'import_name': arg_2.import_name,
            'description': arg_5,
            'routes': arg_0.get_blueprint_routes(arg_1, arg_6)
        }


def Func(arg_0, arg_1):
        """Returns detailed information about registered blueprint routes matching the `BlueprintBundle` path

        :param app: App instance to obtain rules from
        :param base_path: Base path to return detailed route info for
        :return: List of route detail dicts
        """

        arg_2 = []

        for arg_3 in arg_0.url_map.iter_rules():
            if arg_3.rule.startswith(arg_1):
                arg_4 = arg_3.rule[len(arg_1):]
                arg_2.append({
                    'path': arg_4,
                    'endpoint': arg_3.endpoint,
                    'methods': list(arg_3.methods)
                })

        return arg_2


def Func(arg_0, arg_1, arg_2):
        """Computes the precedence of terminal and production.

        The precedence of a terminal is it's level in the PRECEDENCE tuple. For
        a production, the precedence is the right-most terminal (if it exists).
        The default precedence is DEFAULT_PREC - (LEFT, 0).

        Returns:
            precedence - dict[terminal | production] = (assoc, level)

        """
        arg_3 = collections.OrderedDict()

        for arg_4 in arg_0:
            arg_3[arg_4] = DEFAULT_PREC

        arg_5 = range(len(arg_2), 0, -1)
        for arg_6, arg_7 in zip(arg_5, arg_2):
            arg_8 = arg_7[0]
            for arg_9 in arg_7[1:]:
                arg_3[arg_9] = (arg_8, arg_6)

        for arg_10, arg_11 in arg_1:
            if arg_11 is None:
                arg_12 = [arg_9 for arg_9 in arg_10.rhs
                                  if arg_9 in arg_0] or [None]
                arg_3[arg_10] = arg_3.get(arg_12[-1],
                                                        DEFAULT_PREC)
            else:
                arg_3[arg_10] = arg_3.get(arg_11,
                                                        DEFAULT_PREC)

        return arg_3


def Func(arg_0, arg_1):
        """Generates the ACTION and GOTO tables for the grammar.

        Returns:
            action - dict[state][lookahead] = (action, ...)
            goto - dict[state][just_reduced] = new_state

        """
        arg_2 = {}
        arg_3 = {}

        arg_4 = {}

        def get_label(arg_5):
            if arg_5 not in arg_4:
                arg_4[arg_5] = len(arg_4)
            return arg_4[arg_5]

        def resolve_shift_reduce(arg_6, arg_7, arg_8):
            arg_9, arg_10 = arg_1[arg_6]
            arg_11, arg_12 = arg_1[arg_8[1]]

            if arg_10 < arg_12:
                return arg_8
            elif arg_10 == arg_12 and arg_11 == LEFT:
                return arg_8
            else:
                return arg_7

        arg_13, arg_14, arg_15 = arg_0.closures()
        for arg_5 in arg_14:
            arg_16 = get_label(arg_5)

            for arg_17 in arg_5:
                arg_18, arg_6 = None, arg_17.lookahead

                if not arg_17.at_end:
                    arg_19 = arg_17.rhs[arg_17.pos]
                    arg_20 = arg_19 in arg_0.terminals
                    arg_21 = arg_19 in arg_15[arg_5]
                    if arg_20 and arg_21:
                        arg_22 = get_label(arg_15[arg_5][arg_19])
                        arg_18, arg_6 = ('shift', arg_22), arg_19
                elif arg_17.production == arg_0.start and arg_17.at_end:
                    arg_18 = ('accept',)
                elif arg_17.at_end:
                    arg_18 = ('reduce', arg_17.production)

                if arg_18 is None:
                    continue

                arg_23 = arg_2.get((arg_16, arg_6))
                if arg_23 is None or arg_23 == arg_18:
                    arg_2[arg_16, arg_6] = arg_18
                else:
                    arg_24 = (arg_23[0], arg_18[0])
                    if arg_24 == ('shift', 'reduce'):
                        arg_25 = resolve_shift_reduce(arg_6,
                                                      arg_23,
                                                      arg_18)
                    elif arg_24 == ('reduce', 'shift'):
                        arg_25 = resolve_shift_reduce(arg_6,
                                                      arg_18,
                                                      arg_23)
                    else:
                        raise TableConflictError(arg_23, arg_18)

                    arg_2[arg_16, arg_6] = arg_25

            for arg_19 in arg_0.nonterminals:
                if arg_19 in arg_15[arg_5]:
                    arg_3[arg_16, arg_19] = get_label(arg_15[arg_5][arg_19])

        return get_label(arg_13), arg_2, arg_3


def Func(arg_0):
    "Return the antecedents and the consequent of a definite clause."
    assert is_definite_clause(arg_0)
    if is_symbol(arg_0.op):
        return [], arg_0
    else:
        arg_1, arg_2 = arg_0.args
        return conjuncts(arg_1), arg_2


def Func(arg_0, arg_1, arg_2, arg_3):
    "Auxiliary routine to implement tt_entails."
    if not arg_2:
        if pl_true(arg_0, arg_3):
            arg_4 = pl_true(arg_1, arg_3)
            assert arg_4 in (True, False)
            return arg_4
        else:
            return True
    else:
        arg_5, arg_6 = arg_2[0], arg_2[1:]
        return (Func(arg_0, arg_1, arg_6, extend(arg_3, arg_5, True)) and
                Func(arg_0, arg_1, arg_6, extend(arg_3, arg_5, False)))


def Func(arg_0):
    "Return a list of all propositional symbols in x."
    if not isinstance(arg_0, Expr):
        return []
    elif is_prop_symbol(arg_0.op):
        return [arg_0]
    else:
        return list(set(arg_2 for arg_1 in arg_0.args
                        for arg_2 in Func(arg_1)))


def Func(arg_0):
    "A variable is an Expr with no args and a lowercase symbol as the op."
    return isinstance(arg_0, Expr) and not arg_0.args and is_var_symbol(arg_0.op)


def Func(arg_0, arg_1):
        "Remove the sentence's clauses from the KB."
        for arg_2 in conjuncts(to_cnf(arg_1)):
            if arg_2 in arg_0.clauses:
                arg_0.clauses.remove(arg_2)


def Func(arg_0):
        """
        Updates the cache with setting values from the database.
        """
        # `values_list('name', 'value')` doesn't work because `value` is not a
        # setting (base class) field, it's a setting value (subclass) field. So
        # we have to get real instances.
        arg_1 = [(obj.name, obj.value) for obj in arg_0.queryset.all()]
        super(SettingDict, arg_0).update(arg_1)
        arg_0.empty_cache = False


def Func(arg_0, arg_1, arg_2=4, arg_3=None, arg_4=None):
    """Search game to determine best action; use alpha-beta pruning.
    This version cuts off search and uses an evaluation function."""

    arg_5 = arg_1.to_move(arg_0)

    def max_value(arg_0, arg_6, arg_7, arg_8):
        if arg_3(arg_0, arg_8):
            return arg_4(arg_0)
        arg_9 = -infinity
        for arg_10 in arg_1.actions(arg_0):
            arg_9 = max(arg_9, min_value(arg_1.result(arg_0, arg_10),
                                 arg_6, arg_7, arg_8+1))
            if arg_9 >= arg_7:
                return arg_9
            arg_6 = max(arg_6, arg_9)
        return arg_9

    def min_value(arg_0, arg_6, arg_7, arg_8):
        if arg_3(arg_0, arg_8):
            return arg_4(arg_0)
        arg_9 = infinity
        for arg_10 in arg_1.actions(arg_0):
            arg_9 = min(arg_9, max_value(arg_1.result(arg_0, arg_10),
                                 arg_6, arg_7, arg_8+1))
            if arg_9 <= arg_6:
                return arg_9
            arg_7 = min(arg_7, arg_9)
        return arg_9

    # Body of Func starts here:
    # The default test cuts off at depth d or at a terminal state
    arg_3 = (arg_3 or
                   (lambda arg_0,arg_8: arg_8>arg_2 or arg_1.terminal_test(arg_0)))
    arg_4 = arg_4 or (lambda arg_0: arg_1.utility(arg_0, arg_5))
    return argmax(arg_1.actions(arg_0),
                  lambda arg_10: min_value(arg_1.result(arg_0, arg_10),
                                      -infinity, infinity, 0))


def Func(arg_0, arg_1, arg_2, arg_3):
        "If X wins with this move, return 1; if O return -1; else return 0."
        if (arg_0.k_in_row(arg_1, arg_2, arg_3, (0, 1)) or
            arg_0.k_in_row(arg_1, arg_2, arg_3, (1, 0)) or
            arg_0.k_in_row(arg_1, arg_2, arg_3, (1, -1)) or
            arg_0.k_in_row(arg_1, arg_2, arg_3, (1, 1))):
            return if_(arg_3 == 'X', +1, -1)
        else:
            return 0


def Func(arg_0, arg_1, arg_2, arg_3, (arg_4, arg_5)):
        "Return true if there is a line through move on board for player."
        arg_6, arg_7 = arg_2
        arg_8 = 0 # n is number of moves in row
        while arg_1.get((arg_6, arg_7)) == arg_3:
            arg_8 += 1
            arg_6, arg_7 = arg_6 + arg_4, arg_7 + arg_5
        arg_6, arg_7 = arg_2
        while arg_1.get((arg_6, arg_7)) == arg_3:
            arg_8 += 1
            arg_6, arg_7 = arg_6 - arg_4, arg_7 - arg_5
        arg_8 -= 1 # Because we counted move itself twice
        return arg_8 >= arg_0.k


def Func(arg_0, **arg_1):
    """Update a dict, or an object with slots, according to `entries` dict.

    >>> Func({'a': 1}, a=10, b=20)
    {'a': 10, 'b': 20}
    >>> Func(Struct(a=1), a=10, b=20)
    Struct(a=10, b=20)
    """
    if isinstance(arg_0, dict):
        arg_0.Func(arg_1)
    else:
        arg_0.__dict__.Func(arg_1)
    return arg_0


def Func(arg_0, arg_1):
    "Return a random-sample function that picks from seq weighted by weights."
    arg_2 = []
    for arg_3 in arg_1:
        arg_2.append(arg_3 + arg_2[-1] if arg_2 else arg_3)
    return lambda: arg_0[bisect.bisect(arg_2, random.uniform(0, arg_2[-1]))]


def Func(arg_0, *arg_1):
    """Format args with the first argument as format string, and write.
    Return the last arg, or format itself if there are no args."""
    sys.stdout.write(str(arg_0) % arg_1)
    return if_(arg_1, lambda: arg_1[-1], lambda: arg_0)


def Func(arg_0):
    """Just count how many times each value of each input attribute
    occurs, conditional on the target value. Count the different
    target values too."""

    arg_1 = arg_0.values[arg_0.target]
    arg_2 = CountingProbDist(arg_1)
    arg_3 = dict(((gv, arg_6), CountingProbDist(arg_0.values[arg_6]))
                      for gv in arg_1
                      for arg_6 in arg_0.inputs)
    for arg_4 in arg_0.examples:
        arg_5 = arg_4[arg_0.target]
        arg_2.add(arg_5)
        for arg_6 in arg_0.inputs:
            arg_3[arg_5, arg_6].add(arg_4[arg_6])

    def predict(arg_4):
        """Predict the target value for example. Consider each possible value,
        and pick the most likely by looking at each attribute independently."""
        def class_probability(arg_5):
            return (arg_2[arg_5]
                    * product(arg_3[arg_5, arg_6][arg_4[arg_6]]
                              for arg_6 in arg_0.inputs))
        return argmax(arg_1, class_probability)

    return predict


def Func(arg_0):
    "Number of bits to represent the probability distribution in values."
    arg_1 = normalize(removeall(0, arg_0))
    return sum(-arg_2 * log2(arg_2) for arg_2 in arg_1)


def Func(arg_0):
    """Given a list of learning algorithms, have them vote."""
    def train(arg_1):
        arg_2 = [learner(arg_1) for learner in arg_0]
        def predict(arg_3):
            return mode(arg_4(arg_3) for arg_4 in arg_2)
        return predict
    return train


def Func(arg_0, arg_1):
    "Return a predictor that takes a weighted vote."
    def predict(arg_2):
        return weighted_mode((arg_3(arg_2) for arg_3 in arg_0),
                             arg_1)
    return predict


def Func(arg_0, arg_1, arg_2=None):
    "Copy dataset, replicating each example in proportion to its weight."
    arg_2 = arg_2 or len(arg_0.examples)
    arg_3 = copy.copy(arg_0)
    arg_3.examples = weighted_replicate(arg_0.examples, arg_1, arg_2)
    return arg_3


def Func(arg_0, arg_1):
    "Leave one out cross-validation over the dataset."
    return cross_validation(arg_0, arg_1, k=len(arg_1.examples))


def Func(arg_0=20):
    "Generate a DataSet with n examples."
    def gen():
        arg_1 = map(random.choice, arg_2.values)
        arg_1[arg_2.target] = Fig[18,2](arg_1)
        return arg_1
    return RestaurantDataSet([gen() for arg_4 in range(arg_0)])


def Func(arg_0):
    "2 inputs are chosen uniformly from (0.0 .. 2.0]; output is xor of ints."
    arg_1 = []
    for arg_2 in range(arg_0):
        arg_3, arg_4 = [random.uniform(0.0, 2.0) for arg_2 in '12']
        arg_1.append([arg_3, arg_4, int(arg_3) != int(arg_4)])
    return DataSet(name="continuous xor", arg_1=arg_1)


def Func(arg_0=[arg_1, arg_2,
                        arg_3, arg_4],
            arg_5=[arg_6, arg_7, arg_8, arg_9, arg_10(20),
                      arg_11(7, 100), arg_12(7, 100), arg_13(100)],
            arg_14=10, arg_15=1):
    """Compare various learners on various datasets using cross-validation.
    Print results as a table."""
    print_table([[arg_17.__name__.replace('Learner','')] +
                 [cross_validation(arg_17, arg_16, arg_14, arg_15) for arg_16 in arg_5]
                 for arg_17 in arg_0],
                header=[''] + [arg_16.name[0:7] for arg_16 in arg_5], numfmt='%.2f')


def Func(arg_0):
        "Check that my fields make sense."
        assert len(arg_0.attrnames) == len(arg_0.attrs)
        assert arg_0.target in arg_0.attrs
        assert arg_0.target not in arg_0.inputs
        assert set(arg_0.inputs).issubset(set(arg_0.attrs))
        map(arg_0.check_example, arg_0.examples)


def Func(arg_0, arg_1):
        "Raise ValueError if example has any invalid values."
        if arg_0.values:
            for arg_2 in arg_0.attrs:
                if arg_1[arg_2] not in arg_0.values[arg_2]:
                    raise ValueError('Bad value %s for attribute %s in %s' %
                                     (arg_1[arg_2], arg_0.attrnames[arg_2], arg_1))


def Func(arg_0, arg_1):
        "Returns the number used for attr, which can be a name, or -n .. n-1."
        if arg_1 < 0:
            return len(arg_0.attrs) + arg_1
        elif isinstance(arg_1, str):
            return arg_0.attrnames.index(arg_1)
        else:
            return arg_1


def Func(arg_0, arg_1):
       "Return a copy of example, with non-input attributes replaced by None."
       return [arg_3 if arg_2 in arg_0.inputs else None
               for arg_2, arg_3 in enumerate(arg_1)]


def Func(arg_0, arg_1):
        "Add an observation o to the distribution."
        arg_0.smooth_for(arg_1)
        arg_0.dictionary[arg_1] += 1
        arg_0.n_obs += 1
        arg_0.sampler = None


def Func(arg_0, arg_1):
        """Include o among the possible observations, whether or not
        it's been observed yet."""
        if arg_1 not in arg_0.dictionary:
            arg_0.dictionary[arg_1] = arg_0.default
            arg_0.n_obs += arg_0.default
            arg_0.sampler = None


def Func(arg_0, arg_1):
    "Minimum-remaining-values heuristic."
    return argmin_random_tie(
        [arg_2 for arg_2 in arg_1.vars if arg_2 not in arg_0],
        lambda var: num_legal_values(arg_1, var, arg_0))


def Func(arg_0, arg_1, arg_2):
    "Least-constraining-values heuristic."
    return sorted(arg_2.choices(arg_0),
                  key=lambda val: arg_2.nconflicts(arg_0, val, arg_1))


def Func(arg_0, arg_1, arg_2, arg_3, arg_4):
    "Prune neighbor values inconsistent with var=value."
    for arg_5 in arg_0.neighbors[arg_1]:
        if arg_5 not in arg_3:
            for arg_6 in arg_0.curr_domains[arg_5][:]:
                if not arg_0.constraints(arg_1, arg_2, arg_5, arg_6):
                    arg_0.prune(arg_5, arg_6, arg_4)
            if not arg_0.curr_domains[arg_5]:
                return False
    return True


def Func(arg_0, arg_1=100000):
    """Solve a CSP by stochastic hillclimbing on the number of conflicts."""
    # Generate a complete assignment for all vars (probably with conflicts)
    arg_0.current = arg_2 = {}
    for arg_3 in arg_0.vars:
        arg_4 = Func_value(arg_0, arg_3, arg_2)
        arg_0.assign(arg_3, arg_4, arg_2)
    # Now repeatedly choose a random conflicted variable and change it
    for arg_5 in range(arg_1):
        arg_6 = arg_0.conflicted_vars(arg_2)
        if not arg_6:
            return arg_2
        arg_3 = random.choice(arg_6)
        arg_4 = Func_value(arg_0, arg_3, arg_2)
        arg_0.assign(arg_3, arg_4, arg_2)
    return None


def Func(arg_0, arg_1, arg_2):
    """Return the value that will give var the least number of conflicts.
    If there is a tie, choose at random."""
    return argmin_random_tie(arg_0.domains[arg_1],
                             lambda val: arg_0.nconflicts(arg_1, val, arg_2))


def Func(arg_0, arg_1, arg_2):
        "Start accumulating inferences from assuming var=value."
        arg_0.support_pruning()
        arg_3 = [(arg_1, a) for a in arg_0.curr_domains[arg_1] if a != arg_2]
        arg_0.curr_domains[arg_1] = [arg_2]
        return arg_3


def Func(arg_0, arg_1, arg_2, arg_3):
        "Rule out var=value."
        arg_0.curr_domains[arg_1].remove(arg_2)
        if arg_3 is not None: arg_3.append((arg_1, arg_2))


def Func(arg_0, arg_1):
        "Return a list of variables in current assignment that are in conflict"
        return [arg_2 for arg_2 in arg_0.vars
                if arg_0.nconflicts(arg_2, arg_1[arg_2], arg_1) > 0]


def Func(arg_0, arg_1, arg_2, arg_3):
        """The number of conflicts, as recorded with each assignment.
        Count conflicts in row and in up, down diagonals. If there
        is a queen there, it can't conflict with itself, so subtract 3."""
        arg_4 = len(arg_0.vars)
        arg_5 = arg_0.rows[arg_2] + arg_0.downs[arg_1+arg_2] + arg_0.ups[arg_1-arg_2+arg_4-1]
        if arg_3.get(arg_1, None) == arg_2:
            arg_5 -= 3
        return arg_5


def Func(arg_0, arg_1, arg_2, arg_3, arg_4):
        "Record conflicts caused by addition or deletion of a Queen."
        arg_5 = len(arg_0.vars)
        arg_0.rows[arg_3] += arg_4
        arg_0.downs[arg_2 + arg_3] += arg_4
        arg_0.ups[arg_2 - arg_3 + arg_5 - 1] += arg_4


def Func(arg_0, arg_1, arg_2=1):
        """
        Print Func and stop command
        """
        print >>sys.stderr, arg_1
        sys.exit(arg_2)


def Func(arg_0, arg_1):
        """Build up a random sample of text nwords words long, using
        the conditional probability given the n-1 preceding words."""
        arg_2 = arg_0.n
        arg_3 = ('',) * (arg_2-1)
        arg_4 = []
        for arg_5 in range(arg_1):
            if arg_3 not in arg_0.cond_prob:
                arg_3 = ('',) * (arg_2-1) # Cannot continue, so restart.
            arg_6 = arg_0.cond_prob[arg_3].sample()
            arg_4.append(arg_6)
            arg_3 = arg_3[1:] + (arg_6,)
        return ' '.join(arg_4)


def Func(arg_0, arg_1, arg_2):
        "Compute a Func for this word on this docid."
        ## There are many options; here we take a very simple approach
        return (math.log(1 + arg_0.index[arg_1][arg_2])
                / math.log(1 + arg_0.documents[arg_2].nwords))


def Func(arg_0, arg_1):
        "Present the results as a list."
        for (arg_2, arg_3) in arg_1:
            arg_4 = arg_0.documents[arg_3]
            print ("%5.2f|%25s | %s"
                   % (100 * arg_2, arg_4.url, arg_4.title[:45].expandtabs()))


def Func(arg_0, arg_1):
        "Return a Func for text based on how common letters pairs are."
        arg_2 = 1.0
        for arg_3 in bigrams(arg_1):
            arg_2 = arg_2 * arg_0.P2[arg_3]
        return arg_2