old-parkingkoncept/parkingkonceptvenv/lib/python3.7/site-packages/werkzeug/__pycache__/routing.cpython-37.pyc

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    werkzeug.routing
    ~~~~~~~~~~~~~~~~

    When it comes to combining multiple controller or view functions (however
    you want to call them) you need a dispatcher.  A simple way would be
    applying regular expression tests on the ``PATH_INFO`` and calling
    registered callback functions that return the value then.

    This module implements a much more powerful system than simple regular
    expression matching because it can also convert values in the URLs and
    build URLs.

    Here a simple example that creates an URL map for an application with
    two subdomains (www and kb) and some URL rules:

    >>> m = Map([
    ...     # Static URLs
    ...     Rule('/', endpoint='static/index'),
    ...     Rule('/about', endpoint='static/about'),
    ...     Rule('/help', endpoint='static/help'),
    ...     # Knowledge Base
    ...     Subdomain('kb', [
    ...         Rule('/', endpoint='kb/index'),
    ...         Rule('/browse/', endpoint='kb/browse'),
    ...         Rule('/browse/<int:id>/', endpoint='kb/browse'),
    ...         Rule('/browse/<int:id>/<int:page>', endpoint='kb/browse')
    ...     ])
    ... ], default_subdomain='www')

    If the application doesn't use subdomains it's perfectly fine to not set
    the default subdomain and not use the `Subdomain` rule factory.  The endpoint
    in the rules can be anything, for example import paths or unique
    identifiers.  The WSGI application can use those endpoints to get the
    handler for that URL.  It doesn't have to be a string at all but it's
    recommended.

    Now it's possible to create a URL adapter for one of the subdomains and
    build URLs:

    >>> c = m.bind('example.com')
    >>> c.build("kb/browse", dict(id=42))
    'http://kb.example.com/browse/42/'
    >>> c.build("kb/browse", dict())
    'http://kb.example.com/browse/'
    >>> c.build("kb/browse", dict(id=42, page=3))
    'http://kb.example.com/browse/42/3'
    >>> c.build("static/about")
    '/about'
    >>> c.build("static/index", force_external=True)
    'http://www.example.com/'

    >>> c = m.bind('example.com', subdomain='kb')
    >>> c.build("static/about")
    'http://www.example.com/about'

    The first argument to bind is the server name *without* the subdomain.
    Per default it will assume that the script is mounted on the root, but
    often that's not the case so you can provide the real mount point as
    second argument:

    >>> c = m.bind('example.com', '/applications/example')

    The third argument can be the subdomain, if not given the default
    subdomain is used.  For more details about binding have a look at the
    documentation of the `MapAdapter`.

    And here is how you can match URLs:

    >>> c = m.bind('example.com')
    >>> c.match("/")
    ('static/index', {})
    >>> c.match("/about")
    ('static/about', {})
    >>> c = m.bind('example.com', '/', 'kb')
    >>> c.match("/")
    ('kb/index', {})
    >>> c.match("/browse/42/23")
    ('kb/browse', {'id': 42, 'page': 23})

    If matching fails you get a `NotFound` exception, if the rule thinks
    it's a good idea to redirect (for example because the URL was defined
    to have a slash at the end but the request was missing that slash) it
    will raise a `RequestRedirect` exception.  Both are subclasses of the
    `HTTPException` so you can use those errors as responses in the
    application.

    If matching succeeded but the URL rule was incompatible to the given
    method (for example there were only rules for `GET` and `HEAD` and
    routing system tried to match a `POST` request) a `MethodNotAllowed`
    exception is raised.


    :copyright: 2007 Pallets
    :license: BSD-3-Clause
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    `string`
        Rule strings basically are just normal URL paths with placeholders in
        the format ``<converter(arguments):name>`` where the converter and the
        arguments are optional.  If no converter is defined the `default`
        converter is used which means `string` in the normal configuration.

        URL rules that end with a slash are branch URLs, others are leaves.
        If you have `strict_slashes` enabled (which is the default), all
        branch URLs that are matched without a trailing slash will trigger a
        redirect to the same URL with the missing slash appended.

        The converters are defined on the `Map`.

    `endpoint`
        The endpoint for this rule. This can be anything. A reference to a
        function, a string, a number etc.  The preferred way is using a string
        because the endpoint is used for URL generation.

    `defaults`
        An optional dict with defaults for other rules with the same endpoint.
        This is a bit tricky but useful if you want to have unique URLs::

            url_map = Map([
                Rule('/all/', defaults={'page': 1}, endpoint='all_entries'),
                Rule('/all/page/<int:page>', endpoint='all_entries')
            ])

        If a user now visits ``http://example.com/all/page/1`` he will be
        redirected to ``http://example.com/all/``.  If `redirect_defaults` is
        disabled on the `Map` instance this will only affect the URL
        generation.

    `subdomain`
        The subdomain rule string for this rule. If not specified the rule
        only matches for the `default_subdomain` of the map.  If the map is
        not bound to a subdomain this feature is disabled.

        Can be useful if you want to have user profiles on different subdomains
        and all subdomains are forwarded to your application::

            url_map = Map([
                Rule('/', subdomain='<username>', endpoint='user/homepage'),
                Rule('/stats', subdomain='<username>', endpoint='user/stats')
            ])

    `methods`
        A sequence of http methods this rule applies to.  If not specified, all
        methods are allowed. For example this can be useful if you want different
        endpoints for `POST` and `GET`.  If methods are defined and the path
        matches but the method matched against is not in this list or in the
        list of another rule for that path the error raised is of the type
        `MethodNotAllowed` rather than `NotFound`.  If `GET` is present in the
        list of methods and `HEAD` is not, `HEAD` is added automatically.

        .. versionchanged:: 0.6.1
           `HEAD` is now automatically added to the methods if `GET` is
           present.  The reason for this is that existing code often did not
           work properly in servers not rewriting `HEAD` to `GET`
           automatically and it was not documented how `HEAD` should be
           treated.  This was considered a bug in Werkzeug because of that.

    `strict_slashes`
        Override the `Map` setting for `strict_slashes` only for this rule. If
        not specified the `Map` setting is used.

    `build_only`
        Set this to True and the rule will never match but will create a URL
        that can be build. This is useful if you have resources on a subdomain
        or folder that are not handled by the WSGI application (like static data)

    `redirect_to`
        If given this must be either a string or callable.  In case of a
        callable it's called with the url adapter that triggered the match and
        the values of the URL as keyword arguments and has to return the target
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            def foo_with_slug(adapter, id):
                # ask the database for the slug for the old id.  this of
                # course has nothing to do with werkzeug.
                return 'foo/' + Foo.get_slug_for_id(id)

            url_map = Map([
                Rule('/foo/<slug>', endpoint='foo'),
                Rule('/some/old/url/<slug>', redirect_to='foo/<slug>'),
                Rule('/other/old/url/<int:id>', redirect_to=foo_with_slug)
            ])

        When the rule is matched the routing system will raise a
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        Keep in mind that the URL will be joined against the URL root of the
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    `alias`
        If enabled this rule serves as an alias for another rule with the same
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    `host`
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        Example: `server_name` is ``'example.com'`` and the `SERVER_NAME`
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        subdomain will be ``'staging.dev'``.

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        this attribute is used instead.  This allows you to pass request
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        .. versionchanged:: 0.5
            previously this method accepted a bogus `calculate_subdomain`
            parameter that did not have any effect.  It was removed because
            of that.

        .. versionchanged:: 0.8
           This will no longer raise a ValueError when an unexpected server
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        or WSGI application.  http exceptions are not caught by default
        so that applications can display nicer error messages by just
        catching them by hand.  If you want to stick with the default
        error messages you can pass it ``catch_http_exceptions=True`` and
        it will catch the http exceptions.

        Here a small example for the dispatch usage::

            from werkzeug.wrappers import Request, Response
            from werkzeug.wsgi import responder
            from werkzeug.routing import Map, Rule

            def on_index(request):
                return Response('Hello from the index')

            url_map = Map([Rule('/', endpoint='index')])
            views = {'index': on_index}

            @responder
            def application(environ, start_response):
                request = Request(environ)
                urls = url_map.bind_to_environ(environ)
                return urls.dispatch(lambda e, v: views[e](request, **v),
                                     catch_http_exceptions=True)

        Keep in mind that this method might return exception objects, too, so
        use :class:`Response.force_type` to get a response object.

        :param view_func: a function that is called with the endpoint as
                          first argument and the value dict as second.  Has
                          to dispatch to the actual view function with this
                          information.  (see above)
        :param path_info: the path info to use for matching.  Overrides the
                          path info specified on binding.
        :param method: the HTTP method used for matching.  Overrides the
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        :param catch_http_exceptions: set to `True` to catch any of the
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        path info as well as the method (which defaults to `GET`).  The
        following things can then happen:

        - you receive a `NotFound` exception that indicates that no URL is
          matching.  A `NotFound` exception is also a WSGI application you
          can call to get a default page not found page (happens to be the
          same object as `werkzeug.exceptions.NotFound`)

        - you receive a `MethodNotAllowed` exception that indicates that there
          is a match for this URL but not for the current request method.
          This is useful for RESTful applications.

        - you receive a `RequestRedirect` exception with a `new_url`
          attribute.  This exception is used to notify you about a request
          Werkzeug requests from your WSGI application.  This is for example the
          case if you request ``/foo`` although the correct URL is ``/foo/``
          You can use the `RequestRedirect` instance as response-like object
          similar to all other subclasses of `HTTPException`.

        - you get a tuple in the form ``(endpoint, arguments)`` if there is
          a match (unless `return_rule` is True, in which case you get a tuple
          in the form ``(rule, arguments)``)

        If the path info is not passed to the match method the default path
        info of the map is used (defaults to the root URL if not defined
        explicitly).

        All of the exceptions raised are subclasses of `HTTPException` so they
        can be used as WSGI responses. They will all render generic error or
        redirect pages.

        Here is a small example for matching:

        >>> m = Map([
        ...     Rule('/', endpoint='index'),
        ...     Rule('/downloads/', endpoint='downloads/index'),
        ...     Rule('/downloads/<int:id>', endpoint='downloads/show')
        ... ])
        >>> urls = m.bind("example.com", "/")
        >>> urls.match("/", "GET")
        ('index', {})
        >>> urls.match("/downloads/42")
        ('downloads/show', {'id': 42})

        And here is what happens on redirect and missing URLs:

        >>> urls.match("/downloads")
        Traceback (most recent call last):
          ...
        RequestRedirect: http://example.com/downloads/
        >>> urls.match("/missing")
        Traceback (most recent call last):
          ...
        NotFound: 404 Not Found

        :param path_info: the path info to use for matching.  Overrides the
                          path info specified on binding.
        :param method: the HTTP method used for matching.  Overrides the
                       method specified on binding.
        :param return_rule: return the rule that matched instead of just the
                            endpoint (defaults to `False`).
        :param query_args: optional query arguments that are used for
                           automatic redirects as string or dictionary.  It's
                           currently not possible to use the query arguments
                           for URL matching.

        .. versionadded:: 0.6
           `return_rule` was added.

        .. versionadded:: 0.7
           `query_args` was added.

        .. versionchanged:: 0.8
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zMapAdapter.matchcCs<y|<00>|
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S)a<>Building URLs works pretty much the other way round.  Instead of
        `match` you call `build` and pass it the endpoint and a dict of
        arguments for the placeholders.

        The `build` function also accepts an argument called `force_external`
        which, if you set it to `True` will force external URLs. Per default
        external URLs (include the server name) will only be used if the
        target URL is on a different subdomain.

        >>> m = Map([
        ...     Rule('/', endpoint='index'),
        ...     Rule('/downloads/', endpoint='downloads/index'),
        ...     Rule('/downloads/<int:id>', endpoint='downloads/show')
        ... ])
        >>> urls = m.bind("example.com", "/")
        >>> urls.build("index", {})
        '/'
        >>> urls.build("downloads/show", {'id': 42})
        '/downloads/42'
        >>> urls.build("downloads/show", {'id': 42}, force_external=True)
        'http://example.com/downloads/42'

        Because URLs cannot contain non ASCII data you will always get
        bytestrings back.  Non ASCII characters are urlencoded with the
        charset defined on the map instance.

        Additional values are converted to unicode and appended to the URL as
        URL querystring parameters:

        >>> urls.build("index", {'q': 'My Searchstring'})
        '/?q=My+Searchstring'

        When processing those additional values, lists are furthermore
        interpreted as multiple values (as per
        :py:class:`werkzeug.datastructures.MultiDict`):

        >>> urls.build("index", {'q': ['a', 'b', 'c']})
        '/?q=a&q=b&q=c'

        Passing a ``MultiDict`` will also add multiple values:

        >>> urls.build("index", MultiDict((('p', 'z'), ('q', 'a'), ('q', 'b'))))
        '/?p=z&q=a&q=b'

        If a rule does not exist when building a `BuildError` exception is
        raised.

        The build method accepts an argument called `method` which allows you
        to specify the method you want to have an URL built for if you have
        different methods for the same endpoint specified.

        .. versionadded:: 0.6
           the `append_unknown` parameter was added.

        :param endpoint: the endpoint of the URL to build.
        :param values: the values for the URL to build.  Unhandled values are
                       appended to the URL as query parameters.
        :param method: the HTTP method for the rule if there are different
                       URLs for different methods on the same endpoint.
        :param force_external: enforce full canonical external URLs. If the URL
                               scheme is not provided, this will generate
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