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Diffstat (limited to 'flup/resolver/complex.py')
-rw-r--r-- | flup/resolver/complex.py | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/flup/resolver/complex.py b/flup/resolver/complex.py deleted file mode 100644 index f5b3aa0..0000000 --- a/flup/resolver/complex.py +++ /dev/null @@ -1,112 +0,0 @@ -# Copyright (c) 2005 Allan Saddi <allan@saddi.com> -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# -# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND -# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -# SUCH DAMAGE. -# -# $Id$ - -__author__ = 'Allan Saddi <allan@saddi.com>' -__version__ = '$Revision$' - -import re - -from flup.resolver.resolver import * - -__all__ = ['ComplexResolver'] - -class ComplexResolver(Resolver): - """ - A meta-Resolver that allows you to "graft" different resolvers at various - points in your URL space. - - It works as follows: given a PATH_INFO, it will try all matching - resolvers, starting with the most specific. The first function returned - by a resolver is returned as the result. - - If no matching resolvers return a function, then the search is - considered a failure. - - Assumes that none of the registered resolvers modify environ when - they fail to resolve. - - Upon successful resolution, SCRIPT_NAME will contain the path up to - and including the resolved function (as determined by the resolver) and - PATH_INFO will contain all remaining components. - """ - _slashRE = re.compile(r'''/{2,}''') - - def __init__(self): - self.resolverMap = {} - - def _canonicalUrl(self, url): - if not url: # Represents default - return url - - # Get rid of adjacent slashes - url = self._slashRE.sub('/', url) - - # No trailing slash - if url.endswith('/'): - url = url[:-1] - - # Make sure it starts with a slash - if not url.startswith('/'): - url = '/' + url - - return url - - def addResolver(self, url, resolver): - """ - Registers a resolver at a particular URL. The empty URL '' - represents the default resolver. It will be matched when no - other matching resolvers are found. - """ - url = self._canonicalUrl(url) - self.resolverMap[url] = resolver - - def removeResolver(self, url): - """Removes the resolver at a particular URL.""" - url = self._canonicalUrl(url) - del self.resolverMap[url] - - def resolve(self, request, redirect=False): - orig_script_name = request.scriptName - orig_path_info = path_info = request.pathInfo - path_info = path_info.split(';')[0] - path_info = path_info.split('/') - - assert len(path_info) > 0 - assert not path_info[0] - - while path_info: - try_path_info = '/'.join(path_info) - resolver = self.resolverMap.get(try_path_info) - if resolver is not None: - self._updatePath(request, len(path_info) - 1) - func = resolver.resolve(request, redirect) - if func is not None: - return func - request.environ['SCRIPT_NAME'] = orig_script_name - request.environ['PATH_INFO'] = orig_path_info - path_info.pop() - - return None |