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63 lines
2 KiB
Python
63 lines
2 KiB
Python
import re
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import inspect
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from flask import redirect
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from werkzeug.routing import HTTPException, RoutingException
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def slugify(value):
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"""Normalizes string, converts to lowercase, removes non-alpha characters,
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and converts spaces to hyphens.
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Copy/Pasted from ametaireau/pelican/utils itself took from django sources.
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"""
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if type(value) == unicode:
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import unicodedata
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value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore')
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value = unicode(re.sub('[^\w\s-]', '', value).strip().lower())
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return re.sub('[-\s]+', '-', value)
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class Redirect303(HTTPException, RoutingException):
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"""Raise if the map requests a redirect. This is for example the case if
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`strict_slashes` are activated and an url that requires a trailing slash.
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The attribute `new_url` contains the absolute destination url.
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"""
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code = 303
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def __init__(self, new_url):
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RoutingException.__init__(self, new_url)
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self.new_url = new_url
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def get_response(self, environ):
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return redirect(self.new_url, 303)
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class ReverseProxied(object):
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'''
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Wrap the application in this middleware and configure the
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front-end server to add these headers, to let you quietly bind
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this to a URL other than / and to an HTTP scheme that is
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different than what is used locally.
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Inspired from http://flask.pocoo.org/snippets/35/
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:param app: the WSGI application
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'''
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def __init__(self, app, prefix):
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self.app = app
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self.prefix = prefix
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def __call__(self, environ, start_response):
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script_name = self.prefix
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if script_name:
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environ['SCRIPT_NAME'] = script_name
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path_info = environ['PATH_INFO']
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if path_info.startswith(script_name):
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environ['PATH_INFO'] = path_info[len(script_name):]
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scheme = environ.get('HTTP_X_SCHEME', '')
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if scheme:
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environ['wsgi.url_scheme'] = scheme
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return self.app(environ, start_response)
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