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Diffstat (limited to 'lib/python2.7/wsgiref/util.py')
| -rw-r--r-- | lib/python2.7/wsgiref/util.py | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/lib/python2.7/wsgiref/util.py b/lib/python2.7/wsgiref/util.py deleted file mode 100644 index 194b187..0000000 --- a/lib/python2.7/wsgiref/util.py +++ /dev/null @@ -1,165 +0,0 @@ -"""Miscellaneous WSGI-related Utilities""" - -import posixpath - -__all__ = [ - 'FileWrapper', 'guess_scheme', 'application_uri', 'request_uri', - 'shift_path_info', 'setup_testing_defaults', -] - - -class FileWrapper: - """Wrapper to convert file-like objects to iterables""" - - def __init__(self, filelike, blksize=8192): - self.filelike = filelike - self.blksize = blksize - if hasattr(filelike,'close'): - self.close = filelike.close - - def __getitem__(self,key): - data = self.filelike.read(self.blksize) - if data: - return data - raise IndexError - - def __iter__(self): - return self - - def next(self): - data = self.filelike.read(self.blksize) - if data: - return data - raise StopIteration - -def guess_scheme(environ): - """Return a guess for whether 'wsgi.url_scheme' should be 'http' or 'https' - """ - if environ.get("HTTPS") in ('yes','on','1'): - return 'https' - else: - return 'http' - -def application_uri(environ): - """Return the application's base URI (no PATH_INFO or QUERY_STRING)""" - url = environ['wsgi.url_scheme']+'://' - from urllib import quote - - if environ.get('HTTP_HOST'): - url += environ['HTTP_HOST'] - else: - url += environ['SERVER_NAME'] - - if environ['wsgi.url_scheme'] == 'https': - if environ['SERVER_PORT'] != '443': - url += ':' + environ['SERVER_PORT'] - else: - if environ['SERVER_PORT'] != '80': - url += ':' + environ['SERVER_PORT'] - - url += quote(environ.get('SCRIPT_NAME') or '/') - return url - -def request_uri(environ, include_query=1): - """Return the full request URI, optionally including the query string""" - url = application_uri(environ) - from urllib import quote - path_info = quote(environ.get('PATH_INFO',''),safe='/;=,') - if not environ.get('SCRIPT_NAME'): - url += path_info[1:] - else: - url += path_info - if include_query and environ.get('QUERY_STRING'): - url += '?' + environ['QUERY_STRING'] - return url - -def shift_path_info(environ): - """Shift a name from PATH_INFO to SCRIPT_NAME, returning it - - If there are no remaining path segments in PATH_INFO, return None. - Note: 'environ' is modified in-place; use a copy if you need to keep - the original PATH_INFO or SCRIPT_NAME. - - Note: when PATH_INFO is just a '/', this returns '' and appends a trailing - '/' to SCRIPT_NAME, even though empty path segments are normally ignored, - and SCRIPT_NAME doesn't normally end in a '/'. This is intentional - behavior, to ensure that an application can tell the difference between - '/x' and '/x/' when traversing to objects. - """ - path_info = environ.get('PATH_INFO','') - if not path_info: - return None - - path_parts = path_info.split('/') - path_parts[1:-1] = [p for p in path_parts[1:-1] if p and p != '.'] - name = path_parts[1] - del path_parts[1] - - script_name = environ.get('SCRIPT_NAME','') - script_name = posixpath.normpath(script_name+'/'+name) - if script_name.endswith('/'): - script_name = script_name[:-1] - if not name and not script_name.endswith('/'): - script_name += '/' - - environ['SCRIPT_NAME'] = script_name - environ['PATH_INFO'] = '/'.join(path_parts) - - # Special case: '/.' on PATH_INFO doesn't get stripped, - # because we don't strip the last element of PATH_INFO - # if there's only one path part left. Instead of fixing this - # above, we fix it here so that PATH_INFO gets normalized to - # an empty string in the environ. - if name=='.': - name = None - return name - -def setup_testing_defaults(environ): - """Update 'environ' with trivial defaults for testing purposes - - This adds various parameters required for WSGI, including HTTP_HOST, - SERVER_NAME, SERVER_PORT, REQUEST_METHOD, SCRIPT_NAME, PATH_INFO, - and all of the wsgi.* variables. It only supplies default values, - and does not replace any existing settings for these variables. - - This routine is intended to make it easier for unit tests of WSGI - servers and applications to set up dummy environments. It should *not* - be used by actual WSGI servers or applications, since the data is fake! - """ - - environ.setdefault('SERVER_NAME','127.0.0.1') - environ.setdefault('SERVER_PROTOCOL','HTTP/1.0') - - environ.setdefault('HTTP_HOST',environ['SERVER_NAME']) - environ.setdefault('REQUEST_METHOD','GET') - - if 'SCRIPT_NAME' not in environ and 'PATH_INFO' not in environ: - environ.setdefault('SCRIPT_NAME','') - environ.setdefault('PATH_INFO','/') - - environ.setdefault('wsgi.version', (1,0)) - environ.setdefault('wsgi.run_once', 0) - environ.setdefault('wsgi.multithread', 0) - environ.setdefault('wsgi.multiprocess', 0) - - from StringIO import StringIO - environ.setdefault('wsgi.input', StringIO("")) - environ.setdefault('wsgi.errors', StringIO()) - environ.setdefault('wsgi.url_scheme',guess_scheme(environ)) - - if environ['wsgi.url_scheme']=='http': - environ.setdefault('SERVER_PORT', '80') - elif environ['wsgi.url_scheme']=='https': - environ.setdefault('SERVER_PORT', '443') - - - -_hoppish = { - 'connection':1, 'keep-alive':1, 'proxy-authenticate':1, - 'proxy-authorization':1, 'te':1, 'trailers':1, 'transfer-encoding':1, - 'upgrade':1 -}.__contains__ - -def is_hop_by_hop(header_name): - """Return true if 'header_name' is an HTTP/1.1 "Hop-by-Hop" header""" - return _hoppish(header_name.lower()) |