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django_helpers.py
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django_helpers.py
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try:
from collections.abc import MutableMapping as DictMixin
except ImportError:
from collections import MutableMapping as DictMixin
from authlib.common.encoding import to_unicode, json_loads
def create_oauth_request(request, request_cls, use_json=False):
if isinstance(request, request_cls):
return request
if request.method == 'POST':
if use_json:
body = json_loads(request.body)
else:
body = request.POST.dict()
else:
body = None
headers = parse_request_headers(request)
url = request.get_raw_uri()
return request_cls(request.method, url, body, headers)
def parse_request_headers(request):
return WSGIHeaderDict(request.META)
class WSGIHeaderDict(DictMixin):
CGI_KEYS = ('CONTENT_TYPE', 'CONTENT_LENGTH')
def __init__(self, environ):
self.environ = environ
def keys(self):
return [x for x in self]
def _ekey(self, key):
key = key.replace('-', '_').upper()
if key in self.CGI_KEYS:
return key
return 'HTTP_' + key
def __getitem__(self, key):
return _unicode_value(self.environ[self._ekey(key)])
def __delitem__(self, key): # pragma: no cover
raise ValueError('Can not delete item')
def __setitem__(self, key, value): # pragma: no cover
raise ValueError('Can not set item')
def __iter__(self):
for key in self.environ:
if key[:5] == 'HTTP_':
yield _unify_key(key[5:])
elif key in self.CGI_KEYS:
yield _unify_key(key)
def __len__(self):
return len(self.keys())
def __contains__(self, key):
return self._ekey(key) in self.environ
def _unicode_value(value):
return to_unicode(value, 'latin-1')
def _unify_key(key):
return key.replace('_', '-').title()