def _perform_method_overloading(self):
"""
Perform method and content type overloading.
Provides support for browser PUT, PATCH, DELETE & other requests,
by specifing a '_method' form field.
Also provides support for browser non-form requests (eg JSON),
by specifing '_content' and '_content_type' form fields.
"""
self._method = super(APIRequest, self).method
self._stream = super(APIRequest, self).stream
self._content_type = self.headers.get("Content-Type")
self._content_length = get_content_length(self.environ)
if self._method == "POST" and self._content_type == "application/x-www-form-urlencoded":
# Read the request data, then push it back onto the stream again.
body = self.get_data()
data = url_decode_stream(io.BytesIO(body))
self._stream = io.BytesIO(body)
if "_method" in data:
# Support browser forms with PUT, PATCH, DELETE & other methods.
self._method = data["_method"]
if "_content" in data and "_content_type" in data:
# Support browser forms with non-form data, such as JSON.
body = data["_content"].encode("utf8")
self._stream = io.BytesIO(body)
self._content_type = data["_content_type"]
self._content_length = len(body)
def _perform_method_overloading(self):
"""
Perform method and content type overloading.
Provides support for browser PUT, PATCH, DELETE & other requests,
by specifing a '_method' form field.
Also provides support for browser non-form requests (eg JSON),
by specifing '_content' and '_content_type' form fields.
"""
self._method = super(APIRequest, self).method
self._stream = super(APIRequest, self).stream
self._content_type = self.headers.get('Content-Type')
self._content_length = get_content_length(self.environ)
if (self._method == 'POST'
and self._content_type == 'application/x-www-form-urlencoded'):
# Read the request data, then push it back onto the stream again.
body = self.get_data()
data = url_decode_stream(io.BytesIO(body))
self._stream = io.BytesIO(body)
if '_method' in data:
# Support browser forms with PUT, PATCH, DELETE & other methods.
self._method = data['_method']
if '_content' in data and '_content_type' in data:
# Support browser forms with non-form data, such as JSON.
body = data['_content'].encode('utf8')
self._stream = io.BytesIO(body)
self._content_type = data['_content_type']
self._content_length = len(body)
def __init__(self, environ, populate_request=True, shallow=False):
environ = copy(environ)
stream = ProgressWsgiInputWrapper(environ['wsgi.input'], get_content_length(environ))
environ['wsgi.input'] = stream
super(FileShareRequest, self).__init__(environ, populate_request, shallow)
progress_streams[self.path] = stream
def parse_from_environ(self, environ):
"""Parses the information from the environment as form data.
:param environ: the WSGI environment to be used for parsing.
:return: A tuple in the form ``(stream, form, files)``.
"""
content_type = environ.get("CONTENT_TYPE", "")
content_length = get_content_length(environ)
mimetype, options = parse_options_header(content_type)
return self.parse(get_input_stream(environ), mimetype, content_length, options)
def parse_from_environ(self, environ):
"""Parses the information from the environment as form data.
:param environ: the WSGI environment to be used for parsing.
:return: A tuple in the form ``(stream, form, files)``.
"""
content_type = environ.get("CONTENT_TYPE", "")
content_length = get_content_length(environ)
mimetype, options = parse_options_header(content_type)
return self.parse(get_input_stream(environ), mimetype, content_length, options)
def upload():
temp_files = [
open('./data/stream-split-a', mode='wb'),
open('./data/stream-split-b', mode='wb'),
open('./data/stream-split-c', mode='wb'),
]
spx = SubprocessInputStreamer(
['exiftool', '-'], popen_kwargs={'stdin': subprocess.PIPE, 'stdout': subprocess.PIPE}
)
writer = SplitStreamWriter(temp_files + [SubprocessStreamProxy(spx)])
content_length = get_content_length(request.environ)
print('Starting to read request: content_length=%s' % content_length)
start = time.time()
stream = request.stream
while True:
data = stream.read(500 * 1024)
if not data:
break
writer.write(data)
writer.flush()
end = time.time()
print('Finished reading request: time=%s' % (end - start))
print('Temp files: %s' % [f.name for f in temp_files])
for f in temp_files:
f.close()
if spx.error:
print('SPX ERROR: error=%s, spx.stderr=%s' % (spx.error, spx.stderr))
else:
print('SPX: ')
print(spx.stdout.decode() if spx.stdout else '<NO STDOUT>')
print(spx.stderr.decode() if spx.stderr else '<NO STDERR>')
return Response(status=200)
def content_length(self):
"""The content length of the request payload."""
return get_content_length(self.environ)
def content_length(self):
"""The content length of the request payload."""
return get_content_length(self.environ)
def parse_from_environ(self, environ):
content_type = environ.get('CONTENT_TYPE', '')
content_length = get_content_length(environ)
mimetype, options = parse_options_header(content_type)
return self._parse_multipart(get_input_stream(environ), mimetype, content_length, options)
def __call__(self, environ, start_response):
stream = environ['wsgi.input']
content_length = get_content_length(environ)
environ['wsgi.input'] = SizeLimitStream(
stream, content_length, self.max_content_length)
return self.app(environ, start_response)
