Hello all,
I've been testing a simple REST endpoint that handles form PUT/POST file
uploads with varying file sizes. It appears there exists a limit at or near
2GB file sizes that doesn't allow a file larger than 2GB to be uploaded.
Once the upload begins, via a cURL call, the system seems to hang for
several minutes and then dies...
The endpoint code is fairly simple:
@staticmethod
def put():
file = request.files['file']
try:
source_extension = os.path.splitext(file.filename)[1]
destination_filename = uuid4().hex + source_extension
file.save(os.path.join(CONFIG.TMP_DIR, destination_filename))
except:
msg = 'Unable to process file upload'
LOG.exception(msg)
return APIError(client.INTERNAL_SERVER_ERROR, False,
msg).make_error()
return RESTResponse([], client.OK, None)
Traceback (most recent call last):
File "/usr/local/lib/python3.4/site-packages/flask/app.py", line 1836, in
__call__
return self.wsgi_app(environ, start_response)
File "/usr/local/lib/python3.4/site-packages/flask/app.py", line 1820, in
wsgi_app
response = self.make_response(self.handle_exception(e))
File "/usr/local/lib/python3.4/site-packages/flask_cors.py", line 272, in
wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python3.4/site-packages/flask_restful/__init__.py",
line 261, in error_router
return self.handle_error(e)
File "/usr/local/lib/python3.4/site-packages/flask/app.py", line 1817, in
wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python3.4/site-packages/flask/app.py", line 1477, in
full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python3.4/site-packages/flask_cors.py", line 272, in
wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python3.4/site-packages/flask_restful/__init__.py",
line 261, in error_router
return self.handle_error(e)
File "/usr/local/lib/python3.4/site-packages/flask/app.py", line 1475, in
full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.4/site-packages/flask/app.py", line 1461, in
dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/usr/local/lib/python3.4/site-packages/flask_restful/__init__.py",
line 430, in wrapper
resp = resource(*args, **kwargs)
File "/usr/local/lib/python3.4/site-packages/flask/views.py", line 84, in
view
return self.dispatch_request(*args, **kwargs)
File "/usr/local/lib/python3.4/site-packages/flask_restful/__init__.py",
line 520, in dispatch_request
resp = meth(*args, **kwargs)
File "/Users/royrusso/dev/predikto/predikto-rest/predikto/api/upload.py",
line 17, in put
file = request.files['file']
File "/usr/local/lib/python3.4/site-packages/werkzeug/local.py", line 338,
in __getattr__
return getattr(self._get_current_object(), name)
File "/usr/local/lib/python3.4/site-packages/werkzeug/utils.py", line 71,
in __get__
value = self.func(obj)
File "/usr/local/lib/python3.4/site-packages/werkzeug/wrappers.py", line
512, in files
self._load_form_data()
File "/usr/local/lib/python3.4/site-packages/flask/wrappers.py", line 165,
in _load_form_data
RequestBase._load_form_data(self)
File "/usr/local/lib/python3.4/site-packages/werkzeug/wrappers.py", line
356, in _load_form_data
mimetype, content_length, options)
File "/usr/local/lib/python3.4/site-packages/werkzeug/formparser.py",
line 193, in parse
content_length, options)
File "/usr/local/lib/python3.4/site-packages/werkzeug/formparser.py",
line 99, in wrapper
return f(self, stream, *args, **kwargs)
File "/usr/local/lib/python3.4/site-packages/werkzeug/formparser.py",
line 210, in _parse_multipart
form, files = parser.parse(stream, boundary, content_length)
File "/usr/local/lib/python3.4/site-packages/werkzeug/formparser.py",
line 520, in parse
return self.cls(form), self.cls(files)
File "/usr/local/lib/python3.4/site-packages/werkzeug/datastructures.py",
line 373, in __init__
for key, value in mapping or ():
File "/usr/local/lib/python3.4/site-packages/werkzeug/formparser.py",
line 518, in <genexpr>
form = (p[1] for p in formstream if p[0] == 'form')
File "/usr/local/lib/python3.4/site-packages/werkzeug/formparser.py",
line 494, in parse_parts
_write(ell)
OSError: [Errno 22] Invalid argument
Thoughts?
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