FTP Transport Adapter for Requests.
Project description
Requests-FTP is an implementation of a very stupid FTP transport adapter for use with the awesome Requests Python library.
This library is not intended to be an example of Transport Adapters best practices. This library was cowboyed together in about 4 hours of total work, has no tests, and relies on a few ugly hacks. Instead, it is intended as both a starting point for future development and a useful example for how to implement transport adapters.
Here’s how you use it:
>>> import requests
>>> import requests_ftp
>>> requests_ftp.monkeypatch_session()
>>> s = requests.Session()
>>> resp = s.list('ftp://127.0.0.1/', auth=('Lukasa', 'notmypass'))
>>> resp.status_code
'226'
>>> print resp.content
...snip...
>>> resp = s.stor('ftp://127.0.0.1/test.txt', auth=('Lukasa', 'notmypass'),
files={'file': open('report.txt', 'rb')})Features
Almost none!
Adds the FTP LIST, STOR, RETR and NLST verbs via a new FTP transport adapter.
Provides a function that monkeypatches the Requests Session object, exposing helper methods much like the current Session.get() and Session.post() methods.
Piggybacks on standard Requests idioms: uses normal Requests models and access methods, including the tuple form of authentication.
Does not provide:
Connection pooling! One new connection and multiple commands for each request, including authentication. Super inefficient.
SFTP. Security is for the weak.
Less common commands.
Important Notes
Many corners have been cut in my rush to get this code finished. The most obvious problem is that this code does not have any tests. This is my highest priority for fixing.
More notably, we have the following important caveats:
The design of the Requests Transport Adapater means that the STOR method has to un-encode a multipart form-data encoded body to get the file. This is painful, and I haven’t tested this thoroughly, so it might not work.
Massive assumptions have been made in the use of the STOR method. This code assumes that there will only be one file included in the files argument. It also requires that you provide the filename to save as as part of the URL. This is single-handedly the most brittle part of this adapter.
This code is not optimised for performance AT ALL. There is some low-hanging fruit here: we should be able to connection pool relatively easily, and we can probably avoid making some of the requests we do.
Contributing
Please do! I would love for this to be developed further by anyone who is interested. Wherever possible, please provide unit tests for your work (yes, this is very much a ‘do as I say, not as I do’ kind of moment). Don’t forget to add your name to AUTHORS.
License
To maximise compatibility with Requests, this code is licensed under the Apache license. See LICENSE for more details.
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