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PycURL: Python interface to libcurl
====================================
.. image:: https://api.travis-ci.org/pycurl/pycurl.png
:target: https://travis-ci.org/pycurl/pycurl
PycURL is a Python interface to `libcurl`_. PycURL can be used to fetch objects
identified by a URL from a Python program, similar to the `urllib`_ Python module.
PycURL is mature, very fast, and supports a lot of features.
Overview
--------
- libcurl is a free and easy-to-use client-side URL transfer library, supporting
FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS, FILE, IMAP,
SMTP, POP3 and RTSP. libcurl supports SSL certificates, HTTP POST, HTTP PUT,
FTP uploading, HTTP form based upload, proxies, cookies, user+password
authentication (Basic, Digest, NTLM, Negotiate, Kerberos4), file transfer
resume, http proxy tunneling and more!
- libcurl is highly portable, it builds and works identically on numerous
platforms, including Solaris, NetBSD, FreeBSD, OpenBSD, Darwin, HPUX, IRIX,
AIX, Tru64, Linux, UnixWare, HURD, Windows, Amiga, OS/2, BeOs, Mac OS X,
Ultrix, QNX, OpenVMS, RISC OS, Novell NetWare, DOS and more...
- libcurl is `free`_, `thread-safe`_, `IPv6 compatible`_, `feature rich`_,
`well supported`_, `fast`_, `thoroughly documented`_ and is already used by
many known, big and successful `companies`_ and numerous `applications`_.
.. _free: http://curl.haxx.se/docs/copyright.html
.. _thread-safe: http://curl.haxx.se/libcurl/features.html#thread
.. _`IPv6 compatible`: http://curl.haxx.se/libcurl/features.html#ipv6
.. _`feature rich`: http://curl.haxx.se/libcurl/features.html#features
.. _`well supported`: http://curl.haxx.se/libcurl/features.html#support
.. _`fast`: http://curl.haxx.se/libcurl/features.html#fast
.. _`thoroughly documented`: http://curl.haxx.se/libcurl/features.html#docs
.. _companies: http://curl.haxx.se/docs/companies.html
.. _applications: http://curl.haxx.se/libcurl/using/apps.html
Requirements
------------
- Python 2.4 through 2.7 or 3.1 through 3.4.
- libcurl 7.19.0 or better.
Installation
------------
Please see INSTALL.rst for installation instructions.
Documentation
-------------
Documentation for the most recent PycURL release is available on
`PycURL website <http://pycurl.sourceforge.net/doc/>`_.
To build documentation from source, run ``make docs``.
Building documentation requires `Sphinx <http://sphinx-doc.org/>`_ to
be installed, as well as pycurl extension module built as docstrings are
extracted from it. Built documentation is stored in ``build/doc``
subdirectory.
Support
-------
For support questions, please use `curl-and-python mailing list`_.
`Mailing list archives`_ are available for your perusal as well.
Although not an official support venue, `Stack Overflow`_ has been quite
popular with PycURL users as well.
Bugs can be reported `via GitHub`_. Please only use GitHub issues when you are
certain you have found a bug in PycURL. If you do not have a patch to fix
the bug, or at least a specific code fragment in PycURL that you believe is
the cause, you should instead post your inquiry to the mailing list.
.. _curl-and-python mailing list: http://cool.haxx.se/mailman/listinfo/curl-and-python
.. _Stack Overflow: http://stackoverflow.com/questions/tagged/pycurl
.. _Mailing list archives: http://curl.haxx.se/mail/list.cgi?list=curl-and-python
.. _via GitHub: https://github.com/pycurl/pycurl/issues
Automated Tests
---------------
PycURL comes with an automated test suite. To run the tests, execute::
make test
The suite depends on packages `nose`_ and `bottle`_, as well as `vsftpd`_.
Some tests use vsftpd configured to accept anonymous uploads. These tests
are not run by default. As configured, vsftpd will allow reads and writes to
anything the user running the tests has read and write access. To run
vsftpd tests you must explicitly set PYCURL_VSFTPD_PATH variable like so::
# use vsftpd in PATH
export PYCURL_VSFTPD_PATH=vsftpd
# specify full path to vsftpd
export PYCURL_VSFTPD_PATH=/usr/local/libexec/vsftpd
These instructions work for Python 2.5 through 2.7 and 3.1 through 3.4.
.. _nose: https://nose.readthedocs.org/
.. _bottle: http://bottlepy.org/
.. _vsftpd: http://vsftpd.beasts.org/
Test Matrix
-----------
The test matrix is a separate framework that runs tests on more esoteric
configurations. It supports:
- Testing against Python 2.4, which bottle does not support.
- Testing against Python compiled without threads, which requires an out of
process test server.
- Testing against locally compiled libcurl with arbitrary options.
To use the test matrix, first you need to start the test server from
Python 2.5+ by running::
python -m tests.appmanager
Then in a different shell, and preferably in a separate user account,
run the test matrix::
# run ftp tests, etc.
export PYCURL_VSFTPD_PATH=vsftpd
# create a new work directory, preferably not under pycurl tree
mkdir testmatrix
cd testmatrix
# run the matrix specifying absolute path
python /path/to/pycurl/tests/matrix.py
The test matrix will download, build and install supported Python versions
and supported libcurl versions, then run pycurl tests against each combination.
To see what the combinations are, look in
`tests/matrix.py <tests/matrix.py>`_.
Contribute
----------
For smaller changes:
#. Fork `the repository`_ on Github.
#. Create a branch off **master**.
#. Make your changes.
#. Write a test which shows that the bug was fixed or that the feature
works as expected.
#. Send a pull request.
#. Check back after 10-15 minutes to see if tests passed on Travis CI.
PycURL supports old Python and libcurl releases and their support is tested
on Travis.
For larger changes:
#. Join the `mailing list`_.
#. Discuss your proposal on the mailing list.
#. When consensus is reached, implement it as described above.
Please contribute binary distributions for your system to the
`downloads repository`_.
License
-------
::
Copyright (C) 2001-2008 by Kjetil Jacobsen <kjetilja at gmail.com>
Copyright (C) 2001-2008 by Markus F.X.J. Oberhumer <markus at oberhumer.com>
Copyright (C) 2013-2014 by Oleg Pudeyev <oleg at bsdpower.com>
All rights reserved.
PycURL is dual licensed under the LGPL and an MIT/X derivative license
based on the cURL license. A full copy of the LGPL license is included
in the file COPYING-LGPL. A full copy of the MIT/X derivative license is
included in the file COPYING-MIT. You can redistribute and/or modify PycURL
according to the terms of either license.
.. _PycURL: http://pycurl.sourceforge.net/
.. _libcurl: http://curl.haxx.se/libcurl/
.. _urllib: http://docs.python.org/library/urllib.html
.. _`the repository`: https://github.com/pycurl/pycurl
.. _`mailing list`: http://cool.haxx.se/mailman/listinfo/curl-and-python
.. _`downloads repository`: https://github.com/pycurl/downloads
|
