Install requests[socks] by default for out of the box SOCKS support

Close #904

CHANGELOG.rst

@@ -9,6 +9,7 @@ This project adheres to `Semantic Versioning <https://semver.org/>`_.
 `2.3.0-dev`_ (unreleased)
 -------------------------
 * Added support for combining cookies specified on the CLI and in a session file (`#932`_).
+* Added out of the box SOCKS support with no extra installation (`#904`_).
 
 
 `2.2.0`_ (2020-06-18)
@@ -456,6 +457,7 @@ This project adheres to `Semantic Versioning <https://semver.org/>`_.
 .. _#870: https://github.com/jakubroztocil/httpie/issues/870
 .. _#895: https://github.com/jakubroztocil/httpie/issues/895
 .. _#920: https://github.com/jakubroztocil/httpie/issues/920
+.. _#904: https://github.com/jakubroztocil/httpie/issues/904
 .. _#925: https://github.com/jakubroztocil/httpie/issues/925
 .. _#932: https://github.com/jakubroztocil/httpie/issues/932
 .. _#934: https://github.com/jakubroztocil/httpie/issues/934

README.rst

@@ -1055,15 +1055,6 @@ In your ``~/.bash_profile``:
 SOCKS
 -----
 
-Homebrew-installed HTTPie comes with SOCKS proxy support out of the box.
-To enable SOCKS proxy support for non-Homebrew  installations, you’ll
-might need to install ``requests[socks]`` manually using ``pip``:
-
-
-.. code-block:: bash
-
-    $ pip install -U requests[socks]
-
 Usage is the same as for other types of `proxies`_:
 
 .. code-block:: bash

setup.py

@@ -37,6 +37,7 @@ tests_require = [
 
 install_requires = [
     'requests>=2.22.0',
+    'requests[socks]>=2.22.0',
     'Pygments>=2.5.2',
 ]
 install_requires_win_only = [