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Merge pull request #3048 from lopuhin/pypy-install-docs

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[MRG+1] Mention PyPy support, add PyPy to install docs
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Mikhail Korobov 2017-12-25 15:32:50 +05:00 committed by GitHub
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4
docs/faq.rst
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@ -69,9 +69,11 @@ Here's an example spider using BeautifulSoup API, with ``lxml`` as the HTML pars
What Python versions does Scrapy support?
-----------------------------------------
Scrapy is supported under Python 2.7 and Python 3.4+.
Scrapy is supported under Python 2.7 and Python 3.4+
under CPython (default Python implementation) and PyPy (only for Python 2.7).
Python 2.6 support was dropped starting at Scrapy 0.20.
Python 3 support was added in Scrapy 1.1.
PyPy support was added in Scrapy 1.4, PyPy version tested is PyPy2-v5.9.0.
.. note::
For Python 3 support on Windows, it is recommended to use

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docs/intro/install.rst
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@ -7,7 +7,8 @@ Installation guide
Installing Scrapy
=================
Scrapy runs on Python 2.7 and Python 3.4 or above.
Scrapy runs on Python 2.7 and Python 3.4 or above
under CPython (default Python implementation) and PyPy (only for Python 2.7).
If you're using `Anaconda`_ or `Miniconda`_, you can install the package from
the `conda-forge`_ channel, which has up-to-date packages for Linux, Windows
@ -223,6 +224,28 @@ After any of these workarounds you should be able to install Scrapy::
pip install Scrapy
PyPy
----
We recommend using the latest PyPy version. The version tested is PyPy2-v5.9.0.
Most scrapy dependencides now have binary wheels for CPython, but not for PyPy.
This means that these dependecies will be built during installation.
On OS X, you are likely to face an issue with building Cryptography dependency,
solution to this problem is described
`here <https://github.com/pyca/cryptography/issues/2692#issuecomment-272773481>`_,
that is to ``brew install openssl`` and then export the flags that this command
recommends (only needed when installing scrapy). Installing on Linux has no special
issues besides installing build dependencies.
Installing scrapy with PyPy on Windows is not tested.
You can check that scrapy is installed correctly by running ``scrapy bench``.
If this command gives errors such as
``TypeError: ... got 2 unexpected keyword arguments``, this means
that setuptools was unable to pick up one PyPy-specific dependency.
To fix this issue, run ``pip install 'PyPyDispatcher>=2.1.0'``.
.. _Python: https://www.python.org/
.. _pip: https://pip.pypa.io/en/latest/installing/
.. _lxml: http://lxml.de/