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============================
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Introducing Python 3 support
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============================
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.. _Python 2.7 clock: https://pythonclock.org/
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.. sidebar:: Python 2.7 to 3 upgrade
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This chapter exists of historical reasons. Python 2.7 release schedule ends
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(`Python 2.7 clock`_) after 11 years Python 3 exists
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As most operation systems are coming with Python3 installed by default. So it is
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time for searx to support Python3. But don't worry support of Python2.7 won't be
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dropped.
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.. image:: searxpy3.png
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:scale: 50 %
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:alt: hurray
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:align: center
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How to run searx using Python 3
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===============================
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Please make sure that you run at least Python 3.5.
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To run searx, first a Python3 virtualenv should be created. After entering the
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virtualenv, dependencies must be installed. Then run searx with python3 instead
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of the usual python command.
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.. code:: sh
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virtualenv -p python3 venv3
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source venv3/bin/activate
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pip3 install -r requirements.txt
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python3 searx/webapp.py
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If you want to run searx using Python2.7, you don't have to do anything
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differently as before.
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Fun facts
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=========
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- 115 files were changed when implementing the support for both Python versions.
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- All of the dependencies was compatible except for the robotframework used for
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browser tests. Thus, these tests were migrated to splinter. So from now on
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both versions are being tested on Travis and can be tested locally.
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If you found bugs
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=================
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Please open an issue on `GitHub`_. Make sure that you mention your Python
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version in your issue, so we can investigate it properly.
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.. _GitHub: https://github.com/asciimoo/searx/issues
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Acknowledgment
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==============
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This development was sponsored by `NLnet Foundation`_.
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.. _NLnet Foundation: https://nlnet.nl/
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| Happy hacking.
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| kvch // 2017.05.13 22:57
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