linux_wiki:python

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linux_wiki:python [2018/01/16 10:25]
billdozor [Pip Config]
linux_wiki:python [2019/05/25 23:50] (current)
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 ^  OS  ^  System Package  ^  EPEL  ^  Software Collections  ^ ^  OS  ^  System Package  ^  EPEL  ^  Software Collections  ^
 |  CentOS 6.x  |  2.6.6  |  3.4  |  2.7, 3.3, 3.4  | |  CentOS 6.x  |  2.6.6  |  3.4  |  2.7, 3.3, 3.4  |
-|  CentOS 7.x  |  2.7  |  3.4  |  2.7, 3.3, 3.4, 3.5  |+|  CentOS 7.x  |  2.7  |  3.4, 3.6   2.7, 3.3, 3.4, 3.5  |
  
   * To avoid breaking system packages(ie yum uses python), let system packaged python versions stay maintained by the official repos.   * To avoid breaking system packages(ie yum uses python), let system packaged python versions stay maintained by the official repos.
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 ====== Python3 Install: EPEL ====== ====== Python3 Install: EPEL ======
  
-To install python 3.4 from the EPEL<code bash>yum install python34</code>+To install python 3.4 from the EPEL 
 +  * 3.4<code bash>yum install python34</code> 
 +  * 3.6<code bash>yum install python36</code>
  
 ---- ----
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 ===== Install Pip ===== ===== Install Pip =====
-<code bash> 
-wget https://bootstrap.pypa.io/get-pip.py 
-python get-pip.py 
-</code> 
  
 +Install Pip into a Python environment
 +  * Python2<code bash>wget https://bootstrap.pypa.io/get-pip.py
 +python get-pip.py</code>
 +  * Python3<code bash>wget https://bootstrap.pypa.io/get-pip.py
 +python3.6 get-pip.py</code>
 +
 +\\
 +Install devel packages that many pip builds rely upon
 +  * Python2<code bash>yum install gcc python-devel</code>
 +  * Python3.4<code bash>yum install gcc python34-devel</code>
 +  * Python3.6<code bash>yum install gcc python36-devel</code>
 ===== Pip Commands ===== ===== Pip Commands =====
 +
 +**Python 2 vs Python 3 pip commands**
 +  * **Python 2**<code bash>pip <command></code>
 +  * **Python 3**<code bash>pip3 <command></code>
 +
 +\\
 List installed python modules List installed python modules
 <code bash> <code bash>
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 </code> </code>
  
 +\\
 Show details about a Python module Show details about a Python module
 <code bash> <code bash>
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 </code> </code>
  
 +\\
 Search for a Python module Search for a Python module
 <code bash> <code bash>
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 </code> </code>
  
 +\\
 Install a Python module Install a Python module
 <code bash> <code bash>
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 </code> </code>
  
 +\\
 Upgrade a Python module Upgrade a Python module
 <code bash> <code bash>
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 </code> </code>
  
 +\\
 Upgrade pip Upgrade pip
 <code bash> <code bash>
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 </code> </code>
  
 +\\
 Uninstall Uninstall
 <code bash> <code bash>
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 There is a global config file and per user config file locations. There is a global config file and per user config file locations.
  
 +\\
 **Global pip config file** - example to format columns for all users<code bash>/etc/pip.conf **Global pip config file** - example to format columns for all users<code bash>/etc/pip.conf
 [list] [list]
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 #your config here</code> #your config here</code>
 +
 +----
 +
 +====== Python Modules ======
 +
 +Some commonly installed Python modules.
 +
 +===== Virtualenv =====
 +
 +Virtualenv "is a tool to create isolated Python environments."
 +
 +Site: https://virtualenv.pypa.io/en/stable/
 +
 +  * Python2<code bash>pip install virtualenv</code>
 +  * Python3<code bash>pip3 install virtualenv</code>
 +
 +----
 +
 +===== PipEnv =====
 +
 +PipEnv "automatically creates and manages a virtualenv for your projects, as well as adds/removes packages from your Pipfile as you install/uninstall packages. It also generates the ever–important Pipfile.lock, which is used to produce deterministic builds."
 +
 +Site: https://github.com/pypa/pipenv
 +
 +  * Python2<code bash>pip install pipenv</code>
 +  * Python3<code bash>pip3 install pipenv</code>
 +
 +----
 +
 +===== AWS CLI =====
 +
 +AWS CLI "is a unified tool to manage your AWS services. With just one tool to download and configure, you can control multiple AWS services from the command line and automate them through scripts."
 +
 +Site: https://aws.amazon.com/cli/
 +
 +Pre-Reqs<code bash>yum install expat-devel</code>
 +
 +Install
 +  * Python2<code bash>pip install awscli</code>
 +  * Python3<code bash>pip3 install awscli</code>
 +
 +Verify
 +  * Python2 and Python3<code bash>aws --version</code>
 +
 +==== Cert Verify Failed ====
 +
 +If you are seeing errors while using the aws cli about "SSL: CERTIFICATE_VERIFY_FAILED"
 +  * Point the aws cli to the system ca bundle (**per user**)<code bash>vim ~/.bashrc
 +
 +# AWS CA Bundle
 +export AWS_CA_BUNDLE="/etc/pki/tls/certs/ca-bundle.crt"</code>
 +  * Source the file<code bash>source ~/.bashrc</code>
  
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  • linux_wiki/python.1516116334.txt.gz
  • Last modified: 2019/05/25 23:50
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