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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 Metadata-Version: 2.0
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2 Name: shellescape
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3 Version: 3.4.1
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4 Summary: Shell escape a string to safely use it as a token in a shell command (backport of Python shlex.quote for Python versions 2.x & < 3.3)
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5 Home-page: https://github.com/chrissimpkins/shellescape
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6 Author: Christopher Simpkins
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7 Author-email: git.simpkins@gmail.com
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8 License: MIT license
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9 Keywords: shell,quote,escape,backport,command line,command,subprocess
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10 Platform: any
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11 Classifier: Development Status :: 5 - Production/Stable
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12 Classifier: Intended Audience :: Developers
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13 Classifier: Natural Language :: English
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14 Classifier: License :: OSI Approved :: MIT License
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15 Classifier: Programming Language :: Python
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16 Classifier: Programming Language :: Python :: 2
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17 Classifier: Programming Language :: Python :: 3
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18 Classifier: Operating System :: MacOS :: MacOS X
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19 Classifier: Operating System :: POSIX
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20 Classifier: Operating System :: Unix
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21 Classifier: Operating System :: Microsoft :: Windows
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22
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23 Source Repository: https://github.com/chrissimpkins/shellescape
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24
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25 Description
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26 -----------
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27
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28 The shellescape Python module defines the ``shellescape.quote()`` function that returns a shell-escaped version of a Python string. This is a backport of the ``shlex.quote()`` function from Python 3.4.3 that makes it accessible to users of Python 3 versions < 3.3 and all Python 2.x versions.
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29
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30 quote(s)
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31 --------
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32
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33 >From the Python documentation:
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34
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35 Return a shell-escaped version of the string s. The returned value is a string that can safely be used as one token in a shell command line, for cases where you cannot use a list.
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36
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37 This idiom would be unsafe:
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38
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39 .. code-block:: python
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40
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41 >>> filename = 'somefile; rm -rf ~'
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42 >>> command = 'ls -l {}'.format(filename)
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43 >>> print(command) # executed by a shell: boom!
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44 ls -l somefile; rm -rf ~
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45
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46
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47 ``quote()`` lets you plug the security hole:
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48
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49 .. code-block:: python
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50
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51 >>> command = 'ls -l {}'.format(quote(filename))
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52 >>> print(command)
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53 ls -l 'somefile; rm -rf ~'
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54 >>> remote_command = 'ssh home {}'.format(quote(command))
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55 >>> print(remote_command)
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56 ssh home 'ls -l '"'"'somefile; rm -rf ~'"'"''
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57
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58
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59 The quoting is compatible with UNIX shells and with ``shlex.split()``:
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60
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61 .. code-block:: python
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62
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63 >>> remote_command = split(remote_command)
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64 >>> remote_command
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65 ['ssh', 'home', "ls -l 'somefile; rm -rf ~'"]
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66 >>> command = split(remote_command[-1])
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67 >>> command
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68 ['ls', '-l', 'somefile; rm -rf ~']
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69
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70
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71 Usage
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72 -----
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73
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74 Include ``shellescape`` in your project setup.py file ``install_requires`` dependency definition list:
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75
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76 .. code-block:: python
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77
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78 setup(
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79 ...
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80 install_requires=['shellescape'],
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81 ...
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82 )
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83
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84
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85 Then import the ``quote`` function into your module(s) and use it as needed:
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86
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87 .. code-block:: python
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88
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89 #!/usr/bin/env python
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90 # -*- coding: utf-8 -*-
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91
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92 from shellescape import quote
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93
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94 filename = "somefile; rm -rf ~"
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95 escaped_shell_command = 'ls -l {}'.format(quote(filename))
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96
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97
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98 Issue Reporting
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99 ---------------
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100
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101 Issue reporting is available on the `GitHub repository <https://github.com/chrissimpkins/shellescape/issues>`_
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