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| 1 # -*- coding: utf-8; mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-
offset: 4 -*- vim:fenc=utf-8:ft=python:et:sw=4:ts=4:sts=4 | 1 # -*- coding: utf-8; mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-
offset: 4 -*- vim:fenc=utf-8:ft=python:et:sw=4:ts=4:sts=4 |
| 2 # Copyright (c) 2003-2013 LOGILAB S.A. (Paris, FRANCE). | 2 # Copyright (c) 2003-2013 LOGILAB S.A. (Paris, FRANCE). |
| 3 # http://www.logilab.fr/ -- mailto:contact@logilab.fr | 3 # http://www.logilab.fr/ -- mailto:contact@logilab.fr |
| 4 # | 4 # |
| 5 # This program is free software; you can redistribute it and/or modify it under | 5 # This program is free software; you can redistribute it and/or modify it under |
| 6 # the terms of the GNU General Public License as published by the Free Software | 6 # the terms of the GNU General Public License as published by the Free Software |
| 7 # Foundation; either version 2 of the License, or (at your option) any later | 7 # Foundation; either version 2 of the License, or (at your option) any later |
| 8 # version. | 8 # version. |
| 9 # | 9 # |
| 10 # This program is distributed in the hope that it will be useful, but WITHOUT | 10 # This program is distributed in the hope that it will be useful, but WITHOUT |
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| 38 | 38 |
| 39 pylint a/c/y.py | 39 pylint a/c/y.py |
| 40 | 40 |
| 41 - As this script will be invoked by emacs within the directory of the file | 41 - As this script will be invoked by emacs within the directory of the file |
| 42 we are checking we need to go out of it to avoid these false positives. | 42 we are checking we need to go out of it to avoid these false positives. |
| 43 | 43 |
| 44 | 44 |
| 45 You may also use py_run to run pylint with desired options and get back (or not) | 45 You may also use py_run to run pylint with desired options and get back (or not) |
| 46 its output. | 46 its output. |
| 47 """ | 47 """ |
| 48 from __future__ import print_function |
| 48 | 49 |
| 49 import sys, os | 50 import sys, os |
| 50 import os.path as osp | 51 import os.path as osp |
| 51 from subprocess import Popen, PIPE | 52 from subprocess import Popen, PIPE |
| 52 | 53 |
| 53 def _get_env(): | 54 def _get_env(): |
| 54 '''Extracts the environment PYTHONPATH and appends the current sys.path to | 55 '''Extracts the environment PYTHONPATH and appends the current sys.path to |
| 55 those.''' | 56 those.''' |
| 56 env = dict(os.environ) | 57 env = dict(os.environ) |
| 57 env['PYTHONPATH'] = os.pathsep.join(sys.path) | 58 env['PYTHONPATH'] = os.pathsep.join(sys.path) |
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| 95 | 96 |
| 96 for line in process.stdout: | 97 for line in process.stdout: |
| 97 # remove pylintrc warning | 98 # remove pylintrc warning |
| 98 if line.startswith("No config file found"): | 99 if line.startswith("No config file found"): |
| 99 continue | 100 continue |
| 100 | 101 |
| 101 # modify the file name thats output to reverse the path traversal we mad
e | 102 # modify the file name thats output to reverse the path traversal we mad
e |
| 102 parts = line.split(":") | 103 parts = line.split(":") |
| 103 if parts and parts[0] == child_path: | 104 if parts and parts[0] == child_path: |
| 104 line = ":".join([filename] + parts[1:]) | 105 line = ":".join([filename] + parts[1:]) |
| 105 print line, | 106 print(line, end=' ') |
| 106 | 107 |
| 107 process.wait() | 108 process.wait() |
| 108 return process.returncode | 109 return process.returncode |
| 109 | 110 |
| 110 | 111 |
| 111 def py_run(command_options='', return_std=False, stdout=None, stderr=None, | 112 def py_run(command_options='', return_std=False, stdout=None, stderr=None, |
| 112 script='epylint'): | 113 script='epylint'): |
| 113 """Run pylint from python | 114 """Run pylint from python |
| 114 | 115 |
| 115 ``command_options`` is a string containing ``pylint`` command line options; | 116 ``command_options`` is a string containing ``pylint`` command line options; |
| 116 ``return_std`` (boolean) indicates return of created standart output | 117 ``return_std`` (boolean) indicates return of created standard output |
| 117 and error (see below); | 118 and error (see below); |
| 118 ``stdout`` and ``stderr`` are 'file-like' objects in which standart output | 119 ``stdout`` and ``stderr`` are 'file-like' objects in which standard output |
| 119 could be written. | 120 could be written. |
| 120 | 121 |
| 121 Calling agent is responsible for stdout/err management (creation, close). | 122 Calling agent is responsible for stdout/err management (creation, close). |
| 122 Default standart output and error are those from sys, | 123 Default standard output and error are those from sys, |
| 123 or standalone ones (``subprocess.PIPE``) are used | 124 or standalone ones (``subprocess.PIPE``) are used |
| 124 if they are not set and ``return_std``. | 125 if they are not set and ``return_std``. |
| 125 | 126 |
| 126 If ``return_std`` is set to ``True``, this function returns a 2-uple | 127 If ``return_std`` is set to ``True``, this function returns a 2-uple |
| 127 containing standart output and error related to created process, | 128 containing standard output and error related to created process, |
| 128 as follows: ``(stdout, stderr)``. | 129 as follows: ``(stdout, stderr)``. |
| 129 | 130 |
| 130 A trivial usage could be as follows: | 131 A trivial usage could be as follows: |
| 131 >>> py_run( '--version') | 132 >>> py_run( '--version') |
| 132 No config file found, using default configuration | 133 No config file found, using default configuration |
| 133 pylint 0.18.1, | 134 pylint 0.18.1, |
| 134 ... | 135 ... |
| 135 | 136 |
| 136 To silently run Pylint on a module, and get its standart output and error: | 137 To silently run Pylint on a module, and get its standard output and error: |
| 137 >>> (pylint_stdout, pylint_stderr) = py_run( 'module_name.py', True) | 138 >>> (pylint_stdout, pylint_stderr) = py_run( 'module_name.py', True) |
| 138 """ | 139 """ |
| 139 # Create command line to call pylint | 140 # Create command line to call pylint |
| 140 if os.name == 'nt': | 141 if os.name == 'nt': |
| 141 script += '.bat' | 142 script += '.bat' |
| 142 command_line = script + ' ' + command_options | 143 command_line = script + ' ' + command_options |
| 143 # Providing standart output and/or error if not set | 144 # Providing standard output and/or error if not set |
| 144 if stdout is None: | 145 if stdout is None: |
| 145 if return_std: | 146 if return_std: |
| 146 stdout = PIPE | 147 stdout = PIPE |
| 147 else: | 148 else: |
| 148 stdout = sys.stdout | 149 stdout = sys.stdout |
| 149 if stderr is None: | 150 if stderr is None: |
| 150 if return_std: | 151 if return_std: |
| 151 stderr = PIPE | 152 stderr = PIPE |
| 152 else: | 153 else: |
| 153 stderr = sys.stderr | 154 stderr = sys.stderr |
| 154 # Call pylint in a subprocess | 155 # Call pylint in a subprocess |
| 155 p = Popen(command_line, shell=True, stdout=stdout, stderr=stderr, | 156 p = Popen(command_line, shell=True, stdout=stdout, stderr=stderr, |
| 156 env=_get_env(), universal_newlines=True) | 157 env=_get_env(), universal_newlines=True) |
| 157 p.wait() | 158 p.wait() |
| 158 # Return standart output and error | 159 # Return standard output and error |
| 159 if return_std: | 160 if return_std: |
| 160 return (p.stdout, p.stderr) | 161 return (p.stdout, p.stderr) |
| 161 | 162 |
| 162 | 163 |
| 163 def Run(): | 164 def Run(): |
| 164 if len(sys.argv) == 1: | 165 if len(sys.argv) == 1: |
| 165 print "Usage: %s <filename> [options]" % sys.argv[0] | 166 print("Usage: %s <filename> [options]" % sys.argv[0]) |
| 166 sys.exit(1) | 167 sys.exit(1) |
| 167 elif not osp.exists(sys.argv[1]): | 168 elif not osp.exists(sys.argv[1]): |
| 168 print "%s does not exist" % sys.argv[1] | 169 print("%s does not exist" % sys.argv[1]) |
| 169 sys.exit(1) | 170 sys.exit(1) |
| 170 else: | 171 else: |
| 171 sys.exit(lint(sys.argv[1], sys.argv[2:])) | 172 sys.exit(lint(sys.argv[1], sys.argv[2:])) |
| 172 | 173 |
| 173 | 174 |
| 174 if __name__ == '__main__': | 175 if __name__ == '__main__': |
| 175 Run() | 176 Run() |
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