105 lines
3.6 KiB
Python
Executable file
105 lines
3.6 KiB
Python
Executable file
#!/usr/bin/env python
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import os
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import stat
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import sys
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def main():
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allowed = set([
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b'#!/bin/bash -eu',
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b'#!/bin/bash -eux',
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b'#!/bin/bash',
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b'#!/bin/sh',
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b'#!/usr/bin/env bash',
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b'#!/usr/bin/env fish',
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b'#!/usr/bin/env pwsh',
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b'#!/usr/bin/env python',
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b'#!/usr/bin/make -f',
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])
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module_shebangs = {
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'': b'#!/usr/bin/python',
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'.py': b'#!/usr/bin/python',
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'.ps1': b'#!powershell',
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}
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skip = set([
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'test/integration/targets/win_module_utils/library/legacy_only_new_way_win_line_ending.ps1',
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'test/integration/targets/win_module_utils/library/legacy_only_old_way_win_line_ending.ps1',
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'test/utils/shippable/timing.py',
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])
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# see https://unicode.org/faq/utf_bom.html#bom1
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byte_order_marks = (
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(b'\x00\x00\xFE\xFF', 'UTF-32 (BE)'),
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(b'\xFF\xFE\x00\x00', 'UTF-32 (LE)'),
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(b'\xFE\xFF', 'UTF-16 (BE)'),
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(b'\xFF\xFE', 'UTF-16 (LE)'),
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(b'\xEF\xBB\xBF', 'UTF-8'),
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)
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for path in sys.argv[1:] or sys.stdin.read().splitlines():
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if path in skip:
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continue
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with open(path, 'rb') as path_fd:
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shebang = path_fd.readline().strip()
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mode = os.stat(path).st_mode
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executable = (stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH) & mode
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if not shebang or not shebang.startswith(b'#!'):
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if executable:
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print('%s:%d:%d: file without shebang should not be executable' % (path, 0, 0))
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for mark, name in byte_order_marks:
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if shebang.startswith(mark):
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print('%s:%d:%d: file starts with a %s byte order mark' % (path, 0, 0, name))
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break
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continue
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is_module = False
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if path.startswith('lib/ansible/modules/'):
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is_module = True
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elif path.startswith('lib/') or path.startswith('test/runner/lib/'):
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if executable:
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print('%s:%d:%d: should not be executable' % (path, 0, 0))
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if shebang:
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print('%s:%d:%d: should not have a shebang' % (path, 0, 0))
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continue
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elif path.startswith('test/integration/targets/'):
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dirname = os.path.dirname(path)
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if dirname.endswith('/library') or dirname in (
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# non-standard module library directories
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'test/integration/targets/module_precedence/lib_no_extension',
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'test/integration/targets/module_precedence/lib_with_extension',
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):
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is_module = True
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if is_module:
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if executable:
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print('%s:%d:%d: module should not be executable' % (path, 0, 0))
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ext = os.path.splitext(path)[1]
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expected_shebang = module_shebangs.get(ext)
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expected_ext = ' or '.join(['"%s"' % k for k in module_shebangs])
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if expected_shebang:
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if shebang == expected_shebang:
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continue
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print('%s:%d:%d: expected module shebang "%s" but found: %s' % (path, 1, 1, expected_shebang, shebang))
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else:
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print('%s:%d:%d: expected module extension %s but found: %s' % (path, 0, 0, expected_ext, ext))
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else:
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if shebang not in allowed:
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print('%s:%d:%d: unexpected non-module shebang: %s' % (path, 1, 1, shebang))
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if __name__ == '__main__':
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main()
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