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1
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1 |
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import logging |
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2
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1 |
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import os |
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3
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4
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1 |
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log = logging.getLogger(__name__) |
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5
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6
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1 |
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shared_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..')) |
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7
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8
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9
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1 |
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def import_modules(directory, include=None, exclude=None): |
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10
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1 |
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base_name = os.path.relpath(directory, shared_dir).replace(os.path.sep, '.') |
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11
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12
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1 |
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log.debug('Importing modules from: %s', base_name) |
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13
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14
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1 |
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for name in os.listdir(directory): |
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15
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# Match `name` against filters |
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16
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1 |
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if include and name not in include: |
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continue |
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18
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19
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1 |
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if exclude and name in exclude: |
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20
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1 |
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continue |
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21
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22
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# Build module path |
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23
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1 |
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path = os.path.join(directory, name) |
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24
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25
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# Check if `path` has a valid module |
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26
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1 |
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if not is_module(path, name): |
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27
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continue |
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28
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29
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# Import module |
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30
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1 |
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if not import_module(path, base_name, name): |
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31
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log.warn('Unable to import module: %r', name) |
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32
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33
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34
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1 |
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def import_module(path, base_name, name): |
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35
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# Get full module name |
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36
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1 |
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full_name = get_name(path, base_name, name) |
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37
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38
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1 |
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if full_name is None: |
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39
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return False |
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40
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41
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# Try import module |
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42
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1 |
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try: |
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43
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1 |
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__import__(full_name) |
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44
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1 |
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return True |
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45
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except Exception, ex: |
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46
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log.error('Exception raised trying to import module %r: %s', full_name, ex, exc_info=True) |
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47
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48
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return False |
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49
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50
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51
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1 |
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def get_name(path, base_name, name): |
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52
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# Strip extension from module files |
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53
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1 |
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if os.path.isfile(path): |
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54
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1 |
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name, _ = os.path.splitext(name) |
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55
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56
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# Return file module name |
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57
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1 |
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return '%s.%s' % ( |
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58
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base_name, |
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59
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name |
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60
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) |
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61
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62
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63
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1 |
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def is_module(path, name): |
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64
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# Check module file is valid |
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65
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1 |
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if os.path.isfile(path): |
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66
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1 |
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return is_module_file(path, name) |
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67
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68
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# Check module directory is valid |
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69
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1 |
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if os.path.isdir(path): |
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70
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1 |
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return is_module_directory(path, name) |
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71
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72
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1 |
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return False |
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73
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74
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75
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1 |
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def is_module_directory(path, name): |
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76
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# Ignore directories without an "__init__.py" file |
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77
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1 |
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if not os.path.exists(os.path.join(path, '__init__.py')): |
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78
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1 |
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return False |
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79
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80
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# Ignore directories with a "." or "_" prefix |
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81
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1 |
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if name.startswith('.') or name.startswith('_'): |
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82
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1 |
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log.info('Ignoring invalid module: %r', path) |
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83
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1 |
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return False |
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84
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85
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# Ignore directories with a "." suffix |
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86
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1 |
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if name.endswith('.'): |
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87
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1 |
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log.info('Ignoring invalid module: %r', path) |
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88
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1 |
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return False |
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89
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90
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1 |
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return True |
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91
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92
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93
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1 |
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def is_module_file(path, name): |
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94
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# Ignore files without the "*.py" extension |
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95
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1 |
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if not name.endswith('.py'): |
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96
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1 |
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return False |
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97
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|
98
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# Split extension from `name` |
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99
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1 |
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name, _ = os.path.splitext(name) |
|
100
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101
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# Ignore files with a "." or "_" prefix |
|
102
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1 |
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if name.startswith('.') or name.startswith('_'): |
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103
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1 |
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log.info('Ignoring invalid module: %r', path) |
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104
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1 |
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return False |
|
105
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|
106
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# Ignore files with a "." suffix |
|
107
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1 |
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if name.endswith('.'): |
|
108
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1 |
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log.info('Ignoring invalid module: %r', path) |
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109
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1 |
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return False |
|
110
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111
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# Valid module |
|
112
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return True |
|
113
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