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from datetime import datetime |
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import collections |
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import hashlib |
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import re |
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import unicodedata |
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6
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7
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8
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def all(items): |
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for item in items: |
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if not item: |
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return False |
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return True |
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14
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15
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def dict_path(d, path): |
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if not isinstance(path, (list, tuple)): |
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raise ValueError() |
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for keys in path: |
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if type(keys) is not list: |
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keys = [keys] |
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value = None |
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25
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for key in keys: |
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if key not in d: |
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continue |
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28
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value = d[key] |
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if value is None: |
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value = {} |
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33
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34
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for key in keys: |
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d[key] = value |
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36
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37
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d = value |
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return d |
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41
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42
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def flatten(text): |
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if text is None: |
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return None |
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46
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# Normalize `text` to ascii |
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text = normalize(text) |
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48
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49
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# Remove special characters |
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50
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text = re.sub('[^A-Za-z0-9\s]+', '', text) |
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51
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52
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# Merge duplicate spaces |
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53
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text = ' '.join(text.split()) |
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54
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55
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# Convert to lower-case |
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return text.lower() |
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57
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58
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59
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def json_date_serializer(obj): |
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if isinstance(obj, datetime): |
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return obj.strftime('%Y-%m-%dT%H:%M:%S.%f') |
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63
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raise TypeError('Type %r is not serializable', type(obj)) |
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64
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65
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66
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def merge(a, b, recursive=False): |
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if not b: |
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return a |
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69
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70
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if not recursive: |
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a.update(b) |
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return a |
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73
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74
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# Merge child dictionaries |
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for k, v in b.iteritems(): |
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76
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if isinstance(v, collections.Mapping): |
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r = merge(a.get(k, {}), v, recursive=True) |
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a[k] = r |
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else: |
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a[k] = b[k] |
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81
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82
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return a |
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83
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84
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85
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def md5(value): |
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# Generate MD5 hash of `value` |
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m = hashlib.md5() |
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88
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m.update(value) |
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89
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90
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return m.hexdigest() |
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91
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92
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93
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def normalize(text): |
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if text is None: |
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return None |
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96
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97
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# Normalize unicode characters |
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if type(text) is unicode: |
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99
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text = unicodedata.normalize('NFKD', text) |
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100
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101
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# Ensure text is ASCII, ignore unknown characters |
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return text.encode('ascii', 'ignore') |
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103
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104
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105
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def pms_path(): |
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106
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file_path = __file__.lower() |
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107
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108
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if 'plug-ins' not in file_path: |
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return None |
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110
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111
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return __file__[:file_path.index('plug-ins')] |
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112
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113
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114
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def resolve(value, *args, **kwargs): |
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115
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if hasattr(value, '__call__'): |
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return value(*args, **kwargs) |
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117
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118
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return value |
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119
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120
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121
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1 |
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def to_integer(value): |
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122
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if value is None: |
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123
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return None |
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124
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125
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1 |
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try: |
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return int(value) |
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127
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1 |
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except: |
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128
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1 |
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return None |
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129
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130
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131
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1 |
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def to_tuple(value): |
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132
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1 |
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if type(value) is tuple: |
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133
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1 |
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return value |
|
134
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135
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1 |
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return value, |
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136
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137
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138
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1 |
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def try_convert(value, value_type, default=None): |
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139
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1 |
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try: |
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140
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1 |
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return value_type(value) |
|
141
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1 |
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except ValueError: |
|
142
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1 |
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return default |
|
143
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1 |
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except TypeError: |
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144
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return default |
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145
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It is generally discouraged to redefine built-ins as this makes code very hard to read.