Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/ruamel/yaml/compat.py @ 0:26e78fe6e8c4 draft

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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 # coding: utf-8
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2
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3 from __future__ import print_function
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4
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5 # partially from package six by Benjamin Peterson
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6
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7 import sys
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8 import os
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9 import types
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10 import traceback
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11 from abc import abstractmethod
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12
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13
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14 # fmt: off
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15 if False: # MYPY
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16 from typing import Any, Dict, Optional, List, Union, BinaryIO, IO, Text, Tuple, Optional # NOQA
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17 # fmt: on
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18
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19 _DEFAULT_YAML_VERSION = (1, 2)
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20
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21 try:
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22 from ruamel.ordereddict import ordereddict
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23 except: # NOQA
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24 try:
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25 from collections import OrderedDict
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26 except ImportError:
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27 from ordereddict import OrderedDict # type: ignore
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28 # to get the right name import ... as ordereddict doesn't do that
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29
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30 class ordereddict(OrderedDict): # type: ignore
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31 if not hasattr(OrderedDict, 'insert'):
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32
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33 def insert(self, pos, key, value):
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34 # type: (int, Any, Any) -> None
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35 if pos >= len(self):
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36 self[key] = value
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37 return
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38 od = ordereddict()
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39 od.update(self)
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40 for k in od:
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41 del self[k]
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42 for index, old_key in enumerate(od):
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43 if pos == index:
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44 self[key] = value
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45 self[old_key] = od[old_key]
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46
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47
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48 PY2 = sys.version_info[0] == 2
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49 PY3 = sys.version_info[0] == 3
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50
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51
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52 if PY3:
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53
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54 def utf8(s):
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55 # type: (str) -> str
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56 return s
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57
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58 def to_str(s):
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59 # type: (str) -> str
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60 return s
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61
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62 def to_unicode(s):
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63 # type: (str) -> str
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64 return s
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65
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66
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67 else:
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68 if False:
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69 unicode = str
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70
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71 def utf8(s):
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72 # type: (unicode) -> str
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73 return s.encode('utf-8')
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74
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75 def to_str(s):
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76 # type: (str) -> str
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77 return str(s)
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78
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79 def to_unicode(s):
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80 # type: (str) -> unicode
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81 return unicode(s) # NOQA
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82
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83
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84 if PY3:
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85 string_types = str
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86 integer_types = int
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87 class_types = type
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88 text_type = str
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89 binary_type = bytes
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90
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91 MAXSIZE = sys.maxsize
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92 unichr = chr
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93 import io
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94
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95 StringIO = io.StringIO
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96 BytesIO = io.BytesIO
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97 # have unlimited precision
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98 no_limit_int = int
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99 from collections.abc import Hashable, MutableSequence, MutableMapping, Mapping # NOQA
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100
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101 else:
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102 string_types = basestring # NOQA
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103 integer_types = (int, long) # NOQA
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104 class_types = (type, types.ClassType)
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105 text_type = unicode # NOQA
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106 binary_type = str
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107
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108 # to allow importing
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109 unichr = unichr # type: ignore
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110 from StringIO import StringIO as _StringIO
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111
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112 StringIO = _StringIO
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113 import cStringIO
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114
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115 BytesIO = cStringIO.StringIO
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116 # have unlimited precision
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117 no_limit_int = long # NOQA not available on Python 3
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118 from collections import Hashable, MutableSequence, MutableMapping, Mapping # NOQA
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119
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120 if False: # MYPY
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121 # StreamType = Union[BinaryIO, IO[str], IO[unicode], StringIO]
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122 # StreamType = Union[BinaryIO, IO[str], StringIO] # type: ignore
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123 StreamType = Any
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124
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125 StreamTextType = Union[Text, StreamType]
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126 VersionType = Union[List[int], str, Tuple[int, int]]
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127
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128 if PY3:
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129 builtins_module = 'builtins'
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130 else:
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131 builtins_module = '__builtin__'
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132
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133 UNICODE_SIZE = 4 if sys.maxunicode > 65535 else 2
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134
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135
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136 def with_metaclass(meta, *bases):
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137 # type: (Any, Any) -> Any
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138 """Create a base class with a metaclass."""
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139 return meta('NewBase', bases, {})
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140
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141
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142 DBG_TOKEN = 1
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143 DBG_EVENT = 2
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144 DBG_NODE = 4
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145
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146
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147 _debug = None # type: Optional[int]
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148 if 'RUAMELDEBUG' in os.environ:
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149 _debugx = os.environ.get('RUAMELDEBUG')
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150 if _debugx is None:
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151 _debug = 0
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152 else:
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153 _debug = int(_debugx)
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154
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155
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156 if bool(_debug):
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157
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158 class ObjectCounter(object):
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159 def __init__(self):
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160 # type: () -> None
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161 self.map = {} # type: Dict[Any, Any]
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162
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163 def __call__(self, k):
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164 # type: (Any) -> None
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165 self.map[k] = self.map.get(k, 0) + 1
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166
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167 def dump(self):
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168 # type: () -> None
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169 for k in sorted(self.map):
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170 sys.stdout.write('{} -> {}'.format(k, self.map[k]))
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171
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172 object_counter = ObjectCounter()
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173
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174
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175 # used from yaml util when testing
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176 def dbg(val=None):
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177 # type: (Any) -> Any
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178 global _debug
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179 if _debug is None:
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180 # set to true or false
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181 _debugx = os.environ.get('YAMLDEBUG')
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182 if _debugx is None:
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183 _debug = 0
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184 else:
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185 _debug = int(_debugx)
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186 if val is None:
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187 return _debug
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188 return _debug & val
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189
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190
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191 class Nprint(object):
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192 def __init__(self, file_name=None):
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193 # type: (Any) -> None
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194 self._max_print = None # type: Any
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195 self._count = None # type: Any
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196 self._file_name = file_name
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197
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198 def __call__(self, *args, **kw):
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199 # type: (Any, Any) -> None
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200 if not bool(_debug):
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201 return
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202 out = sys.stdout if self._file_name is None else open(self._file_name, 'a')
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203 dbgprint = print # to fool checking for print statements by dv utility
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204 kw1 = kw.copy()
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205 kw1['file'] = out
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206 dbgprint(*args, **kw1)
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207 out.flush()
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208 if self._max_print is not None:
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209 if self._count is None:
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210 self._count = self._max_print
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211 self._count -= 1
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212 if self._count == 0:
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213 dbgprint('forced exit\n')
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214 traceback.print_stack()
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215 out.flush()
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216 sys.exit(0)
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217 if self._file_name:
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218 out.close()
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219
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220 def set_max_print(self, i):
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221 # type: (int) -> None
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222 self._max_print = i
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223 self._count = None
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224
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225
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226 nprint = Nprint()
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227 nprintf = Nprint('/var/tmp/ruamel.yaml.log')
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228
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229 # char checkers following production rules
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230
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231
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232 def check_namespace_char(ch):
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233 # type: (Any) -> bool
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234 if u'\x21' <= ch <= u'\x7E': # ! to ~
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235 return True
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236 if u'\xA0' <= ch <= u'\uD7FF':
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237 return True
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238 if (u'\uE000' <= ch <= u'\uFFFD') and ch != u'\uFEFF': # excl. byte order mark
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239 return True
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240 if u'\U00010000' <= ch <= u'\U0010FFFF':
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241 return True
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242 return False
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243
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244
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245 def check_anchorname_char(ch):
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246 # type: (Any) -> bool
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247 if ch in u',[]{}':
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248 return False
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249 return check_namespace_char(ch)
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250
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251
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252 def version_tnf(t1, t2=None):
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253 # type: (Any, Any) -> Any
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254 """
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255 return True if ruamel.yaml version_info < t1, None if t2 is specified and bigger else False
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256 """
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257 from ruamel.yaml import version_info # NOQA
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258
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259 if version_info < t1:
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260 return True
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261 if t2 is not None and version_info < t2:
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262 return None
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263 return False
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264
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265
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266 class MutableSliceableSequence(MutableSequence): # type: ignore
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267 __slots__ = ()
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268
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269 def __getitem__(self, index):
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270 # type: (Any) -> Any
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271 if not isinstance(index, slice):
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272 return self.__getsingleitem__(index)
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273 return type(self)([self[i] for i in range(*index.indices(len(self)))]) # type: ignore
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274
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275 def __setitem__(self, index, value):
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276 # type: (Any, Any) -> None
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277 if not isinstance(index, slice):
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278 return self.__setsingleitem__(index, value)
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279 assert iter(value)
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280 # nprint(index.start, index.stop, index.step, index.indices(len(self)))
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281 if index.step is None:
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282 del self[index.start : index.stop]
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283 for elem in reversed(value):
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284 self.insert(0 if index.start is None else index.start, elem)
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285 else:
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286 range_parms = index.indices(len(self))
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287 nr_assigned_items = (range_parms[1] - range_parms[0] - 1) // range_parms[2] + 1
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288 # need to test before changing, in case TypeError is caught
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289 if nr_assigned_items < len(value):
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290 raise TypeError(
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291 'too many elements in value {} < {}'.format(nr_assigned_items, len(value))
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292 )
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293 elif nr_assigned_items > len(value):
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294 raise TypeError(
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295 'not enough elements in value {} > {}'.format(
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296 nr_assigned_items, len(value)
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297 )
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298 )
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299 for idx, i in enumerate(range(*range_parms)):
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300 self[i] = value[idx]
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301
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302 def __delitem__(self, index):
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303 # type: (Any) -> None
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304 if not isinstance(index, slice):
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305 return self.__delsingleitem__(index)
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306 # nprint(index.start, index.stop, index.step, index.indices(len(self)))
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307 for i in reversed(range(*index.indices(len(self)))):
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308 del self[i]
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309
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310 @abstractmethod
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311 def __getsingleitem__(self, index):
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312 # type: (Any) -> Any
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313 raise IndexError
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314
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315 @abstractmethod
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316 def __setsingleitem__(self, index, value):
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317 # type: (Any, Any) -> None
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318 raise IndexError
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319
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320 @abstractmethod
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321 def __delsingleitem__(self, index):
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322 # type: (Any) -> None
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323 raise IndexError