Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/ruamel/yaml/tokens.py @ 3:758bc20232e8 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 # # header
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2 # coding: utf-8
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3
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4 from __future__ import unicode_literals
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5
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6 if False: # MYPY
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7 from typing import Text, Any, Dict, Optional, List # NOQA
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8 from .error import StreamMark # NOQA
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9
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10 SHOWLINES = True
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11
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12
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13 class Token(object):
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14 __slots__ = 'start_mark', 'end_mark', '_comment'
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15
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16 def __init__(self, start_mark, end_mark):
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17 # type: (StreamMark, StreamMark) -> None
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18 self.start_mark = start_mark
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19 self.end_mark = end_mark
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20
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21 def __repr__(self):
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22 # type: () -> Any
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23 # attributes = [key for key in self.__slots__ if not key.endswith('_mark') and
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24 # hasattr('self', key)]
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25 attributes = [key for key in self.__slots__ if not key.endswith('_mark')]
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26 attributes.sort()
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27 arguments = ', '.join(['%s=%r' % (key, getattr(self, key)) for key in attributes])
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28 if SHOWLINES:
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29 try:
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30 arguments += ', line: ' + str(self.start_mark.line)
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31 except: # NOQA
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32 pass
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33 try:
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34 arguments += ', comment: ' + str(self._comment)
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35 except: # NOQA
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36 pass
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37 return '{}({})'.format(self.__class__.__name__, arguments)
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38
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39 def add_post_comment(self, comment):
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40 # type: (Any) -> None
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41 if not hasattr(self, '_comment'):
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42 self._comment = [None, None]
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43 self._comment[0] = comment
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44
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45 def add_pre_comments(self, comments):
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46 # type: (Any) -> None
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47 if not hasattr(self, '_comment'):
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48 self._comment = [None, None]
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49 assert self._comment[1] is None
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50 self._comment[1] = comments
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51
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52 def get_comment(self):
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53 # type: () -> Any
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54 return getattr(self, '_comment', None)
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55
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56 @property
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57 def comment(self):
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58 # type: () -> Any
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59 return getattr(self, '_comment', None)
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60
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61 def move_comment(self, target, empty=False):
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62 # type: (Any, bool) -> Any
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63 """move a comment from this token to target (normally next token)
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64 used to combine e.g. comments before a BlockEntryToken to the
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65 ScalarToken that follows it
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66 empty is a special for empty values -> comment after key
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67 """
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68 c = self.comment
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69 if c is None:
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70 return
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71 # don't push beyond last element
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72 if isinstance(target, (StreamEndToken, DocumentStartToken)):
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73 return
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74 delattr(self, '_comment')
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75 tc = target.comment
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76 if not tc: # target comment, just insert
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77 # special for empty value in key: value issue 25
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78 if empty:
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79 c = [c[0], c[1], None, None, c[0]]
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80 target._comment = c
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81 # nprint('mco2:', self, target, target.comment, empty)
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82 return self
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83 if c[0] and tc[0] or c[1] and tc[1]:
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84 raise NotImplementedError('overlap in comment %r %r' % (c, tc))
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85 if c[0]:
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86 tc[0] = c[0]
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87 if c[1]:
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88 tc[1] = c[1]
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89 return self
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90
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91 def split_comment(self):
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92 # type: () -> Any
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93 """ split the post part of a comment, and return it
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94 as comment to be added. Delete second part if [None, None]
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95 abc: # this goes to sequence
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96 # this goes to first element
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97 - first element
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98 """
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99 comment = self.comment
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100 if comment is None or comment[0] is None:
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101 return None # nothing to do
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102 ret_val = [comment[0], None]
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103 if comment[1] is None:
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104 delattr(self, '_comment')
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105 return ret_val
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106
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107
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108 # class BOMToken(Token):
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109 # id = '<byte order mark>'
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110
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111
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112 class DirectiveToken(Token):
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113 __slots__ = 'name', 'value'
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114 id = '<directive>'
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115
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116 def __init__(self, name, value, start_mark, end_mark):
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117 # type: (Any, Any, Any, Any) -> None
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118 Token.__init__(self, start_mark, end_mark)
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119 self.name = name
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120 self.value = value
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121
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122
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123 class DocumentStartToken(Token):
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124 __slots__ = ()
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125 id = '<document start>'
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126
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127
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128 class DocumentEndToken(Token):
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129 __slots__ = ()
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130 id = '<document end>'
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131
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132
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133 class StreamStartToken(Token):
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134 __slots__ = ('encoding',)
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135 id = '<stream start>'
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136
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137 def __init__(self, start_mark=None, end_mark=None, encoding=None):
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138 # type: (Any, Any, Any) -> None
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139 Token.__init__(self, start_mark, end_mark)
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140 self.encoding = encoding
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141
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142
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143 class StreamEndToken(Token):
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144 __slots__ = ()
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145 id = '<stream end>'
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146
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147
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148 class BlockSequenceStartToken(Token):
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149 __slots__ = ()
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150 id = '<block sequence start>'
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151
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152
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153 class BlockMappingStartToken(Token):
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154 __slots__ = ()
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155 id = '<block mapping start>'
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156
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157
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158 class BlockEndToken(Token):
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159 __slots__ = ()
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160 id = '<block end>'
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161
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162
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163 class FlowSequenceStartToken(Token):
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164 __slots__ = ()
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165 id = '['
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166
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167
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168 class FlowMappingStartToken(Token):
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169 __slots__ = ()
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170 id = '{'
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171
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172
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173 class FlowSequenceEndToken(Token):
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174 __slots__ = ()
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175 id = ']'
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176
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177
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178 class FlowMappingEndToken(Token):
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179 __slots__ = ()
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180 id = '}'
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181
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182
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183 class KeyToken(Token):
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184 __slots__ = ()
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185 id = '?'
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186
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187 # def x__repr__(self):
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188 # return 'KeyToken({})'.format(
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189 # self.start_mark.buffer[self.start_mark.index:].split(None, 1)[0])
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190
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191
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192 class ValueToken(Token):
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193 __slots__ = ()
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194 id = ':'
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195
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196
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197 class BlockEntryToken(Token):
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198 __slots__ = ()
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199 id = '-'
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200
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201
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202 class FlowEntryToken(Token):
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203 __slots__ = ()
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204 id = ','
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205
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206
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207 class AliasToken(Token):
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208 __slots__ = ('value',)
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209 id = '<alias>'
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210
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211 def __init__(self, value, start_mark, end_mark):
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212 # type: (Any, Any, Any) -> None
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213 Token.__init__(self, start_mark, end_mark)
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214 self.value = value
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215
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216
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217 class AnchorToken(Token):
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218 __slots__ = ('value',)
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219 id = '<anchor>'
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220
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221 def __init__(self, value, start_mark, end_mark):
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222 # type: (Any, Any, Any) -> None
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223 Token.__init__(self, start_mark, end_mark)
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224 self.value = value
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225
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226
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227 class TagToken(Token):
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228 __slots__ = ('value',)
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229 id = '<tag>'
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230
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231 def __init__(self, value, start_mark, end_mark):
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232 # type: (Any, Any, Any) -> None
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233 Token.__init__(self, start_mark, end_mark)
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234 self.value = value
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235
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236
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237 class ScalarToken(Token):
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238 __slots__ = 'value', 'plain', 'style'
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239 id = '<scalar>'
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240
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241 def __init__(self, value, plain, start_mark, end_mark, style=None):
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242 # type: (Any, Any, Any, Any, Any) -> None
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243 Token.__init__(self, start_mark, end_mark)
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244 self.value = value
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245 self.plain = plain
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246 self.style = style
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247
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248
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249 class CommentToken(Token):
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250 __slots__ = 'value', 'pre_done'
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251 id = '<comment>'
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252
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253 def __init__(self, value, start_mark, end_mark):
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254 # type: (Any, Any, Any) -> None
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255 Token.__init__(self, start_mark, end_mark)
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256 self.value = value
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257
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258 def reset(self):
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259 # type: () -> None
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260 if hasattr(self, 'pre_done'):
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261 delattr(self, 'pre_done')
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262
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263 def __repr__(self):
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264 # type: () -> Any
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265 v = '{!r}'.format(self.value)
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266 if SHOWLINES:
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267 try:
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268 v += ', line: ' + str(self.start_mark.line)
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269 v += ', col: ' + str(self.start_mark.column)
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270 except: # NOQA
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271 pass
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272 return 'CommentToken({})'.format(v)
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273
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274 def __eq__(self, other):
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275 if self.start_mark != other.start_mark:
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276 return False
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277 if self.end_mark != other.end_mark:
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278 return False
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279 if self.value != other.value:
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280 return False
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281 return True
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282
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283 def __ne__(self, other):
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284 return not self.__eq__(other)