python3 support
This commit is contained in:
wagoodman
parent
3e34e7b53b
commit
4949162dc8
1 changed files with 330 additions and 330 deletions
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@ -1,330 +1,330 @@
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# MIT License
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# MIT License
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#
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#
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# Copyright (c) 2016 Alex Goodman
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# Copyright (c) 2016 Alex Goodman
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#
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy of
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# Permission is hereby granted, free of charge, to any person obtaining a copy of
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# this software and associated documentation files (the "Software"), to deal in
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# this software and associated documentation files (the "Software"), to deal in
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# the Software without restriction, including without limitation the rights to
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# the Software without restriction, including without limitation the rights to
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# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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# of the Software, and to permit persons to whom the Software is furnished to do
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# of the Software, and to permit persons to whom the Software is furnished to do
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# so, subject to the following conditions:
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# so, subject to the following conditions:
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#
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#
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# The above copyright notice and this permission notice shall be included in all
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# copies or substantial portions of the Software.
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#
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# SOFTWARE.
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import sys
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import sys
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import difflib
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import difflib
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import argparse
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import argparse
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import StringIO
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import io
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import pygments
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import pygments
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from pygments.lexers import guess_lexer_for_filename
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from pygments.lexers import guess_lexer_for_filename
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from pygments.lexer import RegexLexer
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from pygments.lexer import RegexLexer
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from pygments.formatters import HtmlFormatter
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from pygments.formatters import HtmlFormatter
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from pygments.token import *
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from pygments.token import *
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class DefaultLexer(RegexLexer):
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class DefaultLexer(RegexLexer):
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"""
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"""
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Simply lex each line as a token.
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Simply lex each line as a token.
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"""
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"""
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name = 'Default'
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name = 'Default'
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aliases = ['default']
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aliases = ['default']
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filenames = ['*']
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filenames = ['*']
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tokens = {
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tokens = {
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'root': [
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'root': [
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(r'.*\n', Text),
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(r'.*\n', Text),
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]
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]
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}
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}
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class DiffHtmlFormatter(HtmlFormatter):
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class DiffHtmlFormatter(HtmlFormatter):
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"""
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"""
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Formats a single source file with pygments and adds diff highlights based on the
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Formats a single source file with pygments and adds diff highlights based on the
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diff details given.
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diff details given.
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"""
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"""
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isLeft = False
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isLeft = False
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diffs = None
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diffs = None
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def __init__(self, isLeft, diffs, *args, **kwargs):
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def __init__(self, isLeft, diffs, *args, **kwargs):
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self.isLeft = isLeft
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self.isLeft = isLeft
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self.diffs = diffs
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self.diffs = diffs
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super(DiffHtmlFormatter, self).__init__(*args, **kwargs)
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super(DiffHtmlFormatter, self).__init__(*args, **kwargs)
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def wrap(self, source, outfile):
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def wrap(self, source, outfile):
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return self._wrap_code(source)
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return self._wrap_code(source)
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def getDiffLineNos(self):
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def getDiffLineNos(self):
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retlinenos = []
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retlinenos = []
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for idx, ((left_no, left_line),(right_no, right_line),change) in enumerate(self.diffs):
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for idx, ((left_no, left_line),(right_no, right_line),change) in enumerate(self.diffs):
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no = None
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no = None
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if self.isLeft:
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if self.isLeft:
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if change:
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if change:
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if isinstance(left_no, int) and isinstance(right_no, int):
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if isinstance(left_no, int) and isinstance(right_no, int):
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no = '<span class="lineno_q lineno_leftchange">' + str(left_no) + "</span>"
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no = '<span class="lineno_q lineno_leftchange">' + str(left_no) + "</span>"
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elif isinstance(left_no, int) and not isinstance(right_no, int):
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elif isinstance(left_no, int) and not isinstance(right_no, int):
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no = '<span class="lineno_q lineno_leftdel">' + str(left_no) + "</span>"
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no = '<span class="lineno_q lineno_leftdel">' + str(left_no) + "</span>"
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elif not isinstance(left_no, int) and isinstance(right_no, int):
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elif not isinstance(left_no, int) and isinstance(right_no, int):
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no = '<span class="lineno_q lineno_leftadd"> </span>'
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no = '<span class="lineno_q lineno_leftadd"> </span>'
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else:
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else:
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no = '<span class="lineno_q">' + str(left_no) + "</span>"
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no = '<span class="lineno_q">' + str(left_no) + "</span>"
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else:
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else:
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if change:
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if change:
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if isinstance(left_no, int) and isinstance(right_no, int):
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if isinstance(left_no, int) and isinstance(right_no, int):
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no = '<span class="lineno_q lineno_rightchange">' + str(right_no) + "</span>"
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no = '<span class="lineno_q lineno_rightchange">' + str(right_no) + "</span>"
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elif isinstance(left_no, int) and not isinstance(right_no, int):
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elif isinstance(left_no, int) and not isinstance(right_no, int):
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no = '<span class="lineno_q lineno_rightdel"> </span>'
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no = '<span class="lineno_q lineno_rightdel"> </span>'
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elif not isinstance(left_no, int) and isinstance(right_no, int):
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elif not isinstance(left_no, int) and isinstance(right_no, int):
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no = '<span class="lineno_q lineno_rightadd">' + str(right_no) + "</span>"
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no = '<span class="lineno_q lineno_rightadd">' + str(right_no) + "</span>"
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else:
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else:
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no = '<span class="lineno_q">' + str(right_no) + "</span>"
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no = '<span class="lineno_q">' + str(right_no) + "</span>"
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retlinenos.append(no)
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retlinenos.append(no)
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return retlinenos
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return retlinenos
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def _wrap_code(self, source):
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def _wrap_code(self, source):
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source = list(source)
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source = list(source)
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yield 0, '<pre>'
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yield 0, '<pre>'
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for idx, ((left_no, left_line),(right_no, right_line),change) in enumerate(self.diffs):
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for idx, ((left_no, left_line),(right_no, right_line),change) in enumerate(self.diffs):
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#print idx, ((left_no, left_line),(right_no, right_line),change)
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#print idx, ((left_no, left_line),(right_no, right_line),change)
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try:
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try:
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if self.isLeft:
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if self.isLeft:
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if change:
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if change:
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if isinstance(left_no, int) and isinstance(right_no, int) and left_no <= len(source):
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if isinstance(left_no, int) and isinstance(right_no, int) and left_no <= len(source):
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i,t = source[left_no-1]
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i,t = source[left_no-1]
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t = '<span class="left_diff_change">' + t + "</span>"
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t = '<span class="left_diff_change">' + t + "</span>"
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elif isinstance(left_no, int) and not isinstance(right_no, int) and left_no <= len(source):
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elif isinstance(left_no, int) and not isinstance(right_no, int) and left_no <= len(source):
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i,t = source[left_no-1]
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i,t = source[left_no-1]
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t = '<span class="left_diff_del">' + t + "</span>"
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t = '<span class="left_diff_del">' + t + "</span>"
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elif not isinstance(left_no, int) and isinstance(right_no, int):
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elif not isinstance(left_no, int) and isinstance(right_no, int):
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i,t = 1, left_line
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i,t = 1, left_line
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t = '<span class="left_diff_add">' + t + "</span>"
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t = '<span class="left_diff_add">' + t + "</span>"
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else:
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else:
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raise
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raise
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else:
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else:
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if left_no <= len(source):
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if left_no <= len(source):
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i,t = source[left_no-1]
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i,t = source[left_no-1]
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else:
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else:
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i = 1
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i = 1
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t = left_line
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t = left_line
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else:
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else:
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if change:
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if change:
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if isinstance(left_no, int) and isinstance(right_no, int) and right_no <= len(source):
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if isinstance(left_no, int) and isinstance(right_no, int) and right_no <= len(source):
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i,t = source[right_no-1]
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i,t = source[right_no-1]
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t = '<span class="right_diff_change">' + t + "</span>"
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t = '<span class="right_diff_change">' + t + "</span>"
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elif isinstance(left_no, int) and not isinstance(right_no, int):
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elif isinstance(left_no, int) and not isinstance(right_no, int):
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i,t = 1, right_line
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i,t = 1, right_line
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t = '<span class="right_diff_del">' + t + "</span>"
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t = '<span class="right_diff_del">' + t + "</span>"
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elif not isinstance(left_no, int) and isinstance(right_no, int) and right_no <= len(source):
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elif not isinstance(left_no, int) and isinstance(right_no, int) and right_no <= len(source):
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i,t = source[right_no-1]
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i,t = source[right_no-1]
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t = '<span class="right_diff_add">' + t + "</span>"
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t = '<span class="right_diff_add">' + t + "</span>"
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else:
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else:
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raise
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raise
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else:
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else:
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if right_no <= len(source):
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if right_no <= len(source):
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i,t = source[right_no-1]
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i,t = source[right_no-1]
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else:
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else:
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i = 1
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i = 1
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t = right_line
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t = right_line
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yield i, t
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yield i, t
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except:
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except:
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#print "WARNING! failed to enumerate diffs fully!"
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#print "WARNING! failed to enumerate diffs fully!"
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pass # this is expected sometimes
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pass # this is expected sometimes
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yield 0, '\n</pre>'
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yield 0, '\n</pre>'
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def _wrap_tablelinenos(self, inner):
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def _wrap_tablelinenos(self, inner):
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dummyoutfile = StringIO.StringIO()
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dummyoutfile = io.StringIO()
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lncount = 0
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lncount = 0
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for t, line in inner:
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for t, line in inner:
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if t:
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if t:
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lncount += 1
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lncount += 1
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dummyoutfile.write(line)
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dummyoutfile.write(line)
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fl = self.linenostart
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fl = self.linenostart
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mw = len(str(lncount + fl - 1))
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mw = len(str(lncount + fl - 1))
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sp = self.linenospecial
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sp = self.linenospecial
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st = self.linenostep
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st = self.linenostep
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la = self.lineanchors
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la = self.lineanchors
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aln = self.anchorlinenos
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aln = self.anchorlinenos
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nocls = self.noclasses
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nocls = self.noclasses
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lines = []
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lines = []
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for i in self.getDiffLineNos():
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for i in self.getDiffLineNos():
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lines.append('%s' % (i,))
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lines.append('%s' % (i,))
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ls = ''.join(lines)
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ls = ''.join(lines)
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# in case you wonder about the seemingly redundant <div> here: since the
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# in case you wonder about the seemingly redundant <div> here: since the
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# content in the other cell also is wrapped in a div, some browsers in
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# content in the other cell also is wrapped in a div, some browsers in
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# some configurations seem to mess up the formatting...
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# some configurations seem to mess up the formatting...
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if nocls:
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if nocls:
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yield 0, ('<table class="%stable">' % self.cssclass +
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yield 0, ('<table class="%stable">' % self.cssclass +
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'<tr><td><div class="linenodiv" '
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'<tr><td><div class="linenodiv" '
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'style="background-color: #f0f0f0; padding-right: 10px">'
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'style="background-color: #f0f0f0; padding-right: 10px">'
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'<pre style="line-height: 125%">' +
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'<pre style="line-height: 125%">' +
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ls + '</pre></div></td><td class="code">')
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ls + '</pre></div></td><td class="code">')
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else:
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else:
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yield 0, ('<table class="%stable">' % self.cssclass +
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yield 0, ('<table class="%stable">' % self.cssclass +
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'<tr><td class="linenos"><div class="linenodiv"><pre>' +
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'<tr><td class="linenos"><div class="linenodiv"><pre>' +
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ls + '</pre></div></td><td class="code">')
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ls + '</pre></div></td><td class="code">')
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yield 0, dummyoutfile.getvalue()
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yield 0, dummyoutfile.getvalue()
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yield 0, '</td></tr></table>'
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yield 0, '</td></tr></table>'
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class CodeDiff(object):
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class CodeDiff(object):
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"""
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"""
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Manages a pair of source files and generates a single html diff page comparing
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Manages a pair of source files and generates a single html diff page comparing
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the contents.
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the contents.
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"""
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"""
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pygmentsStyleOpt = "vs"
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pygmentsStyleOpt = "vs"
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pygmentsCssFile="./deps/codeformats/%s.css" % pygmentsStyleOpt
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pygmentsCssFile="./deps/codeformats/%s.css" % pygmentsStyleOpt
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diffCssFile="./deps/diff.css"
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diffCssFile="./deps/diff.css"
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diffJsFile="./deps/diff.js"
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diffJsFile="./deps/diff.js"
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resetCssFile="./deps/reset.css"
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resetCssFile="./deps/reset.css"
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jqueryJsFile="./deps/jquery.min.js"
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jqueryJsFile="./deps/jquery.min.js"
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def __init__(self, fromfile, tofile, fromtxt=None, totxt=None, name=None):
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def __init__(self, fromfile, tofile, fromtxt=None, totxt=None, name=None):
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self.filename = name
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self.filename = name
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self.fromfile = fromfile
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self.fromfile = fromfile
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if fromtxt == None:
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if fromtxt == None:
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try:
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try:
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with open(fromfile) as f:
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with open(fromfile) as f:
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self.fromlines = f.readlines()
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self.fromlines = f.readlines()
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except Exception as e:
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except Exception as e:
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print "Problem reading file %s" % fromfile
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print("Problem reading file %s" % fromfile)
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print e
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print(e)
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sys.exit(1)
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sys.exit(1)
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else:
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else:
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self.fromlines = [n + "\n" for n in fromtxt.split("\n")]
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self.fromlines = [n + "\n" for n in fromtxt.split("\n")]
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self.leftcode = "".join(self.fromlines)
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self.leftcode = "".join(self.fromlines)
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self.tofile = tofile
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self.tofile = tofile
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if totxt == None:
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if totxt == None:
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try:
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try:
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with open(tofile) as f:
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with open(tofile) as f:
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self.tolines = f.readlines()
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self.tolines = f.readlines()
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except Exception as e:
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except Exception as e:
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print "Problem reading file %s" % tofile
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print("Problem reading file %s" % tofile)
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print e
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print(e)
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sys.exit(1)
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sys.exit(1)
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else:
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else:
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self.tolines = [n + "\n" for n in totxt.split("\n")]
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self.tolines = [n + "\n" for n in totxt.split("\n")]
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self.rightcode = "".join(self.tolines)
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self.rightcode = "".join(self.tolines)
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def getDiffDetails(self, fromdesc='', todesc='', context=False, numlines=5, tabSize=8):
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def getDiffDetails(self, fromdesc='', todesc='', context=False, numlines=5, tabSize=8):
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# change tabs to spaces before it gets more difficult after we insert
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# change tabs to spaces before it gets more difficult after we insert
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# markkup
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# markkup
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def expand_tabs(line):
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def expand_tabs(line):
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# hide real spaces
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# hide real spaces
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line = line.replace(' ','\0')
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line = line.replace(' ','\0')
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# expand tabs into spaces
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# expand tabs into spaces
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line = line.expandtabs(tabSize)
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line = line.expandtabs(tabSize)
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# replace spaces from expanded tabs back into tab characters
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# replace spaces from expanded tabs back into tab characters
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# (we'll replace them with markup after we do differencing)
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# (we'll replace them with markup after we do differencing)
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line = line.replace(' ','\t')
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line = line.replace(' ','\t')
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return line.replace('\0',' ').rstrip('\n')
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return line.replace('\0',' ').rstrip('\n')
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self.fromlines = [expand_tabs(line) for line in self.fromlines]
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self.fromlines = [expand_tabs(line) for line in self.fromlines]
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self.tolines = [expand_tabs(line) for line in self.tolines]
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self.tolines = [expand_tabs(line) for line in self.tolines]
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# create diffs iterator which generates side by side from/to data
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# create diffs iterator which generates side by side from/to data
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if context:
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if context:
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context_lines = numlines
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context_lines = numlines
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else:
|
else:
|
||||||
context_lines = None
|
context_lines = None
|
||||||
|
|
||||||
diffs = difflib._mdiff(self.fromlines, self.tolines, context_lines, linejunk=None, charjunk=difflib.IS_CHARACTER_JUNK)
|
diffs = difflib._mdiff(self.fromlines, self.tolines, context_lines, linejunk=None, charjunk=difflib.IS_CHARACTER_JUNK)
|
||||||
return list(diffs)
|
return list(diffs)
|
||||||
|
|
||||||
|
|
||||||
def format(self, verbose=False):
|
def format(self, verbose=False):
|
||||||
self.diffs = self.getDiffDetails(self.fromfile, self.tofile)
|
self.diffs = self.getDiffDetails(self.fromfile, self.tofile)
|
||||||
|
|
||||||
if verbose:
|
if verbose:
|
||||||
for diff in self.diffs:
|
for diff in self.diffs:
|
||||||
print "%-6s %-80s %-80s" % ( diff[2], diff[0], diff[1] )
|
print("%-6s %-80s %-80s" % ( diff[2], diff[0], diff[1] ))
|
||||||
|
|
||||||
fields = ( (self.leftcode, True, self.fromfile) , (self.rightcode, False, self.tofile) )
|
fields = ( (self.leftcode, True, self.fromfile) , (self.rightcode, False, self.tofile) )
|
||||||
|
|
||||||
codeContents = []
|
codeContents = []
|
||||||
for (code, isLeft, filename) in fields:
|
for (code, isLeft, filename) in fields:
|
||||||
|
|
||||||
inst = DiffHtmlFormatter(isLeft,
|
inst = DiffHtmlFormatter(isLeft,
|
||||||
self.diffs,
|
self.diffs,
|
||||||
nobackground=False,
|
nobackground=False,
|
||||||
linenos=True,
|
linenos=True,
|
||||||
style=self.pygmentsStyleOpt)
|
style=self.pygmentsStyleOpt)
|
||||||
|
|
||||||
try:
|
try:
|
||||||
self.lexer = guess_lexer_for_filename(self.filename, code)
|
self.lexer = guess_lexer_for_filename(self.filename, code)
|
||||||
|
|
||||||
except pygments.util.ClassNotFound:
|
except pygments.util.ClassNotFound:
|
||||||
if verbose:
|
if verbose:
|
||||||
print "No Lexer Found! Using default..."
|
print("No Lexer Found! Using default...")
|
||||||
|
|
||||||
self.lexer = DefaultLexer()
|
self.lexer = DefaultLexer()
|
||||||
|
|
||||||
formatted = pygments.highlight(code, self.lexer, inst)
|
formatted = pygments.highlight(code, self.lexer, inst)
|
||||||
|
|
||||||
codeContents.append(formatted)
|
codeContents.append(formatted)
|
||||||
|
|
||||||
diffTemplate = open("./templates/diff_template.html",'r').read()
|
diffTemplate = open("./templates/diff_template.html",'r').read()
|
||||||
|
|
||||||
answers = {
|
answers = {
|
||||||
"html_title": self.filename,
|
"html_title": self.filename,
|
||||||
"reset_css": self.resetCssFile,
|
"reset_css": self.resetCssFile,
|
||||||
"pygments_css": self.pygmentsCssFile,
|
"pygments_css": self.pygmentsCssFile,
|
||||||
"diff_css": self.diffCssFile,
|
"diff_css": self.diffCssFile,
|
||||||
"page_title": self.filename,
|
"page_title": self.filename,
|
||||||
"original_code": codeContents[0],
|
"original_code": codeContents[0],
|
||||||
"modified_code": codeContents[1],
|
"modified_code": codeContents[1],
|
||||||
"jquery_js": self.jqueryJsFile,
|
"jquery_js": self.jqueryJsFile,
|
||||||
"diff_js": self.diffJsFile,
|
"diff_js": self.diffJsFile,
|
||||||
}
|
}
|
||||||
|
|
||||||
self.htmlContents = diffTemplate % answers
|
self.htmlContents = diffTemplate % answers
|
||||||
|
|
||||||
|
|
||||||
def write(self, path="index.html"):
|
def write(self, path="index.html"):
|
||||||
fh = open(path,'w')
|
fh = open(path,'w')
|
||||||
fh.write(self.htmlContents.encode('utf8'))
|
fh.write(self.htmlContents.encode('utf8'))
|
||||||
fh.close()
|
fh.close()
|
||||||
|
|
||||||
|
|
||||||
def main(fromfile, tofile, verbose=False):
|
def main(fromfile, tofile, verbose=False):
|
||||||
codeDiff = CodeDiff(fromfile, tofile, name=tofile)
|
codeDiff = CodeDiff(fromfile, tofile, name=tofile)
|
||||||
codeDiff.format(verbose)
|
codeDiff.format(verbose)
|
||||||
codeDiff.write()
|
codeDiff.write()
|
||||||
|
|
||||||
|
|
||||||
if __name__ == "__main__":
|
if __name__ == "__main__":
|
||||||
description = """Given two source files this application\
|
description = """Given two source files this application\
|
||||||
creates an html page which highlights the differences between the two. """
|
creates an html page which highlights the differences between the two. """
|
||||||
|
|
||||||
parser = argparse.ArgumentParser(description=description)
|
parser = argparse.ArgumentParser(description=description)
|
||||||
parser.add_argument('-v', action='store_true', help='show verbose output.')
|
parser.add_argument('-v', action='store_true', help='show verbose output.')
|
||||||
parser.add_argument('file1', help='source file to compare ("before" file).')
|
parser.add_argument('file1', help='source file to compare ("before" file).')
|
||||||
parser.add_argument('file2', help='source file to compare ("after" file).')
|
parser.add_argument('file2', help='source file to compare ("after" file).')
|
||||||
|
|
||||||
args = parser.parse_args()
|
args = parser.parse_args()
|
||||||
|
|
||||||
main(args.file1, args.file2, args.v)
|
main(args.file1, args.file2, args.v)
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue