79 lines
2.7 KiB
Plaintext
79 lines
2.7 KiB
Plaintext
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#!/usr/bin/python
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#
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# Modified from the htmldiff script developed by Dominique HazaC+l-Massieux
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# for the http://services.w3.org/htmldiff website. That script did not
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# include a copyright statement.
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import atexit
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import os
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import re
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import sys
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import tempfile
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import tidy
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from subprocess import Popen, PIPE
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def tidyFile(filename):
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ifp = open(filename, 'r')
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# option for tidy
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options = dict(tidy_mark=0,show_warnings=0,quiet=1,char_encoding='utf8')
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html5 = re.search(r"<!doctype\s+html\s*>", ifp.read(4096),
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re.IGNORECASE)
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ifp.seek(0)
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html5_options = {'add_xml_space': 'no',
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'output_xhtml': 'no',
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'tidy_mark': 'no',
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'new_blocklevel_tags': 'article,aside,canvas,dialog,details,figcaption,figure,footer,header,hgroup,menu,nav,section,main,summary,math,semantics,mrow,mfenced,mtable,mtr,mtd,mi,mn,msub,mo,mfrac,munderover,mtext,svg,g,image,rect,text,desc,line,path,polygon,ellipse,tspan,defs,feoffset,fecolormatrix,filter,fegaussianblur,feblend,marker,circle',
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'new_inline_tags': 'video,audio,canvas,ruby,rt,rp,time,meter,progress,track,source,emu-val,emu-nt,emu-t,mark',
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'break_before_br': 'no',
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'vertical_space': 'no',
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'enclose_text': 'no',
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'numeric_entities': 'yes',
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'wrap': '1000',
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'wrap_attributes': 'no',
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'drop_empty_paras': 'no'
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}
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if html5:
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options.update(html5_options)
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newtidy = tidy.parseString(ifp.read(), **options)
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if len(newtidy.errors) > 0:
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if not html5:
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ifp.seek(0)
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options.update(html5_options)
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newtidy = tidy.parseString(ifp.read(), **options)
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ifp.close()
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fp = tempfile.NamedTemporaryFile(
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mode='w+', prefix='htmldiff-', suffix='.html')
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atexit.register(fp.close)
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fp.write(str(newtidy))
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fp.flush()
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fp.seek(0)
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# sys.stderr.write('tidyFile: tempfile name %s\n' % fp.name)
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if (newtidy.errors):
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sys.stderr.write('tidyFile: tidy.parseString error: %s\n' % str(newtidy.errors))
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return fp
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if __name__ == '__main__':
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if (len(sys.argv) < 3):
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sys.stderr.write('tidy: need args file1 file2\n')
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sys.exit(1)
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refdoc = tidyFile(sys.argv[1])
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newdoc = tidyFile(sys.argv[2])
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p = Popen(['htmldiff.pl', refdoc.name, newdoc.name],
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stdin=PIPE, stdout=PIPE, stderr=PIPE)
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sys.stdout.flush()
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sys.stderr.flush()
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(out, err) = p.communicate()
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p.stdin.close()
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if err:
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sys.stderr.write('htmldiff: An error occured when running htmldiff.pl on the documents:', str(err))
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exit(1)
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else:
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print(out)
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