from __future__ import absolute_import
import optparse
import sys
import re
import os
from .diff import htmldiff
description = """\
"""
parser = optparse.OptionParser(
usage="%prog [OPTIONS] FILE1 FILE2\n"
"%prog --annotate [OPTIONS] INFO1 FILE1 INFO2 FILE2 ...",
description=description,
)
parser.add_option(
'-o', '--output',
metavar="FILE",
dest="output",
default="-",
help="File to write the difference to",
)
parser.add_option(
'-a', '--annotation',
action="store_true",
dest="annotation",
help="Do an annotation")
def main(args=None):
if args is None:
args = sys.argv[1:]
options, args = parser.parse_args(args)
if options.annotation:
return annotate(options, args)
if len(args) != 2:
print('Error: you must give two files')
parser.print_help()
sys.exit(1)
file1, file2 = args
input1 = read_file(file1)
input2 = read_file(file2)
body1 = split_body(input1)[1]
pre, body2, post = split_body(input2)
result = htmldiff(body1, body2)
result = pre + result + post
if options.output == '-':
if not result.endswith('\n'):
result += '\n'
sys.stdout.write(result)
else:
with open(options.output, 'wb') as f:
f.write(result)
def read_file(filename):
if filename == '-':
c = sys.stdin.read()
elif not os.path.exists(filename):
raise OSError(
"Input file %s does not exist" % filename)
else:
with open(filename, 'rb') as f:
c = f.read()
return c
body_start_re = re.compile(
r"<body.*?>", re.I|re.S)
body_end_re = re.compile(
r"</body.*?>", re.I|re.S)
def split_body(html):
pre = post = ''
match = body_start_re.search(html)
if match:
pre = html[:match.end()]
html = html[match.end():]
match = body_end_re.search(html)
if match:
post = html[match.start():]
html = html[:match.start()]
return pre, html, post
def annotate(options, args):
print("Not yet implemented")
sys.exit(1)
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