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# Copyright (C) 2010 Canonical Ltd
# Copyright (C) 2010 Parth Malwankar <parth.malwankar@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""bzr grep"""
from bzrlib.lazy_import import lazy_import
lazy_import(globals(), """
import os
import re
from bzrlib import (
osutils,
errors,
lazy_regex,
)
""")
def compile_pattern(pattern, flags=0):
patternc = None
try:
# use python's re.compile as we need to catch re.error in case of bad pattern
lazy_regex.reset_compile()
patternc = re.compile(pattern, flags)
except re.error, e:
raise errors.BzrError("Invalid pattern: '%s'" % pattern)
return patternc
def file_grep(tree, id, relpath, path, patternc, eol_marker, outf):
index = 1
if relpath:
path = osutils.normpath(osutils.pathjoin(relpath, path))
path = path.replace('\\', '/')
path = path.replace(relpath + '/', '', 1)
fmt = path + ":%d:%s" + eol_marker
for line in tree.get_file_lines(id):
res = patternc.search(line)
if res:
outf.write( fmt % (index, line.strip()))
index += 1
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