/brz/remove-bazaar

# 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 (

    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(relpath, path, patternc, eol_marker, outf):

    index = 1

    path = os.path.normpath(os.path.join(relpath, '/', path))

    path = path.replace(os.path.dirname(relpath) + '/', '', 1)

    fmt = path + ":%d:%s" + eol_marker

    for line in open(path):

        res = patternc.search(line)

        if res:

            outf.write( fmt % (index, line.strip()))

        index += 1