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#!/usr/bin/env python
# Copyright (c) 2007-2008 Forest Bond.
# This file is part of the pytagsfs software package.
#
# pytagsfs is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License version 2 as published by the Free
# Software Foundation.
#
# A copy of the license has been included in the COPYING file.
import sys, os, stat, time, optparse, signal
from sclapp import main_function
from pytagsfs.sourcetreemon import (
get_source_tree_monitor,
SOURCE_TREE_MONITORS,
)
from pytagsfs.exceptions import MissingDependency
def add_source_dir(stm, path):
stm.add_source_dir(path)
try:
names = os.listdir(path)
except (OSError, IOError):
return
for name in names:
sub_path = os.path.join(path, name)
stm.add_cb(sub_path)
def make_add_cb(stm):
def add_cb(path, is_dir = None):
print 'ADD', path, is_dir
if is_dir is None:
add_source_dir(stm, path)
stm.add_source_file(path)
elif is_dir:
add_source_dir(stm, path)
else:
stm.add_source_file(path)
return add_cb
def make_remove_cb(stm):
def remove_cb(path, is_dir = None):
print 'REMOVE', path, is_dir
if is_dir is None:
stm.remove_source_dir(path)
stm.remove_source_file(path)
elif is_dir:
stm.remove_source_dir(path)
else:
stm.remove_source_file(path)
return remove_cb
def make_update_cb(stm):
def update_cb(path, is_dir = None):
print 'UPDATE', path, is_dir
return update_cb
def choose_source_tree_monitor(stm_dotted_name = None):
if stm_dotted_name is not None:
candidates = [stm_dotted_name]
else:
candidates = SOURCE_TREE_MONITORS
for candidate in candidates:
try:
stm = get_source_tree_monitor(candidate)
except MissingDependency, e:
print >>sys.stderr, (
'source tree monitor %s unsupported '
'due to missing dependency %s'
) % (candidate, str(e))
else:
print >>sys.stderr, 'using source tree monitor %s' % candidate
return stm
raise AssertionError('unable to find a usable source tree monitor')
def handle_argv(argv):
parser = optparse.OptionParser(usage = '%prog [OPTIONS] {directory}')
parser.add_option(
'--source-tree-monitor',
default = None,
help = 'use SOURCE_TREE_MONITOR as source tree monitor class',
)
opts, args = parser.parse_args(argv[1:])
stm_dotted_name = opts.source_tree_monitor
stm = choose_source_tree_monitor(stm_dotted_name)
dir_name = os.path.abspath(args[0])
return stm, dir_name
@main_function(
exit_signals = [signal.SIGINT, signal.SIGTERM, signal.SIGHUP, signal.SIGPIPE],
)
def main(argv):
stm, dir_name = handle_argv(argv)
stm.set_add_cb(make_add_cb(stm))
stm.set_remove_cb(make_remove_cb(stm))
stm.set_update_cb(make_update_cb(stm))
stm.start()
add_source_dir(stm, dir_name)
try:
while True:
stm.process_events()
time.sleep(0.1)
finally:
stm.stop()
if __name__ == '__main__':
sys.exit(main())
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