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#!/usr/bin/env python
#-*- coding: utf-8 -*-
Dojotools - tools for your coding dojo session
Copyright (C) 2009 Flávio Amieiro <>
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; version 2 dated June, 1991.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU Library General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <>.
If you find any bugs or have any suggestions email:
import os
import sys
from fnmatch import fnmatch
import subprocess
from time import ctime
import gobject
class Timer(object):
def __init__(self, round_time=300):
self.round_time = round_time
self.time_left = self.round_time
gobject.timeout_add(1000, self.update)
self.running = False
def start(self):
self.running = True
def pause(self):
self.running = False
def update(self):
if self.running:
if self.time_left:
self.time_left -= 1
self.time_left = self.round_time
return True
class Monitor(object):
def __init__(self, ui, directory, commands, patterns_file, commit=False):
'directory' is the directory to be watched for changes.
'commands' is a list with the commands to run when a file changes
'patterns_files' is the path to a file which contains a list that will
be used to filter the files we're watching.
self.old_sum = 0 = directory
self.commands = commands
self.patterns = self._get_patterns(patterns_file)
self.ui = ui
self.commit = commit
gobject.timeout_add(1000, self.check)
def _get_patterns(self, patterns_file):
Reads `patterns_file' and returns a list of patterns found in
the patterns file, so they can be used in fnmatch.
Patterns should be Unix style.
For more information, type help(fnmatch) in a python shell
with open(patterns_file, 'r') as f:
patterns = [pattern.strip() for pattern in f.readlines()]
except IOError:
'Could not find %s. Patterns will not be ignored\n'
% patterns_file
patterns = []
# Add patterns_file to the ignored patterns so it won't be tracked
patterns += [os.path.basename(patterns_file)]
return patterns
def _filter_files(self, files):
Filter a list of strings based on each item in 'self.patterns'
This function must be called every time `check` is called so we
will not ignore newly created files in the directory (that is why
files is not an instance attribute)
for p in self.patterns:
files = [f for f in files if not fnmatch(f, p)]
return files
def git_commit_all(self):
Adds all files and commits them using git
msg = ctime()
process = subprocess.Popen(
"git add . && git commit -m '%s'" % msg,
#if git returns 128 it means 'command not found' or 'not a git repo'
if process.wait() == 128:
error = ('Impossible to commit to repository. '
'Make sure git is installed an this is a valid repository')
raise OSError(error)
def run_command(self, test_cmd):
As the name says, runs a command and waits for it to finish
test_cmd = self.commands
process = subprocess.Popen(
shell = True,
cwd =,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
output =
output +=
status = process.wait()
self.ui.show_command_results(status, output)
def check(self):
Monitor for changes, ignoring files matching any item
in self.patterns and runs any command in self.commands when a file has
m_time_list = []
for root, dirs, files in os.walk(
# We must ignore all the files in .git directory because
# any commit changes them. Taking this directory into
# consideration would cause an infinite loop.
if '.git' in root:
files = self._filter_files(files)
# Be careful. The += operator works as the extend method
# on mutable objects. For more information refer to
m_time_list += [
os.stat(os.path.join(root, f)).st_mtime for f in files
new_sum = sum(m_time_list)
if new_sum != self.old_sum:
if self.commit:
self.old_sum = new_sum
# This method must return True so gobject.timeout_add runs it again
return True