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#!/usr/bin/python
#
# Copyright 2013 Lars Wirzenius
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import cliapp
import logging
import os
import sys
import yaml
__version__ = '0.2'
class Entry(object):
def __init__(self, parsed_yaml):
assert type(parsed_yaml) is dict, repr(parsed_yaml)
self._dict = parsed_yaml
def as_yaml(self):
return yaml.dump(self._dict, default_flow_style=False)
def get_single(self, key, default):
names = self.get_subdict(key)
if not names:
return default
keys = sorted(names.keys())
return names[keys[0]]
def get_subdict(self, key):
if key in self._dict:
v = self._dict[key]
if type(v) is dict:
return v
return {'': v}
return {}
class AddressBook(object):
def __init__(self):
self.entries = []
def find_yaml_files(self, database_root):
for dirname, subdirs, basenames in os.walk(database_root):
subdirs.sort()
for basename in sorted(basenames):
if basename.endswith('.yaml'):
yield os.path.join(dirname, basename)
def add_from_database(self, database_root):
logging.info('Adding from database %s' % database_root)
for yaml_filename in self.find_yaml_files(database_root):
self.add_from_file(yaml_filename)
def add_from_file(self, filename):
logging.info('Adding from file %s' % filename)
with open(filename) as f:
parsed_yaml = yaml.safe_load(f)
if type(parsed_yaml) is list:
for parsed_entry in parsed_yaml:
entry = Entry(parsed_entry)
self.entries.append(entry)
else:
entry = Entry(parsed_yaml)
self.entries.append(entry)
def find(self, patterns):
return [e for e in self.entries if self.matches(e, patterns)]
def matches(self, entry, patterns):
s = entry.as_yaml().lower()
return any(p.lower() in s for p in patterns)
class CommandLineAddressBook(cliapp.Application):
cmd_synopsis = {
'list': '',
'find': '[PATTERN...]',
'mutt-query': '[PATTERN...]',
}
def add_settings(self):
self.settings.string_list(
['database', 'db', 'd'],
'add DIR to list of databases to use',
metavar='DIR',
default=[os.path.expanduser('~/.local/share/clab')])
def setup(self):
# Configure yaml.dump (but not yaml.safe_dump) to print multiline
# strings prettier.
def text_representer(dumper, data):
if '\n' in data:
return dumper.represent_scalar(
u'tag:yaml.org,2002:str', data, style='|')
return dumper.represent_scalar(
u'tag:yaml.org,2002:str', data, style='')
yaml.add_representer(str, text_representer)
yaml.add_representer(unicode, text_representer)
def load_address_book(self):
book = AddressBook()
for database in self.settings['database']:
book.add_from_database(database)
return book
def cmd_list(self, args):
'''List all entries in the database.
This lists all the entries. See the find subcommand for
searching specific entries.
'''
book = self.load_address_book()
for entry in book.entries:
self.output.write(entry.as_yaml() + '\n')
def cmd_find(self, args):
'''List entries that match patterns.
Each pattern is a fixed string (not a regular expression).
Matching is for any text in the entry.
'''
book = self.load_address_book()
for entry in book.find(args):
self.output.write(entry.as_yaml() + '\n')
def cmd_mutt_query(self, args):
'''Find entries for use with mutt.
This is like the find subcommand, but output is formatted
so it's suitable for the mutt query hook.
'''
if len(args) != 1:
raise cliapp.AppException(
'mutt-query requires exactly one argument')
book = self.load_address_book()
entries = book.find(args)
if not entries:
self.output.write('No matches\n')
sys.exit(1)
self.output.write('clab found matches:\n')
name_addr_pairs = set()
for entry in entries:
name = entry.get_single('name', '')
emails = entry.get_subdict('email')
for email in emails:
name_addr_pairs.add((name, emails[email]))
for name, addr in sorted(name_addr_pairs):
n = name.encode('utf-8')
a = addr.encode('utf-8')
self.output.write('%s\t%s\n' % (a, n))
CommandLineAddressBook().run()
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