A micro-blogging tool with multiple interfaces.
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Mitter, micro-blogging client
# Copyright (C) 2007, 2008 the Mitter contributors
#
# 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 logging
import cmd
import mitterlib.ui.console_utils as console_utils
import mitterlib.constants
import datetime
import warnings
from mitterlib.network import NetworksNoNetworkSetupError, NetworksError
from mitterlib.network.networkbase import NetworkError, \
NetworkPermissionDeniedError
_log = logging.getLogger('ui.cmd')
class Interface(cmd.Cmd):
"""A MH-like interface to Mitter."""
NAMESPACE = 'mh'
# -----------------------------------------------------------------------
# Commands
# -----------------------------------------------------------------------
def do_config(self, line=None):
"""Setup the networks."""
options = self._connection.settings()
console_utils.authorization(options, self._options)
return
def do_fetch(self, line=None):
"""Retrieve the list of latest messages."""
try:
data = self._connection.messages()
except NetworksNoNetworkSetupError:
# call the config
self.do_config()
except NetworkError:
print 'Network failure. Try again in a few minutes.'
data.reverse()
self._messages.extend(data)
print '%d new messages, %d total messages now' % (len(data),
len(self._messages))
def do_next(self, line=None):
"""Get the next message in the top of the list. The message is marked
as read and removed from the list."""
try:
self._current_message = self._messages.pop(0)
except IndexError:
print 'There are no unread messages.'
return
console_utils.print_messages(self._current_message, self._connection)
return
def do_print(self, line=None):
"""Print the message in the current pointer."""
if self._current_message is None:
print 'There is no current message.'
return
console_utils.print_messages(self._current_message, self._connection)
def do_list(self, line=None):
"""Print a summary of the messages in the list."""
for message in self._messages:
long_line = '%s: %s' % (message.username, message.message)
if len(long_line) > 75:
last_space = long_line.rfind(' ', 0, 76)
long_line = long_line[:last_space] + '...'
print long_line
return
def do_reply(self, line):
"""Make a reply to the current message."""
if self._current_message is None:
print 'There is no current message.'
return
if self._update(line, reply_to=self._current_message):
print 'Reply send.'
self.lastcmd = None
def do_update(self, line):
"""Update your status."""
if self._update(line):
print 'Status updated'
self.lastcmd = None
# So we don't send the same message if the user pressed enter
# again
def do_exit(self, line):
"""Quit the application."""
_log.debug('Exiting application')
return True
# -----------------------------------------------------------------------
# Helper functions
# -----------------------------------------------------------------------
def _update(self, status, reply_to=None):
"""Send the update to the server."""
try:
self._connection.update(status, reply_to=reply_to)
except (NetworksError, NetworkError):
# TODO: capture the proper exception.
# TODO: Also, NetworkError's should never get here. Networks
# should catch that (leaving the status kinda messed.)
print 'Network error. Try again in a few minutes.'
return False
except MessageTooLongWarning:
print 'Your message is too long. Update NOT send.'
return False
return True
# -----------------------------------------------------------------------
# Methods required by the main Mitter code
# -----------------------------------------------------------------------
def __init__(self, connection, options):
"""Class initialization."""
cmd.Cmd.__init__(self)
self._options = options
self._last_update = None
self._connection = connection
self._messages = []
self._current_message = None
self.prompt = '> '
return
def __call__(self):
"""Start the interface."""
warnings.simplefilter('error') # Warnings are exceptions
self.cmdloop()
return
@classmethod
def options(self, options):
# no options for this interface
return