# Copyright (C) 2011-2012 Patrick Totzke # Copyright © 2018 Dylan Baker # This file is released under the GNU GPL, version 3 or a later revision. # For further details see the COPYING file import argparse import asyncio import code import email import email.utils import glob from io import BytesIO import logging import os import shlex import subprocess import urwid from . import Command, registerCommand from . import CommandCanceled from .utils import update_keys from .. import commands from .. import buffers from .. import helper from ..completion.accounts import AccountCompleter from ..completion.commandline import CommandLineCompleter from ..completion.contacts import ContactsCompleter from ..completion.tags import TagsCompleter from ..db.sort import NAME as SORT_NAME from ..helper import split_commandstring from ..mail.envelope import Envelope from ..settings.const import settings from ..settings.errors import ConfigError, NoMatchingAccount from ..utils import argparse as cargparse from ..widgets.utils import DialogBox MODE = 'global' @registerCommand(MODE, 'exit', help="shut down cleanly") class ExitCommand(Command): """Shut down cleanly.""" def __init__(self, _prompt=True, **kwargs): """ :param _prompt: For internal use only, used to control prompting to close without sending, and is used by the BufferCloseCommand if settings change after yielding to the UI. :type _prompt: bool """ super(ExitCommand, self).__init__(**kwargs) self.prompt_to_send = _prompt async def apply(self, ui): if settings.get('bug_on_exit'): msg = 'really quit?' if (await ui.choice(msg, select='yes', cancel='no', msg_position='left')) == 'no': return # check if there are any unsent messages if self.prompt_to_send: for buffer in ui.buffers: if (isinstance(buffer, buffers.EnvelopeBuffer) and not buffer.envelope.sent_time): msg = 'quit without sending message?' if (await ui.choice(msg, cancel='no', msg_position='left')) == 'no': raise CommandCanceled() for b in ui.buffers: b.cleanup() if ui.dbman.ro: ui.exit() await ui.cleanup() ui.exit() @registerCommand(MODE, 'search', usage='search query', arguments=[ (['--sort'], {'help': 'sort order', 'choices': list(SORT_NAME.keys())}), (['--reverse'], { 'help' : 'display messages in reverse order', 'action' : 'store_true' }), (['query'], {'nargs': argparse.REMAINDER, 'help': 'search string'})]) class SearchCommand(Command): """open a new search buffer. Search obeys the notmuch :ref:`search.exclude_tags ` setting.""" repeatable = True _reverse = None def __init__(self, query, sort=None, reverse = False, **kwargs): """ :param query: notmuch querystring :type query: str :param sort: how to order results. Must be one of 'oldest_first', 'newest_first', 'message_id' or 'unsorted'. :type sort: str """ self.query = ' '.join(query) self.order = SORT_NAME[sort] if sort else None self._reverse = reverse super().__init__(**kwargs) def apply(self, ui): if self.query: open_searches = ui.get_buffers_of_type(buffers.SearchBuffer) to_be_focused = None for sb in open_searches: if sb.querystring == self.query: to_be_focused = sb if to_be_focused: if ui.current_buffer != to_be_focused: ui.buffer_focus(to_be_focused) else: # refresh an already displayed search ui.current_buffer.rebuild() ui.update() else: ui.buffer_open(buffers.SearchBuffer(ui, self.query, sort_order=self.order, reverse = self._reverse)) else: ui.notify('empty query string') @registerCommand(MODE, 'prompt', arguments=[ (['startwith'], {'nargs': '?', 'default': '', 'help': 'initial content'})]) class PromptCommand(Command): """prompts for commandline and interprets it upon select""" def __init__(self, startwith='', **kwargs): """ :param startwith: initial content of the prompt widget :type startwith: str """ self.startwith = startwith super().__init__(**kwargs) async def apply(self, ui): logging.info('open command shell') mode = ui.mode or 'global' cmpl = CommandLineCompleter(ui.dbman, mode, ui.current_buffer) cmdline = await ui.prompt( '', text=self.startwith, completer=cmpl, history=ui.commandprompthistory) logging.debug('CMDLINE: %s', cmdline) # interpret and apply commandline if cmdline: # save into prompt history ui.commandprompthistory.append(cmdline) await ui.apply_commandline(cmdline) else: raise CommandCanceled() @registerCommand(MODE, 'refresh') class RefreshCommand(Command): """refresh the current buffer""" repeatable = True def apply(self, ui): ui.current_buffer.rebuild() ui.update() @registerCommand( MODE, 'shellescape', arguments=[ (['--spawn'], {'action': cargparse.BooleanAction, 'default': None, 'help': 'run in terminal window'}), (['--thread'], {'action': cargparse.BooleanAction, 'default': None, 'help': 'run in separate thread'}), (['--refocus'], {'action': cargparse.BooleanAction, 'help': 'refocus current buffer after command ' 'has finished'}), (['cmd'], {'help': 'command line to execute'})], forced={'shell': True}, ) class ExternalCommand(Command): """run external command""" repeatable = True def __init__(self, cmd, stdin=None, shell=False, spawn=False, refocus=True, thread=False, on_success=None, **kwargs): """ :param cmd: the command to call :type cmd: list or str :param stdin: input to pipe to the process :type stdin: file or str :param spawn: run command in a new terminal :type spawn: bool :param shell: let shell interpret command string :type shell: bool :param thread: run asynchronously, don't block alot :type thread: bool :param refocus: refocus calling buffer after cmd termination :type refocus: bool :param on_success: code to execute after command successfully exited :type on_success: callable """ logging.debug({'spawn': spawn}) # make sure cmd is a list of str if isinstance(cmd, str): # convert cmdstring to list: in case shell==True, # Popen passes only the first item in the list to $SHELL cmd = [cmd] if shell else split_commandstring(cmd) # determine complete command list to pass touchhook = settings.get_hook('touch_external_cmdlist') # filter cmd, shell and thread through hook if defined if touchhook is not None: logging.debug('calling hook: touch_external_cmdlist') res = touchhook(cmd, shell=shell, spawn=spawn, thread=thread) logging.debug('got: %s', res) cmd, shell, self.in_thread = res # otherwise if spawn requested and X11 is running elif spawn: if 'DISPLAY' in os.environ: term_cmd = settings.get('terminal_cmd', '') logging.info('spawn in terminal: %s', term_cmd) termcmdlist = split_commandstring(term_cmd) cmd = termcmdlist + cmd else: thread = False self.cmdlist = cmd self.stdin = stdin self.shell = shell self.refocus = refocus self.in_thread = thread self.on_success = on_success super().__init__(**kwargs) async def apply(self, ui): logging.debug('cmdlist: %s', self.cmdlist) callerbuffer = ui.current_buffer # set standard input for subcommand stdin = None if self.stdin is not None: # wrap strings in StrinIO so that they behaves like a file if isinstance(self.stdin, str): # XXX: is utf-8 always safe to use here, or do we need to check # the terminal encoding first? stdin = BytesIO(self.stdin.encode('utf-8')) else: stdin = self.stdin logging.info('calling external command: %s', self.cmdlist) ret = '' if self.in_thread: try: if self.shell: _cmd = asyncio.create_subprocess_shell cmdlist = [' '.join(self.cmdlist)] else: _cmd = asyncio.create_subprocess_exec cmdlist = self.cmdlist proc = await _cmd( *cmdlist, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE if stdin else None) except OSError as e: ret = str(e) else: _, err = await proc.communicate(stdin.read() if stdin else None) if proc.returncode == 0: ret = 'success' elif err: ret = err.decode(urwid.util.detected_encoding) else: with ui.paused(): try: proc = subprocess.Popen( self.cmdlist, shell=self.shell, stdin=subprocess.PIPE if stdin else None, stderr=subprocess.PIPE) except OSError as e: ret = str(e) else: _, err = proc.communicate(stdin.read() if stdin else None) if proc.returncode == 0: ret = 'success' elif err: ret = err.decode(urwid.util.detected_encoding) if ret == 'success': if self.on_success is not None: self.on_success() else: msg = "editor has exited with error code {} -- {}".format( proc.returncode, ret or "No stderr output") ui.notify(msg, priority='error') if self.refocus and callerbuffer in ui.buffers: logging.info('refocussing') ui.buffer_focus(callerbuffer) class EditCommand(ExternalCommand): """edit a file""" def __init__(self, path, spawn=None, thread=None, **kwargs): """ :param path: path to the file to be edited :type path: str :param spawn: force running edtor in a new terminal :type spawn: bool :param thread: run asynchronously, don't block alot :type thread: bool """ self.spawn = spawn if spawn is None: self.spawn = settings.get('editor_spawn') self.thread = thread if thread is None: self.thread = settings.get('editor_in_thread') editor_cmdstring = None if os.path.isfile('/usr/bin/editor'): editor_cmdstring = '/usr/bin/editor' editor_cmdstring = os.environ.get('EDITOR', editor_cmdstring) editor_cmdstring = settings.get('editor_cmd') or editor_cmdstring logging.debug('using editor_cmd: %s', editor_cmdstring) self.cmdlist = None if editor_cmdstring: if '%s' in editor_cmdstring: cmdstring = editor_cmdstring.replace('%s', helper.shell_quote(path)) self.cmdlist = split_commandstring(cmdstring) else: self.cmdlist = split_commandstring(editor_cmdstring) + [path] logging.debug({'spawn: ': self.spawn, 'in_thread': self.thread}) super().__init__(self.cmdlist, spawn = self.spawn, thread = self.thread, **kwargs) async def apply(self, ui): if self.cmdlist is None: ui.notify('no editor set', priority='error') else: return await ExternalCommand.apply(self, ui) @registerCommand(MODE, 'pyshell') class PythonShellCommand(Command): """open an interactive python shell for introspection""" repeatable = True def apply(self, ui): with ui.paused(): code.interact(local=locals()) @registerCommand(MODE, 'repeat') class RepeatCommand(Command): """repeat the command executed last time""" def __init__(self, **kwargs): super().__init__(**kwargs) async def apply(self, ui): if ui.last_commandline is not None: await ui.apply_commandline(ui.last_commandline) else: ui.notify('no last command') @registerCommand(MODE, 'call', arguments=[ (['command'], {'help': 'python command string to call'})]) class CallCommand(Command): """execute python code""" repeatable = True def __init__(self, command, **kwargs): """ :param command: python command string to call :type command: str """ super().__init__(**kwargs) self.command = command async def apply(self, ui): try: hooks = settings.hooks if hooks: env = {'ui': ui, 'settings': settings} for k, v in env.items(): if not getattr(hooks, k, None): setattr(hooks, k, v) t = eval(self.command) if asyncio.iscoroutine(t): await t except Exception as e: logging.exception(e) msg = 'an error occurred during execution of "%s":\n%s' ui.notify(msg % (self.command, e), priority='error') @registerCommand(MODE, 'bclose', arguments=[ (['--redraw'], {'action': cargparse.BooleanAction, 'help': 'redraw current buffer after command has finished'}), (['--force'], {'action': 'store_true', 'help': 'never ask for confirmation'})]) class BufferCloseCommand(Command): """close a buffer""" repeatable = True def __init__(self, buffer=None, force=False, redraw=True, **kwargs): """ :param buffer: the buffer to close or None for current :type buffer: `alot.buffers.Buffer` :param force: force buffer close :type force: bool """ self.buffer = buffer self.force = force self.redraw = redraw super().__init__(**kwargs) async def apply(self, ui): async def one_buffer(prompt=True): """Helper to handle the case on only one buffer being opened. prompt is a boolean that is passed to ExitCommand() as the _prompt keyword argument. """ # If there is only one buffer and the settings don't allow using # closebuffer to exit, then just stop. if not settings.get('quit_on_last_bclose'): msg = ('not closing last remaining buffer as ' 'global.quit_on_last_bclose is set to False') logging.info(msg) ui.notify(msg, priority='error') # Otherwise pass directly to exit command, which also prommpts for # 'close without sending' else: logging.info('closing the last buffer, exiting') await ui.apply_command(ExitCommand(_prompt=prompt)) if self.buffer is None: self.buffer = ui.current_buffer if len(ui.buffers) == 1: await one_buffer() return if (isinstance(self.buffer, buffers.EnvelopeBuffer) and not self.buffer.envelope.sent_time): msg = 'close without sending?' if (not self.force and (await ui.choice(msg, cancel='no', msg_position='left')) == 'no'): raise CommandCanceled() # Because we await above it is possible that the settings or the number # of buffers chould change, so retest. if len(ui.buffers) == 1: await one_buffer(prompt=False) else: ui.buffer_close(self.buffer, self.redraw) @registerCommand(MODE, 'bprevious', forced={'offset': -1}, help='focus previous buffer') @registerCommand(MODE, 'bnext', forced={'offset': +1}, help='focus next buffer') @registerCommand( MODE, 'buffer', arguments=[(['index'], {'type': int, 'help': 'buffer index to focus'})], help='focus buffer with given index') class BufferFocusCommand(Command): """focus a :class:`~alot.buffers.Buffer`""" repeatable = True def __init__(self, buffer=None, index=None, offset=0, **kwargs): """ :param buffer: the buffer to focus or None :type buffer: `alot.buffers.Buffer` :param index: index (in bufferlist) of the buffer to focus. :type index: int :param offset: position of the buffer to focus relative to the currently focussed one. This is used only if `buffer` is set to `None` :type offset: int """ self.buffer = buffer self.index = index self.offset = offset super().__init__(**kwargs) def apply(self, ui): if self.buffer is None: if self.index is not None: try: self.buffer = ui.buffers[self.index] except IndexError: ui.notify('no buffer exists at index %d' % self.index) return else: self.index = ui.buffers.index(ui.current_buffer) num = len(ui.buffers) self.buffer = ui.buffers[(self.index + self.offset) % num] ui.buffer_focus(self.buffer) @registerCommand(MODE, 'bufferlist') class OpenBufferlistCommand(Command): """open a list of active buffers""" def __init__(self, filtfun=lambda x: x, **kwargs): """ :param filtfun: filter to apply to displayed list :type filtfun: callable (str->bool) """ self.filtfun = filtfun super().__init__(**kwargs) def apply(self, ui): blists = ui.get_buffers_of_type(buffers.BufferlistBuffer) if blists: ui.buffer_focus(blists[0]) else: bl = buffers.BufferlistBuffer(ui, self.filtfun) ui.buffer_open(bl) @registerCommand(MODE, 'taglist', arguments=[ (['--tags'], {'nargs': '+', 'help': 'tags to display'}), ]) class TagListCommand(Command): """opens taglist buffer""" def __init__(self, tags=None, **kwargs): self.tags = tags super().__init__(**kwargs) def apply(self, ui): tags = frozenset(self.tags) if self.tags else ui.dbman.get_all_tags() blists = ui.get_buffers_of_type(buffers.TagListBuffer) if blists: buf = blists[0] buf.tags = tags buf.rebuild() ui.buffer_focus(buf) else: ui.buffer_open(buffers.TagListBuffer(tags)) @registerCommand(MODE, 'namedqueries') class NamedQueriesCommand(Command): """opens named queries buffer""" def __init__(self, filtfun=bool, **kwargs): """ :param filtfun: filter to apply to displayed list :type filtfun: callable (str->bool) """ self.filtfun = filtfun super().__init__(**kwargs) def apply(self, ui): ui.buffer_open(buffers.NamedQueriesBuffer(ui.dbman, self.filtfun)) # TODO: choices @registerCommand(MODE, 'help', arguments=[ (['commandname'], {'help': 'command or \'bindings\''})]) class HelpCommand(Command): """display help for a command (use \'bindings\' to display all keybindings interpreted in current mode)""" def __init__(self, commandname='', **kwargs): """ :param commandname: command to document :type commandname: str """ super().__init__(**kwargs) self.commandname = commandname def apply(self, ui): logging.debug('HELP') if self.commandname == 'bindings': text_att = settings.get_theming_attribute('help', 'text') title_att = settings.get_theming_attribute('help', 'title') section_att = settings.get_theming_attribute('help', 'section') # get mappings globalmaps, modemaps = settings.get_keybindings(ui.mode) # build table maxkeylength = len( max(list(modemaps.keys()) + list(globalmaps.keys()), key=len)) keycolumnwidth = maxkeylength + 2 linewidgets = [] # mode specific maps if modemaps: txt = (section_att, '\n%s-mode specific maps' % ui.mode) linewidgets.append(urwid.Text(txt)) for (k, v) in modemaps.items(): line = urwid.Columns([('fixed', keycolumnwidth, urwid.Text((text_att, k))), urwid.Text((text_att, v))]) linewidgets.append(line) # global maps linewidgets.append(urwid.Text((section_att, '\nglobal maps'))) for (k, v) in globalmaps.items(): if k not in modemaps: line = urwid.Columns( [('fixed', keycolumnwidth, urwid.Text((text_att, k))), urwid.Text((text_att, v))]) linewidgets.append(line) body = urwid.ListBox(linewidgets) titletext = 'Bindings Help (escape cancels)' box = DialogBox(body, titletext, bodyattr=text_att, titleattr=title_att) # put promptwidget as overlay on main widget overlay = urwid.Overlay(box, ui.root_widget, 'center', ('relative', 70), 'middle', ('relative', 70)) ui.show_as_root_until_keypress(overlay, 'esc') else: logging.debug('HELP %s', self.commandname) parser = commands.lookup_parser(self.commandname, ui.mode) if parser: ui.notify(parser.format_help(), block=True) else: ui.notify('command not known: %s' % self.commandname, priority='error') @registerCommand(MODE, 'compose', arguments=[ (['--sender'], {'nargs': '?', 'help': 'sender'}), (['--template'], {'nargs': '?', 'help': 'path to a template message file'}), (['--tags'], {'nargs': '?', 'help': 'comma-separated list of tags to apply to message'}), (['--subject'], {'nargs': '?', 'help': 'subject line'}), (['--to'], {'nargs': '+', 'help': 'recipients'}), (['--cc'], {'nargs': '+', 'help': 'copy to'}), (['--bcc'], {'nargs': '+', 'help': 'blind copy to'}), (['--attach'], {'nargs': '+', 'help': 'attach files'}), (['--omit_signature'], {'action': 'store_true', 'help': 'do not add signature'}), (['--spawn'], {'action': cargparse.BooleanAction, 'default': None, 'help': 'spawn editor in new terminal'}), (['rest'], {'nargs': '*'}), ]) class ComposeCommand(Command): """compose a new email""" def __init__( self, envelope=None, headers=None, template=None, sender='', tags=None, subject='', to=None, cc=None, bcc=None, attach=None, omit_signature=False, spawn=None, rest=None, encrypt=False, **kwargs): """ :param envelope: use existing envelope :type envelope: :class:`~alot.mail.envelope.Envelope` :param headers: forced header values :type headers: dict (str->str) :param template: name of template to parse into the envelope after creation. This should be the name of a file in your template_dir :type template: str :param sender: From-header value :type sender: str :param tags: Comma-separated list of tags to apply to message :type tags: list(str) :param subject: Subject-header value :type subject: str :param to: To-header value :type to: str :param cc: Cc-header value :type cc: str :param bcc: Bcc-header value :type bcc: str :param attach: Path to files to be attached (globable) :type attach: str :param omit_signature: do not attach/append signature :type omit_signature: bool :param spawn: force spawning of editor in a new terminal :type spawn: bool :param rest: remaining parameters. These can start with 'mailto' in which case it is interpreted as mailto string. Otherwise it will be interpreted as recipients (to) header :type rest: list(str) :param encrypt: if the email should be encrypted :type encrypt: bool """ super().__init__(**kwargs) self.envelope = envelope self.template = template self.headers = headers or {} self.sender = sender self.subject = subject self.to = to or [] self.cc = cc or [] self.bcc = bcc or [] self.attach = attach self.omit_signature = omit_signature self.force_spawn = spawn self.rest = ' '.join(rest or []) self.encrypt = encrypt self.tags = tags class ApplyError(Exception): pass def _get_template(self, ui): # get location of tempsdir, containing msg templates tempdir = settings.get('template_dir') path = os.path.expanduser(self.template) if not os.path.dirname(path): # use tempsdir if not os.path.isdir(tempdir): ui.notify('no templates directory: %s' % tempdir, priority='error') raise self.ApplyError() path = os.path.join(tempdir, path) if not os.path.isfile(path): ui.notify('could not find template: %s' % path, priority='error') raise self.ApplyError() try: with open(path, 'r') as f: template = f.read() self.envelope.parse_template(template) except Exception as e: ui.notify(str(e), priority='error') raise self.ApplyError() async def _get_sender_details(self, ui): # find out the right account, if possible yet account = self.envelope.account if account is None: accounts = settings.get_accounts() if not accounts: ui.notify('no accounts set.', priority='error') return elif len(accounts) == 1: account = accounts[0] # get missing From header if 'From' not in self.envelope.headers: if account is not None: fromstring = email.utils.formataddr( (account.realname, str(account.address))) self.envelope.add('From', fromstring) else: cmpl = AccountCompleter() fromaddress = await ui.prompt('From', completer=cmpl, tab=1, history=ui.senderhistory) if fromaddress is None: raise CommandCanceled() ui.senderhistory.append(fromaddress) self.envelope.add('From', fromaddress) else: fromaddress = self.envelope.get("From") # try to find the account again if account is None: try: account = settings.account_matching_address(fromaddress) except NoMatchingAccount: msg = 'Cannot compose mail - ' \ 'no account found for `%s`' % fromaddress logging.error(msg) ui.notify(msg, priority='error') raise CommandCanceled() if self.envelope.account is None: self.envelope.account = account def _set_signature(self, ui): account = self.envelope.account if self.omit_signature or not account.signature: return logging.debug('has signature') sig = os.path.expanduser(account.signature) if account.signature_as_attachment: name = account.signature_filename or None self.envelope.attach_file(sig, filename = name) logging.debug('attached') else: try: with open(sig, 'r') as f: sigcontent = f.read() except UnicodeDecodeError: ui.notify('Could not read signature', priority = 'error') else: self.envelope.body += '\n' + sigcontent async def apply(self, ui): try: await self.__apply(ui) except self.ApplyError: return def _get_account(self, ui): # find out the right account sender = self.envelope.get('From') _, addr = email.utils.parseaddr(sender) try: account = settings.get_account_by_address(addr) except NoMatchingAccount: msg = 'Cannot compose mail - no account found for `%s`' % addr logging.error(msg) ui.notify(msg, priority='error') raise CommandCanceled() if account is None: accounts = settings.get_accounts() if not accounts: ui.notify('no accounts set.', priority='error') raise self.ApplyError account = accounts[0] return account def _set_envelope(self): if self.envelope is None: if self.rest: if self.rest.startswith('mailto'): self.envelope = Envelope.from_mailto(self.rest) else: self.envelope = Envelope() self.envelope.add('To', self.rest) else: self.envelope = Envelope() def _set_gpg_sign(self, ui): account = self.envelope.account if account.sign_by_default: if account.gpg_key: self.envelope.sign = account.sign_by_default self.envelope.sign_key = account.gpg_key else: msg = 'Cannot find gpg key for account {}' msg = msg.format(account.address) logging.warning(msg) ui.notify(msg, priority='error') async def _set_to(self, ui): account = self.envelope.account if 'To' not in self.envelope.headers: allbooks = not settings.get('complete_matching_abook_only') logging.debug(allbooks) abooks = settings.get_addressbooks(order=[account], append_remaining=allbooks) logging.debug(abooks) completer = ContactsCompleter(abooks) to = await ui.prompt('To', completer=completer, history=ui.recipienthistory) if to is None: raise CommandCanceled() to = to.strip(' \t\n,') ui.recipienthistory.append(to) self.envelope.add('To', to) async def _set_gpg_encrypt(self, ui): account = self.envelope.account if self.encrypt or account.encrypt_by_default == "all": logging.debug("Trying to encrypt message because encrypt=%s and " "encrypt_by_default=%s", self.encrypt, account.encrypt_by_default) await update_keys(ui, self.envelope, block_error=self.encrypt) elif account.encrypt_by_default == "trusted": logging.debug("Trying to encrypt message because " "account.encrypt_by_default=%s", account.encrypt_by_default) await update_keys(ui, self.envelope, block_error=self.encrypt, signed_only=True) else: logging.debug("No encryption by default, encrypt_by_default=%s", account.encrypt_by_default) def _set_base_attributes(self): # set forced headers for key, value in self.headers.items(): self.envelope.add(key, value) # set forced headers for separate parameters if self.sender: self.envelope.add('From', self.sender) if self.subject: self.envelope.add('Subject', self.subject) if self.to: self.envelope.add('To', ','.join(self.to)) if self.cc: self.envelope.add('Cc', ','.join(self.cc)) if self.bcc: self.envelope.add('Bcc', ','.join(self.bcc)) if self.tags: self.envelope.tags = frozenset(filter(None, self.tags.split(','))) async def _set_subject(self, ui): if settings.get('ask_subject') and \ 'Subject' not in self.envelope.headers: subject = await ui.prompt('Subject') logging.debug('SUBJECT: "%s"', subject) if subject is None: raise CommandCanceled() self.envelope.add('Subject', subject) async def _set_compose_tags(self, ui): if settings.get('compose_ask_tags'): comp = TagsCompleter(ui.dbman) tags = ','.join(self.tags) if self.tags else '' tagsstring = await ui.prompt('Tags', text=tags, completer=comp) tags = [t for t in tagsstring.split(',') if t] if tags is None: raise CommandCanceled() self.envelope.tags = tags def _set_attachments(self): if self.attach: for gpath in self.attach: for a in glob.glob(gpath): self.envelope.attach_file(a) logging.debug('attaching: %s', a) async def __apply(self, ui): self._set_envelope() if self.template is not None: self._get_template(ui) # Set headers and tags self._set_base_attributes() # set account and missing From header await self._get_sender_details(ui) # add signature self._set_signature(ui) # Figure out whether we should GPG sign messages by default # and look up key if so self._set_gpg_sign(ui) # get missing To header await self._set_to(ui) # Set subject await self._set_subject(ui) # Add additional tags await self._set_compose_tags(ui) # Set attachments self._set_attachments() # set encryption if needed await self._set_gpg_encrypt(ui) cmd = commands.envelope.EditCommand(envelope=self.envelope, spawn=self.force_spawn, refocus=False) await ui.apply_command(cmd) @registerCommand( MODE, 'move', help='move focus in current buffer', arguments=[ (['movement'], {'nargs': argparse.REMAINDER, 'help': 'up, down, [half]page up, [half]page down, first, last'})]) class MoveCommand(Command): """move in widget""" def __init__(self, movement=None, **kwargs): if movement is None: self.movement = '' else: self.movement = ' '.join(movement) super().__init__(**kwargs) def apply(self, ui): if self.movement in ['up', 'down', 'page up', 'page down']: ui.mainloop.process_input([self.movement]) elif self.movement in ['halfpage down', 'halfpage up']: ui.mainloop.process_input( ui.mainloop.screen_size[1] // 2 * [self.movement.split()[-1]]) elif self.movement == 'first': if hasattr(ui.current_buffer, "focus_first"): ui.current_buffer.focus_first() ui.update() elif self.movement == 'last': if hasattr(ui.current_buffer, "focus_last"): ui.current_buffer.focus_last() ui.update() else: ui.notify('unknown movement: ' + self.movement, priority='error') @registerCommand(MODE, 'reload', help='reload all configuration files') class ReloadCommand(Command): """Reload configuration.""" def apply(self, ui): try: settings.reload() except ConfigError as e: ui.notify('Error when reloading config files:\n {}'.format(e), priority='error')