206a84d6e1
Don't attempt to show the screen help. Display the welcome screen when there are no subscribed projects (rather than when the screen is empty, since that can now happen if there are no projects with pending reviews). Change-Id: I4c4215d61a00c303ad7480ed6c49b7bab0d36463
378 lines
14 KiB
Python
378 lines
14 KiB
Python
# Copyright 2014 OpenStack Foundation
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import logging
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import os
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import sys
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import threading
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import webbrowser
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import urwid
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from gertty import db
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from gertty import config
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from gertty import gitrepo
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from gertty import keymap
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from gertty import mywid
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from gertty import sync
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from gertty import search
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from gertty.view import change_list as view_change_list
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from gertty.view import project_list as view_project_list
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from gertty.view import change as view_change
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import gertty.view
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WELCOME_TEXT = """\
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Welcome to Gertty!
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To get started, you should subscribe to some projects. Press the "L"
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key (shift-L) to list all the projects, navigate to the ones you are
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interested in, and then press "s" to subscribe to them. Gertty will
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automatically sync changes in your subscribed projects.
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Press the F1 key anywhere to get help. Your terminal emulator may
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require you to press function-F1 or alt-F1 instead.
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"""
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class StatusHeader(urwid.WidgetWrap):
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def __init__(self, app):
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super(StatusHeader, self).__init__(urwid.Columns([]))
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self.app = app
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self.title = urwid.Text(u'Start')
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self.error = urwid.Text('')
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self.offline = urwid.Text('')
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self.sync = urwid.Text(u'Sync: 0')
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self._w.contents.append((self.title, ('pack', None, False)))
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self._w.contents.append((urwid.Text(u''), ('weight', 1, False)))
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self._w.contents.append((self.error, ('pack', None, False)))
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self._w.contents.append((self.offline, ('pack', None, False)))
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self._w.contents.append((self.sync, ('pack', None, False)))
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def update(self, title=None, error=False, offline=None):
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if title:
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self.title.set_text(title)
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if error:
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self.error.set_text(('error', u'Error'))
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if offline is not None:
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if offline:
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self.error.set_text(u'Offline')
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else:
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self.error.set_text(u'')
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self.sync.set_text(u' Sync: %i' % self.app.sync.queue.qsize())
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class SearchDialog(mywid.ButtonDialog):
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signals = ['search', 'cancel']
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def __init__(self, app):
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self.app = app
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search_button = mywid.FixedButton('Search')
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cancel_button = mywid.FixedButton('Cancel')
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urwid.connect_signal(search_button, 'click',
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lambda button:self._emit('search'))
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urwid.connect_signal(cancel_button, 'click',
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lambda button:self._emit('cancel'))
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super(SearchDialog, self).__init__("Search",
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"Enter a change number or search string.",
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entry_prompt="Search: ",
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buttons=[search_button,
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cancel_button])
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def keypress(self, size, key):
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r = super(SearchDialog, self).keypress(size, key)
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commands = self.app.config.keymap.getCommands(r)
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self.app.log.debug('search %s %s' % (r, commands))
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if keymap.ACTIVATE in commands:
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self._emit('search')
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return None
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return r
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class App(object):
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def __init__(self, server=None, palette='default', keymap='default',
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debug=False, disable_sync=False):
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self.server = server
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self.config = config.Config(server, palette, keymap)
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if debug:
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level = logging.DEBUG
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else:
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level = logging.WARNING
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logging.basicConfig(filename=self.config.log_file, filemode='w',
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format='%(asctime)s %(message)s',
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level=level)
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self.log = logging.getLogger('gertty.App')
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self.log.debug("Starting")
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self.config.keymap.updateCommandMap()
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self.search = search.SearchCompiler(self)
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self.db = db.Database(self)
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self.sync = sync.Sync(self)
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self.screens = []
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self.status = StatusHeader(self)
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self.header = urwid.AttrMap(self.status, 'header')
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screen = view_project_list.ProjectListView(self)
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self.status.update(title=screen.title)
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self.loop = urwid.MainLoop(screen, palette=self.config.palette.getPalette(),
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unhandled_input=self.unhandledInput)
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has_subscribed_projects = False
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with self.db.getSession() as session:
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if session.getProjects(subscribed=True):
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has_subscribed_projects = True
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if not has_subscribed_projects:
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self.welcome()
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self.sync_pipe = self.loop.watch_pipe(self.refresh)
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self.loop.screen.tty_signal_keys(start='undefined', stop='undefined')
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#self.loop.screen.set_terminal_properties(colors=88)
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if not disable_sync:
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self.sync_thread = threading.Thread(target=self.sync.run, args=(self.sync_pipe,))
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self.sync_thread.daemon = True
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self.sync_thread.start()
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else:
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self.sync_thread = None
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self.sync.offline = True
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self.status.update(offline=True)
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def run(self):
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self.loop.run()
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def _quit(self, widget=None):
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raise urwid.ExitMainLoop()
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def quit(self):
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dialog = mywid.YesNoDialog(u'Quit',
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u'Are you sure you want to quit?')
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urwid.connect_signal(dialog, 'no', self.backScreen)
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urwid.connect_signal(dialog, 'yes', self._quit)
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self.popup(dialog)
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def changeScreen(self, widget, push=True):
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self.log.debug("Changing screen to %s" % (widget,))
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self.status.update(title=widget.title)
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if push:
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self.screens.append(self.loop.widget)
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self.loop.widget = widget
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def backScreen(self, target_widget=None):
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if not self.screens:
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return
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while self.screens:
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widget = self.screens.pop()
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if (not target_widget) or (widget is target_widget):
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break
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self.log.debug("Popping screen to %s" % (widget,))
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if hasattr(widget, 'title'):
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self.status.update(title=widget.title)
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self.loop.widget = widget
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self.refresh()
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def findChangeList(self):
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for widget in reversed(self.screens):
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if isinstance(widget, view_change_list.ChangeListView):
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return widget
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return None
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def clearHistory(self):
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self.log.debug("Clearing screen history")
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while self.screens:
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widget = self.screens.pop()
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self.loop.widget = widget
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def refresh(self, data=None):
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widget = self.loop.widget
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while isinstance(widget, urwid.Overlay):
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widget = widget.contents[0][0]
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widget.refresh()
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def popup(self, widget,
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relative_width=50, relative_height=25,
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min_width=20, min_height=8):
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overlay = urwid.Overlay(widget, self.loop.widget,
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'center', ('relative', relative_width),
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'middle', ('relative', relative_height),
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min_width=min_width, min_height=min_height)
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self.log.debug("Overlaying %s on screen %s" % (widget, self.loop.widget))
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self.screens.append(self.loop.widget)
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self.loop.widget = overlay
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def help(self):
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if not hasattr(self.loop.widget, 'help'):
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return
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global_help = [(self.config.keymap.formatKeys(k), t)
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for (k, t) in mywid.GLOBAL_HELP]
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for d in self.config.dashboards.values():
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global_help.append((keymap.formatKey(d['key']), d['name']))
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parts = [('Global Keys', global_help),
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('This Screen', self.loop.widget.help())]
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keylen = 0
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for title, items in parts:
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for keys, text in items:
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keylen = max(len(keys), keylen)
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text = ''
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for title, items in parts:
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if text:
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text += '\n'
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text += title+'\n'
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text += '%s\n' % ('='*len(title),)
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for keys, cmdtext in items:
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text += '{keys:{width}} {text}\n'.format(
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keys=keys, width=keylen, text=cmdtext)
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dialog = mywid.MessageDialog('Help', text)
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lines = text.split('\n')
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urwid.connect_signal(dialog, 'close',
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lambda button: self.backScreen())
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self.popup(dialog, min_width=76, min_height=len(lines)+4)
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def welcome(self):
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text = WELCOME_TEXT
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dialog = mywid.MessageDialog('Welcome', text)
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lines = text.split('\n')
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urwid.connect_signal(dialog, 'close',
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lambda button: self.backScreen())
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self.popup(dialog, min_width=76, min_height=len(lines)+4)
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def _syncOneChangeFromQuery(self, query):
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number = changeid = None
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if query.startswith("change:"):
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number = query.split(':')[1].strip()
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try:
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number = int(number)
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except ValueError:
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number = None
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changeid = query.split(':')[1].strip()
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if not (number or changeid):
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return
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with self.db.getSession() as session:
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if number:
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change = session.getChangeByNumber(number)
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elif changeid:
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change = session.getChangeByChangeID(changeid)
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change_key = change and change.key or None
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if change_key is None:
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if self.sync.offline:
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raise Exception('Can not sync change while offline.')
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task = sync.SyncChangeByNumberTask(number or changeid, sync.HIGH_PRIORITY)
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self.sync.submitTask(task)
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succeeded = task.wait(300)
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if not succeeded:
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raise Exception('Unable to find change.')
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for subtask in task.tasks:
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succeeded = task.wait(300)
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if not succeeded:
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raise Exception('Unable to sync change.')
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with self.db.getSession() as session:
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if number:
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change = session.getChangeByNumber(number)
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elif changeid:
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change = session.getChangeByChangeID(changeid)
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change_key = change and change.key or None
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if change_key is None:
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raise Exception('Change is not in local database.')
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def doSearch(self, query):
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self.log.debug("Search query: %s" % query)
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try:
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self._syncOneChangeFromQuery(query)
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except Exception as e:
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return self.error(e.message)
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with self.db.getSession() as session:
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try:
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changes = session.getChanges(query)
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except gertty.search.SearchSyntaxError as e:
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return self.error(e.message)
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change_key = None
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if len(changes) == 1:
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change_key = changes[0].key
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try:
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if change_key:
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view = view_change.ChangeView(self, change_key)
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else:
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view = view_change_list.ChangeListView(self, query)
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self.changeScreen(view)
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except gertty.view.DisplayError as e:
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return self.error(e.message)
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def searchDialog(self):
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dialog = SearchDialog(self)
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urwid.connect_signal(dialog, 'cancel',
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lambda button: self.backScreen())
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urwid.connect_signal(dialog, 'search',
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lambda button: self._searchDialog(dialog))
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self.popup(dialog, min_width=76, min_height=8)
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def _searchDialog(self, dialog):
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self.backScreen()
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query = dialog.entry.edit_text
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try:
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query = 'change:%s' % int(query)
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except ValueError:
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pass
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self.doSearch(query)
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def error(self, message):
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dialog = mywid.MessageDialog('Error', message)
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urwid.connect_signal(dialog, 'close',
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lambda button: self.backScreen())
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self.popup(dialog, min_height=4)
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return None
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def unhandledInput(self, key):
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commands = self.config.keymap.getCommands(key)
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if keymap.PREV_SCREEN in commands:
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self.backScreen()
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elif keymap.HELP in commands:
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self.help()
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elif keymap.QUIT in commands:
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self.quit()
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elif keymap.CHANGE_SEARCH in commands:
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self.searchDialog()
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elif key in self.config.dashboards:
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d = self.config.dashboards[key]
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self.clearHistory()
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view = view_change_list.ChangeListView(self, d['query'], d['name'])
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self.changeScreen(view)
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def getRepo(self, project_name):
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local_path = os.path.join(self.config.git_root, project_name)
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local_root = os.path.abspath(self.config.git_root)
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assert os.path.commonprefix((local_root, local_path)) == local_root
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return gitrepo.Repo(self.config.url+'p/'+project_name,
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local_path)
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def openURL(self, url):
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self.log.debug("Open URL %s" % url)
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webbrowser.open_new_tab(url)
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def main():
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parser = argparse.ArgumentParser(
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description='Console client for Gerrit Code Review.')
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parser.add_argument('-d', dest='debug', action='store_true',
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help='enable debug logging')
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parser.add_argument('--no-sync', dest='no_sync', action='store_true',
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help='disable remote syncing')
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parser.add_argument('-p', dest='palette', default='default',
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help='Color palette to use')
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parser.add_argument('-k', dest='keymap', default='default',
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help='Keymap to use')
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parser.add_argument('server', nargs='?',
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help='the server to use (as specified in config file)')
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args = parser.parse_args()
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g = App(args.server, args.palette, args.keymap, args.debug, args.no_sync)
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g.run()
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if __name__ == '__main__':
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main()
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