xenocara/lib/mesa/bin/pick/ui.py
2020-09-22 01:28:34 +00:00

260 lines
9.0 KiB
Python

# Copyright © 2020-2020 Intel Corporation
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""Urwid UI for pick script."""
import asyncio
import functools
import itertools
import textwrap
import typing
import attr
import urwid
from . import core
if typing.TYPE_CHECKING:
WidgetType = typing.TypeVar('WidgetType', bound=urwid.Widget)
PALETTE = [
('a', 'black', 'light gray'),
('b', 'black', 'dark red'),
('bg', 'black', 'dark blue'),
('reversed', 'standout', ''),
]
class RootWidget(urwid.Frame):
def __init__(self, *args, ui: 'UI' = None, **kwargs):
super().__init__(*args, **kwargs)
assert ui is not None
self.ui = ui
def keypress(self, size: int, key: str) -> typing.Optional[str]:
if key == 'q':
raise urwid.ExitMainLoop()
elif key == 'u':
asyncio.ensure_future(self.ui.update())
elif key == 'a':
self.ui.add()
else:
return super().keypress(size, key)
return None
class CommitWidget(urwid.Text):
# urwid.Text is normally not interactable, this is required to tell urwid
# to use our keypress method
_selectable = True
def __init__(self, ui: 'UI', commit: 'core.Commit'):
super().__init__(commit.description)
self.ui = ui
self.commit = commit
async def apply(self) -> None:
result, err = await self.commit.apply(self.ui)
if not result:
self.ui.chp_failed(self, err)
else:
self.ui.remove_commit(self)
async def denominate(self) -> None:
await self.commit.denominate(self.ui)
self.ui.remove_commit(self)
async def backport(self) -> None:
await self.commit.backport(self.ui)
self.ui.remove_commit(self)
def keypress(self, size: int, key: str) -> typing.Optional[str]:
if key == 'c':
asyncio.ensure_future(self.apply())
elif key == 'd':
asyncio.ensure_future(self.denominate())
elif key == 'b':
asyncio.ensure_future(self.backport())
else:
return key
return None
@attr.s(slots=True)
class UI:
"""Main management object.
:previous_commits: A list of commits to master since this branch was created
:new_commits: Commits added to master since the last time this script was run
"""
commit_list: typing.List['urwid.Button'] = attr.ib(factory=lambda: urwid.SimpleFocusListWalker([]), init=False)
feedback_box: typing.List['urwid.Text'] = attr.ib(factory=lambda: urwid.SimpleFocusListWalker([]), init=False)
header: 'urwid.Text' = attr.ib(factory=lambda: urwid.Text('Mesa Stable Picker', align='center'), init=False)
body: 'urwid.Columns' = attr.ib(attr.Factory(lambda s: s._make_body(), True), init=False)
footer: 'urwid.Columns' = attr.ib(attr.Factory(lambda s: s._make_footer(), True), init=False)
root: RootWidget = attr.ib(attr.Factory(lambda s: s._make_root(), True), init=False)
mainloop: urwid.MainLoop = attr.ib(None, init=False)
previous_commits: typing.List['core.Commit'] = attr.ib(factory=list, init=False)
new_commits: typing.List['core.Commit'] = attr.ib(factory=list, init=False)
def _make_body(self) -> 'urwid.Columns':
commits = urwid.ListBox(self.commit_list)
feedback = urwid.ListBox(self.feedback_box)
return urwid.Columns([commits, feedback])
def _make_footer(self) -> 'urwid.Columns':
body = [
urwid.Text('[U]pdate'),
urwid.Text('[Q]uit'),
urwid.Text('[C]herry Pick'),
urwid.Text('[D]enominate'),
urwid.Text('[B]ackport'),
urwid.Text('[A]pply additional patch')
]
return urwid.Columns(body)
def _make_root(self) -> 'RootWidget':
return RootWidget(self.body, self.header, self.footer, 'body', ui=self)
def render(self) -> 'WidgetType':
asyncio.ensure_future(self.update())
return self.root
def load(self) -> None:
self.previous_commits = core.load()
async def update(self) -> None:
self.load()
with open('VERSION', 'r') as f:
version = f.read().strip()[:4]
if self.previous_commits:
sha = self.previous_commits[0].sha
else:
sha = f'{version}-branchpoint'
new_commits = await core.get_new_commits(sha)
if new_commits:
pb = urwid.ProgressBar('a', 'b', done=len(new_commits))
o = self.mainloop.widget
self.mainloop.widget = urwid.Overlay(
urwid.Filler(urwid.LineBox(pb)), o, 'center', ('relative', 50), 'middle', ('relative', 50))
self.new_commits = await core.gather_commits(
version, self.previous_commits, new_commits,
lambda: pb.set_completion(pb.current + 1))
self.mainloop.widget = o
for commit in reversed(list(itertools.chain(self.new_commits, self.previous_commits))):
if commit.nominated and commit.resolution is core.Resolution.UNRESOLVED:
b = urwid.AttrMap(CommitWidget(self, commit), None, focus_map='reversed')
self.commit_list.append(b)
self.save()
async def feedback(self, text: str) -> None:
self.feedback_box.append(urwid.AttrMap(urwid.Text(text), None))
def remove_commit(self, commit: CommitWidget) -> None:
for i, c in enumerate(self.commit_list):
if c.base_widget is commit:
del self.commit_list[i]
break
def save(self):
core.save(itertools.chain(self.new_commits, self.previous_commits))
def add(self) -> None:
"""Add an additional commit which isn't nominated."""
o = self.mainloop.widget
def reset_cb(_) -> None:
self.mainloop.widget = o
async def apply_cb(edit: urwid.Edit) -> None:
text: str = edit.get_edit_text()
# In case the text is empty
if not text:
return
sha = await core.full_sha(text)
for c in reversed(list(itertools.chain(self.new_commits, self.previous_commits))):
if c.sha == sha:
commit = c
break
else:
raise RuntimeError(f"Couldn't find {sha}")
await commit.apply(self)
q = urwid.Edit("Comit sha\n")
ok_btn = urwid.Button('Ok')
urwid.connect_signal(ok_btn, 'click', lambda _: asyncio.ensure_future(apply_cb(q)))
urwid.connect_signal(ok_btn, 'click', reset_cb)
can_btn = urwid.Button('Cancel')
urwid.connect_signal(can_btn, 'click', reset_cb)
cols = urwid.Columns([ok_btn, can_btn])
pile = urwid.Pile([q, cols])
box = urwid.LineBox(pile)
self.mainloop.widget = urwid.Overlay(
urwid.Filler(box), o, 'center', ('relative', 50), 'middle', ('relative', 50)
)
def chp_failed(self, commit: 'CommitWidget', err: str) -> None:
o = self.mainloop.widget
def reset_cb(_) -> None:
self.mainloop.widget = o
t = urwid.Text(textwrap.dedent(f"""
Failed to apply {commit.commit.sha} {commit.commit.description} with the following error:
{err}
You can either cancel, or resolve the conflicts, commit the
changes and select ok."""))
can_btn = urwid.Button('Cancel')
urwid.connect_signal(can_btn, 'click', reset_cb)
urwid.connect_signal(
can_btn, 'click', lambda _: asyncio.ensure_future(commit.commit.abort_cherry(self, err)))
ok_btn = urwid.Button('Ok')
urwid.connect_signal(ok_btn, 'click', reset_cb)
urwid.connect_signal(
ok_btn, 'click', lambda _: asyncio.ensure_future(commit.commit.resolve(self)))
urwid.connect_signal(
ok_btn, 'click', lambda _: self.remove_commit(commit))
cols = urwid.Columns([ok_btn, can_btn])
pile = urwid.Pile([t, cols])
box = urwid.LineBox(pile)
self.mainloop.widget = urwid.Overlay(
urwid.Filler(box), o, 'center', ('relative', 50), 'middle', ('relative', 50)
)