зеркало из https://github.com/mozilla/gecko-dev.git
146 строки
4.2 KiB
Python
146 строки
4.2 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import absolute_import, print_function, unicode_literals
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import ConfigParser
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import os
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import subprocess
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from collections import defaultdict
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import yaml
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from mozboot.util import get_state_dir
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class PresetHandler(object):
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def __init__(self, path):
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self.path = path
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self._presets = {}
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@property
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def presets(self):
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if not self._presets and os.path.isfile(self.path):
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with open(self.path, 'r') as fh:
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self._presets = yaml.safe_load(fh) or {}
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return self._presets
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def __contains__(self, name):
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return name in self.presets
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def __getitem__(self, name):
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return self.presets[name]
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def __len__(self):
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return len(self.presets)
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def __str__(self):
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if not self.presets:
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return ''
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return yaml.safe_dump(self.presets, default_flow_style=False)
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def list(self):
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if not self.presets:
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print("no presets found")
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else:
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print(self)
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def edit(self):
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if 'EDITOR' not in os.environ:
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print("error: must set the $EDITOR environment variable to use --edit-presets")
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return
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subprocess.call([os.environ['EDITOR'], self.path])
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def save(self, name, **data):
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self.presets[name] = data
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with open(self.path, "w") as fh:
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fh.write(str(self))
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class MergedHandler(object):
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def __init__(self, *paths):
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"""Helper class for dealing with multiple preset files."""
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self.handlers = [PresetHandler(p) for p in paths]
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def __contains__(self, name):
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return any(name in handler for handler in self.handlers)
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def __getitem__(self, name):
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for handler in self.handlers:
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if name in handler:
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return handler[name]
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raise KeyError(name)
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def __len__(self):
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return sum(len(h) for h in self.handlers)
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def __str__(self):
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all_presets = {
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k: v
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for handler in self.handlers
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for k, v in handler.presets.items()
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}
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return yaml.safe_dump(all_presets, default_flow_style=False)
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def list(self):
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if len(self) == 0:
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print("no presets found")
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return
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for handler in self.handlers:
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val = str(handler)
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if val:
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val = '\n '.join([''] + val.splitlines() + ['']) # indent all lines by 2 spaces
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print("Presets from {}:".format(handler.path))
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print(val)
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def migrate_old_presets(presets):
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"""Move presets from the old `autotry.ini` format to the new
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`try_presets.yml` one.
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Args:
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presets (PresetHandler): Handler to migrate old presets into.
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"""
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from .selectors.syntax import AutoTry, SyntaxParser
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old_preset_path = os.path.join(get_state_dir(), 'autotry.ini')
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if os.path.isfile(presets.path) or not os.path.isfile(old_preset_path):
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return
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print("migrating saved presets from '{}' to '{}'".format(old_preset_path, presets.path))
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config = ConfigParser.ConfigParser()
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config.read(old_preset_path)
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unknown = defaultdict(list)
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for section in config.sections():
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for name, value in config.items(section):
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kwargs = {}
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if section == 'fuzzy': # try fuzzy
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kwargs['query'] = [value]
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kwargs['selector'] = 'fuzzy'
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elif section == 'try': # try syntax
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parser = SyntaxParser()
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kwargs = vars(parser.parse_args(AutoTry.split_try_string(value)))
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kwargs = {k: v for k, v in kwargs.items() if v != parser.get_default(k)}
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kwargs['selector'] = 'syntax'
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else:
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unknown[section].append("{} = {}".format(name, value))
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continue
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presets.save(name, **kwargs)
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os.remove(old_preset_path)
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if unknown:
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for section, values in unknown.items():
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print("""
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warning: unknown section '{}', the following presets were not migrated:
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{}
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""".format(section, '\n '.join(values)).lstrip())
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