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[debian] initial Debian package management support
This commit is contained in:
Vinicius Moreira
140
bauh/gems/debian/gui.py
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140
bauh/gems/debian/gui.py
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from operator import attrgetter
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from typing import Collection, Optional, Tuple, List
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from bauh.api.abstract.handler import ProcessWatcher
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from bauh.api.abstract.view import InputOption, MultipleSelectComponent, TextComponent
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from bauh.commons.html import bold
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from bauh.commons.system import get_human_size_str
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from bauh.gems.debian import DEBIAN_ICON_PATH
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from bauh.gems.debian.model import DebianPackage
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from bauh.view.util.translation import I18n
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class DebianViewBridge:
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def __init__(self, screen_width: int, screen_heigth: int, i18n: I18n):
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self._i18n = i18n
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self._width = screen_width
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self._height = screen_heigth
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def _map_to_install(self, pkgs: Optional[Collection[DebianPackage]]) -> Optional[Tuple[List[InputOption], str, str]]:
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if pkgs:
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download_size, install_size = 0, 0
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views = []
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for p in pkgs:
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if p.compressed_size is not None and p.compressed_size >= 0:
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compressed = get_human_size_str(p.compressed_size)
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download_size += p.compressed_size
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else:
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compressed = '?'
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if p.transaction_size is not None:
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install_size += p.transaction_size
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uncompressed = get_human_size_str(p.transaction_size)
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else:
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uncompressed = '?'
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views.append(InputOption(label=f"{p.name} ({compressed} | {uncompressed})",
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value=p.name, read_only=True, icon_path=DEBIAN_ICON_PATH,
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tooltip=p.description if p.description else '?'))
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dsize = get_human_size_str(download_size) if download_size > 0 else '?'
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isize = get_human_size_str(install_size) if install_size > 0 else '?'
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return views, dsize, isize
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def _map_to_remove(self, pkgs: Optional[Collection[DebianPackage]]) -> Optional[Tuple[List[InputOption], str]]:
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if pkgs:
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freed_space = 0
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views = []
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for p in pkgs:
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if p.transaction_size is not None:
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size = p.transaction_size * (-1 if p.transaction_size < 0 else 1)
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freed_space += size
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uncompressed = get_human_size_str(size)
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else:
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uncompressed = '?'
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views.append(InputOption(label=f"{p.name} (-{uncompressed})",
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value=p.name, read_only=True, icon_path=DEBIAN_ICON_PATH,
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tooltip=p.description if p.description else '?'))
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return views, f'-{get_human_size_str(freed_space)}' if freed_space > 0 else '?'
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def confirm_transaction(self, to_install: Optional[Collection[DebianPackage]],
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removal: Optional[Collection[DebianPackage]],
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watcher: ProcessWatcher) -> bool:
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components = []
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to_remove_data = self._map_to_remove(removal)
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text_width, select_width = 672, 595
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if to_remove_data:
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to_remove_data[0].sort(key=attrgetter('label'))
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lb_rem = self._i18n['debian.transaction.to_remove'].format(no=bold(str(len(to_remove_data[0]))),
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fspace=bold(to_remove_data[1]))
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components.append(TextComponent(html=lb_rem, min_width=text_width))
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components.append(MultipleSelectComponent(id_='rem', options=to_remove_data[0], label=None,
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default_options={*to_remove_data[0]},
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max_width=select_width))
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to_install_data = self._map_to_install(to_install)
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if to_install_data:
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to_install_data[0].sort(key=attrgetter('label'))
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lb_deps = self._i18n['debian.transaction.to_install'].format(no=bold(str(len(to_install_data[0]))),
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dsize=bold(to_install_data[1]),
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isize=bold(to_install_data[2]))
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components.append(TextComponent(html=f'<br/>{lb_deps}', min_width=text_width))
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components.append(MultipleSelectComponent(id_='inst', label='', options=to_install_data[0],
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default_options={*to_install_data[0]},
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max_width=select_width))
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return watcher.request_confirmation(title=self._i18n['debian.transaction.title'],
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components=components,
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confirmation_label=self._i18n['popup.button.continue'],
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deny_label=self._i18n['popup.button.cancel'],
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body=None,
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min_width=text_width,
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min_height=54)
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def confirm_removal(self, source_pkg: str, dependencies: Collection[DebianPackage], watcher: ProcessWatcher) -> bool:
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dep_views = []
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freed_space = 0
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for p in sorted(dependencies, key=attrgetter('name')):
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if p.transaction_size is not None:
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size = p.transaction_size * (-1 if p.transaction_size < 0 else 1)
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freed_space += size
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size_str = get_human_size_str(size)
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else:
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size_str = '?'
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dep_views.append(InputOption(label=f"{p.name}: -{size_str}", value=p.name, read_only=True,
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icon_path=DEBIAN_ICON_PATH, tooltip=p.description))
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deps_container = MultipleSelectComponent(id_='deps', label='', options=dep_views, default_options={*dep_views},
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max_width=537)
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freed_space_str = bold('-' + get_human_size_str(freed_space))
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body_text = TextComponent(html=self._i18n['debian.remove_deps'].format(no=bold(str(len(dependencies))),
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pkg=bold(source_pkg),
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fspace=freed_space_str),
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min_width=653)
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return watcher.request_confirmation(title=self._i18n['debian.transaction.title'],
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components=[body_text, deps_container],
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confirmation_label=self._i18n['popup.button.continue'],
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deny_label=self._i18n['popup.button.cancel'],
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body=None)
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def confirm_purge(self, pkg_name: str, watcher: ProcessWatcher) -> bool:
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msg = self._i18n['debian.action.purge.confirmation'].format(pkg=bold(pkg_name))
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return watcher.request_confirmation(title=self._i18n['debian.action.purge'],
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body=msg,
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confirmation_label=self._i18n['popup.button.continue'])
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