mirror of
https://github.com/spalencsar/bearhub.git
synced 2026-07-06 21:44:16 +02:00
129 lines
4.6 KiB
Python
129 lines
4.6 KiB
Python
import json
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import os
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import re
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from pathlib import Path
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from typing import List, Dict, Tuple, Optional, Callable
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from bauh.gems.arch import pacman
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from bauh.gems.arch.model import ArchPackage
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RE_DESKTOP_ENTRY = re.compile(r'[\n^](Exec|Icon|NoDisplay)\s*=\s*(.+)')
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RE_CLEAN_NAME = re.compile(r'[+*?%]')
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def write_several(pkgs: Dict[str, ArchPackage], overwrite: bool = True, maintainer: str = None, after_desktop_files: Optional[Callable] = None, after_written: Optional[Callable[[str], None]] = None) -> int:
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if overwrite:
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to_cache = {p.name for p in pkgs.values()}
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else:
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to_cache = {p.name for p in pkgs.values() if not os.path.exists(p.get_disk_cache_path())}
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desktop_files = pacman.map_desktop_files(*to_cache)
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if after_desktop_files:
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after_desktop_files()
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if not desktop_files:
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for pkgname in to_cache:
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write(pkg=pkgs[pkgname], maintainer=maintainer, after_written=after_written)
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return len(to_cache)
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else:
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for pkgname in to_cache:
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pkgfiles = desktop_files.get(pkgname)
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if not pkgfiles:
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write(pkg=pkgs[pkgname], maintainer=maintainer, after_written=after_written)
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else:
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desktop_entry = find_best_desktop_entry(pkgname, pkgfiles)
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if desktop_entry:
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write(pkg=pkgs[pkgname], maintainer=maintainer, after_written=after_written,
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desktop_file=desktop_entry[0], command=desktop_entry[1], icon=desktop_entry[2])
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else:
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write(pkg=pkgs[pkgname], maintainer=maintainer, after_written=after_written)
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return len(to_cache)
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def find_best_desktop_entry(pkgname: str, desktop_files: List[str]) -> Optional[Tuple[str, str, str]]:
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if len(desktop_files) == 1:
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exec_icon = read_desktop_exec_and_icon(pkgname, desktop_files[0])
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if exec_icon:
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return desktop_files[0], exec_icon[0], exec_icon[1]
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else:
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# trying to find the exact name match:
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for dfile in desktop_files:
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if dfile.endswith('{}.desktop'.format(pkgname)):
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exec_icon = read_desktop_exec_and_icon(pkgname, dfile)
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if exec_icon:
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return dfile, exec_icon[0], exec_icon[1]
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# trying to find a close name match:
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clean_name = RE_CLEAN_NAME.sub('', pkgname)
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for dfile in desktop_files:
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if dfile.endswith('{}.desktop'.format(clean_name)):
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exec_icon = read_desktop_exec_and_icon(clean_name, dfile)
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if exec_icon:
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return dfile, exec_icon[0], exec_icon[1]
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# finding any match:
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for dfile in desktop_files:
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exec_icon = read_desktop_exec_and_icon(pkgname, dfile)
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if exec_icon:
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return dfile, exec_icon[0], exec_icon[1]
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def read_desktop_exec_and_icon(pkgname: str, desktop_file: str) -> Optional[Tuple[str, str]]:
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if os.path.isfile(desktop_file):
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with open(desktop_file) as f:
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possibilities = set()
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content = f.read()
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cmd, icon = None, None
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for field in RE_DESKTOP_ENTRY.findall(content):
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if field[0] == 'Exec':
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cmd = field[1].strip().replace('"', '')
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elif field[0] == 'Icon':
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icon = field[1].strip()
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elif field[0] == 'NoDisplay' and field[1].strip().lower() == 'true':
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cmd, icon = None, None
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if cmd and icon:
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possibilities.add((cmd, icon))
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cmd, icon = None, None
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if possibilities:
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if len(possibilities) == 1:
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return [*possibilities][0]
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else:
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# trying to find the exact name x command match
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for p in possibilities:
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if p[0].startswith('{} '.format(pkgname)):
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return p
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return sorted(possibilities)[0] # returning any possibility
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def write(pkg: ArchPackage, desktop_file: Optional[str] = None, command: Optional[str] = None,
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icon: Optional[str] = None, maintainer: Optional[str] = None, after_written: Optional[callable] = None):
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pkg.desktop_entry = desktop_file
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pkg.command = command
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pkg.icon_path = icon
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if maintainer and not pkg.maintainer:
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pkg.maintainer = maintainer
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Path(pkg.get_disk_cache_path()).mkdir(parents=True, exist_ok=True)
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data = pkg.get_data_to_cache()
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with open(pkg.get_disk_data_path(), 'w+') as f:
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f.write(json.dumps(data))
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if after_written:
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after_written(pkg.name)
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