Nils
3 years ago
7 changed files with 134 additions and 18086 deletions
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#! /usr/bin/env python3 |
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# -*- coding: utf-8 -*- |
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""" |
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Copyright 2022, Nils Hilbricht, Germany ( https://www.hilbricht.net ) |
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This file is part of the Laborejo Software Suite ( https://www.laborejo.org ), |
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This is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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""" |
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import logging; logger = logging.getLogger(__name__); logger.info("import") |
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from os import getenv |
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import os |
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import pathlib |
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import re |
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""" |
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https://specifications.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html |
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https://specifications.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html#icon_lookup |
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$HOME/.icons (for backwards compatibility) |
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$XDG_DATA_DIRS/icons |
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/usr/share/pixmaps |
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""" |
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EXTENSIONS = [".png", ".xpm", ".svg"] |
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SEARCH_DIRECTORIES = [pathlib.Path(pathlib.Path.home(), ".icons")] |
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XDG_DATA_DIRS = getenv("XDG_DATA_DIRS") #colon : separated, most likely empty |
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if XDG_DATA_DIRS: |
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SEARCH_DIRECTORIES += [pathlib.Path(p, "icons/hicolor") for p in XDG_DATA_DIRS.split(":")] |
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SEARCH_DIRECTORIES += [pathlib.Path(p, "icons/scalable") for p in XDG_DATA_DIRS.split(":")] |
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else: |
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#If $XDG_DATA_DIRS is either not set or empty, a value equal to /usr/local/share/:/usr/share/ should be used. |
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SEARCH_DIRECTORIES += [pathlib.Path(p, "icons/hicolor") for p in "/usr/local/share/:/usr/share/".split(":")] |
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SEARCH_DIRECTORIES += [pathlib.Path(p, "icons/scalable") for p in "/usr/local/share/:/usr/share/".split(":")] |
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SEARCH_DIRECTORIES.append(pathlib.Path("/usr/share/pixmaps")) |
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SEARCH_DIRECTORIES.append(pathlib.Path("/usr/share/icons")) #for icons wrongly put directly there. But many do. |
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SEARCH_DIRECTORIES.append(pathlib.Path("/usr/local/share/icons")) #for icons wrongly put directly there. |
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#TODO: this may become a problem in the future. If a user has *MANY* icon themes installed this might take too long. And all because we wanted the Shuriken icon in Archlinux... |
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SEARCH_DIRECTORIES = set(p.resolve() for p in SEARCH_DIRECTORIES) #resolve follows symlinks, set() makes it unique |
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def run_fast_scandir(dir, ext): |
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""" |
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https://stackoverflow.com/questions/18394147/recursive-sub-folder-search-and-return-files-in-a-list-python |
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""" |
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subfolders, files = [], [] |
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try: |
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for f in os.scandir(dir): |
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if f.is_dir(): |
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subfolders.append(f.path) |
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if f.is_file(): |
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if os.path.splitext(f.name)[1].lower() in ext: |
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files.append(f.path) |
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for dir in list(subfolders): |
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sf, f = run_fast_scandir(dir, ext) |
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subfolders.extend(sf) |
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files.extend(f) |
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except PermissionError: |
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pass |
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except FileNotFoundError: |
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pass |
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return subfolders, files |
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def _buildCache()->set: |
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result = [] |
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for basePath in SEARCH_DIRECTORIES: |
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forget, files = run_fast_scandir(basePath, EXTENSIONS) |
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result += files |
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#Convert str to real paths |
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result = [pathlib.Path(r) for r in result if pathlib.Path(r).is_file()] |
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return set(result) |
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global _cache |
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_cache = None |
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def updateCache(serializedCache:list=None): |
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global _cache |
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if serializedCache: |
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#Convert str to real paths |
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logger.info("Filling icon cache with previously serialized data") |
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_cache = set([pathlib.Path(r) for r in serializedCache if pathlib.Path(r).is_file()]) |
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else: |
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#Already real paths as a set |
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logger.info("Building icon cache from scratch") |
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_cache = _buildCache() |
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logger.info("Icon cache complete") |
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def getSerializedCache()->list: #list of strings, not paths. This is for saving in global system config for faster startup |
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global _cache |
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return [str(p) for p in _cache] |
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rePattern = re.compile("\d+x\d+") #we don't put .* around this because we are searching for the subpattern |
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def findIconPath(executableName:str)->list: |
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""" |
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Parameter executableName can be a direct icon name as well, from the .desktop icon path. |
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Return order is: svg first, then highest resolution first, then the rest unordered. |
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so you can use result[0] for the best variant. |
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It is not guaranteed that [1], or even [0] exists. |
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This is not a sorted list, these extra variants are just added to the front of the list again""" |
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global _cache |
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if not _cache: |
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raise ValueError("You need to call updateCache() first") |
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svg = None |
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bestr = 0 #resolution |
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best = None |
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#Did we get an icon name directly? Remove the extension |
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#For example "ams_32.xpm" becomes "ams_32" |
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exeAsPath = pathlib.Path(executableName) |
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if exeAsPath.suffix in EXTENSIONS: |
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executableName = exeAsPath.stem |
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#for ext in EXTENSIONS: #all extensions |
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# if executableName.endswith(ext): |
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# executableName = executableName[:-4] |
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result = [] |
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for f in _cache: |
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if f.stem == executableName: |
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if f.suffix == ".svg": |
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svg = f |
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else: |
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match = re.search(rePattern, str(f)) #find resolution dir like /48x48/ |
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if match: |
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resolutionAsNumber = int(match.group().split("x")[0]) |
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if resolutionAsNumber > bestr: #new best one |
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bestr = resolutionAsNumber |
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best = f |
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result.append(f) |
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if best: |
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result.insert(0, best) |
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if svg: |
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result.insert(0, svg) |
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if not result: |
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logger.warning(f"Did not find an icon for {executableName}") |
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return result |
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if __name__ == "__main__": |
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"""Example that tries to find a few icons""" |
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updateCache() |
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print("Search paths:") |
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print(SEARCH_DIRECTORIES) |
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print() |
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for exe in ("zynaddsubfx", "patroneo", "jack_mixer", "carla", "ardour6", "synthv1", "ams_32.xpm", "shuriken.png"): |
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r = findIconPath(exe) |
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if r: |
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print (f"{exe} Best resolution: {r[0]}") |
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else: |
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print (f"{exe}: No icon found ") |
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@ -1,17 +0,0 @@ |
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#!/bin/sh |
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sudo pacman -Fy |
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pacman -Fx "/usr/bin/([A-Z])" | cut -d " " -f1 | uniq | sort > allexe.txt |
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pacman -Fl $(pacman -Sg pro-audio |cut -d " " -f2) | cut -d " " -f2 | grep "usr/bin" | uniq | sort > audioexe.txt |
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sed -i -e 's/usr\/bin\///g' audioexe.txt #strip usr/bin yes, the initial / from usr is missing |
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sed '/^[[:space:]]*$/d' -i audioexe.txt #remove empty lines |
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grep -vFf audioexe.txt allexe.txt > grepexcluded2.txt |
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grep '^usr\/bin\/' grepexcluded2.txt > grepexcluded.txt #only keep lines that start with usr/bin. There are some false positives in there |
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sed -i -e 's/usr\/bin\///g' grepexcluded.txt #strip usr/bin yes, the initial / from usr is missing |
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sed '/^[[:space:]]*$/d' -i grepexcluded.txt #remove empty lines |
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rm grepexcluded2.txt |
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rm allexe.txt |
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rm audioexe.txt |
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