Add new scripts

convert_tg_stickers.py

@@ -0,0 +1,82 @@
+import _rssbotlib
+from argparse import ArgumentParser
+from os import listdir
+from os.path import exists, isdir, join
+from subprocess import PIPE, Popen
+from typing import List
+
+
+def get_source_size(src) -> (int, int):
+    f = _rssbotlib.VideoInfo()
+    if not f.parse(src):
+        raise ValueError(f"Failed to parse {src}")
+    s = f.streams
+    for i in s:
+        if i.is_video:
+            return i.width, i.height
+    raise ValueError(f"Failed to find video stream in {src}")
+
+
+def get_png_files(dir: str, r: bool) -> List[str]:
+    if not isdir(dir):
+        return []
+    files = listdir(dir)
+    re = []
+    for file in files:
+        file = join(dir, file)
+        if isdir(file):
+            if r:
+                re += get_png_files(file, r)
+        elif file.endswith('.png') and not file.endswith(f'{arg.suffix}.png'):
+            re.append(file)
+    return re
+
+
+def convert_png(src: str, dest: str, w: int, h: int):
+    p = Popen([arg.ffmpeg, '-i', src, '-vf', f'scale={w}x{h}', "-y", dest],
+              stdout=PIPE, stderr=PIPE)
+    p.wait()
+    if p.returncode != 0:
+        print(p.stdout.read().decode(errors='ignore'))
+        print(p.stderr.read().decode(errors='ignore'))
+        raise ValueError(f"Failed to convert {src} to {dest}")
+    if arg.verbose:
+        print(f"Converted {src} to {dest}")
+
+
+p = ArgumentParser()
+p.add_argument("-m", "--max-length", help="Maximum length of the sticker",
+               type=int, default=512)
+p.add_argument("-r", "--recursive", help="Recursive search",
+               action="store_true", default=False)
+p.add_argument("-s", "--suffix", help="Suffix of the output sticker",
+               default="_tg")
+p.add_argument('-f', '--force', action='store_true', default=False,
+               help='Overwrite existing files')
+p.add_argument('-v', '--verbose', action='store_true', default=False,
+               help='Verbose output')
+p.add_argument('-F', '--ffmpeg', help='Path to ffmpeg', default='ffmpeg')
+p.add_argument("DIR", help="Directory of the stickers", nargs="+")
+arg = p.parse_intermixed_args()
+print(arg)
+for d in arg.DIR:
+    for f in get_png_files(d, arg.recursive):
+        if arg.verbose:
+            print(f"Processing {f}")
+        w, h = get_source_size(f)
+        if arg.verbose:
+            print(f"Source size: {w}x{h}")
+        if w > h:
+            h = round(arg.max_length * h / w)
+            w = arg.max_length
+        else:
+            w = round(arg.max_length * w / h)
+            h = arg.max_length
+        if arg.verbose:
+            print(f"Target size: {w}x{h}")
+        target = f[:-4] + arg.suffix + '.png'
+        if exists(target) and not arg.force:
+            if arg.verbose:
+                print(f"Skip {target}")
+            continue
+        convert_png(f, target, w, h)