mirror of https://github.com/morpheus65535/bazarr
212 lines
10 KiB
Python
212 lines
10 KiB
Python
import argparse
|
|
import codecs
|
|
import os
|
|
import re
|
|
import os.path as op
|
|
import io
|
|
from io import open
|
|
import sys
|
|
from textwrap import dedent
|
|
from .formats import get_file_extension, FORMAT_IDENTIFIERS
|
|
from .time import make_time
|
|
from .ssafile import SSAFile
|
|
from .common import VERSION
|
|
import logging
|
|
|
|
|
|
def positive_float(s: str) -> float:
|
|
x = float(s)
|
|
if not x > 0:
|
|
raise argparse.ArgumentTypeError("%r is not a positive number" % s)
|
|
return x
|
|
|
|
def character_encoding(s: str) -> str:
|
|
try:
|
|
codecs.lookup(s)
|
|
return s
|
|
except LookupError:
|
|
raise argparse.ArgumentError(None, "unknown character encoding: {}".format(s))
|
|
|
|
|
|
def time(s: str) -> int:
|
|
d = {}
|
|
for v, k in re.findall(r"(\d*\.?\d*)(ms|m|s|h)", s):
|
|
d[k] = float(v)
|
|
return make_time(**d) # type: ignore # Argument 1 has incomp. type "**Dict[Any, float]"; expected "Optional[int]"
|
|
|
|
|
|
def change_ext(path: str, ext: str) -> str:
|
|
base, _ = op.splitext(path)
|
|
return base + ext
|
|
|
|
|
|
class Pysubs2CLI:
|
|
def __init__(self):
|
|
parser = self.parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
|
|
prog="pysubs2",
|
|
description=dedent("""
|
|
The pysubs2 CLI for processing subtitle files.
|
|
https://github.com/tkarabela/pysubs2
|
|
"""),
|
|
epilog=dedent("""
|
|
usage examples:
|
|
python -m pysubs2 --to srt *.ass
|
|
python -m pysubs2 --to srt --clean *.ass
|
|
python -m pysubs2 --to microdvd --fps 23.976 *.ass
|
|
python -m pysubs2 --shift 0.3s *.srt
|
|
python -m pysubs2 --shift 0.3s <my_file.srt >retimed_file.srt
|
|
python -m pysubs2 --shift-back 0.3s --output-dir retimed *.srt
|
|
python -m pysubs2 --transform-framerate 25 23.976 *.srt"""))
|
|
|
|
parser.add_argument("files", nargs="*", metavar="FILE",
|
|
help="Input subtitle files. Can be in SubStation Alpha (*.ass, *.ssa), SubRip (*.srt), "
|
|
"MicroDVD (*.sub) or other supported format. When no files are specified, "
|
|
"pysubs2 will work as a pipe, reading from standard input and writing to standard output.")
|
|
|
|
parser.add_argument("-v", "--version", action="version", version="pysubs2 %s" % VERSION)
|
|
|
|
parser.add_argument("-f", "--from", choices=FORMAT_IDENTIFIERS, dest="input_format",
|
|
help="By default, subtitle format is detected from the file. This option can be used to "
|
|
"skip autodetection and force specific format. Generally, it should never be needed.")
|
|
parser.add_argument("-t", "--to", choices=FORMAT_IDENTIFIERS, dest="output_format",
|
|
help="Convert subtitle files to given format. By default, each file is saved in its "
|
|
"original format.")
|
|
parser.add_argument("--input-enc", metavar="ENCODING", default="utf-8", type=character_encoding,
|
|
help="Character encoding for input files. By default, UTF-8 is used for both "
|
|
"input and output.")
|
|
parser.add_argument("--output-enc", metavar="ENCODING", type=character_encoding,
|
|
help="Character encoding for output files. By default, it is the same as input encoding. "
|
|
"If you wish to convert between encodings, make sure --input-enc is set correctly! "
|
|
"Otherwise, your output files will probably be corrupted. It's a good idea to "
|
|
"back up your files or use the -o option.")
|
|
parser.add_argument("--fps", metavar="FPS", type=positive_float,
|
|
help="This argument specifies framerate for MicroDVD files. By default, framerate "
|
|
"is detected from the file. Use this when framerate specification is missing "
|
|
"or to force different framerate.")
|
|
parser.add_argument("-o", "--output-dir", metavar="DIR",
|
|
help="Use this to save all files to given directory. By default, every file is saved to its parent directory, "
|
|
"ie. unless it's being saved in different subtitle format (and thus with different file extension), "
|
|
"it overwrites the original file.")
|
|
parser.add_argument("--clean", action="store_true",
|
|
help="Attempt to remove non-essential subtitles (eg. karaoke, SSA drawing tags), "
|
|
"strip styling information when saving to non-SSA formats")
|
|
parser.add_argument("--verbose", action="store_true",
|
|
help="Print misc logging")
|
|
|
|
group = parser.add_mutually_exclusive_group()
|
|
|
|
group.add_argument("--shift", metavar="TIME", type=time,
|
|
help="Delay all subtitles by given time amount. Time is specified like this: '1m30s', '0.5s', ...")
|
|
group.add_argument("--shift-back", metavar="TIME", type=time,
|
|
help="The opposite of --shift (subtitles will appear sooner).")
|
|
group.add_argument("--transform-framerate", nargs=2, metavar=("FPS1", "FPS2"), type=positive_float,
|
|
help="Multiply all timestamps by FPS1/FPS2 ratio.")
|
|
|
|
extra_srt_options = parser.add_argument_group("optional arguments (SRT)")
|
|
extra_srt_options.add_argument("--srt-keep-unknown-html-tags", action="store_true",
|
|
help="(input) do not strip unrecognized HTML tags")
|
|
extra_srt_options.add_argument("--srt-keep-html-tags", action="store_true",
|
|
help="(input) do not convert HTML tags to SubStation internally,"
|
|
" this implies --srt-keep-unknown-html-tags")
|
|
extra_srt_options.add_argument("--srt-keep-ssa-tags", action="store_true",
|
|
help="(output) do not convert/strip SubStation tags for output")
|
|
|
|
extra_sub_options = parser.add_argument_group("optional arguments (MicroDVD)")
|
|
extra_sub_options.add_argument("--sub-no-write-fps-declaration", action="store_true",
|
|
help="(output) omit writing FPS as first zero-length subtitle")
|
|
|
|
def __call__(self, argv):
|
|
try:
|
|
self.main(argv)
|
|
except KeyboardInterrupt:
|
|
exit("\nAborted by user.")
|
|
|
|
def main(self, argv):
|
|
args = self.parser.parse_args(argv)
|
|
errors = 0
|
|
|
|
if args.verbose:
|
|
logging.basicConfig(level=logging.DEBUG)
|
|
|
|
if args.output_dir and not op.exists(args.output_dir):
|
|
os.makedirs(args.output_dir)
|
|
|
|
if args.output_enc is None:
|
|
args.output_enc = args.input_enc
|
|
|
|
extra_input_args = {}
|
|
extra_output_args = {}
|
|
if args.srt_keep_unknown_html_tags:
|
|
extra_input_args["keep_unknown_html_tags"] = True
|
|
if args.srt_keep_html_tags:
|
|
extra_input_args["keep_html_tags"] = True
|
|
if args.srt_keep_ssa_tags:
|
|
extra_output_args["keep_ssa_tags"] = True
|
|
if args.sub_no_write_fps_declaration:
|
|
extra_output_args["write_fps_declaration"] = False
|
|
logging.debug("Extra arguments to SSAFile.from_file(): %r", extra_input_args)
|
|
logging.debug("Extra arguments to SSAFile.to_file(): %r", extra_output_args)
|
|
|
|
if args.files:
|
|
for path in args.files:
|
|
if not op.exists(path):
|
|
print("Skipping", path, "(does not exist)")
|
|
errors += 1
|
|
elif not op.isfile(path):
|
|
print("Skipping", path, "(not a file)")
|
|
errors += 1
|
|
else:
|
|
with open(path, encoding=args.input_enc) as infile:
|
|
subs = SSAFile.from_file(infile, args.input_format, args.fps, **extra_input_args)
|
|
|
|
self.process(subs, args)
|
|
|
|
if args.output_format is None:
|
|
outpath = path
|
|
output_format = subs.format
|
|
else:
|
|
ext = get_file_extension(args.output_format)
|
|
outpath = change_ext(path, ext)
|
|
output_format = args.output_format
|
|
|
|
if args.output_dir is not None:
|
|
_, filename = op.split(outpath)
|
|
outpath = op.join(args.output_dir, filename)
|
|
|
|
with open(outpath, "w", encoding=args.output_enc) as outfile:
|
|
subs.to_file(outfile, output_format, args.fps, apply_styles=not args.clean,
|
|
**extra_output_args)
|
|
else:
|
|
infile = io.TextIOWrapper(sys.stdin.buffer, args.input_enc)
|
|
outfile = io.TextIOWrapper(sys.stdout.buffer, args.output_enc)
|
|
|
|
subs = SSAFile.from_file(infile, args.input_format, args.fps)
|
|
self.process(subs, args)
|
|
output_format = args.output_format or subs.format
|
|
subs.to_file(outfile, output_format, args.fps, apply_styles=not args.clean)
|
|
|
|
return (0 if errors == 0 else 1)
|
|
|
|
@staticmethod
|
|
def process(subs, args):
|
|
if args.shift is not None:
|
|
subs.shift(ms=args.shift)
|
|
elif args.shift_back is not None:
|
|
subs.shift(ms=-args.shift_back)
|
|
elif args.transform_framerate is not None:
|
|
in_fps, out_fps = args.transform_framerate
|
|
subs.transform_framerate(in_fps, out_fps)
|
|
|
|
if args.clean:
|
|
subs.remove_miscellaneous_events()
|
|
|
|
|
|
def __main__():
|
|
cli = Pysubs2CLI()
|
|
rv = cli(sys.argv[1:])
|
|
sys.exit(rv)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
__main__()
|