Files
pytchat-fork/pytchat/cli/__init__.py
2020-09-07 23:30:30 +09:00

127 lines
4.8 KiB
Python

import argparse
import os
import sys
import signal
from json.decoder import JSONDecodeError
from pathlib import Path
from .arguments import Arguments
from .. exceptions import InvalidVideoIdException, NoContents, PatternUnmatchError
from .. processors.html_archiver import HTMLArchiver
from .. tool.extract.extractor import Extractor
from .. tool.videoinfo import VideoInfo
from .. util.extract_video_id import extract_video_id
from .. import util
from .. import __version__
'''
Most of CLI modules refer to
Petter Kraabøl's Twitch-Chat-Downloader
https://github.com/PetterKraabol/Twitch-Chat-Downloader
(MIT License)
'''
def main():
# Arguments
parser = argparse.ArgumentParser(description=f'pytchat v{__version__}')
parser.add_argument('-v', f'--{Arguments.Name.VIDEO_IDS}', type=str,
help='Video ID (or URL that includes Video ID). You can specify multiple video IDs by '
'separating them with commas without spaces.\n'
'If ID starts with a hyphen (-), enclose the ID in square brackets.')
parser.add_argument('-o', f'--{Arguments.Name.OUTPUT}', type=str,
help='Output directory (end with "/"). default="./"', default='./')
parser.add_argument(f'--{Arguments.Name.PBAR}', action='store_true',
help='Display rich progress bar')
parser.add_argument(f'--{Arguments.Name.SAVE_ERROR_DATA}', action='store_true',
help='Save error data when error occurs(".dat" file)')
parser.add_argument(f'--{Arguments.Name.VERSION}', action='store_true',
help='Show version')
Arguments(parser.parse_args().__dict__)
if Arguments().pbar:
from .progressbar_rich import ProgressBar
else:
from .progressbar_simple import ProgressBar
if Arguments().print_version:
print(f'pytchat v{__version__} © 2019 taizan-hokuto')
return
# Extractor
if not Arguments().video_ids:
parser.print_help()
return
for video_id in Arguments().video_ids:
if '[' in video_id:
video_id = video_id.replace('[', '').replace(']', '')
try:
video_id = extract_video_id(video_id)
if os.path.exists(Arguments().output):
path = Path(Arguments().output + video_id + '.html')
else:
raise FileNotFoundError
info = VideoInfo(video_id)
print(f"Extracting...\n"
f" video_id: {video_id}\n"
f" channel: {info.get_channel_name()}\n"
f" title: {info.get_title()}")
print(f" output path: {path.resolve()}")
duration = info.get_duration()
pbar = ProgressBar(total=(duration * 1000), status="Extracting")
ex = Extractor(video_id,
callback=pbar._disp,
div=10)
signal.signal(signal.SIGINT, (lambda a, b: cancel(ex, pbar)))
data = ex.extract()
if data == []:
return False
if Arguments().pbar:
pbar.reset("#", "=", total=len(data), status="Rendering ")
else:
pbar.reset("=", "", total=len(data), status="Rendering ")
processor = HTMLArchiver(Arguments().output + video_id + '.html', callback=pbar._disp)
processor.process(
[{'video_id': None,
'timeout': 1,
'chatdata': (action["replayChatItemAction"]["actions"][0] for action in data)}]
)
processor.finalize()
if Arguments().pbar:
pbar.reset('#', '#', status='Completed ')
pbar.close()
else:
pbar.close()
print("\nCompleted")
print()
if pbar.is_cancelled():
print("\nThe extraction process has been discontinued.\n")
return False
return True
except InvalidVideoIdException:
print("Invalid Video ID or URL:", video_id)
except NoContents as e:
print(e)
except FileNotFoundError:
print("The specified directory does not exist.:{}".format(Arguments().output))
except JSONDecodeError as e:
print(e.msg)
print("Cannot parse video information.:{}".format(video_id))
if Arguments().save_error_data:
util.save(e.doc, "ERR_JSON_DECODE", ".dat")
except PatternUnmatchError as e:
print(e.msg)
print("Cannot parse video information.:{}".format(video_id))
if Arguments().save_error_data:
util.save(e.doc, "ERR_PATTERN_UNMATCH", ".dat")
return
def cancel(ex, pbar):
ex.cancel()
pbar.cancel()