116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
import os
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from glob import glob, escape
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from subprocess import Popen, PIPE
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from contextlib import contextmanager
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from telegram import InlineKeyboardButton
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from db import VidDatabase
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class BadLink(Exception):
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pass
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class Video:
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def __init__(self, link=None, vid=None, init_keyboard=False):
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self.db = VidDatabase("viddb.sqlite3")
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if not self.db.is_valid:
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# Database file not present
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# Create a new database
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self.db.create()
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if vid is None and link is not None:
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self.link = link
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self.file_name = None
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elif vid is not None and link is None:
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self.link, self.code = self.db.select_vid(vid)
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else:
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raise Exception('what is going on?')
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if init_keyboard:
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self.formats = self.get_formats()
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self.keyboard = self.generate_keyboard()
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def get_formats(self):
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formats = {}
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p = Popen(["youtube-dl", "-F", self.link], stdout=PIPE, stderr=PIPE).communicate()
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it = iter(str(p[0], 'utf-8').split('\n')) # iterator of output lines
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try:
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while "code extension" not in next(it):
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pass # Remove garbage lines
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except StopIteration:
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raise BadLink("youtube-dl couldn't download the link you provided") # Isn't a valid youtube link
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while True:
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try:
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line = next(it)
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if not line:
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raise StopIteration # Usually the last line is empty
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if "video only" in line:
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continue # I don't need video without audio
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except StopIteration:
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break
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else:
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format_code, extension, resolution, *_ = line.strip().split()
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key = '{},{}'.format(extension, resolution)
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index = self.db.insert_vid(self.link, format_code)
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formats[key] = index
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return formats
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def generate_keyboard(self):
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""" Generate a list of InlineKeyboardButton of resolutions """
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kb = []
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for key in self.formats.keys():
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cb = "{}".format(self.formats[key])
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kb.append([InlineKeyboardButton(key, callback_data=cb)])
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return kb
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def download(self):
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p = Popen(["youtube-dl", "-f", self.code, self.link], stdout=PIPE, stderr=PIPE).communicate()
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for line in str(p[0], 'utf-8').split('\n'):
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if "[download] Destination:" in line:
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self.file_name = line[24:] # name of the file
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def check_dimension(self):
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if os.path.getsize(self.file_name) > 50 * 1024 * 1023:
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Popen(["split", "-b", "49M", self.file_name, self.file_name])
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os.remove(self.file_name)
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return glob(escape(self.file_name) + '*')
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@contextmanager
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def send(self):
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files = self.check_dimension() # split if size >= 50MB
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yield files
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for f in files: # removing old files
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os.remove(f)
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#__________________________OLD STUFFS, TOUCH CAREFULLY__________________________
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# this is the soft-split version, require avconv, but the audio isn't synchronized, avconv's problems :(
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'''
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def get_duration(filepath): # get duration in seconds
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cmd = "avconv -i %s" % filepath
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p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
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di = p.communicate()
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for line in di:
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if line.rfind(b"Duration") > 0:
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duration = str(re.findall(b"Duration: (\d+:\d+:[\d.]+)", line)[0])
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return 3600 * int(duration[2: 4]) + 60 * int(duration[5: 7]) + int(duration[8: 10])
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def check_dimension(f): # if f is bigger than 50MB split it in subvideos
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if os.path.getsize(f) > 50 * 1024 * 1023:
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duration = get_duration(f)
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for i in range(0, duration, 180):
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start = strftime("%H:%M:%S", strptime('{0} {1} {2}'.format(i // 3600, (i // 60) % 60, i % 60), "%H %M %S")) # TODO this is not pythonic code!
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os.system("""avconv -i '{0}' -vcodec copy -acodec copy -ss {1} -t {2} 'part_{3}.mp4'""".format(f, start, 180, (i // 180) % 180))
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os.remove(f) # delete original file
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'''
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