const_login_post_str = 'current_form=loginForm&next=%%2Fwatch%%3Fv%%3D%s&username=%s&password=%s&action_login=Log+In'
const_age_url_str = 'http://www.youtube.com/verify_age?next_url=/watch%%3Fv%%3D%s'
const_age_post_str = 'next_url=%%2Fwatch%%3Fv%%3D%s&action_confirm=Confirm'
-const_url_t_param_re = re.compile(r'[,{]t:\'([^\']*)\'')
+const_url_t_param_re = re.compile(r"[,{]t:'([^']*)'")
const_video_url_real_str = 'http://www.youtube.com/get_video?video_id=%s&t=%s'
const_video_title_re = re.compile(r'<title>YouTube - ([^<]*)</title>', re.M | re.I)
const_1k = 1024
const_initial_block_size = 10 * const_1k
+const_epsilon = 0.0001
# Print error message, followed by standard advice information, and then exit
def error_advice_exit(error_text):
new_min = max(bytes / 2.0, 1.0)
new_max = max(bytes * 2.0, 1.0)
dif = after - before
- if dif < 0.0001:
+ if dif < const_epsilon:
return int(new_max)
rate = bytes / dif
if rate > new_max:
# Calculate ETA and return it in string format as MM:SS
def calc_eta(start, now, total, current):
- if current == 0:
+ dif = now - start
+ if current == 0 or dif < const_epsilon:
return '--:--'
- rate = float(current) / (now - start)
+ rate = float(current) / dif
eta = long((total - current) / rate)
eta_mins = eta / 60
eta_secs = eta % 60
# Calculate speed and return it in string format
def calc_speed(start, now, bytes):
- if bytes == 0:
+ dif = now - start
+ if bytes == 0 or dif < const_epsilon:
return 'N/A b'
- return format_bytes(float(bytes) / (now - start))
+ return format_bytes(float(bytes) / dif)
# Create the command line options parser and parse command line
cmdl_usage = 'usage: %prog [options] video_url'
-cmdl_version = '2007.08.24'
+cmdl_version = '2007.10.09'
cmdl_parser = optparse.OptionParser(usage=cmdl_usage, version=cmdl_version, conflict_handler='resolve')
cmdl_parser.add_option('-h', '--help', action='help', help='print this help text and exit')
cmdl_parser.add_option('-v', '--version', action='version', help='print program version and exit')
# Retrieve video data
try:
+ cond_print('Requesting video file... ')
video_data = perform_request(video_url_real)
+ cond_print('done.')
cond_print('Video data found at %s\n' % video_data.geturl())
if cmdl_opts.get_title:
block_size = new_block_size(before, after, dl_bytes)
if video_len is not None and byte_counter != video_len:
- error_advice_exit('server did not send the expected ammount of data')
+ error_advice_exit('server did not send the expected amount of data')
video_file.close()
cond_print('done.\n')