nicovideo-dl-0.0.20120212/ 0000755 0001750 0001750 00000000000 11772077705 014542 5 ustar paulliu paulliu nicovideo-dl-0.0.20120212/nicovideo-dl 0000755 0001750 0001750 00000046553 11772077705 017061 0 ustar paulliu paulliu #!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2009 Keiichiro Nagano
# Copyright (c) 2009 Kimura Youichi
# Copyright (c) 2006-2008 Ricardo Garcia Gonzalez
# Copyright (c) 2008 Ying-Chun Liu (PaulLiu)
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name(s) of the above copyright
# holders shall not be used in advertising or otherwise to promote the
# sale, use or other dealings in this Software without prior written
# authorization.
#
import getpass
import httplib
import math
import netrc
import optparse
import os
import re
import socket
import string
import sys
import time
import urllib2
import cgi
import codecs
import xml.parsers.expat
# Global constants
const_version = '2011.02.08'
const_project_url = 'http://sourceforge.jp/projects/nicovideo-dl'
const_1k = 1024
const_initial_block_size = 10 * const_1k
const_epsilon = 0.0001
const_timeout = 120
const_video_url_str = 'http://www.nicovideo.jp/watch/%s'
const_video_url_re = re.compile(r'^((?:http://)?(?:\w+\.)?(?:nicovideo\.jp/(?:v/|(?:watch(?:\.php)?))?/)?(\w+))')
const_login_url_str = 'https://secure.nicovideo.jp/secure/login?site=niconico'
const_login_post_str = 'current_form=login&mail=%s&password=%s&login_submit=Log+In'
const_url_url_param_re = re.compile(r"url[=](http[^&]*)")
const_video_url_info_str = 'http://www.nicovideo.jp/api/getflv?v=%s&as3=1'
const_video_title_re = re.compile(r'(.*)', re.M | re.I)
const_video_type_re = re.compile(r'^http://.*\.nicovideo\.jp/smile\?(.*?)=.*')
const_comment_getthreadkey_url_str = 'http://flapi.nicovideo.jp/api/getthreadkey?thread=%s'
const_comment_request_str = ''
# Print error message, followed by standard advice information, and then exit
def error_advice_exit(error_text):
sys.stderr.write('Error: %s.\n' % error_text)
sys.stderr.write('Try again several times. It may be a temporary problem.\n')
sys.stderr.write('Other typical problems:\n\n')
sys.stderr.write('* Video no longer exists.\n')
sys.stderr.write('* You provided the account data, but it is not valid.\n')
sys.stderr.write('* The connection was cut suddenly for some reason.\n')
sys.stderr.write('* Your account is free and perhaps only usable at 02:00 to 19:00 (+0900).\n')
sys.stderr.write('* Niconico changed their system, and the program no longer works.\n')
sys.stderr.write('\nTry to confirm you are able to view the video using a web browser.\n')
sys.stderr.write('Use the same video URL and account information, if needed, with this program.\n')
sys.stderr.write('When using a proxy, make sure http_proxy has http://host:port format.\n')
sys.stderr.write('Try again several times and contact me if the problem persists.\n')
sys.exit('\n')
# Wrapper to create custom requests with typical headers
def request_create(url, extra_headers, post_data=None):
retval = urllib2.Request(url)
if post_data is not None:
retval.add_data(post_data)
retval.add_header('User-Agent', 'nicovideo-dl/%s (%s)' % (const_version, const_project_url))
retval.add_header('Accept-Charset', 'ISO-8859-1,utf-8;q=0.7,*;q=0.7')
retval.add_header('Accept', 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5')
retval.add_header('Accept-Language', 'en-us,en;q=0.5')
if extra_headers is not None:
for header in extra_headers:
retval.add_header(header[0], header[1])
return retval
# Perform a request, process headers and return response
def perform_request(url, headers=None, data=None):
request = request_create(url, headers, data)
response = urllib2.urlopen(request)
return response
# Conditional print
def cond_print(str):
global cmdl_opts
if not (cmdl_opts.quiet or cmdl_opts.get_url):
sys.stdout.write(str)
sys.stdout.flush()
# Title string normalization
def title_string_norm(title):
title_s = unicode(title.decode('utf-8', 'ignore'))
for title_p in [u'‐ニコニコ動画(SP1)',
u'‐ニコニコ動画(夏)',
u'‐ニコニコ動画(秋)', # as of Oct 2008
u'‐ニコニコ動画(冬)', # as of 5 Dec 2008
u'‐ニコニコ動画(ββ)', # as of 12 Dec 2008
u'‐ニコニコ動画(9)', # as of 29 Oct 2009
u'‐ ニコニコ動画(原宿)', # as of 29 Oct 2010
]:
if (title_s.endswith(title_p)):
title_s = title_s[:title_s.rfind(title_p)]
break
title_s = title_s.replace(os.sep, u'%')
title_s = u'_'.join(title_s.split())
title_s = title_s.encode('utf-8','ignore')
return title_s
# Title string minimal transformation
def title_string_touch(title):
return title.replace(os.sep, '%')
# Generic download step
def download_step(return_data_flag, step_title, step_error, url, post_data=None):
try:
cond_print('%s... ' % step_title)
response = perform_request(url, data=post_data)
data = response.read()
cond_print('done.\n')
if return_data_flag:
return data, response
return None
except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error):
cond_print('failed.\n')
error_advice_exit(step_error)
except KeyboardInterrupt:
sys.exit('\n')
# Generic extract step
def extract_step(step_title, step_error, regexp, data):
try:
cond_print('%s... ' % step_title)
match = regexp.search(data)
if match is None:
cond_print('failed.\n')
error_advice_exit(step_error)
extracted_data = match.group(1)
cond_print('done.\n')
return extracted_data
except KeyboardInterrupt:
sys.exit('\n')
# Calculate new block size based on previous block size
def new_block_size(before, after, bytes):
new_min = max(bytes / 2.0, 1.0)
new_max = max(bytes * 2.0, 1.0)
dif = after - before
if dif < const_epsilon:
return int(new_max)
rate = bytes / dif
if rate > new_max:
return int(new_max)
if rate < new_min:
return int(new_min)
return int(rate)
# Get optimum 1k exponent to represent a number of bytes
def optimum_k_exp(num_bytes):
global const_1k
if num_bytes == 0:
return 0
return long(math.log(num_bytes, const_1k))
# Get optimum representation of number of bytes
def format_bytes(num_bytes):
global const_1k
try:
exp = optimum_k_exp(num_bytes)
suffix = 'bkMGTPEZY'[exp]
if exp == 0:
return '%s%s' % (num_bytes, suffix)
converted = float(num_bytes) / float(const_1k**exp)
return '%.2f%s' % (converted, suffix)
except IndexError:
sys.exit('Error: internal error formatting number of bytes.')
# Calculate ETA and return it in string format as MM:SS
def calc_eta(start, now, total, current):
dif = now - start
if current == 0 or dif < const_epsilon:
return '--:--'
rate = float(current) / dif
eta = long((total - current) / rate)
(eta_mins, eta_secs) = divmod(eta, 60)
if eta_mins > 99:
return '--:--'
return '%02d:%02d' % (eta_mins, eta_secs)
# Calculate speed and return it in string format
def calc_speed(start, now, bytes):
dif = now - start
if bytes == 0 or dif < const_epsilon:
return 'N/A b'
return format_bytes(float(bytes) / dif)
# Download comment and save to the file
def download_comment(cmdl_opts, video_url, video_filename, video_url_id, video_info_data):
def extract_param(param, key):
if param.has_key(key):
return param[key][0]
else:
error_advice_exit('cannot extract %s parameter' % key)
def post(name, url, post_data=None):
data, res = download_step(True, 'Retrieving %s' % name, 'unable to get %s' % name, url, post_data=post_data)
return data
def get_thread_info():
url = const_comment_getthreadkey_url_str % video_url_id
data = post('thread key', url)
info = cgi.parse_qs(data)
return extract_param(info, "threadkey"), extract_param(info, "force_184")
def make_request(thread_id, user_id):
options = ''
if video_url_id.isdigit():
options = ' threadkey="%s" force_184="%s"' % get_thread_info()
return const_comment_request_str % (thread_id, user_id, options)
def parse_comment_xml(comment_xml):
comments = []
def start(name, attrs):
if name == 'chat':
comments.append([int(attrs['vpos']), None])
def text(data):
comments[-1][1] = data
parser = xml.parsers.expat.ParserCreate()
parser.StartElementHandler = start
parser.CharacterDataHandler = text
parser.Parse(comment_xml)
comments.sort()
return comments
def write_comments(comments, f):
f.write('comments for %s on %s\n' % (video_url, time.asctime()))
if all(vpos < 600000 for vpos, comment in comments):
timestamp = '%02d:%02d '
else:
timestamp = '%03d:%02d '
for vpos, comment in comments:
f.write(timestamp % divmod(vpos / 100, 60))
f.write(comment)
f.write('\n')
info = cgi.parse_qs(video_info_data)
thread_id = extract_param(info, "thread_id")
user_id = extract_param(info, "user_id")
msg_url = extract_param(info, "ms")
request_xml = make_request(thread_id, user_id)
comment_xml = post('comment', msg_url, post_data=request_xml)
outfile = cmdl_opts.comment_outfile
if outfile is None:
if cmdl_opts.comment_in_xml:
outfile = '%s.xml' % video_filename
else:
outfile = '%s.txt' % video_filename
try:
f = codecs.open(outfile, 'w', 'utf-8')
except (IOError, OSError):
sys.exit('Error: unable to open "%s" for writing.' % outfile)
if cmdl_opts.comment_in_xml:
f.write(comment_xml.decode('utf-8'))
else:
write_comments(parse_comment_xml(comment_xml), f)
f.close()
cond_print('comment saved to %s\n' % outfile)
# Create the command line options parser and parse command line
cmdl_usage = 'usage: %prog [options] video_url'
cmdl_version = const_version
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')
cmdl_parser.add_option('-u', '--username', dest='username', metavar='USERNAME', help='account username')
cmdl_parser.add_option('-p', '--password', dest='password', metavar='PASSWORD', help='account password')
cmdl_parser.add_option('-o', '--output', dest='outfile', metavar='FILE', help='output video file name')
cmdl_parser.add_option('-q', '--quiet', action='store_true', dest='quiet', help='activates quiet mode')
cmdl_parser.add_option('-s', '--simulate', action='store_true', dest='simulate', help='do not download video')
cmdl_parser.add_option('-t', '--title', action='store_true', dest='use_title', help='use title in file name')
cmdl_parser.add_option('-l', '--literal', action='store_true', dest='use_literal', help='use literal title in file name')
cmdl_parser.add_option('-n', '--netrc', action='store_true', dest='use_netrc', help='use .netrc authentication data')
cmdl_parser.add_option('-g', '--get-url', action='store_true', dest='get_url', help='print final video URL only')
cmdl_parser.add_option('-2', '--title-too', action='store_true', dest='get_title', help='used with -g, print title too')
cmdl_parser.add_option('-c', '--get-comment', action='store_true', dest='get_comment', help='download comment')
cmdl_parser.add_option('-x', '--raw-comment', action='store_true', dest='comment_in_xml', help='save comment in raw xml')
cmdl_parser.add_option('--comment-output', dest='comment_outfile', metavar='FILE', help='output comment file name')
(cmdl_opts, cmdl_args) = cmdl_parser.parse_args()
# Set socket timeout
socket.setdefaulttimeout(const_timeout)
# Get video URL
if len(cmdl_args) == 0:
cmdl_parser.print_help()
sys.exit('\n')
# Check conflicting options
if cmdl_opts.outfile is not None and (cmdl_opts.simulate or cmdl_opts.get_url):
sys.stderr.write('Warning: video file name given but will not be used.\n')
if cmdl_opts.outfile is not None and (cmdl_opts.use_title or cmdl_opts.use_literal):
sys.exit('Error: using the video title conflicts with using a given file name.')
if cmdl_opts.use_title and cmdl_opts.use_literal:
sys.exit('Error: cannot use title and literal title at the same time.')
if cmdl_opts.quiet and cmdl_opts.get_url:
sys.exit('Error: cannot be quiet and print final URL at the same time.')
# Incorrect option formatting
if cmdl_opts.username is None and cmdl_opts.password is not None:
sys.exit('Error: password give but username is missing.')
if cmdl_opts.use_netrc and (cmdl_opts.username is not None or cmdl_opts.password is not None):
sys.exit('Error: cannot use netrc and username/password at the same time.')
if cmdl_opts.get_url is None and cmdl_opts.get_title is not None:
sys.exit('Error: getting title requires getting URL.')
# Get account information if any
account_username = None
account_password = None
if cmdl_opts.use_netrc:
try:
info = netrc.netrc().authenticators('nicovideo')
if info is None:
sys.exit('Error: no authenticators for machine nicovideo.')
netrc_username = info[0]
netrc_password = info[2]
except IOError:
sys.exit('Error: unable to read .netrc file.')
except netrc.NetrcParseError:
sys.exit('Error: unable to parse .netrc file.')
if cmdl_opts.password is not None:
account_username = cmdl_opts.username
account_password = cmdl_opts.password
else:
if cmdl_opts.username is not None and cmdl_opts.use_netrc:
if cmdl_opts.username != netrc_username:
sys.exit('Error: conflicting username from .netrc and command line options.')
account_username = cmdl_opts.username
account_password = netrc_password
elif cmdl_opts.username is not None:
account_username = cmdl_opts.username
account_password = getpass.getpass('Type Niconico password and press return: ')
elif cmdl_opts.use_netrc:
if len(netrc_username) == 0:
sys.exit('Error: empty username in .netrc file.')
account_username = netrc_username
account_password = netrc_password
elif account_username is None:
account_username = raw_input("Type Niconico E-mail account: ")
account_password = getpass.getpass('Type Niconico password and press return: ')
# Install cookie and proxy handlers
urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
# Log in
if account_username is not None:
url = const_login_url_str
post = const_login_post_str % (account_username, account_password)
download_step(False, 'Logging in', 'unable to log in', url, post)
for video_url_cmdl in cmdl_args:
# Verify video URL format and convert to "standard" format
video_url_mo = const_video_url_re.match(video_url_cmdl)
if video_url_mo is None:
sys.exit('Error: URL does not seem to be a niconico video URL. If it is, report a bug.')
video_url_id = video_url_mo.group(2)
video_url = const_video_url_str % video_url_id
video_extension = '.flv'
# Retrieve video webpage
video_webpage, response = download_step(True, 'Retrieving video webpage', 'unable to retrieve video webpage', video_url)
# Reconvert URL if redirected
if response.geturl() != video_url:
video_url_id = const_video_url_re.match(response.geturl()).group(2)
video_url = const_video_url_str % video_url_id
# Extract video title if needed
if cmdl_opts.use_title or cmdl_opts.use_literal or cmdl_opts.get_title:
video_title = extract_step('Extracting video title', 'unable to extract video title', const_video_title_re, video_webpage)
# Extract needed video URL parameters
video_url_info = const_video_url_info_str % video_url_id
video_info_data, response = download_step(True, 'Retrieving info data', 'unable to retrieve video webpage', video_url_info)
cond_print('Extracting URL "url" parameter... ')
video_url_url_param = cgi.parse_qs(video_info_data)
if (video_url_url_param.has_key("url")):
video_url_url_param=video_url_url_param["url"][0]
else:
error_advice_exit('cannot extract url parameter')
cond_print('done.\n')
video_url_real = (video_url_url_param)
# Extract video type and modify video_extension
video_type_mo = const_video_type_re.match(video_url_real)
if (video_type_mo):
if video_type_mo.group(1) == "s":
video_extension = ".swf"
elif video_type_mo.group(1) == "m":
video_extension = ".mp4"
# Get output file name
if cmdl_opts.outfile is None:
video_filename = '%s%s' % (video_url_id, video_extension)
else:
video_filename = cmdl_opts.outfile
# Rebuild filename if needed
if cmdl_opts.use_title or cmdl_opts.use_literal:
if cmdl_opts.use_title:
prefix = title_string_norm(video_title)
else:
prefix = title_string_touch(video_title)
video_filename = '%s-%s%s' % (prefix, video_url_id, video_extension)
# Check name
if not video_filename.lower().endswith(video_extension):
sys.stderr.write('Warning: video file name does not end in %s\n' % video_extension)
# Download and save comment
if cmdl_opts.get_comment:
download_comment(cmdl_opts, video_url, video_filename, video_url_id, video_info_data)
# Retrieve video data
try:
cond_print('Requesting video file... ')
video_data = perform_request(video_url_real)
cond_print('done.\n')
cond_print('Video data found at %s\n' % video_data.geturl())
if cmdl_opts.get_title:
print video_title
if cmdl_opts.get_url:
print video_data.geturl()
if cmdl_opts.simulate or cmdl_opts.get_url:
continue
try:
video_file = open(video_filename, 'wb')
except (IOError, OSError):
sys.exit('Error: unable to open "%s" for writing.' % video_filename)
try:
video_len = long(video_data.info()['Content-length'])
video_len_str = format_bytes(video_len)
except KeyError:
video_len = None
video_len_str = 'N/A'
byte_counter = 0
block_size = const_initial_block_size
start_time = time.time()
while True:
if video_len is not None:
percent = float(byte_counter) / float(video_len) * 100.0
percent_str = '%.1f' % percent
eta_str = calc_eta(start_time, time.time(), video_len, byte_counter)
else:
percent_str = '---.-'
eta_str = '--:--'
counter = format_bytes(byte_counter)
speed_str = calc_speed(start_time, time.time(), byte_counter)
cond_print('\rRetrieving video data: %5s%% (%8s of %s) at %8s/s ETA %s ' % (percent_str, counter, video_len_str, speed_str, eta_str))
before = time.time()
video_block = video_data.read(block_size)
after = time.time()
dl_bytes = len(video_block)
if dl_bytes == 0:
break
byte_counter += dl_bytes
video_file.write(video_block)
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 amount of data')
video_file.close()
cond_print('done.\n')
cond_print('Video data saved to %s\n' % video_filename)
except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error):
cond_print('failed.\n')
error_advice_exit('unable to download video data')
except KeyboardInterrupt:
sys.exit('\n')
# Finish
sys.exit()