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mirror of https://github.com/instaloader/instaloader.git synced 2024-11-04 09:22:29 +01:00
instaloader/instagram.py

307 lines
14 KiB
Python
Executable File

#!/usr/bin/env python3
import re, json, datetime, shutil, os, time, random, sys, pickle, getpass
from io import BytesIO
from argparse import ArgumentParser
import requests
DEFAULTSESSIONFILE = "/tmp/.instaloadersession"
class DownloaderException(Exception):
pass
class ProfileNotExistsException(DownloaderException):
pass
class ProfileHasNoPicsException(DownloaderException):
pass
class PrivateProfileNotFollowedException(DownloaderException):
pass
class LoginRequiredException(DownloaderException):
pass
def log(*msg, sep='', end='\n', flush=False, quiet=False):
if not quiet:
print(*msg, sep=sep, end=end, flush=flush)
def get_json(name, max_id = 0, session=None, sleep_min_max=[1,5]):
if session is None:
session = get_session(None, None, True)
resp = session.get('http://www.instagram.com/'+name, \
params={'max_id': max_id})
time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random()+abs(sleep_min_max[0]))
match = re.search('window\._sharedData = .*<', resp.text)
if match is None:
return None
else:
return json.loads(match.group(0)[21:-2])
def get_last_id(data):
if len(data["entry_data"]) == 0 or \
len(data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]) == 0:
return None
else:
data = data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]
return int(data[len(data)-1]["id"])
def epoch_to_string(epoch):
return datetime.datetime.fromtimestamp(epoch).strftime('%Y-%m-%d_%H-%M-%S')
def get_file_extension(url):
match = re.search('\.[a-z]*\?', url)
if match is None:
return url[-3:]
else:
return match.group(0)[1:-1]
def download_pic(name, url, date_epoch, outputlabel=None, quiet=False):
# Returns true, if file was actually downloaded, i.e. updated
if outputlabel is None:
outputlabel = epoch_to_string(date_epoch)
filename = name.lower() + '/' + epoch_to_string(date_epoch) + '.' + get_file_extension(url)
if os.path.isfile(filename):
log(outputlabel + ' exists', end=' ', flush=True, quiet=quiet)
return False
resp = get_session(None, None, True).get(url, stream=True)
if resp.status_code == 200:
log(outputlabel, end=' ', flush=True, quiet=quiet)
os.makedirs(name.lower(), exist_ok=True)
with open(filename, 'wb') as file:
resp.raw.decode_content = True
shutil.copyfileobj(resp.raw, file)
os.utime(filename, (datetime.datetime.now().timestamp(), date_epoch))
return True
else:
raise DownloaderException("file \'" + url + "\' could not be downloaded")
def save_caption(name, date_epoch, caption, quiet=False):
filename = name.lower() + '/' + epoch_to_string(date_epoch) + '.txt'
if os.path.isfile(filename):
with open(filename, 'r') as file:
file_caption = file.read()
if file_caption == caption:
log('txt unchanged', end=' ', flush=True, quiet=quiet)
return None
else:
def get_filename(index):
return filename if index==0 else (filename[:-4] + '_old_' + \
(str(0) if index<10 else str()) + str(index) + filename[-4:])
i = 0
while os.path.isfile(get_filename(i)):
i = i + 1
for index in range(i, 0, -1):
os.rename(get_filename(index-1), get_filename(index))
log('txt updated', end=' ', flush=True, quiet=quiet)
log('txt', end=' ', flush=True, quiet=quiet)
os.makedirs(name.lower(), exist_ok=True)
with open(filename, 'w') as text_file:
text_file.write(caption)
os.utime(filename, (datetime.datetime.now().timestamp(), date_epoch))
def download_profilepic(name, url, quiet=False):
date_object = datetime.datetime.strptime(requests.head(url).headers["Last-Modified"], \
'%a, %d %b %Y %H:%M:%S GMT')
filename = name.lower() + '/' + epoch_to_string(date_object.timestamp()) + \
'_UTC_profile_pic.' + url[-3:]
if os.path.isfile(filename):
log(filename + ' already exists', quiet=quiet)
return None
match = re.search('http.*://.*instagram.*[^/]*\.(com|net)/[^/]+/.', url)
if match is None:
raise DownloaderException("url \'" + url + "\' could not be processed")
index = len(match.group(0))-1
offset = 8 if match.group(0)[-1:] == 's' else 0
url = url[:index] + 's2048x2048' + ('/' if offset == 0 else str()) + url[index+offset:]
resp = get_session(None, None, True).get(url, stream=True)
if resp.status_code == 200:
log(filename, quiet=quiet)
os.makedirs(name.lower(), exist_ok=True)
with open(filename, 'wb') as file:
resp.raw.decode_content = True
shutil.copyfileobj(resp.raw, file)
os.utime(filename, (datetime.datetime.now().timestamp(), date_object.timestamp()))
else:
raise DownloaderException("file \'" + url + "\' could not be downloaded")
def save_object(obj, filename, quiet=False):
if filename is None:
filename = DEFAULTSESSIONFILE
with open(filename, 'wb') as file:
log("Saved session to %s." % filename, quiet=quiet)
os.chmod(filename, 0o600)
shutil.copyfileobj(BytesIO(pickle.dumps(obj, -1)), file)
def load_object(filename, quiet=False):
if filename is None:
filename = DEFAULTSESSIONFILE
if os.path.isfile(filename):
with open(filename, 'rb') as sessionfile:
obj = pickle.load(sessionfile)
log("Loaded session from %s." % filename, quiet=quiet)
return obj
def test_login(user, session):
if user is None or session is None:
return False
resp = session.get('https://www.instagram.com/')
time.sleep(4 * random.random() + 1)
return resp.text.find(user.lower()) != -1
def get_session(user, passwd, empty_session_only=False, session=None):
def instaheader():
user_agent = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 ' \
'(KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36'
header = { 'Accept-Encoding' : 'gzip, deflate', \
'Accept-Language' : 'en-US,en;q=0.8', \
'Connection' : 'keep-alive', \
'Content-Length' : '0', \
'Host' : 'www.instagram.com', \
'Origin' : 'https://www.instagram.com', \
'Referer' : 'https://www.instagram.com/', \
'User-Agent' : user_agent, \
'X-Instagram-AJAX' : '1', \
'X-Requested-With' : 'XMLHttpRequest'}
if empty_session_only:
del header['Host']
del header['Origin']
del header['Referer']
del header['X-Instagram-AJAX']
del header['X-Requested-With']
return header
if session is None:
session = requests.Session()
session.cookies.update({'sessionid' : '', 'mid' : '', 'ig_pr' : '1', \
'ig_vw' : '1920', 'csrftoken' : '', \
's_network' : '', 'ds_user_id' : ''})
session.headers.update(instaheader())
if empty_session_only:
return session
resp = session.get('https://www.instagram.com/')
session.headers.update({'X-CSRFToken':resp.cookies['csrftoken']})
time.sleep(9 * random.random() + 3)
login = session.post('https://www.instagram.com/accounts/login/ajax/', \
data={'password':passwd,'username':user}, allow_redirects=True)
session.headers.update({'X-CSRFToken':login.cookies['csrftoken']})
time.sleep(5 * random.random())
if login.status_code == 200:
if test_login(user, session):
return session, True
else:
print('Login error! Check your credentials!', file=sys.stderr)
return session, False
else:
print('Login error! Connection error!', file=sys.stderr)
return session, False
def download(name, username = None, password = None, sessionfile = None, \
profile_pic_only = False, download_videos = True, fast_update = False, \
sleep_min_max=[0.25,2], quiet=False):
# pylint:disable=too-many-arguments,too-many-locals,too-many-nested-blocks,too-many-branches
# pylint:disable=too-many-statements
# We are aware that this function has many arguments, many local variables, many nested blocks
# and many branches. But we don't care.
session = load_object(sessionfile, quiet=quiet)
data = get_json(name, session=session)
if len(data["entry_data"]) == 0 or "ProfilePage" not in data["entry_data"]:
raise ProfileNotExistsException("user %s does not exist" % name)
else:
download_profilepic(name, data["entry_data"]["ProfilePage"][0]["user"]["profile_pic_url"],
quiet=quiet)
time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random()+abs(sleep_min_max[0]))
if not profile_pic_only and data["entry_data"]["ProfilePage"][0]["user"]["is_private"]:
if not test_login(username, session):
if username is None or password is None:
if quiet:
raise LoginRequiredException("user %s requires login" % name)
while True:
if username is None:
username = input('Enter your Instagram username to login: ')
if password is None:
password = getpass.getpass(
prompt='Enter your corresponding Instagram password: ')
session, status = get_session(username, password, session=session)
if status:
break
username = None
password = None
else:
session, status = get_session(username, password, session=session)
if not status:
raise DownloaderException("aborting due to login error")
data = get_json(name, session=session)
if not data["entry_data"]["ProfilePage"][0]["user"]["followed_by_viewer"]:
raise PrivateProfileNotFollowedException("user %s: private but not followed" % name)
if ("nodes" not in data["entry_data"]["ProfilePage"][0]["user"]["media"] \
or len(data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]) == 0) \
and not profile_pic_only:
raise ProfileHasNoPicsException("user %s: no pics found" % name)
totalcount = data["entry_data"]["ProfilePage"][0]["user"]["media"]["count"]
if not profile_pic_only:
count = 1
while get_last_id(data) is not None:
for node in data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]:
log("[%3i/%3i] " % (count, totalcount), end="", flush=True, quiet=quiet)
count = count + 1
downloaded = download_pic(name, node["display_src"], node["date"], quiet=quiet)
time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random() + \
abs(sleep_min_max[0]))
if "caption" in node:
save_caption(name, node["date"], node["caption"], quiet=quiet)
if node["is_video"] and download_videos:
video_data = get_json('p/' + node["code"], session=session)
download_pic(name, \
video_data['entry_data']['PostPage'][0]['media']['video_url'], \
node["date"], 'mp4', quiet=quiet)
log(quiet=quiet)
if fast_update and not downloaded:
if test_login(username, session):
save_object(session, sessionfile, quiet=quiet)
return username
data = get_json(name, get_last_id(data), session)
time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random()+abs(sleep_min_max[0]))
if test_login(username, session):
save_object(session, sessionfile, quiet=quiet)
return username
def main():
parser = ArgumentParser(description='Simple downloader to fetch all Instagram pics and '\
'captions from a given profile')
parser.add_argument('targets', nargs='+', help='Names of profiles to download')
parser.add_argument('-l', '--login', metavar='login_name',
help='Provide login name for your Instagram account')
parser.add_argument('-p', '--password',
help='Provide password for your Instagram account')
parser.add_argument('-f', '--sessionfile',
help='File to store session key, defaults to '+DEFAULTSESSIONFILE)
parser.add_argument('-P', '--profile-pic-only', action='store_true',
help='Only download profile picture')
parser.add_argument('-V', '--skip-videos', action='store_true',
help='Do not download videos')
parser.add_argument('-F', '--fast-update', action='store_true',
help='Abort at encounter of first already-downloaded picture')
parser.add_argument('-S', '--no-sleep', action='store_true',
help='Do not sleep between actual downloads of pictures')
parser.add_argument('-q', '--quiet', action='store_true',
help='Disable user interaction, i.e. do not print messages (except errors) and fail ' \
'if login credentials are needed but not given.')
args = parser.parse_args()
username = args.login
failedtargets = []
for target in args.targets:
try:
username = download(target, username, args.password, args.sessionfile,
args.profile_pic_only, not args.skip_videos, args.fast_update,
[0,0] if args.no_sleep else [0.25,2], args.quiet)
except (ProfileNotExistsException, ProfileHasNoPicsException,
PrivateProfileNotFollowedException, LoginRequiredException) as err:
failedtargets.append(target)
print("%s" % err, file=sys.stderr)
if len(args.targets) > 1 and len(failedtargets) > 0:
print("Errors occured (see above) while downloading profiles: %s" %
", ".join(failedtargets), file=sys.stderr)
if __name__ == "__main__":
main()