mirror of
https://github.com/instaloader/instaloader.git
synced 2024-11-05 01:42:29 +01:00
295 lines
14 KiB
Python
Executable File
295 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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import re, json, datetime, shutil, os, time, random, sys, pickle, getpass
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from io import BytesIO
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from argparse import ArgumentParser
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import requests
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class DownloaderException(Exception):
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pass
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class ProfileNotExistsException(DownloaderException):
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pass
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class ProfileHasNoPicsException(DownloaderException):
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pass
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def log(*msg, sep='', end='\n', flush=False, quiet=False):
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if not quiet:
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print(*msg, sep=sep, end=end, flush=flush)
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def get_json(name, max_id = 0, session=None, sleep_min_max=[1,5]):
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if session is None:
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session = get_session(None, None, True)
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resp = session.get('http://www.instagram.com/'+name, \
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params={'max_id': max_id})
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time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random()+abs(sleep_min_max[0]))
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match = re.search('window\._sharedData = .*<', resp.text)
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if match is None:
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return None
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else:
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return json.loads(match.group(0)[21:-2])
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def get_last_id(data):
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if len(data["entry_data"]) == 0 or \
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len(data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]) == 0:
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return None
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else:
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data = data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]
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return int(data[len(data)-1]["id"])
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def epoch_to_string(epoch):
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return datetime.datetime.fromtimestamp(epoch).strftime('%Y-%m-%d_%H-%M-%S')
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def get_file_extension(url):
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match = re.search('\.[a-z]*\?', url)
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if match is None:
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return url[-3:]
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else:
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return match.group(0)[1:-1]
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def download_pic(name, url, date_epoch, outputlabel=None, quiet=False):
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# Returns true, if file was actually downloaded, i.e. updated
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if outputlabel is None:
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outputlabel = epoch_to_string(date_epoch)
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filename = name.lower() + '/' + epoch_to_string(date_epoch) + '.' + get_file_extension(url)
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if os.path.isfile(filename):
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log(outputlabel + ' exists', end=' ', flush=True, quiet=quiet)
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return False
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resp = get_session(None, None, True).get(url, stream=True)
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if resp.status_code == 200:
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log(outputlabel, end=' ', flush=True, quiet=quiet)
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os.makedirs(name.lower(), exist_ok=True)
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with open(filename, 'wb') as file:
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resp.raw.decode_content = True
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shutil.copyfileobj(resp.raw, file)
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os.utime(filename, (datetime.datetime.now().timestamp(), date_epoch))
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return True
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else:
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raise DownloaderException("file \'" + url + "\' could not be downloaded")
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def save_caption(name, date_epoch, caption, quiet=False):
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filename = name.lower() + '/' + epoch_to_string(date_epoch) + '.txt'
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if os.path.isfile(filename):
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with open(filename, 'r') as file:
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file_caption = file.read()
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if file_caption == caption:
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log('txt unchanged', end=' ', flush=True, quiet=quiet)
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return None
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else:
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def get_filename(index):
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return filename if index==0 else (filename[:-4] + '_old_' + \
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(str(0) if index<10 else str()) + str(index) + filename[-4:])
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i = 0
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while os.path.isfile(get_filename(i)):
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i = i + 1
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for index in range(i, 0, -1):
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os.rename(get_filename(index-1), get_filename(index))
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log('txt updated', end=' ', flush=True, quiet=quiet)
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log('txt', end=' ', flush=True, quiet=quiet)
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os.makedirs(name.lower(), exist_ok=True)
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with open(filename, 'w') as text_file:
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text_file.write(caption)
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os.utime(filename, (datetime.datetime.now().timestamp(), date_epoch))
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def download_profilepic(name, url, quiet=False):
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date_object = datetime.datetime.strptime(requests.head(url).headers["Last-Modified"], \
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'%a, %d %b %Y %H:%M:%S GMT')
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filename = name.lower() + '/' + epoch_to_string(date_object.timestamp()) + \
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'_UTC_profile_pic.' + url[-3:]
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if os.path.isfile(filename):
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log(filename + ' already exists', quiet=quiet)
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return None
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match = re.search('http.*://.*instagram.*[^/]*\.(com|net)/[^/]+/.', url)
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if match is None:
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raise DownloaderException("url \'" + url + "\' could not be processed")
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index = len(match.group(0))-1
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offset = 8 if match.group(0)[-1:] == 's' else 0
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url = url[:index] + 's2048x2048' + ('/' if offset == 0 else str()) + url[index+offset:]
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resp = get_session(None, None, True).get(url, stream=True)
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if resp.status_code == 200:
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log(filename, quiet=quiet)
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os.makedirs(name.lower(), exist_ok=True)
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with open(filename, 'wb') as file:
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resp.raw.decode_content = True
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shutil.copyfileobj(resp.raw, file)
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os.utime(filename, (datetime.datetime.now().timestamp(), date_object.timestamp()))
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else:
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raise DownloaderException("file \'" + url + "\' could not be downloaded")
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def save_object(obj, filename):
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if filename is None:
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filename = '/tmp/instaloader.session'
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with open(filename, 'wb') as file:
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shutil.copyfileobj(BytesIO(pickle.dumps(obj, -1)), file)
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def load_object(filename):
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if filename is None:
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filename = '/tmp/instaloader.session'
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if os.path.isfile(filename):
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with open(filename, 'rb') as sessionfile:
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obj = pickle.load(sessionfile)
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return obj
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else:
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return None
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def test_login(user, session):
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if user is None or session is None:
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return False
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resp = session.get('https://www.instagram.com/')
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time.sleep(4 * random.random() + 1)
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return resp.text.find(user.lower()) != -1
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def get_session(user, passwd, empty_session_only=False, session=None):
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def instaheader():
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user_agent = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 ' \
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'(KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36'
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header = { 'Accept-Encoding' : 'gzip, deflate', \
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'Accept-Language' : 'en-US,en;q=0.8', \
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'Connection' : 'keep-alive', \
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'Content-Length' : '0', \
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'Host' : 'www.instagram.com', \
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'Origin' : 'https://www.instagram.com', \
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'Referer' : 'https://www.instagram.com/', \
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'User-Agent' : user_agent, \
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'X-Instagram-AJAX' : '1', \
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'X-Requested-With' : 'XMLHttpRequest'}
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if empty_session_only:
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del header['Host']
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del header['Origin']
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del header['Referer']
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del header['X-Instagram-AJAX']
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del header['X-Requested-With']
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return header
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if session is None:
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session = requests.Session()
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session.cookies.update({'sessionid' : '', 'mid' : '', 'ig_pr' : '1', \
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'ig_vw' : '1920', 'csrftoken' : '', \
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's_network' : '', 'ds_user_id' : ''})
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session.headers.update(instaheader())
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if empty_session_only:
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return session
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resp = session.get('https://www.instagram.com/')
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session.headers.update({'X-CSRFToken':resp.cookies['csrftoken']})
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time.sleep(9 * random.random() + 3)
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login = session.post('https://www.instagram.com/accounts/login/ajax/', \
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data={'password':passwd,'username':user}, allow_redirects=True)
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session.headers.update({'X-CSRFToken':login.cookies['csrftoken']})
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time.sleep(5 * random.random())
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if login.status_code == 200:
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if test_login(user, session):
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return session, True
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else:
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print('Login error! Check your credentials!', file=sys.stderr)
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return session, False
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else:
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print('Login error! Connection error!', file=sys.stderr)
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return session, False
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def download(name, username = None, password = None, sessionfile = None, \
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profile_pic_only = False, download_videos = True, fast_update = False, \
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sleep_min_max=[0.25,2], quiet=False):
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# pylint:disable=too-many-arguments,too-many-locals,too-many-nested-blocks,too-many-branches
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# We are aware that this function has many arguments, many local variables, many nested blocks
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# and many branches. But we don't care.
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session = load_object(sessionfile)
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data = get_json(name, session=session)
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if len(data["entry_data"]) == 0 or "ProfilePage" not in data["entry_data"]:
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raise ProfileNotExistsException("user %s does not exist" % name)
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else:
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download_profilepic(name, data["entry_data"]["ProfilePage"][0]["user"]["profile_pic_url"],
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quiet=quiet)
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time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random()+abs(sleep_min_max[0]))
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if not profile_pic_only and data["entry_data"]["ProfilePage"][0]["user"]["is_private"]:
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if not test_login(username, session):
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if username is None or password is None:
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if quiet:
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raise DownloaderException('Login required, credentials not given, ' \
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'operating in quiet mode')
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while True:
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if username is None:
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username = input('Enter your Instagram username to login: ')
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if password is None:
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password = getpass.getpass(
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prompt='Enter your corresponding Instagram password: ')
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session, status = get_session(username, password, session=session)
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if status:
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break
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username = None
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password = None
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else:
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session, status = get_session(username, password, session=session)
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if not status:
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raise DownloaderException("aborting due to login error")
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data = get_json(name, session=session)
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if ("nodes" not in data["entry_data"]["ProfilePage"][0]["user"]["media"] \
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or len(data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]) == 0) \
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and not profile_pic_only:
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raise ProfileHasNoPicsException("user %s: no pics found" % name)
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totalcount = data["entry_data"]["ProfilePage"][0]["user"]["media"]["count"]
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if not profile_pic_only:
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count = 1
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while get_last_id(data) is not None:
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for node in data["entry_data"]["ProfilePage"][0]["user"]["media"]["nodes"]:
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log("[%3i/%3i] " % (count, totalcount), end="", flush=True, quiet=quiet)
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count = count + 1
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downloaded = download_pic(name, node["display_src"], node["date"], quiet=quiet)
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time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random() + \
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abs(sleep_min_max[0]))
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if "caption" in node:
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save_caption(name, node["date"], node["caption"], quiet=quiet)
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if node["is_video"] and download_videos:
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video_data = get_json('p/' + node["code"], session=session)
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download_pic(name, \
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video_data['entry_data']['PostPage'][0]['media']['video_url'], \
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node["date"], 'mp4', quiet=quiet)
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log(quiet=quiet)
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if fast_update and not downloaded:
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if test_login(username, session):
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save_object(session, sessionfile)
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return username
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data = get_json(name, get_last_id(data), session)
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time.sleep(abs(sleep_min_max[1]-sleep_min_max[0])*random.random()+abs(sleep_min_max[0]))
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if test_login(username, session):
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save_object(session, sessionfile)
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return username
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def main():
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parser = ArgumentParser(description='Simple downloader to fetch all Instagram pics and '\
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'captions from a given profile')
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parser.add_argument('targets', nargs='+', help='Names of profiles to download')
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parser.add_argument('-l', '--login', metavar='login_name',
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help='Provide login name for your Instagram account')
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parser.add_argument('-p', '--password',
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help='Provide password for your Instagram account')
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parser.add_argument('-f', '--sessionfile',
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help='File to store session key, defaults to /tmp/instaloader.session')
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parser.add_argument('-P', '--profile-pic-only', action='store_true',
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help='Only download profile picture')
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parser.add_argument('-V', '--skip-videos', action='store_true',
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help='Do not download videos')
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parser.add_argument('-F', '--fast-update', action='store_true',
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help='Abort at encounter of first already-downloaded picture')
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parser.add_argument('-S', '--no-sleep', action='store_true',
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help='Do not sleep between actual downloads of pictures')
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parser.add_argument('-q', '--quiet', action='store_true',
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help='Disable user interaction, i.e. do not print messages (except errors) and fail ' \
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'if login credentials are needed but not given.')
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args = parser.parse_args()
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username = args.login
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failedtargets = []
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for target in args.targets:
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try:
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username = download(target, username, args.password, args.sessionfile,
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args.profile_pic_only, not args.skip_videos, args.fast_update,
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[0,0] if args.no_sleep else [0.25,2], args.quiet)
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except (ProfileNotExistsException, ProfileHasNoPicsException) as err:
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failedtargets.append(target)
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print("%s" % err, file=sys.stderr)
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if len(args.targets) > 1 and len(failedtargets) > 0:
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print("Errors occured (see above) while downloading profiles: %s" %
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", ".join(failedtargets), file=sys.stderr)
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if __name__ == "__main__":
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main()
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