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Code Issues Releases Activity

Wait longer after HTTP err 429 (Too Many Requests)

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This commit is contained in:
Alexander Graf 2017-08-20 11:48:19 +02:00
parent 566ef02b94
commit ad34fc09b6
1 changed files with 14 additions and 3 deletions
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17
instaloader.py
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@ -7,12 +7,12 @@ import getpass
import json import json
import os import os
import pickle import pickle
import random
import re import re
import shutil import shutil
import string import string
import sys import sys
import tempfile import tempfile
import textwrap
import time import time
import urllib.parse import urllib.parse
from argparse import ArgumentParser, SUPPRESS from argparse import ArgumentParser, SUPPRESS
@ -83,6 +83,10 @@ class ConnectionException(InstaloaderException):
pass pass
class TooManyRequests(ConnectionException):
pass
def get_default_session_filename(username: str) -> str: def get_default_session_filename(username: str) -> str:
"""Returns default session filename for given username.""" """Returns default session filename for given username."""
dirname = tempfile.gettempdir() + "/" + ".instaloader-" + getpass.getuser() dirname = tempfile.gettempdir() + "/" + ".instaloader-" + getpass.getuser()
@ -468,6 +472,8 @@ class Instaloader:
resp = sess.get('https://www.instagram.com/' + url, params=params) resp = sess.get('https://www.instagram.com/' + url, params=params)
if resp.status_code == 404: if resp.status_code == 404:
raise QueryReturnedNotFoundException("404") raise QueryReturnedNotFoundException("404")
if resp.status_code == 429:
raise TooManyRequests("429 - Too Many Requests")
if resp.status_code != 200: if resp.status_code != 200:
raise ConnectionException("HTTP error code {}.".format(resp.status_code)) raise ConnectionException("HTTP error code {}.".format(resp.status_code))
resp_json = resp.json() resp_json = resp.json()
@ -482,8 +488,13 @@ class Instaloader:
error_string = "JSON Query to {}: {}".format(url, err) error_string = "JSON Query to {}: {}".format(url, err)
if tries <= 1: if tries <= 1:
raise ConnectionException(error_string) raise ConnectionException(error_string)
else: self.error(error_string + " [retrying]")
self.error(error_string + " [retrying]") if isinstance(err, TooManyRequests):
text_for_429 = ("HTTP error code 429 was returned because too many queries occured in the last time. "
"Please do not use Instagram in your browser or run multiple instances of Instaloader "
"in parallel. The request is retried in about four minutes.")
print(textwrap.fill(text_for_429), file=sys.stderr)
time.sleep(660/3)
self._sleep() self._sleep()
self.get_json(url, params, sess, tries - 1) self.get_json(url, params, sess, tries - 1)