mirror of https://github.com/zulip/zulip.git
110 lines
4.4 KiB
Python
110 lines
4.4 KiB
Python
#!/usr/bin/python
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# Copyright (C) 2012 Humbug, Inc. All rights reserved.
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import simplejson
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import requests
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import time
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import traceback
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import urlparse
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import sys
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# Check that we have a recent enough version
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# Older versions don't provide the 'json' attribute on responses.
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assert(requests.__version__ > '0.12')
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class HumbugAPI():
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def __init__(self, email, api_key, verbose=False, retry_on_errors=True,
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site="https://humbughq.com", client="API"):
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self.api_key = api_key
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self.email = email
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self.verbose = verbose
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self.base_url = site
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self.retry_on_errors = retry_on_errors
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self.client_name = client
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def do_api_query(self, request, url):
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had_error_retry = False
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request["email"] = self.email
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request["api-key"] = self.api_key
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request["client"] = self.client_name
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request["failures"] = 0
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while True:
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try:
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res = requests.post(urlparse.urljoin(self.base_url, url), data=request, verify=True)
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# On 50x errors, try again after a short sleep
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if str(res.status_code).startswith('5') and self.retry_on_errors:
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if self.verbose:
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if not had_error_retry:
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sys.stdout.write("connection error -- retrying.")
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had_error_retry = True
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request["failures"] += 1
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else:
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sys.stdout.write(".")
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sys.stdout.flush()
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time.sleep(1)
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continue
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except requests.exceptions.ConnectionError:
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if self.retry_on_errors:
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if self.verbose:
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if not had_error_retry:
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sys.stdout.write("connection error -- retrying.")
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had_error_retry = True
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request["failures"] += 1
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else:
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sys.stdout.write(".")
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sys.stdout.flush()
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time.sleep(1)
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continue
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return {'msg': "Connection error:\n%s" % traceback.format_exc(),
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"result": "connection-error"}
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except Exception:
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# We'll split this out into more cases as we encounter new bugs.
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return {'msg': "Unexpected error:\n%s" % traceback.format_exc(),
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"result": "unexpected-error"}
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if self.verbose and had_error_retry:
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print "Success!"
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if res.json is not None:
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return res.json
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return {'msg': res.text, "result": "http-error",
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"status_code": res.status_code}
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def send_message(self, request):
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return self.do_api_query(request, "/api/v1/send_message")
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def get_messages(self, request = {}):
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return self.do_api_query(request, "/api/v1/get_messages")
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def get_public_streams(self, request = {}):
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return self.do_api_query(request, "/api/v1/get_public_streams")
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def get_subscriptions(self, request = {}):
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return self.do_api_query(request, "/api/v1/get_subscriptions")
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def subscribe(self, streams):
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request = {}
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request["streams"] = simplejson.dumps(streams)
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return self.do_api_query(request, "/api/v1/subscribe")
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def call_on_each_message(self, callback, options = {}):
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max_message_id = None
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while True:
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if max_message_id is not None:
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options["first"] = "0"
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options["last"] = str(max_message_id)
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res = self.get_messages(options)
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if 'error' in res.get('result'):
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if self.verbose:
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if res["result"] == "http-error":
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print "HTTP error fetching messages -- probably a server restart"
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elif res["result"] == "connection-error":
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print "Connection error fetching messages -- probably server is temporarily down?"
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else:
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print "Server returned error:\n%s" % res["msg"]
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# TODO: Make this back off once it's more reliable
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time.sleep(1)
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continue
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for message in sorted(res['messages'], key=lambda x: int(x["id"])):
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max_message_id = max(max_message_id, int(message["id"]))
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callback(message)
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