Catching multiple exceptions - Python - api

Question

I have a program that occasionally throws a badStatusLine exception, after catching it we are now getting another error and I can't seem to catch it so the program doesn't stop. Here is what I have, any help would be appreciated.
The error:
Exception in thread Thread-1:
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 810, in __bootstrap_inner
self.run()
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 763, in run
self.__target(*self.__args, **self.__kwargs)
File "/Users/mattduhon/trading4.py", line 30, in trade
execution.execute_order(event)
File "/Users/mattduhon/execution.py", line 33, in execute_order
params, headers
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py", line 1001, in request
self._send_request(method, url, body, headers)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py", line 1029, in _send_request
self.putrequest(method, url, **skips)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py", line 892, in putrequest
raise CannotSendRequest()
CannotSendRequest
The file responsible for catching the error:
import httplib
import urllib
from httplib import BadStatusLine
from httplib import CannotSendRequest
class Execution(object):
def __init__(self, domain, access_token, account_id):
self.domain = domain
self.access_token = access_token
self.account_id = account_id
self.conn = self.obtain_connection()
def obtain_connection(self):
return httplib.HTTPSConnection(self.domain)
def execute_order(self, event):
headers = {
"Content-Type": "application/x-www-form-urlencoded",
"Authorization": "Bearer " + self.access_token}
params = urllib.urlencode({
"instrument" : event.instrument,
"units" : event.units,
"type" : event.order_type,
"side" : event.side,
"stopLoss" : event.stopLoss,
"takeProfit" : event.takeProfit
})
self.conn.request(
"POST",
"/v1/accounts/%s/orders" % str(self.account_id),
params, headers)
try:
response = self.conn.getresponse().read()
except BadStatusLine as e:
print(e)
except CannotSendRequest as a: ######my attempt at catching the error
print(a)
else:
print response

Answer 1

If you change the final else to:
except:
print "Unexpected error:", sys.exc_info()[0]
raise
You should get the real uncaught error if it's really coming from the try-catch block. But are you sure you haven't gotten into a bad state which excepts outside that block?