def _mkarg(self, kargs):
"""change the argument list (encode value, add api key/secret)
:return: the new argument list"""
kargs = kargs.copy()
kargs['api_key'] = self._api.key
kargs['api_secret'] = self._api.secret
for k, v in list(kargs.items()):
if isinstance(v, Iterable) and not isinstance(v, basestring):
kargs[k] = ','.join(v)
elif isinstance(v, File) or v is None:
del kargs[k]
elif isinstance(v, numeric_types):
kargs[k] = str(v)
else:
kargs[k] = v
return kargs
def __call__(self, *args, **kargs):
if len(args):
raise TypeError('Only keyword arguments are allowed')
form = _MultiPartForm()
for (k, v) in kargs.items():
if isinstance(v, File):
form.add_file(k, v.get_filename(), v.content)
url = self._urlbase
for k, v in self._mkarg(kargs).items():
form.add_field(k, v)
body = form.bytes
request = Request(url, data=body)
request.add_header('Content-type', form.get_content_type())
request.add_header('Content-length', str(len(body)))
self._api.update_request(request)
retry = self._api.max_retries
while True:
retry -= 1
try:
ret = urlopen(request, timeout=self._api.timeout).read()
break
except HTTPError as e:
raise APIError(e.code, url, e.read())
except (socket.error, URLError) as e:
if retry < 0:
raise e
_print_debug('caught error: {}; retrying'.format(e))
time.sleep(self._api.retry_delay)
if self._api.decode_result:
try:
# change due to compatibility problem with python 3.5
#print(str(ret))
ret = json.loads(ret.decode('utf-8'), object_hook=ObjectDict)
except:
raise APIError(-1, url,
'json decode error, value={0!r}'.format(ret))
return ret
def _print_debug(msg):
if DEBUG_LEVEL:
sys.stderr.write(str(msg) + '\n')
