def _strip_prefix(self, key):
"""Takes bytes, emits string."""
key = ensure_bytes(key)
for prefix in self.task_keyprefix, self.group_keyprefix:
if key.startswith(prefix):
return bytes_to_str(key[len(prefix):])
return bytes_to_str(key)
def _unpack(self, payload, sep=str_to_bytes('\x00\x01')):
raw_payload = b64decode(ensure_bytes(payload))
first_sep = raw_payload.find(sep)
signer = raw_payload[:first_sep]
signer_cert = self._cert_store[signer]
# shift 3 bits right to get signature length
# 2048bit rsa key has a signature length of 256
# 4096bit rsa key has a signature length of 512
sig_len = signer_cert.get_pubkey().key_size >> 3
sep_len = len(sep)
signature_start_position = first_sep + sep_len
signature_end_position = signature_start_position + sig_len
signature = raw_payload[
signature_start_position:signature_end_position
]
v = raw_payload[signature_end_position + sep_len:].split(sep)
return {
'signer': signer,
'signature': signature,
'content_type': bytes_to_str(v[0]),
'content_encoding': bytes_to_str(v[1]),
'body': bytes_to_str(v[2]),
}
def get_many(self, task_ids, timeout=None, interval=0.5):
ids = set(task_ids)
cached_ids = set()
for task_id in ids:
try:
cached = self._cache[task_id]
except KeyError:
pass
else:
if cached['status'] in states.READY_STATES:
yield bytes_to_str(task_id), cached
cached_ids.add(task_id)
ids.difference_update(cached_ids)
iterations = 0
while ids:
keys = list(ids)
r = self._mget_to_results(self.mget([self.get_key_for_task(k)
for k in keys]), keys)
self._cache.update(r)
ids.difference_update(set(map(bytes_to_str, r)))
for key, value in items(r):
yield bytes_to_str(key), value
if timeout and iterations * interval >= timeout:
raise TimeoutError('Operation timed out ({0})'.format(timeout))
time.sleep(interval) # don't busy loop.
iterations += 1
def get_many(self, task_ids, timeout=None, interval=0.5, no_ack=True,
on_message=None, on_interval=None,
READY_STATES=states.READY_STATES):
interval = 0.5 if interval is None else interval
ids = task_ids if isinstance(task_ids, set) else set(task_ids)
cached_ids = set()
cache = self._cache
for task_id in ids:
try:
cached = cache[task_id]
except KeyError:
pass
else:
if cached['status'] in READY_STATES:
yield bytes_to_str(task_id), cached
cached_ids.add(task_id)
ids.difference_update(cached_ids)
iterations = 0
while ids:
keys = list(ids)
r = self._mget_to_results(self.mget([self.get_key_for_task(k)
for k in keys]), keys)
cache.update(r)
ids.difference_update({bytes_to_str(v) for v in r})
for key, value in items(r):
if on_message is not None:
on_message(value)
yield bytes_to_str(key), value
if timeout and iterations * interval >= timeout:
raise TimeoutError('Operation timed out ({0})'.format(timeout))
if on_interval:
on_interval()
time.sleep(interval) # don't busy loop.
iterations += 1
def _handle_message(self, client, r):
if bytes_to_str(r[0]) == "unsubscribe" and r[2] == 0:
client.subscribed = False
elif bytes_to_str(r[0]) == "pmessage":
return {"type": r[0], "pattern": r[1], "channel": r[2], "data": r[3]}
else:
return {"type": r[0], "pattern": None, "channel": r[1], "data": r[2]}
def _unpack(self, payload, sep=str_to_bytes('\x00\x01')):
raw_payload = b64decode(ensure_bytes(payload))
first_sep = raw_payload.find(sep)
signer = raw_payload[:first_sep]
signer_cert = self._cert_store[signer]
sig_len = signer_cert._cert.get_pubkey().bits() >> 3
signature = raw_payload[
first_sep + len(sep):first_sep + len(sep) + sig_len
]
end_of_sig = first_sep + len(sep) + sig_len+len(sep)
v = raw_payload[end_of_sig:].split(sep)
values = [bytes_to_str(signer), bytes_to_str(signature),
bytes_to_str(v[0]), bytes_to_str(v[1]), bytes_to_str(v[2])]
return {
'signer': values[0],
'signature': values[1],
'content_type': values[2],
'content_encoding': values[3],
'body': values[4],
}
def _message_to_python(self, message, queue_name, queue):
try:
body = base64.b64decode(message['Body'].encode())
except TypeError:
body = message['Body'].encode()
payload = loads(bytes_to_str(body))
if queue_name in self._noack_queues:
queue = self._new_queue(queue_name)
self.asynsqs.delete_message(queue, message['ReceiptHandle'])
else:
try:
properties = payload['properties']
delivery_info = payload['properties']['delivery_info']
except KeyError:
# json message not sent by kombu?
delivery_info = {}
properties = {'delivery_info': delivery_info}
payload.update({
'body': bytes_to_str(body),
'properties': properties,
})
# set delivery tag to SQS receipt handle
delivery_info.update({
'sqs_message': message, 'sqs_queue': queue,
})
properties['delivery_tag'] = message['ReceiptHandle']
return payload
def _unpack(self, payload, sep=str_to_bytes('\x00\x01')):
values = b64decode(ensure_bytes(payload)).split(sep)
return {'signer': bytes_to_str(values[0]),
'signature': ensure_bytes(values[1]),
'content_type': bytes_to_str(values[2]),
'content_encoding': bytes_to_str(values[3]),
'body': ensure_bytes(values[4])}
def _strip_prefix(self, key):
"""Take bytes: emit string."""
key = self.key_t(key)
for prefix in self.task_keyprefix, self.group_keyprefix:
if key.startswith(prefix):
return bytes_to_str(key[len(prefix):])
return bytes_to_str(key)
def _handle_message(self, client, r):
if bytes_to_str(r[0]) == 'unsubscribe' and r[2] == 0:
client.subscribed = False
elif bytes_to_str(r[0]) == 'pmessage':
return {'type': r[0], 'pattern': r[1],
'channel': r[2], 'data': r[3]}
else:
return {'type': r[0], 'pattern': None,
'channel': r[1], 'data': r[2]}
def _index(self, id, body, **kwargs):
body = {bytes_to_str(k): v for k, v in items(body)}
return self.server.index(
id=bytes_to_str(id),
index=self.index,
doc_type=self.doc_type,
body=body,
**kwargs
)
def _receive(self):
c = self.subclient
response = None
try:
response = c.parse_response()
except self.connection_errors:
self._in_listen = False
if response is not None:
payload = self._handle_message(c, response)
if bytes_to_str(payload['type']) == 'message':
return (
loads(bytes_to_str(payload['data'])),
self._fanout_to_queue[bytes_to_str(payload['channel'])],
)
raise Empty()
def _handle_message(self, client, r):
if bytes_to_str(r[0]) == 'unsubscribe' and r[2] == 0:
client.subscribed = False
return
if bytes_to_str(r[0]) == 'pmessage':
type, pattern, channel, data = r[0], r[1], r[2], r[3]
else:
type, pattern, channel, data = r[0], None, r[1], r[2]
return {
'type': type,
'pattern': pattern,
'channel': channel,
'data': data,
}
def deserialize(self, data):
data = self._ensure_bytes(data)
header, end = self.parse_header(data)
# Skip whitespace
length = len(data)
while end < length and data[end] in self.whitespace:
end += 1
header, body = header, data[end:]
signer, signature, content_type, content_encoding = (
header['signer'], header['signature'],
header['content_type'], header['content_encoding']
)
signature = self.key_codec.decode(signature)
if content_encoding != self._content_encoding:
raise ValueError("Invalid inner content encoding ({!r} != {!r})"
.format(content_encoding, self._content_encoding))
try:
verify_key = self._verify_keys[signer]
except KeyError:
raise ValueError("Unknown signer {!r}".format(signer)) from None
verify_key.verify(body, signature)
return loads(bytes_to_str(body), content_type, content_encoding,
force=True)
def set(self, key, value):
"""Set a key in Consul.
Before creating the key it will create a session inside Consul
where it creates a session with a TTL
The key created afterwards will reference to the session's ID.
If the session expires it will remove the key so that results
can auto expire from the K/V store
"""
session_name = bytes_to_str(key)
key = self._key_to_consul_key(key)
logger.debug('Trying to create Consul session %s with TTL %d',
session_name, self.expires)
session_id = self.client.session.create(name=session_name,
behavior='delete',
ttl=self.expires)
logger.debug('Created Consul session %s', session_id)
logger.debug('Writing key %s to Consul', key)
return self.client.kv.put(key=key,
value=value,
acquire=session_id)
def get_table(self, exchange):
key = self.keyprefix_queue % exchange
with self.conn_or_acquire() as client:
values = client.smembers(key)
if not values:
raise InconsistencyError(NO_ROUTE_ERROR.format(exchange, key))
return [tuple(bytes_to_str(val).split(self.sep)) for val in values]
def _get(self, queue):
with self.conn_or_acquire() as client:
for pri in PRIORITY_STEPS:
item = client.rpop(self._q_for_pri(queue, pri))
if item:
return loads(bytes_to_str(item))
raise Empty()
def _restore(self, message, leftmost=False):
tag = message.delivery_tag
with self.conn_or_acquire() as client:
P, _ = client.pipeline().hget(self.unacked_key, tag).hdel(self.unacked_key, tag).execute()
if P:
M, EX, RK = loads(bytes_to_str(P)) # json is unicode
self._do_restore_message(M, EX, RK, client, leftmost)
def _saferepr(o, maxlen=None, maxlevels=3, seen=None):
stack = deque([iter([o])])
for token, it in reprstream(stack, seen=seen, maxlevels=maxlevels):
if maxlen is not None and maxlen <= 0:
yield ", ..."
# move rest back to stack, so that we can include
# dangling parens.
stack.append(it)
break
if isinstance(token, _literal):
val = token.value
elif isinstance(token, _key):
val = saferepr(token.value, maxlen, maxlevels)
elif isinstance(token, _quoted):
val = token.value
if IS_PY3 and isinstance(val, bytes): # pragma: no cover
val = "b'%s'" % (bytes_to_str(truncate_bytes(val, maxlen)),)
else:
val = "'%s'" % (truncate(val, maxlen),)
else:
val = truncate(token, maxlen)
yield val
if maxlen is not None:
maxlen -= len(val)
for rest1 in stack:
# maxlen exceeded, process any dangling parens.
for rest2 in rest1:
if isinstance(rest2, _literal) and not rest2.truncate:
yield rest2.value
def _store_result(self, task_id, result, state,
traceback=None, request=None, **kwargs):
meta = {'status': state, 'result': result, 'traceback': traceback,
'children': self.current_task_children(request),
'task_id': bytes_to_str(task_id)}
self.set(self.get_key_for_task(task_id), self.encode(meta))
return result
def restore_by_tag(self, tag, client=None, leftmost=False):
with self.channel.conn_or_acquire(client) as client:
p, _, _ = self._remove_from_indices(
tag, client.pipeline().hget(self.unacked_key, tag)).execute()
if p:
M, EX, RK = loads(bytes_to_str(p)) # json is unicode
self.channel._do_restore_message(M, EX, RK, client, leftmost)
def _mget_to_results(self, values, keys):
if hasattr(values, "items"):
# client returns dict so mapping preserved.
return {self._strip_prefix(k): v for k, v in self._filter_ready(items(values))}
else:
# client returns list so need to recreate mapping.
return {bytes_to_str(keys[i]): v for i, v in self._filter_ready(enumerate(values))}
def _message_to_python(self, message, queue_name, queue):
payload = loads(bytes_to_str(message.get_body()))
if queue_name in self._noack_queues:
queue.delete_message(message)
else:
try:
properties = payload["properties"]
delivery_info = payload["properties"]["delivery_info"]
except KeyError:
# json message not sent by kombu?
delivery_info = {}
properties = {"delivery_info": delivery_info}
payload.update({"body": bytes_to_str(message.get_body()), "properties": properties})
# set delivery tag to SQS receipt handle
delivery_info.update({"sqs_message": message, "sqs_queue": queue})
properties["delivery_tag"] = message.receipt_handle
return payload
def decompress(body, content_type):
"""Decompress compressed text.
:param body: Previously compressed text to uncompress.
:param content_type: mime-type of compression method used.
"""
return bytes_to_str(get_decoder(content_type)(body))
def _get(self, queue):
result = self._query(queue, limit=1)
if not result:
raise Empty()
item = result.rows[0].value
self.client.delete(item)
return loads(bytes_to_str(item['payload']))
def deserialize(self, data):
"""Deserialize data structure from string."""
assert self._cert_store is not None
with reraise_errors("Unable to deserialize: {0!r}", (Exception,)):
payload = self._unpack(data)
signature, signer, body = (payload["signature"], payload["signer"], payload["body"])
self._cert_store[signer].verify(body, signature, self._digest)
return loads(bytes_to_str(body), payload["content_type"], payload["content_encoding"], force=True)
def _get(self, queue):
queue = self._get_queue(queue)
msg = queue.get()
if msg is None:
raise Empty()
return loads(bytes_to_str(msg))
def _message_to_python(self, message, queue_name, queue):
payload = loads(bytes_to_str(message.get_body()))
if queue_name in self._noack_queues:
queue.delete_message(message)
else:
payload['properties']['delivery_info'].update({
'sqs_message': message, 'sqs_queue': queue,
})
return payload
def _brpop_read(self, **options):
try:
try:
dest__item = self.client.parse_response(self.client.connection, "BRPOP", **options)
except self.connection_errors:
# if there's a ConnectionError, disconnect so the next
# iteration will reconnect automatically.
self.client.connection.disconnect()
raise Empty()
if dest__item:
dest, item = dest__item
dest = bytes_to_str(dest).rsplit(self.sep, 1)[0]
self._rotate_cycle(dest)
return loads(bytes_to_str(item)), dest
else:
raise Empty()
finally:
self._in_poll = False
def _mget_to_results(self, values, keys):
if hasattr(values, "items"):
# client returns dict so mapping preserved.
return dict((self._strip_prefix(k), self.decode(v)) for k, v in values.iteritems() if v is not None)
else:
# client returns list so need to recreate mapping.
return dict(
(bytes_to_str(keys[i]), self.decode(value)) for i, value in enumerate(values) if value is not None
)
def encode(self, s):
return bytes_to_str(base64.b64encode(str_to_bytes(s)))
def _key_to_consul_key(self, key):
key = bytes_to_str(key)
return key if self.path is None else f'{self.path}/{key}'
def test_backend_index_conflicting_document_removed_not_throwing(self, base_datetime_mock, es_datetime_mock):
expected_dt = datetime.datetime(2020, 6, 1, 18, 43, 24, 123456, None)
es_datetime_mock.utcnow.return_value = expected_dt
expected_done_dt = datetime.datetime(2020, 6, 1, 18, 45, 34, 654321, None)
base_datetime_mock.utcnow.return_value = expected_done_dt
self.app.conf.result_backend_always_retry, prev = True, self.app.conf.result_backend_always_retry
try:
x = ElasticsearchBackend(app=self.app)
task_id = str(sentinel.task_id)
encoded_task_id = bytes_to_str(x.get_key_for_task(task_id))
result = str(sentinel.result)
sleep_mock = Mock()
x._sleep = sleep_mock
x._server = Mock()
x._server.index.side_effect = [
exceptions.ConflictError(409, "concurrent update", {}),
{'result': 'created'}
]
x._server.get.side_effect = [
{
'found': True,
'_source': {'result': _RESULT_RETRY},
'_seq_no': 2,
'_primary_term': 1,
},
{'_index': 'celery', '_type': '_doc', '_id': 'toto', 'found': False},
]
result_meta = x._get_result_meta(result, states.SUCCESS, None, None)
result_meta['task_id'] = bytes_to_str(task_id)
expected_result = x.encode(result_meta)
x.store_result(task_id, result, states.SUCCESS)
x._server.index.assert_has_calls([
call(
id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
},
params={'op_type': 'create'}
),
call(
id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
},
params={'op_type': 'create'}
),
])
x._server.update.assert_not_called()
sleep_mock.assert_not_called()
finally:
self.app.conf.result_backend_always_retry = prev
def encode(value, compress_object=False, pickle_protocol=DEFAULT_PROTOCOL):
return bytes_to_str(
b64encode(
maybe_compress(pickle.dumps(value, pickle_protocol),
compress_object), ))
def label(self, step):
return step and "{0}{1}".format(
self._get_prefix(step),
bytes_to_str(
(step.label or _label(step)).encode("utf-8", "ignore")),
)
def _key_to_consul_key(self, key):
key = bytes_to_str(key)
return key if self.path is None else '{0}/{1}'.format(self.path, key)
def delete(self, key):
key = bytes_to_str(key)
s3_object = self._get_s3_object(key)
s3_object.delete()
def add_cert(self, cert):
cert_id = bytes_to_str(cert.get_id())
if cert_id in self._certs:
raise SecurityError(f'Duplicate certificate: {id!r}')
self._certs[cert_id] = cert
def get_issuer(self):
"""Return issuer (CA) as a string."""
return ' '.join(
bytes_to_str(x[1])
for x in self._cert.get_issuer().get_components())
def b64encode(s):
return bytes_to_str(base64encode(str_to_bytes(s)))
def __getitem__(self, id):
"""Get certificate by id."""
try:
return self._certs[bytes_to_str(id)]
except KeyError:
raise SecurityError('Unknown certificate: {0!r}'.format(id))
def add_cert(self, cert):
cert_id = bytes_to_str(cert.get_id())
if cert_id in self._certs:
raise SecurityError('Duplicate certificate: {0!r}'.format(id))
self._certs[cert_id] = cert
def test_lots_of_sign(self):
for i in range(1000):
rdata = bytes_to_str(base64.urlsafe_b64encode(os.urandom(265)))
s = self._get_s(KEY1, CERT1, [CERT1])
assert s.deserialize(s.serialize(rdata)) == rdata
def set(self, key, value):
key = bytes_to_str(key)
s3_object = self._get_s3_object(key)
s3_object.put(Body=value)
def label(self, step):
return step and '{}{}'.format(
self._get_prefix(step),
bytes_to_str(
(step.label or _label(step)).encode('utf-8', 'ignore')),
)
def _get(self, queue):
m = self.Queue.objects.fetch(queue)
if m:
return loads(bytes_to_str(m))
raise Empty()
def on_header(self, headers, line):
try:
self._header_parser.send((bytes_to_str(line), headers))
except StopIteration:
self._header_parser = header_parser()
def test_backend_concurrent_update(self, base_datetime_mock,
es_datetime_mock):
expected_dt = datetime.datetime(2020, 6, 1, 18, 43, 24, 123456, None)
es_datetime_mock.utcnow.return_value = expected_dt
expected_done_dt = datetime.datetime(2020, 6, 1, 18, 45, 34, 654321,
None)
base_datetime_mock.utcnow.return_value = expected_done_dt
self.app.conf.result_backend_always_retry, prev = True, self.app.conf.result_backend_always_retry
try:
x = ElasticsearchBackend(app=self.app)
task_id = str(sentinel.task_id)
encoded_task_id = bytes_to_str(x.get_key_for_task(task_id))
result = str(sentinel.result)
sleep_mock = Mock()
x._sleep = sleep_mock
x._server = Mock()
x._server.index.side_effect = exceptions.ConflictError(
409, "concurrent update", {})
x._server.get.side_effect = [
{
'found': True,
'_source': {
'result':
"""{"status":"RETRY","result":{"exc_type":"Exception","exc_message":["failed"],"exc_module":"builtins"}}"""
},
'_seq_no': 2,
'_primary_term': 1,
},
{
'found': True,
'_source': {
'result':
"""{"status":"RETRY","result":{"exc_type":"Exception","exc_message":["failed"],"exc_module":"builtins"}}"""
},
'_seq_no': 2,
'_primary_term': 1,
},
{
'found': True,
'_source': {
'result':
"""{"status":"FAILURE","result":{"exc_type":"Exception","exc_message":["failed"],"exc_module":"builtins"}}"""
},
'_seq_no': 3,
'_primary_term': 1,
},
{
'found': True,
'_source': {
'result':
"""{"status":"FAILURE","result":{"exc_type":"Exception","exc_message":["failed"],"exc_module":"builtins"}}"""
},
'_seq_no': 3,
'_primary_term': 1,
},
]
x._server.update.side_effect = [{
'result': 'noop'
}, {
'result': 'updated'
}]
result_meta = x._get_result_meta(result, states.SUCCESS, None,
None)
result_meta['task_id'] = bytes_to_str(task_id)
expected_result = x.encode(result_meta)
x.store_result(task_id, result, states.SUCCESS)
x._server.index.assert_has_calls([
call(id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
},
params={'op_type': 'create'}),
call(id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
},
params={'op_type': 'create'}),
])
x._server.update.assert_has_calls([
call(id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'doc': {
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
}
},
params={
'if_seq_no': 2,
'if_primary_term': 1
}),
call(id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'doc': {
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
}
},
params={
'if_seq_no': 3,
'if_primary_term': 1
}),
])
assert sleep_mock.call_count == 1
finally:
self.app.conf.result_backend_always_retry = prev
def test_backend_index_corrupted_conflicting_document(self, base_datetime_mock, es_datetime_mock):
expected_dt = datetime.datetime(2020, 6, 1, 18, 43, 24, 123456, None)
es_datetime_mock.utcnow.return_value = expected_dt
expected_done_dt = datetime.datetime(2020, 6, 1, 18, 45, 34, 654321, None)
base_datetime_mock.utcnow.return_value = expected_done_dt
# self.app.conf.result_backend_always_retry, prev = True, self.app.conf.result_backend_always_retry
# try:
x = ElasticsearchBackend(app=self.app)
task_id = str(sentinel.task_id)
encoded_task_id = bytes_to_str(x.get_key_for_task(task_id))
result = str(sentinel.result)
sleep_mock = Mock()
x._sleep = sleep_mock
x._server = Mock()
x._server.index.side_effect = [
exceptions.ConflictError(409, "concurrent update", {})
]
x._server.update.side_effect = [
{'result': 'updated'}
]
x._server.get.return_value = {
'found': True,
'_source': {},
'_seq_no': 2,
'_primary_term': 1,
}
result_meta = x._get_result_meta(result, states.SUCCESS, None, None)
result_meta['task_id'] = bytes_to_str(task_id)
expected_result = x.encode(result_meta)
x.store_result(task_id, result, states.SUCCESS)
x._server.index.assert_called_once_with(
id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
},
params={'op_type': 'create'}
)
x._server.update.assert_called_once_with(
id=encoded_task_id,
index=x.index,
doc_type=x.doc_type,
body={
'doc': {
'result': expected_result,
'@timestamp': expected_dt.isoformat()[:-3] + 'Z'
}
},
params={'if_primary_term': 1, 'if_seq_no': 2}
)
sleep_mock.assert_not_called()
def get_serial_number(self):
"""Return the serial number in the certificate."""
return bytes_to_str(self._cert.get_serial_number())
def P(s):
print(bytes_to_str(s), file=fh)
def get(self, key):
key = bytes_to_str(key)
try:
return self.connection.get(key)['value']
except pycouchdb.exceptions.NotFound:
return None
def _setup_request(self, curl, request, buffer, headers, _pycurl=pycurl):
setopt = curl.setopt
setopt(_pycurl.URL, bytes_to_str(request.url))
# see tornado curl client
request.headers.setdefault('Expect', '')
request.headers.setdefault('Pragma', '')
setopt(
_pycurl.HTTPHEADER,
['{}: {}'.format(*h) for h in request.headers.items()],
)
setopt(
_pycurl.HEADERFUNCTION,
partial(request.on_header or self.on_header, request.headers),
)
setopt(
_pycurl.WRITEFUNCTION,
request.on_stream or buffer.write,
)
setopt(
_pycurl.FOLLOWLOCATION,
request.follow_redirects,
)
setopt(
_pycurl.USERAGENT,
bytes_to_str(request.user_agent or DEFAULT_USER_AGENT),
)
if request.network_interface:
setopt(_pycurl.INTERFACE, request.network_interface)
setopt(
_pycurl.ENCODING,
'gzip,deflate' if request.use_gzip else 'none',
)
if request.proxy_host:
if not request.proxy_port:
raise ValueError('Request with proxy_host but no proxy_port')
setopt(_pycurl.PROXY, request.proxy_host)
setopt(_pycurl.PROXYPORT, request.proxy_port)
if request.proxy_username:
setopt(
_pycurl.PROXYUSERPWD,
'{}:{}'.format(request.proxy_username,
request.proxy_password or ''))
else:
setopt(_pycurl.PROXY, '')
curl.unsetopt(_pycurl.PROXYUSERPWD)
setopt(_pycurl.SSL_VERIFYPEER, 1 if request.validate_cert else 0)
setopt(_pycurl.SSL_VERIFYHOST, 2 if request.validate_cert else 0)
if request.ca_certs is not None:
setopt(_pycurl.CAINFO, request.ca_certs)
setopt(_pycurl.IPRESOLVE, pycurl.IPRESOLVE_WHATEVER)
for meth in METH_TO_CURL.values():
setopt(meth, False)
try:
meth = METH_TO_CURL[request.method]
except KeyError:
curl.setopt(_pycurl.CUSTOMREQUEST, request.method)
else:
curl.unsetopt(_pycurl.CUSTOMREQUEST)
setopt(meth, True)
if request.method in ('POST', 'PUT'):
body = request.body.encode('utf-8') if request.body else bytes()
reqbuffer = BytesIO(body)
setopt(_pycurl.READFUNCTION, reqbuffer.read)
if request.method == 'POST':
def ioctl(cmd):
if cmd == _pycurl.IOCMD_RESTARTREAD:
reqbuffer.seek(0)
setopt(_pycurl.IOCTLFUNCTION, ioctl)
setopt(_pycurl.POSTFIELDSIZE, len(body))
else:
setopt(_pycurl.INFILESIZE, len(body))
elif request.method == 'GET':
assert not request.body
if request.auth_username is not None:
auth_mode = {
'basic': _pycurl.HTTPAUTH_BASIC,
'digest': _pycurl.HTTPAUTH_DIGEST
}[request.auth_mode or 'basic']
setopt(_pycurl.HTTPAUTH, auth_mode)
userpwd = '{}:{}'.format(
request.auth_username,
request.auth_password or '',
)
setopt(_pycurl.USERPWD, userpwd)
else:
curl.unsetopt(_pycurl.USERPWD)
if request.client_cert is not None:
setopt(_pycurl.SSLCERT, request.client_cert)
if request.client_key is not None:
setopt(_pycurl.SSLKEY, request.client_key)
if request.on_prepare is not None:
request.on_prepare(curl)
