Make the HTTP response logging safer (and efficient)

2019-09-12 10:45:41 5368 5244 DEBUG    nxdrive.engine.processor Readonly lock: update lock count on WindowsPath('de') to 0
2019-09-12 10:45:41 5368 5244 DEBUG    nxdrive.engine.processor Readonly lock: relocked WindowsPath('de') with 0
2019-09-12 10:45:41 5368 5244 ERROR    nxdrive.engine.processor Unknown error
Traceback (most recent call last):
  File "engine\processor.py", line 270, in _execute
    sync_handler(doc_pair)
  File "engine\processor.py", line 1178, in _synchronize_remotely_created
    path = self._create_remotely(doc_pair, parent_pair, name)
  File "engine\processor.py", line 1245, in _create_remotely
    tmp_file = self._download_content(doc_pair, os_path)
  File "engine\processor.py", line 1000, in _download_content
    doc_pair_id=doc_pair.id,
  File "\client\remote_client.py", line 629, in stream_content
    **kwargs,
  File "\client\remote_client.py", line 268, in download
    "GET", url.replace(self.client.host, ""), headers=headers
  File "\nuxeo\client.py", line 277, in request
    self._log_response(resp, self.chunk_size)
  File "\nuxeo\client.py", line 397, in _log_response
    elif not response.content:
  File "\...\requests\models.py", line 828, in content
    self._content = b''.join(self.iter_content(CONTENT_CHUNK_SIZE)) or b''
  File "\...\requests\models.py", line 750, in generate
    for chunk in self.raw.stream(chunk_size, decode_content=True):
  File "\...\urllib3\response.py", line 531, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "\...\urllib3\response.py", line 479, in read
    data = self._fp.read(amt)
  File "\...\http\client.py", line 458, in read
    return memoryview(b)[:n].tobytes()
MemoryError

QThread::start: Failed to create thread (Espace insuffisant pour traiter cette commande.)
QThread::start: Failed to create thread (Espace insuffisant pour traiter cette commande.)
QThread::start: Failed to create thread (Espace insuffisant pour traiter cette commande.)
QThread::start: Failed to create thread (Espace insuffisant pour traiter cette commande.)
QThread::start: Failed to create thread (Espace insuffisant pour traiter cette commande.)
QThread::start: Failed to create thread (Espace insuffisant pour traiter cette commande.)
QThread::start: Failed to create thread (Espace insuffisant pour traiter cette commande.)

MemoryError: null
  File "nxdrive\engine\processor.py", line 281, in _execute
  File "nxdrive\engine\processor.py", line 1205, in _synchronize_remotely_created
  File "nxdrive\engine\processor.py", line 1272, in _create_remotely
  File "nxdrive\engine\processor.py", line 1026, in _download_content
  File "nxdrive\client\remote_client.py", line 567, in stream_content
  File "nxdrive\client\remote_client.py", line 199, in download
  File "lib\site-packages\nuxeo\client.py", line 277, in request
  File "lib\site-packages\nuxeo\client.py", line 397, in _log_response
  File "lib\site-packages\requests\models.py", line 828, in content

OverflowError: join() result is too long
  File "nxdrive\engine\processor.py", line 270, in _execute
  File "nxdrive\engine\processor.py", line 1178, in _synchronize_remotely_created
  File "nxdrive\engine\processor.py", line 1245, in _create_remotely
  File "nxdrive\engine\processor.py", line 1000, in _download_content
  File "nxdrive\client\remote_client.py", line 629, in stream_content
  File "nxdrive\client\remote_client.py", line 268, in download
  File "lib\site-packages\nuxeo\client.py", line 277, in request
  File "lib\site-packages\nuxeo\client.py", line 397, in _log_response
  File "lib\site-packages\requests\models.py", line 828, in content

MemoryError: null
  File "nxdrive\engine\processor.py", line 270, in _execute
  File "nxdrive\engine\processor.py", line 1178, in _synchronize_remotely_created
  File "nxdrive\engine\processor.py", line 1245, in _create_remotely
  File "nxdrive\engine\processor.py", line 1000, in _download_content
  File "nxdrive\client\remote_client.py", line 629, in stream_content
  File "nxdrive\client\remote_client.py", line 268, in download
  File "lib\site-packages\nuxeo\client.py", line 277, in request
  File "lib\site-packages\nuxeo\client.py", line 415, in _log_response