* Add `ca_cert_data` parameter to Python client.
This lets a client validate a server's CA certificate chain using a
variable/constant containing PEM (`str`) or DER (`bytes`) data, rather than
needing to reference a file on disk.
* python: Fix `ca_cert_data` on Python 3.8
* avoid setting debug property if not needed
* update samples
* fix compatibility with python 3.7
* always set Configuration.__debug
* update samples
* check `Configuration` behavior when debug parameter is / is not set
* address PR requests
This was removed in #16802, but using a higher value than 1,
or at least making this configurable makes complete sense.
Without this, we get a lot of these log messages:
[ WARNING] Connection pool is full, discarding connection:
* python: several typing and style improvements
The generated (python) code fails with several standard validation tools,
including `flake8`, `mypy`, and `autoflake`. While fixing every possible
violation -- especially wrto typing -- woudl be a project, some of the
changes are fairly easy.
- The `autoflake` tool picks up on unused imports. These can just be removed.
- The `mypy` tool picks up on numerious typing violations, especially if set
to its strictest mode. As a starting point, all functions ought to annotate
a return type, including constructors, even if the return type is `None`
because otherwise the functions are omitted from type checking and it's
impossible to make incremental progress towards adding types.
- The `flake8` tool mostly finds whitespace and line-length issues; while
line-length standards very, the source already includes several flake8
ignores, so it seems safe to add a few more.
* Add generated files
* Restore imports used by `AbstractPythonCodegen.java`
* Update generated files
