* Add python3 to list of acceptable pythons in python wrapper
* Attempt to make fake server python3 compatible
* py3 fixes for test server
* more py3 fixes for test server
* require python3 for test/core/http/test_server.py
Co-authored-by: Alexander Polcyn <apolcyn@google.com>
* Add isort_code.sh to sanity tests
* Run tools/distrib/isort_code.sh
* Fine tune the import order for relative imports
* Make pylint and project generation happy
* Fix a few corner cases
* Use --check instead of --diff
* The import order impacts test result somehow
* Make isort print diff and check output at the same time
* Let tools/run_tests/python_utils be firstparty library
* Run isort against latest HEAD
This extends the existing http parser to support requests as well as responses.
httpcli continues to exist and work as it has previously, though in the new
directory src/core/http (to reflect the fact the directory now contains code
relevant to parsing requests, which httpcli would not generally involve itself
in).