community.general/test/runner/requirements/constraints.txt

coverage >= 4.2, != 4.3.2 # features in 4.2+ required, avoid known bug in 4.3.2 on python 2.6
cryptography < 2.2 ; python_version < '2.7' # cryptography 2.2 drops support for python 2.6
urllib3 < 1.24 ; python_version < '2.7' # urllib3 1.24 and later require python 2.7 or later
pywinrm >= 0.3.0 # message encryption support
sphinx < 1.6 ; python_version < '2.7' # sphinx 1.6 and later require python 2.7 or later
sphinx < 1.8 ; python_version >= '2.7' # sphinx 1.8 and later are currently incompatible with rstcheck 3.3
wheel < 0.30.0 ; python_version < '2.7' # wheel 0.30.0 and later require python 2.7 or later
yamllint != 1.8.0, < 1.14.0 ; python_version < '2.7' # yamllint 1.8.0 and 1.14.0+ require python 2.7+
pycrypto >= 2.6 # Need features found in 2.6 and greater
ncclient >= 0.5.2 # Need features added in 0.5.2 and greater
idna < 2.6 # requests requires idna < 2.6, but cryptography will cause the latest version to be installed instead
paramiko < 2.4.0 ; python_version < '2.7' # paramiko 2.4.0 drops support for python 2.6
pytest < 3.3.0 ; python_version < '2.7' # pytest 3.3.0 drops support for python 2.6
ntlm-auth >= 1.0.6 # message encryption support
requests < 2.20.0 ; python_version < '2.7' # requests 2.20.0 drops support for python 2.6
requests-ntlm >= 1.1.0 # message encryption support
requests-credssp >= 0.1.0 # message encryption support
voluptuous >= 0.11.0 # Schema recursion via Self
openshift >= 0.6.2 # merge_type support
virtualenv < 16.0.0 ; python_version < '2.7' # virtualenv 16.0.0 and later require python 2.7 or later
pyopenssl < 18.0.0 ; python_version < '2.7' # pyOpenSSL 18.0.0 and later require python 2.7 or later
pyfmg == 0.6.1 # newer versions do not pass current unit tests
pycparser < 2.19 ; python_version < '2.7' # pycparser 2.19 and later require python 2.7 or later
mock >= 2.0.0 # needed for features backported from Python 3.6 unittest.mock (assert_called, assert_called_once...)
pytest-mock >= 1.4.0 # needed for mock_use_standalone_module pytest option
xmltodict < 0.12.0 ; python_version < '2.7' # xmltodict 0.12.0 and later require python 2.7 or later
lxml < 4.3.0 ; python_version < '2.7' # lxml 4.3.0 and later require python 2.7 or later
pyvmomi < 6.0.0 ; python_version < '2.7' # pyvmomi 6.0.0 and later require python 2.7 or later
pytest < 3.10.0 ; python_version >= '2.7' # pytest 3.10.0+ causes some tests to crash, pytest 4.2.0+ causes internal errors in pytest-forked

# freeze pylint and its requirements for consistent test results
astroid == 2.0.4
isort == 4.3.4
lazy-object-proxy == 1.3.1
mccabe == 0.6.1
pylint == 2.1.1
six == 1.11.0
typed-ast == 1.1.0
wrapt == 1.10.11