py_codegen: Fix deprecated use of imp module.

See merge request !30

Also, this changes an error message to use an '%r' format string for
reporting the bytecode version magic, to avoid printing unreadable
characters.

Tools for memory usage debugging

See merge request inducer/pytools!29

EOCRecorder: pretty print formatting

See merge request inducer/pytools!28

ProcessLogger: avoid spawning threads in noninteractive environments...

See merge request !27

ProcessLogger: avoid spawning threads in noninteractive environments (https://github.com/firedrakeproject/firedrake/issues/1422)

Improve pdict error printing (closes #6 on gitlab)

Closes #6

See merge request inducer/pytools!26

Add, document the constant SUPPORTS_PROCESS_TIME.

Closes #5

See merge request inducer/pytools!25

Closes #5

Pylint: Switch to YAML-based config, fix failures

Closes #4

See merge request inducer/pytools!24

See also: ci-support!17

Cache hash value of ImmutableRecord

See merge request inducer/pytools!23

Due to the data structure to being intended immutable, the hash value
cannot change during object lifetime. This commit caches the value
upon first evaluation.

Avoid using specific Py3 sub-versions for CI

See merge request inducer/pytools!22

Run pylint in CI

See merge request inducer/pytools!17

CI: Drop Py35, add Py36

See merge request inducer/pytools!21

Fix Py3.7 deprecation

See merge request !20

Placate flake8 3.6

See merge request inducer/pytools!19

Add Pytest/JUnit/Gitlab integration

See merge request inducer/pytools!18