[Doctests] Refactor doctests + add CI (#22987)

* intiial commit

* new styling

* update

* just run doctest in CI

* remove more test for fast dev

* update

* update refs

* update path and fetch upstream

* update documentatyion trests

* typo

* parse pwd

* don't check for files that are in hidden folders

* just give paths relative to transformers

* update

* update

* update

* major refactoring

* make sure options is ok

* lest test that mdx is tested

* doctest glob

* nits

* update doctest nightly

* some cleaning

* run correct test on diff

* debug

* run on a single worker

* skip_cuda_test tampkate

* updates

* add rA and continue on failure

* test options

* parse `py` codeblock?

* we don't need to replace ignore results, don't remember whyu I put it

* cleanup

* more cleaning

* fix arg

* more cleaning

* clean an todo

* more pre-processing

* doctest-module has none so extra `- ` is needed

* remove logs

* nits

* doctest-modules ....

* oups

* let's use sugar

* make dataset go quiet

* add proper timeout

* nites

* spleling timeout

* update

* properly skip tests that have CUDSA

* proper skipping

* cleaning main and get tests to run

* remove make report?

* remove tee

* some updates

* tee was removed but is the full output still available?

* [all-test]

* only our tests

* don't  touch tee in this PR

* no atee-sys

* proper sub

* monkey

* only replace call

* fix sub

* nits

* nits

* fix invalid syntax

* add skip cuda doctest env variable

* make sure all packages are installed

* move file

* update check repo

* revert changes

* nit

* finish cleanup

* fix re

* findall

* update don't test init files

* ignore pycache

* `-ignore-pycache` when running pytests

* try to fix the import missmatch error

* install dec

* pytest is required as doctest_utils imports things from it

* the only log issues were dataset, ignore results should work

* more cleaning

* Update .circleci/create_circleci_config.py

Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>

* [ydshieh] empty string if cuda is found

* [ydshieh] fix condition

* style

* [ydshieh] fix

* Add comment

* style

* style

* show failure

* trigger CI

---------

Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
Co-authored-by: Yih-Dar <2521628+ydshieh@users.noreply.github.com>
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

Makefile

@@ -47,10 +47,10 @@ repo-consistency:
 # this target runs checks on all files
 
 quality:
-	black --check $(check_dirs) setup.py
+	black --check $(check_dirs) setup.py conftest.py
 	python utils/custom_init_isort.py --check_only
 	python utils/sort_auto_mappings.py --check_only
-	ruff $(check_dirs) setup.py
+	ruff $(check_dirs) setup.py conftest.py
 	doc-builder style src/transformers docs/source --max_len 119 --check_only --path_to_docs docs/source
 	python utils/check_doc_toc.py
 
@@ -65,8 +65,8 @@ extra_style_checks:
 # this target runs checks on all files and potentially modifies some of them
 
 style:
-	black $(check_dirs) setup.py
-	ruff $(check_dirs) setup.py --fix
+	black $(check_dirs) setup.py conftest.py
+	ruff $(check_dirs) setup.py conftest.py --fix
 	${MAKE} autogenerate_code
 	${MAKE} extra_style_checks