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docs: remove python2_action from python3_migration.md

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Bug: 1112471
Change-Id: I21c318291fab6f0c5472b97e6db1b90109cfc800
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3034814
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@google.com>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#903310}
This commit is contained in:
Takuto Ikuta
2021-07-20 02:42:30 +00:00
committed by Chromium LUCI CQ
parent 821d2c7d7e
commit 189a4b744c
1 changed files with 3 additions and 10 deletions

13
docs/python3_migration.md

@ -10,16 +10,14 @@ from other Python2 files. See the
## Status
As of the time of writing (2021-05-12), we're in the following state:
As of the time of writing (2021-07-19), we're in the following state:
* depot_tools is fully Python3-compatible.
* [gclient hooks](#gclient_hooks) are being migrated to use Python3
([crbug.com/1208028](https://crbug.com/1208028)).
* GN is fully Python3-compatible, meaning that all the scripts invoked
through exec_script() are using Python3.
* The [build](#gn_ninja-actions) (scripts invoked by Ninja) is using Python3 by default,
but some actions are still run using Python2
([crbug.com/1112471](https://crbug.com/1112471)).
* The [build](#gn_ninja-actions) (scripts invoked by Ninja) uses Python3.
* We are updating the various test harnesses and frameworks to use
Python3, but most still use Python2. It is possible to use
Python3 for tests if you're ready to do so.
@ -109,13 +107,9 @@ to `python3` in the DEPS file, and make sure things still run :).
### GN/Ninja actions
Most targets in the build use Python3 now, and anything declared via an
All targets in the build use Python3 now, and anything declared via an
`action()` rule in GN will use Python3.
Some targets still require Python2; they are declared as [python2_action]
targets instead. To migrate them to Python3, change the `python2_action` to
`action` and make sure things still build.
### Tests
Test targets that run by invoking python scripts (like telemetry_unittests
@ -139,6 +133,5 @@ Presubmit checks are run using Python 2 by default. To run them using
Python3, add the line `USE_PYTHON3 = True` to the PRESUBMIT.py file in
question (effectively creating a global variable).
[python2_action]: https://source.chromium.org/chromium/chromium/src/+/main:build/config/python.gni;l=68?q=python2_action%20file:python.gni&ss=chromium
[script_test]: https://source.chromium.org/?q=script_test%20file:testing%2Ftest.gni&ss=chromium
[vpython]: https://chromium.googlesource.com/infra/infra/+/refs/heads/main/doc/users/vpython.md