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| author | Anthony Sottile <asottile@umich.edu> | 2018-10-14 21:45:58 -0700 |
|---|---|---|
| committer | Anthony Sottile <asottile@umich.edu> | 2018-10-14 21:50:24 -0700 |
| commit | 6a610cb5d6e108dfa9c72809da04256d9b7236c9 (patch) | |
| tree | afc9b253a1849bba2228dd0cc90d3ca72ddf1c40 /src/flake8 | |
| parent | 9631dac52aa6ed8a3de9d0983c3c7b0267ae7d6d (diff) | |
| download | flake8-6a610cb5d6e108dfa9c72809da04256d9b7236c9.tar.gz | |
Defer setuptools import to save ~60ms on startup
(I ran this 5 times and picked a median result)
### before
```console
$ time flake8 --help > /dev/null
real 0m0.221s
user 0m0.199s
sys 0m0.020s
```
### after
```console
$ time flake8 --help > /dev/null
real 0m0.169s
user 0m0.144s
sys 0m0.020s
```
Diffstat (limited to 'src/flake8')
| -rw-r--r-- | src/flake8/main/debug.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/flake8/main/debug.py b/src/flake8/main/debug.py index ca3827e..ac52494 100644 --- a/src/flake8/main/debug.py +++ b/src/flake8/main/debug.py @@ -4,8 +4,6 @@ from __future__ import print_function import json import platform -import setuptools - def print_information(option, option_string, value, parser, option_manager=None): @@ -65,4 +63,7 @@ def plugins_from(option_manager): def dependencies(): """Generate the list of dependencies we care about.""" + # defer this expensive import, not used outside --bug-report + import setuptools + return [{'dependency': 'setuptools', 'version': setuptools.__version__}] |