-_Black_ can be installed by running `pip install black`. It requires Python 3.6.0+ to
-run but you can reformat Python 2 code with it, too.
+_Black_ can be installed by running `pip install black`. It requires Python 3.6.2+ to
+run. If you want to format Python 2 code as well, install with
+`pip install black[python2]`.
--force-exclude TEXT Like --exclude, but files and directories
matching this regex will be excluded even
when they are passed explicitly as
arguments.
--force-exclude TEXT Like --exclude, but files and directories
matching this regex will be excluded even
when they are passed explicitly as
arguments.
--stdin-filename TEXT The name of the file when passing it through
stdin. Useful to make sure Black will
respect --force-exclude option on some
--stdin-filename TEXT The name of the file when passing it through
stdin. Useful to make sure Black will
respect --force-exclude option on some
-v, --verbose Also emit messages to stderr about files
that were not changed or were ignored due to
-v, --verbose Also emit messages to stderr about files
that were not changed or were ignored due to
_Black_ is a PEP 8 compliant opinionated formatter. _Black_ reformats entire files in
place. It is not configurable. It doesn't take previous formatting into account. Your
main option of configuring _Black_ is that it doesn't reformat blocks that start with
_Black_ is a PEP 8 compliant opinionated formatter. _Black_ reformats entire files in
place. It is not configurable. It doesn't take previous formatting into account. Your
main option of configuring _Black_ is that it doesn't reformat blocks that start with
-`# fmt: off` and end with `# fmt: on`. `# fmt: on/off` have to be on the same level of
-indentation. To learn more about _Black_'s opinions, to go
+`# fmt: off` and end with `# fmt: on`, or lines that ends with `# fmt: skip`. Pay
+attention that `# fmt: on/off` have to be on the same level of indentation. To learn
+more about _Black_'s opinions, to go
[the_black_code_style](https://github.com/psf/black/blob/master/docs/the_black_code_style.md).
Please refer to this document before submitting an issue. What seems like a bug might be
[the_black_code_style](https://github.com/psf/black/blob/master/docs/the_black_code_style.md).
Please refer to this document before submitting an issue. What seems like a bug might be
_Black_ is able to read project-specific default values for its command line options
from a `pyproject.toml` file. This is especially useful for specifying custom
_Black_ is able to read project-specific default values for its command line options
from a `pyproject.toml` file. This is especially useful for specifying custom
**Pro-tip**: If you're asking yourself "Do I need to configure anything?" the answer is
"No". _Black_ is all about sensible defaults.
**Pro-tip**: If you're asking yourself "Do I need to configure anything?" the answer is
"No". _Black_ is all about sensible defaults.
-exclude = '''
-
-(
- /(
- \.eggs # exclude a few common directories in the
- | \.git # root of the project
- | \.hg
- | \.mypy_cache
- | \.tox
- | \.venv
- | _build
- | buck-out
- | build
- | dist
- )/
- | foo.py # also separately exclude a file named foo.py in
- # the root of the project
-)
+extend-exclude = '''
+# A regex preceded with ^/ will apply only to files and directories
+# in the root of the project.
+^/foo.py # exclude a file named foo.py in the root of the project (in addition to the defaults)
The following notable open-source projects trust _Black_ with enforcing a consistent
code style: pytest, tox, Pyramid, Django Channels, Hypothesis, attrs, SQLAlchemy,
Poetry, PyPA applications (Warehouse, Bandersnatch, Pipenv, virtualenv), pandas, Pillow,
The following notable open-source projects trust _Black_ with enforcing a consistent
code style: pytest, tox, Pyramid, Django Channels, Hypothesis, attrs, SQLAlchemy,
Poetry, PyPA applications (Warehouse, Bandersnatch, Pipenv, virtualenv), pandas, Pillow,
The following organizations use _Black_: Facebook, Dropbox, Mozilla, Quora.
The following organizations use _Black_: Facebook, Dropbox, Mozilla, Quora.
- [Joseph Larson](mailto:larson.joseph@gmail.com)
- [Josh Bode](mailto:joshbode@fastmail.com)
- [Josh Holland](mailto:anowlcalledjosh@gmail.com)
- [Joseph Larson](mailto:larson.joseph@gmail.com)
- [Josh Bode](mailto:joshbode@fastmail.com)
- [Josh Holland](mailto:anowlcalledjosh@gmail.com)
- [José Padilla](mailto:jpadilla@webapplicate.com)
- [Juan Luis Cano Rodríguez](mailto:hello@juanlu.space)
- [kaiix](mailto:kvn.hou@gmail.com)
- [José Padilla](mailto:jpadilla@webapplicate.com)
- [Juan Luis Cano Rodríguez](mailto:hello@juanlu.space)
- [kaiix](mailto:kvn.hou@gmail.com)