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Make --safe work for Python2.7 syntax, by using typed_ast for safe validation (#840)
[etc/vim.git] / README.md
diff --git a/README.md b/README.md
index 57272aefc3f85078499b4eccc204a3472dac1ca6..6635675fa085039bdaf4068311faa1ac79f7a99f 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,14 +1,14 @@
-![Black Logo](https://raw.githubusercontent.com/ambv/black/master/docs/_static/logo2-readme.png)
+![Black Logo](https://raw.githubusercontent.com/python/black/master/docs/_static/logo2-readme.png)
 <h2 align="center">The Uncompromising Code Formatter</h2>
 
 <p align="center">
 <h2 align="center">The Uncompromising Code Formatter</h2>
 
 <p align="center">
-<a href="https://travis-ci.org/ambv/black"><img alt="Build Status" src="https://travis-ci.org/ambv/black.svg?branch=master"></a>
+<a href="https://travis-ci.org/python/black"><img alt="Build Status" src="https://travis-ci.org/python/black.svg?branch=master"></a>
 <a href="https://black.readthedocs.io/en/stable/?badge=stable"><img alt="Documentation Status" src="https://readthedocs.org/projects/black/badge/?version=stable"></a>
 <a href="https://black.readthedocs.io/en/stable/?badge=stable"><img alt="Documentation Status" src="https://readthedocs.org/projects/black/badge/?version=stable"></a>
-<a href="https://coveralls.io/github/ambv/black?branch=master"><img alt="Coverage Status" src="https://coveralls.io/repos/github/ambv/black/badge.svg?branch=master"></a>
-<a href="https://github.com/ambv/black/blob/master/LICENSE"><img alt="License: MIT" src="https://black.readthedocs.io/en/stable/_static/license.svg"></a>
+<a href="https://coveralls.io/github/python/black?branch=master"><img alt="Coverage Status" src="https://coveralls.io/repos/github/python/black/badge.svg?branch=master"></a>
+<a href="https://github.com/python/black/blob/master/LICENSE"><img alt="License: MIT" src="https://black.readthedocs.io/en/stable/_static/license.svg"></a>
 <a href="https://pypi.org/project/black/"><img alt="PyPI" src="https://black.readthedocs.io/en/stable/_static/pypi.svg"></a>
 <a href="https://pepy.tech/project/black"><img alt="Downloads" src="https://pepy.tech/badge/black"></a>
 <a href="https://pypi.org/project/black/"><img alt="PyPI" src="https://black.readthedocs.io/en/stable/_static/pypi.svg"></a>
 <a href="https://pepy.tech/project/black"><img alt="Downloads" src="https://pepy.tech/badge/black"></a>
-<a href="https://github.com/ambv/black"><img alt="Code style: black" src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
+<a href="https://github.com/python/black"><img alt="Code style: black" src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
 </p>
 
 > “Any color you like.”
 </p>
 
 > “Any color you like.”
@@ -38,6 +38,7 @@ Try it out now using the [Black Playground](https://black.now.sh).
 **[blackd](#blackd)** |
 **[Version control integration](#version-control-integration)** |
 **[Ignoring unmodified files](#ignoring-unmodified-files)** |
 **[blackd](#blackd)** |
 **[Version control integration](#version-control-integration)** |
 **[Ignoring unmodified files](#ignoring-unmodified-files)** |
+**[Used by](#used-by)** |
 **[Testimonials](#testimonials)** |
 **[Show your style](#show-your-style)** |
 **[Contributing](#contributing-to-black)** |
 **[Testimonials](#testimonials)** |
 **[Show your style](#show-your-style)** |
 **[Contributing](#contributing-to-black)** |
@@ -71,16 +72,18 @@ black {source_file_or_directory}
 black [OPTIONS] [SRC]...
 
 Options:
 black [OPTIONS] [SRC]...
 
 Options:
+  -c, --code TEXT                 Format the code passed in as a string.
   -l, --line-length INTEGER       How many characters per line to allow.
                                   [default: 88]
   -l, --line-length INTEGER       How many characters per line to allow.
                                   [default: 88]
-  -t, --target-version [pypy35|cpy27|cpy33|cpy34|cpy35|cpy36|cpy37|cpy38]
+  -t, --target-version [py27|py33|py34|py35|py36|py37|py38]
                                   Python versions that should be supported by
                                   Black's output. [default: per-file auto-
                                   detection]
   --py36                          Allow using Python 3.6-only syntax on all
                                   input files.  This will put trailing commas
                                   in function signatures and calls also after
                                   Python versions that should be supported by
                                   Black's output. [default: per-file auto-
                                   detection]
   --py36                          Allow using Python 3.6-only syntax on all
                                   input files.  This will put trailing commas
                                   in function signatures and calls also after
-                                  *args and **kwargs.  [default: per-file
+                                  *args and **kwargs. Deprecated; use
+                                  --target-version instead. [default: per-file
                                   auto-detection]
   --pyi                           Format all input files like typing stubs
                                   regardless of file extension (useful when
                                   auto-detection]
   --pyi                           Format all input files like typing stubs
                                   regardless of file extension (useful when
@@ -135,7 +138,7 @@ Options:
 
 ### NOTE: This is a beta product
 
 
 ### NOTE: This is a beta product
 
-*Black* is already successfully used by several projects, small and big.
+*Black* is already [successfully used](#used-by) by many projects, small and big.
 It also sports a decent test suite.  However, it is still very new.
 Things will probably be wonky for a while. This is made explicit by the
 "Beta" trove classifier, as well as by the "b" in the version number.
 It also sports a decent test suite.  However, it is still very new.
 Things will probably be wonky for a while. This is made explicit by the
 "Beta" trove classifier, as well as by the "b" in the version number.
@@ -369,7 +372,7 @@ The main reason to standardize on a single form of quotes is aesthetics.
 Having one kind of quotes everywhere reduces reader distraction.
 It will also enable a future version of *Black* to merge consecutive
 string literals that ended up on the same line (see
 Having one kind of quotes everywhere reduces reader distraction.
 It will also enable a future version of *Black* to merge consecutive
 string literals that ended up on the same line (see
-[#26](https://github.com/ambv/black/issues/26) for details).
+[#26](https://github.com/python/black/issues/26) for details).
 
 Why settle on double quotes?  They anticipate apostrophes in English
 text.  They match the docstring standard described in [PEP 257](https://www.python.org/dev/peps/pep-0257/#what-is-a-docstring).
 
 Why settle on double quotes?  They anticipate apostrophes in English
 text.  They match the docstring standard described in [PEP 257](https://www.python.org/dev/peps/pep-0257/#what-is-a-docstring).
@@ -576,7 +579,7 @@ to denote a significant space character.
 ```toml
 [tool.black]
 line-length = 88
 ```toml
 [tool.black]
 line-length = 88
-py36 = true
+target-version = ['py37']
 include = '\.pyi?$'
 exclude = '''
 
 include = '\.pyi?$'
 exclude = '''
 
@@ -616,10 +619,11 @@ configuration from different levels of the file hierarchy.
 
 ### Emacs
 
 
 ### Emacs
 
-Use [proofit404/blacken](https://github.com/proofit404/blacken).
+Use [proofit404/blacken](https://github.com/proofit404/blacken) or
+[Elpy](https://github.com/jorgenschaefer/elpy).
 
 
 
 
-### PyCharm
+### PyCharm/IntelliJ IDEA
 
 1. Install `black`.
 
 
 1. Install `black`.
 
@@ -643,30 +647,70 @@ $ where black
 %LocalAppData%\Programs\Python\Python36-32\Scripts\black.exe  # possible location
 ```
 
 %LocalAppData%\Programs\Python\Python36-32\Scripts\black.exe  # possible location
 ```
 
-3. Open External tools in PyCharm with `File -> Settings -> Tools -> External Tools`.
+3. Open External tools in PyCharm/IntelliJ IDEA
+
+  On macOS:
+
+```PyCharm -> Preferences -> Tools -> External Tools```
+
+  On Windows / Linux / BSD:
+
+```File -> Settings -> Tools -> External Tools```
 
 4. Click the + icon to add a new external tool with the following values:
     - Name: Black
     - Description: Black is the uncompromising Python code formatter.
     - Program: <install_location_from_step_2>
 
 4. Click the + icon to add a new external tool with the following values:
     - Name: Black
     - Description: Black is the uncompromising Python code formatter.
     - Program: <install_location_from_step_2>
-    - Arguments: `$FilePath$`
+    - Arguments: `"$FilePath$"`
 
 5. Format the currently opened file by selecting `Tools -> External Tools -> black`.
 
 5. Format the currently opened file by selecting `Tools -> External Tools -> black`.
-    - Alternatively, you can set a keyboard shortcut by navigating to `Preferences -> Keymap -> External Tools -> External Tools - Black`.
+    - Alternatively, you can set a keyboard shortcut by navigating to `Preferences or Settings -> Keymap -> External Tools -> External Tools - Black`.
 
 
-6. Optionally, run Black on every file save:
+6. Optionally, run *Black* on every file save:
 
     1. Make sure you have the [File Watcher](https://plugins.jetbrains.com/plugin/7177-file-watchers) plugin installed.
 
     1. Make sure you have the [File Watcher](https://plugins.jetbrains.com/plugin/7177-file-watchers) plugin installed.
-    2. Go to `Preferences -> Tools -> File Watchers` and click `+` to add a new watcher:
+    2. Go to `Preferences or Settings -> Tools -> File Watchers` and click `+` to add a new watcher:
         - Name: Black
         - File type: Python
         - Scope: Project Files
         - Program: <install_location_from_step_2>
         - Arguments: `$FilePath$`
         - Name: Black
         - File type: Python
         - Scope: Project Files
         - Program: <install_location_from_step_2>
         - Arguments: `$FilePath$`
-        - Output paths to refresh: `$FilePathRelativeToProjectRoot$`
+        - Output paths to refresh: `$FilePath$`
         - Working directory: `$ProjectFileDir$`
        - Uncheck "Auto-save edited files to trigger the watcher"
 
         - Working directory: `$ProjectFileDir$`
        - Uncheck "Auto-save edited files to trigger the watcher"
 
+
+
+### Wing IDE 
+
+Wing supports black via the OS Commands tool, as explained in the Wing documentation on [pep8 formatting](https://wingware.com/doc/edit/pep8). The detailed procedure is:
+
+1. Install `black`.
+
+```console
+$ pip install black
+```
+
+2. Make sure it runs from the command line, e.g.
+
+```console
+$ black --help
+```
+
+3. In Wing IDE, activate the **OS Commands** panel  and define the command  **black** to execute black on the currently selected file:
+
+- Use the Tools -> OS Commands menu selection
+- click on **+** in **OS Commands** -> New: Command line..
+  - Title: black
+  - Command Line: black %s
+  - I/O Encoding: Use Default 
+  - Key Binding: F1
+  - [x] Raise OS Commands when executed
+  - [x] Auto-save files before execution
+  - [x] Line mode
+
+4. Select a file in the editor and press **F1** , or whatever key binding you selected in step 3, to reformat the file.
+
 ### Vim
 
 Commands and shortcuts:
 ### Vim
 
 Commands and shortcuts:
@@ -685,16 +729,16 @@ Configuration:
 To install with [vim-plug](https://github.com/junegunn/vim-plug):
 
 ```
 To install with [vim-plug](https://github.com/junegunn/vim-plug):
 
 ```
-Plug 'ambv/black'
+Plug 'python/black'
 ```
 
 or with [Vundle](https://github.com/VundleVim/Vundle.vim):
 
 ```
 ```
 
 or with [Vundle](https://github.com/VundleVim/Vundle.vim):
 
 ```
-Plugin 'ambv/black'
+Plugin 'python/black'
 ```
 
 ```
 
-or you can copy the plugin from [plugin/black.vim](https://github.com/ambv/black/tree/master/plugin/black.vim).
+or you can copy the plugin from [plugin/black.vim](https://github.com/python/black/tree/master/plugin/black.vim).
 Let me know if this requires any changes to work with Vim 8's builtin
 `packadd`, or Pathogen, and so on.
 
 Let me know if this requires any changes to work with Vim 8's builtin
 `packadd`, or Pathogen, and so on.
 
@@ -766,7 +810,7 @@ The formatted code will be returned on stdout (unless `--check` was
 passed).  *Black* will still emit messages on stderr but that shouldn't
 affect your use case.
 
 passed).  *Black* will still emit messages on stderr but that shouldn't
 affect your use case.
 
-This can be used for example with PyCharm's [File Watchers](https://www.jetbrains.com/help/pycharm/file-watchers.html).
+This can be used for example with PyCharm's or IntelliJ's [File Watchers](https://www.jetbrains.com/help/pycharm/file-watchers.html).
 
 ## blackd
 
 
 ## blackd
 
@@ -822,8 +866,8 @@ The headers controlling how code is formatted are:
  - `X-Python-Variant`: if set to `pyi`, `blackd` will act as *Black* does when
     passed the `--pyi` command line flag. Otherwise, its value must correspond to
     a Python version or a set of comma-separated Python versions, optionally
  - `X-Python-Variant`: if set to `pyi`, `blackd` will act as *Black* does when
     passed the `--pyi` command line flag. Otherwise, its value must correspond to
     a Python version or a set of comma-separated Python versions, optionally
-    prefixed with `cpy` or `pypy`. For example, to request code that is compatible
-    with PyPy 3.5 and CPython 3.5, set the header to `pypy3.5,cpy3.5`.
+    prefixed with `py`. For example, to request code that is compatible
+    with Python 3.5 and 3.6, set the header to `py3.5,py3.6`.
 
 If any of these headers are set to invalid values, `blackd` returns a `HTTP 400`
 error response, mentioning the name of the problematic header in the message body.
 
 If any of these headers are set to invalid values, `blackd` returns a `HTTP 400`
 error response, mentioning the name of the problematic header in the message body.
@@ -847,7 +891,7 @@ installed](https://pre-commit.com/#install), add this to the
 `.pre-commit-config.yaml` in your repository:
 ```yaml
 repos:
 `.pre-commit-config.yaml` in your repository:
 ```yaml
 repos:
--   repo: https://github.com/ambv/black
+-   repo: https://github.com/python/black
     rev: stable
     hooks:
     - id: black
     rev: stable
     hooks:
     - id: black
@@ -881,6 +925,15 @@ is:
 as .pyi, and whether string normalization was omitted.
 
 
 as .pyi, and whether string normalization was omitted.
 
 
+## Used by
+
+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, Pipenv, virtualenv).
+
+Are we missing anyone?  Let us know.
+
+
 ## Testimonials
 
 **Dusty Phillips**, [writer](https://smile.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=dusty+phillips):
 ## Testimonials
 
 **Dusty Phillips**, [writer](https://smile.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=dusty+phillips):
@@ -907,16 +960,16 @@ and [`pipenv`](https://docs.pipenv.org/):
 Use the badge in your project's README.md:
 
 ```markdown
 Use the badge in your project's README.md:
 
 ```markdown
-[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)
+[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/python/black)
 ```
 
 Using the badge in README.rst:
 ```
 .. image:: https://img.shields.io/badge/code%20style-black-000000.svg
 ```
 
 Using the badge in README.rst:
 ```
 .. image:: https://img.shields.io/badge/code%20style-black-000000.svg
-    :target: https://github.com/ambv/black
+    :target: https://github.com/python/black
 ```
 
 ```
 
-Looks like this: [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)
+Looks like this: [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/python/black)
 
 
 ## License
 
 
 ## License
@@ -942,15 +995,53 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
 
 ## Change Log
 
 
 ## Change Log
 
-### 19.2b0
+### 19.5b0
 
 
-* long `del` statements are now split into multiple lines (#698)
+* don't crash when run on a Windows machine with more than 61 cores (#838)
 
 
-* *Black* no longer normalizes numeric literals to include `_` separators (#696)
+* remove unnecessary parentheses around `yield` expressions (#834)
+
+* add parentheses around long tuples in unpacking assignments (#832)
+
+* don't produce invalid code for `from` ... `import` blocks with comments
+  (#829)
+
+* fix grammar selection (#765)
+
+* fix feature detection for trailing commas in function definitions and
+  call sites (#763)
+
+* add `black -c` as a way to format code passed from the command line (#761)
+
+* fix bug that led *Black* format some code with a line length target of 1
+  (#762)
+
+### 19.3b0
 
 * new option `--target-version` to control which Python versions
   *Black*-formatted code should target (#618)
 
 
 * new option `--target-version` to control which Python versions
   *Black*-formatted code should target (#618)
 
+* deprecated `--py36` (use `--target-version=py36` instead) (#724)
+
+* *Black* no longer normalizes numeric literals to include `_` separators (#696)
+
+* long `del` statements are now split into multiple lines (#698)
+
+* type comments are no longer mangled in function signatures
+
+* improved performance of formatting deeply nested data structures (#509)
+
+* *Black* now properly formats multiple files in parallel on
+  Windows (#632)
+
+* *Black* now creates cache files atomically which allows it to be used
+  in parallel pipelines (like `xargs -P8`) (#673)
+
+* *Black* now correctly indents comments in files that were previously
+  formatted with tabs (#262)
+
+* `blackd` now supports CORS (#622)
+
 ### 18.9b0
 
 * numeric literals are now formatted by *Black* (#452, #461, #464, #469):
 ### 18.9b0
 
 * numeric literals are now formatted by *Black* (#452, #461, #464, #469):
@@ -1357,6 +1448,7 @@ Multiple contributions by:
 * [Christian Heimes](mailto:christian@python.org)
 * [Daniel M. Capella](mailto:polycitizen@gmail.com)
 * [Eli Treuherz](mailto:eli@treuherz.com)
 * [Christian Heimes](mailto:christian@python.org)
 * [Daniel M. Capella](mailto:polycitizen@gmail.com)
 * [Eli Treuherz](mailto:eli@treuherz.com)
+* hauntsaninja
 * Hugo van Kemenade
 * [Ivan Katanić](mailto:ivan.katanic@gmail.com)
 * [Jonas Obrist](mailto:ojiidotch@gmail.com)
 * Hugo van Kemenade
 * [Ivan Katanić](mailto:ivan.katanic@gmail.com)
 * [Jonas Obrist](mailto:ojiidotch@gmail.com)
@@ -1368,5 +1460,6 @@ Multiple contributions by:
 * [Peter Bengtsson](mailto:mail@peterbe.com)
 * [Stavros Korokithakis](mailto:hi@stavros.io)
 * [Sunil Kapil](mailto:snlkapil@gmail.com)
 * [Peter Bengtsson](mailto:mail@peterbe.com)
 * [Stavros Korokithakis](mailto:hi@stavros.io)
 * [Sunil Kapil](mailto:snlkapil@gmail.com)
+* [Utsav Shah](mailto:ukshah2@illinois.edu)
 * [Vishwas B Sharma](mailto:sharma.vishwas88@gmail.com)
 * [Chuck Wooters](mailto:chuck.wooters@microsoft.com)
 * [Vishwas B Sharma](mailto:sharma.vishwas88@gmail.com)
 * [Chuck Wooters](mailto:chuck.wooters@microsoft.com)
vim configuration

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