Fix PyCharm instructions in README (#701)

[etc/vim.git] / README.md

diff --git a/README.md b/README.md
index 7be809371ede219d5d093e408913e75228801287..00218b63c3d5c2bb1110f6d70939d47c4010c947 100644 (file)
--- a/README.md
+++ b/README.md
@@ -71,46 +71,52 @@ black {source_file_or_directory}
 black [OPTIONS] [SRC]...
 
 Options:
 black [OPTIONS] [SRC]...
 
 Options:

-  -l, --line-length INTEGER   Where to wrap around.  [default: 88]
-  --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 auto-detection]
-  --pyi                       Format all input files like typing stubs
-                              regardless of file extension (useful when piping
-                              source on standard input).
+  -l, --line-length INTEGER       How many characters per line to allow.
+                                  [default: 88]
+  -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]
+  --pyi                           Format all input files like typing stubs
+                                  regardless of file extension (useful when
+                                  piping source on standard input).

   -S, --skip-string-normalization
   -S, --skip-string-normalization

-                              Don't normalize string quotes or prefixes.
-  -N, --skip-numeric-underscore-normalization
-                              Don't normalize underscores in numeric literals.
-  --check                     Don't write the files back, just return the
-                              status.  Return code 0 means nothing would
-                              change.  Return code 1 means some files would be
-                              reformatted.  Return code 123 means there was an
-                              internal error.
-  --diff                      Don't write the files back, just output a diff
-                              for each file on stdout.
-  --fast / --safe             If --fast given, skip temporary sanity checks.
-                              [default: --safe]
-  --include TEXT              A regular expression that matches files and
-                              directories that should be included on
-                              recursive searches. On Windows, use forward
-                              slashes for directories.  [default: \.pyi?$]
-  --exclude TEXT              A regular expression that matches files and
-                              directories that should be excluded on
-                              recursive searches. On Windows, use forward
-                              slashes for directories.  [default:
-                              build/|buck-out/|dist/|_build/|\.eggs/|\.git/|
-                              \.hg/|\.mypy_cache/|\.nox/|\.tox/|\.venv/]
-  -q, --quiet                 Don't emit non-error messages to stderr. Errors
-                              are still emitted, silence those with
-                              2>/dev/null.
-  -v, --verbose               Also emit messages to stderr about files
-                              that were not changed or were ignored due to
-                              --exclude=.
-  --version                   Show the version and exit.
-  --config PATH               Read configuration from PATH.
-  --help                      Show this message and exit.
+                                  Don't normalize string quotes or prefixes.
+  --check                         Don't write the files back, just return the
+                                  status.  Return code 0 means nothing would
+                                  change.  Return code 1 means some files
+                                  would be reformatted.  Return code 123 means
+                                  there was an internal error.
+  --diff                          Don't write the files back, just output a
+                                  diff for each file on stdout.
+  --fast / --safe                 If --fast given, skip temporary sanity
+                                  checks. [default: --safe]
+  --include TEXT                  A regular expression that matches files and
+                                  directories that should be included on
+                                  recursive searches.  An empty value means
+                                  all files are included regardless of the
+                                  name.  Use forward slashes for directories
+                                  on all platforms (Windows, too).  Exclusions
+                                  are calculated first, inclusions later.
+                                  [default: \.pyi?$]
+  --exclude TEXT                  A regular expression that matches files and
+                                  directories that should be excluded on
+                                  recursive searches.  An empty value means no
+                                  paths are excluded. Use forward slashes for
+                                  directories on all platforms (Windows, too).
+                                  Exclusions are calculated first, inclusions
+                                  later.  [default: /(\.eggs|\.git|\.hg|\.mypy
+                                  _cache|\.nox|\.tox|\.venv|_build|buck-
+                                  out|build|dist)/]
+  -q, --quiet                     Don't emit non-error messages to stderr.
+                                  Errors are still emitted, silence those with
+                                  2>/dev/null.
+  -v, --verbose                   Also emit messages to stderr about files
+                                  that were not changed or were ignored due to
+                                  --exclude=.
+  --version                       Show the version and exit.
+  --config PATH                   Read configuration from PATH.
+  -h, --help                      Show this message and exit.

 ```
 
 *Black* is a well-behaved Unix-style command-line tool:
 ```
 
 *Black* is a well-behaved Unix-style command-line tool:


@@ -178,12 +184,12 @@ brackets and put that in a separate indented line.
 ```py3
 # in:
 
 ```py3
 # in:
 

-TracebackException.from_exception(exc, limit, lookup_lines, capture_locals)
+ImportantClass.important_method(exc, limit, lookup_lines, capture_locals, extra_argument)

 
 # out:
 
 
 # out:
 

-TracebackException.from_exception(
-    exc, limit, lookup_lines, capture_locals
+ImportantClass.important_method(
+    exc, limit, lookup_lines, capture_locals, extra_argument

 )
 ```
 
 )
 ```
 


@@ -197,7 +203,7 @@ separate lines.
 ```py3
 # in:
 
 ```py3
 # in:
 

-def very_important_function(template: str, *variables, file: os.PathLike, debug: bool = False):
+def very_important_function(template: str, *variables, file: os.PathLike, engine: str, header: bool = True, debug: bool = False):

     """Applies `variables` to the `template` and writes to `file`."""
     with open(file, 'w') as f:
         ...
     """Applies `variables` to the `template` and writes to `file`."""
     with open(file, 'w') as f:
         ...


@@ -208,6 +214,8 @@ def very_important_function(
     template: str,
     *variables,
     file: os.PathLike,
     template: str,
     *variables,
     file: os.PathLike,

+    engine: str,
+    header: bool = True,

     debug: bool = False,
 ):
     """Applies `variables` to the `template` and writes to `file`."""
     debug: bool = False,
 ):
     """Applies `variables` to the `template` and writes to `file`."""


@@ -381,14 +389,8 @@ an adoption helper, avoid using this for new projects.
 *Black* standardizes most numeric literals to use lowercase letters for the
 syntactic parts and uppercase letters for the digits themselves: `0xAB`
 instead of `0XAB` and `1e10` instead of `1E10`. Python 2 long literals are
 *Black* standardizes most numeric literals to use lowercase letters for the
 syntactic parts and uppercase letters for the digits themselves: `0xAB`
 instead of `0XAB` and `1e10` instead of `1E10`. Python 2 long literals are

-styled as `2L` instead of `2l` to avoid confusion between `l` and `1`. In
-Python 3.6+, *Black* adds underscores to long numeric literals to aid
-readability: `100000000` becomes `100_000_000`.
+styled as `2L` instead of `2l` to avoid confusion between `l` and `1`.

 
 

-For regions where numerals are grouped differently (like [India](https://en.wikipedia.org/wiki/Indian_numbering_system)
-and [China](https://en.wikipedia.org/wiki/Chinese_numerals#Whole_numbers)),
-the `-N` or `--skip-numeric-underscore-normalization` command line option
-makes *Black* preserve underscores in numeric literals.

 
 ### Line breaks & binary operators
 
 
 ### Line breaks & binary operators
 


@@ -569,25 +571,26 @@ 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 = '''

-/(
-    \.eggs
-  | \.git
-  | \.hg
-  | \.mypy_cache
-  | \.tox
-  | \.venv
-  | _build
-  | buck-out
-  | build
-  | dist
-
-  # The following are specific to Black, you probably don't want those.
-  | blib2to3
-  | tests/data
-)/
+
+(
+  /(
+      \.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
+)

 '''
 ```
 
 '''
 ```
 


@@ -655,8 +658,9 @@ $ where black
         - Scope: Project Files
         - Program: <install_location_from_step_2>
         - Arguments: `$FilePath$`
         - Scope: Project Files
         - Program: <install_location_from_step_2>
         - Arguments: `$FilePath$`

-        - Output paths to refresh: `$FilePathRelativeToProjectRoot$`
+        - Output paths to refresh: `$FilePath$`

         - Working directory: `$ProjectFileDir$`
         - Working directory: `$ProjectFileDir$`

+       - Uncheck "Auto-save edited files to trigger the watcher"

 
 ### Vim
 
 
 ### Vim
 


@@ -808,14 +812,13 @@ The headers controlling how code is formatted are:
  - `X-Skip-String-Normalization`: corresponds to the `--skip-string-normalization`
     command line flag. If present and its value is not the empty string, no string
     normalization will be performed.
  - `X-Skip-String-Normalization`: corresponds to the `--skip-string-normalization`
     command line flag. If present and its value is not the empty string, no string
     normalization will be performed.

- - `X-Skip-Numeric-Underscore-Normalization`: corresponds to the
-    `--skip-numeric-underscore-normalization` command line flag.

  - `X-Fast-Or-Safe`: if set to `fast`, `blackd` will act as *Black* does when
     passed the `--fast` command line flag.
  - `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
  - `X-Fast-Or-Safe`: if set to `fast`, `blackd` will act as *Black* does when
     passed the `--fast` command line flag.
  - `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. If this value represents at least Python 3.6, `blackd` will
-    act as *Black* does when passed the `--py36` command line flag.
+    a Python version or a set of comma-separated Python versions, optionally
+    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.


@@ -934,6 +937,21 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
 
 ## Change Log
 
 
 ## Change Log
 

+### 19.3b0
+
+* new option `--target-version` to control which Python versions
+  *Black*-formatted code should target (#618)
+
+* removed `--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)
+
+* improved performance of formatting deeply nested data structures (#509)
+
+* `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):


@@ -1340,13 +1358,14 @@ 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)
 * [Luka Sterbic](mailto:luka.sterbic@gmail.com)
 * [Miguel Gaiowski](mailto:miggaiowski@gmail.com)
 * [Miroslav Shubernetskiy](mailto:miroslav@miki725.com)
 * Hugo van Kemenade
 * [Ivan Katanić](mailto:ivan.katanic@gmail.com)
 * [Jonas Obrist](mailto:ojiidotch@gmail.com)
 * [Luka Sterbic](mailto:luka.sterbic@gmail.com)
 * [Miguel Gaiowski](mailto:miggaiowski@gmail.com)
 * [Miroslav Shubernetskiy](mailto:miroslav@miki725.com)

-* [Neraste](neraste.herr10@gmail.com)
+* [Neraste](mailto:neraste.herr10@gmail.com)

 * [Osaetin Daniel](mailto:osaetindaniel@gmail.com)
 * [Peter Bengtsson](mailto:mail@peterbe.com)
 * [Stavros Korokithakis](mailto:hi@stavros.io)
 * [Osaetin Daniel](mailto:osaetindaniel@gmail.com)
 * [Peter Bengtsson](mailto:mail@peterbe.com)
 * [Stavros Korokithakis](mailto:hi@stavros.io)