X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/7403d95862ae54c3504a8003666e1a0739067894..5316bbff0e9db989db98b14761ce2c299a05895b:/docs/blackd.md diff --git a/docs/blackd.md b/docs/blackd.md index 287626f..c8058ee 100644 --- a/docs/blackd.md +++ b/docs/blackd.md @@ -1,13 +1,13 @@ ## blackd `blackd` is a small HTTP server that exposes _Black_'s functionality over a simple -protocol. The main benefit of using it is to avoid paying the cost of starting up a new -_Black_ process every time you want to blacken a file. +protocol. The main benefit of using it is to avoid the cost of starting up a new _Black_ +process every time you want to blacken a file. ### Usage `blackd` is not packaged alongside _Black_ by default because it has additional -dependencies. You will need to do `pip install black[d]` to install it. +dependencies. You will need to execute `pip install black[d]` to install it. You can start the server on the default port, binding only to the local interface by running `blackd`. You will see a single line mentioning the server's version, and the @@ -28,7 +28,7 @@ Options: -h, --help Show this message and exit. ``` -There is no official blackd client tool (yet!). You can test that blackd is working +There is no official `blackd` client tool (yet!). You can test that blackd is working using `curl`: ```sh @@ -43,17 +43,20 @@ contain the python source code to be formatted, encoded according to the `charse in the `Content-Type` request header. If no `charset` is specified, `blackd` assumes `UTF-8`. -There are a few HTTP headers that control how the source is formatted. These correspond -to command line flags for _Black_. There is one exception to this: `X-Protocol-Version` -which if present, should have the value `1`, otherwise the request is rejected with -`HTTP 501` (Not Implemented). +There are a few HTTP headers that control how the source code is formatted. These +correspond to command line flags for _Black_. There is one exception to this: +`X-Protocol-Version` which if present, should have the value `1`, otherwise the request +is rejected with `HTTP 501` (Not Implemented). -The headers controlling how code is formatted are: +The headers controlling how source code is formatted are: - `X-Line-Length`: corresponds to the `--line-length` command line flag. - `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-Magic-Trailing-Comma`: corresponds to the `--skip-magic-trailing-comma` + command line flag. If present and its value is not the empty string, trailing commas + will not be used as a reason to split lines. - `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 @@ -74,7 +77,7 @@ Apart from the above, `blackd` can produce the following response codes: blackened Python code, and the `Content-Type` header is set accordingly. - `HTTP 400`: If the input contains a syntax error. Details of the error are returned in the response body. -- `HTTP 500`: If there was any kind of error while trying to format the input. The +- `HTTP 500`: If there was any other kind of error while trying to format the input. The response body contains a textual representation of the error. The response headers include a `X-Black-Version` header containing the version of