Every one of the projects in this repository is available at the canonical
URL git://git.madduck.net/madduck/pub/<projectpath> — see
each project's metadata for the exact URL.
All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
Fix an invalid quote escaping bug in f-string expressions (#3509)
Fixes #3506
We can't simply escape the quotes in a naked f-string when merging string groups, because backslashes are invalid.
The quotes in f-string expressions should be toggled (this is safe since quotes can't be reused).
This fix also means implicitly concatenated f-strings with different quotes can now be merged or quote-normalized by changing the quotes used in expressions. e.g.:
```diff
raise sa_exc.UnboundExecutionError(
"Could not locate a bind configured on "
- f'{", ".join(context)} or this Session.'
+ f"{', '.join(context)} or this Session."
)
```
Use dashes for pycodestyle max line length config (#3513)
The option is `max-line-length` with dashes, not underscores. The config option name is given in the output of `pycodestyle -h`, which can also be checked on https://pep8.readthedocs.io/en/stable/intro.html#example-usage-and-output:
```
Configuration:
The project options are read from the [pycodestyle] section of the
tox.ini file or the setup.cfg file located in any parent folder of the
path(s) being processed. Allowed options are: exclude, filename,
select, ignore, max-line-length, max-doc-length, hang-closing, count,
format, quiet, show-pep8, show-source, statistics, verbose
```
Fix false symlink detection claims in verbose output (#3385)
When trying to format a project from the outside, the verbose output
shows says that there are symbolic links that points outside of the
project, but displays the wrong project path, meaning that these
messages are false positives.
This bug is triggered when the command is executed from outside a
project on a folder inside it, causing an inconsistency between the
path to the detected project root and the relative path to the target
contents.
The fix is to normalize the target path using the project root before
processing the sources, which removes the presence of the incorrect
messages.
---
The test attemps to emulate the behavior of the CLI as closely as
posible by patching some `pathlib.Path` methods and passing certain
reference paths to the context object and `black.get_sources`.
Before the associated fix was introduced, this test failed because
some of the captured files reported the presence of a symlink due to
an incorrectly formated path. The test also asserts that only a single
file is reported as ignored, which is part of the expected behavior.
Ruslan [Sat, 14 Jan 2023 18:32:00 +0000 (01:32 +0700)]
Add IntelliJ docs on external tools and file watcher (#3365)
Revert deleted documentation on setting up Black using IntelliJ
external tool or file watcher utilities. These are still worth keeping
because some peole might not want to use a third-party plugin or
install Blackd's extra dependencies.
Jordan Ephron [Thu, 29 Dec 2022 23:13:15 +0000 (18:13 -0500)]
Parenthesize conditional expressions (#2278)
Co-authored-by: Jordan Ephron <JEphron@users.noreply.github.com> Co-authored-by: Richard Si <63936253+ichard26@users.noreply.github.com> Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Matthew Armand [Tue, 20 Dec 2022 23:00:06 +0000 (18:00 -0500)]
Vim plugin docs improvements (#3468)
* Organize vim plugin section with headers to separate out Installation, Usage, and Troubleshooting for readability and easy linking
* Add missing plugin configuration options, with current defaults
* Add installation note for Arch Linux, now that the plugin is shipped with the python-black package (ref: https://bugs.archlinux.org/task/73024)
* Fix vim-plug specification to follow stable releases. Moving the same tag is an antipattern that doesn't re-resolve with vim-plug, see this discussion for more detail (https://github.com/junegunn/vim-plug/pull/720\#issuecomment-1105829356). Per vim-plug's maintainer's recommendation, use the 'tag' key instead with a shell wildcard. Wildcard should be '*.*.*' as that follows Black's versioning detailed here (https://black.readthedocs.io/en/latest/contributing/release_process.html\#cutting-a-release) and doesn't include current alpha releases.
Including the invisible paren, third line is `).xxxxxxxxxxxxxxxxxx()), (`, that it has a matched pair then an unmatched closing paren afterwards. This PR ensures the returned leaves are actually matched.
Remove whitespaces of whitespace-only files (#3348)
Currently, empty and whitespace-only (with or without newlines) are
not modified. In some discussions (issues and pull requests) consensus
was to reformat whitespace-only files to empty or single-character
files, preserving line endings when possible. With that said, this
commit introduces the following behaviors:
* Empty files are left as is
* Whitespace-only files (no newline) reformat into empty files
* Whitespace-only files (1 or more newlines) reformat into a single
newline character
To implement these changes, we moved the initial check at
`format_file_contents` that raises `NothingChanged` if the source
(with no whitespaces) is an empty string. In the case of *.ipynb
files, `format_ipynb_string` checks a similar condition and removed
whitespaces. In the case of Python files, `format_str_once` includes a
check on the output that returns the correct newline character if
possible or an empty string otherwise.
Compare each .gitignore found with an appropiate relative path (#3338)
* Apply .gitignore files considering their location
When a .gitignore file contains the special rule to ignore every
subfolder content (`*/*`) and the file is located in a subfolder
relative to where the command is executed (root), the rule is
incorrectly applied and ignores every file at the same level of the
.gitignore file.
The reason for this is that the `gitignore` variable accumulates the
rules found in each .gitignore while traversing files and directories
recursively. This makes sense and, in general, works as expected. The
problem is that the gitignore rules are applied using as the relative
path from root to target directory as a reference. This is the cause
of the bug.
The implemented solution keeps track of every .gitignore file found
while traversing the targets and the absolute location of each
.gitignore file. Then, when matching files to the .gitignore rules,
compare each set of rules with the appropiate relative path to the
candidate target file.
To make this possible, we changed the single `gitignore` object with a
dictionary of similar objects, where the corresponding key is the
absolute path to the folder that contains that .gitignore file. This
required changing the signature of the `get_sources` function. Also, we
introduce a `is_ignored` function that compares a file with every set
of rules. Finally, some tests required an update to pass the gitignore
object in the new format.
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Test .gitignore with `*/*` is applied correctly
The test contains three cases: 1) when the .gitignore with the special
rule to ignore every subfolder and its contents (*/*) is in the root,
2) when the file is inside a subfolder relative to root (nested), and
3) when the target folder contains the .gitignore and root is a parent
folder of the target. In all of these cases, we compare the files that
are visible by Black with a known list of paths containing the
expected values.
Before the fix introduced in the previous commit, these tests failed
when the .gitignore file was nested (second case). Now, the test is
passed for all cases.
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Update CHANGES.md
Add entry about fixed bug and changes introduced: ignore files by
considering the location of each .gitignore file and the relative path
of each target
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Small refactor to improve code readability
These changes are small improvements to improve code readability:
rename a variable to a more descriptive name (from `exclude_is_None`
to `using_default_exclude`), use a better syntax to include the type
annotation for `gitignore` variable (from typing comment to
Python-style typing annotation), and replace an if-else block with a
single dictionary definition (in this case, we need to compare keys
instead of values, meaning that the change works)
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Make nested function a top-level function
The function to match a given path with every discovered .gitignore
file does not need to be a nested function and can be a top-level
function. The arguments did not change, but the naming of local
variables was improved for readability.
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl> Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
Apply .gitignore correctly in every source entry (#3336)
When passing multiple src directories, the root gitignore was only
applied to the first processed source. The reason is that, in the
first source, exclude is `None`, but then the value gets overridden by
`re_compile_maybe_verbose(DEFAULT_EXCLUDES)`, so in the next iteration
where the source is a directory, the condition is not met and sets the
value of `gitignore` to `None`.
To fix this problem, we store a boolean indicating if `exclude` is
`None` and set the value of `exclude` to its default value if that's
the case. This makes sure that the flow enters the correct condition on
following iterations and also keeps the original value if the condition
is not met.
Also, the value of `gitignore` is initialized as `None` and overriden
if necessary. The value of `root_gitignore` is always calculated to
avoid using additional variables (at the small cost of additional
computations).
Corey Hickey [Thu, 27 Oct 2022 23:55:33 +0000 (16:55 -0700)]
Vim plugin: allow using system black rather than virtualenv (#3309)
Provide a configuration parameter to the Vim plugin which will allow the
plugin to skip setting up a virtualenv. This is useful when there is a
system installation of black (e.g. from a Linux distribution) which the
user prefers to use.
Jelle Zijlstra [Wed, 26 Oct 2022 02:03:24 +0000 (19:03 -0700)]
Exclude pytest-xdist 3.0.2 (#3356)
We're getting warnings like https://github.com/psf/black/actions/runs/3325521041/jobs/5498291478 and I'm not sure how to fix them. I'll open an issue for a long-term solution, but for now avoid 3.0.2 to unbreak CI.
Add option to skip the first line of source code (#3299)
* Add option to skip the first line in source file
This commit adds a CLi option to skip the first line in the source
files, just like the Cpython command line allows [1]. By enabling the
flag, using `-x` or `--skip-source-first-line`, the first line is
removed temporarilly while the remaining contents are formatted. The
first line is added back before returning the formatted output.
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Add tests for `--skip-source-first-line` option
When the flag is disabled (default), black formats the entire source
file, as in every line. In the other hand, if the flag is enabled, by
using `-x` or `--skip-source-first-line`, the first line is retained
while the rest of the source is formatted and then is added back.
These tests use an empty Python file that contains invalid syntax in
its first line (`invalid_header.py`, at `miscellaneous/`). First,
Black is invoked without enabling the flag which should result in an
exit code different than 0. When the flag is enabled, Black is
expected to return a successful exit code and the header is expected
to be retained (even if its not valid Python syntax).
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Support skip source first line option for blackd
The recently added option can be added as an acceptable header for
blackd. The arguments are passed in such a way that using the new
header will activate the skip source first line behaviour as expected
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Add skip source first line option to blackd docs
The new option can be passed to blackd as a header. This commit
updates the blackd docs to include the new header.
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Update CHANGES.md
Include the new Black option to skip the first line of source code in
the configuration section
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Update skip first line test including valid syntax
Including valid Python syntax help us make sure that the file is still
actually valid after skipping the first line of the source file (which
contains invalid Python syntax)
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Skip first source line at `format_file_in_place`
Instead of skipping the first source line at `format_file_contents`,
do it before. This allow us to find the correct newline and encoding
on the actual source code (everything that's after the header).
This change is also applied at Blackd: take the header before passing
the source to `format_file_contents` and put the header back once we
get the formatted result.
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Test output newlines when skipping first line
When skipping the first line of source code, the reference newline must
be taken from the second line of the file instead of the first one, in
case that the file mixes more than one kind of newline character
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Test that Blackd also skips first line correctly
Simliarly to the Black tests, we first compare that Blackd fails when
the first line is invalid Python syntax and then check that the result
is the expected when tha flag is activated
Signed-off-by: Antonio Ossa Guerra <aaossa@uc.cl>
* Use the content encoding to decode the header
When decoding the header to put it back at the top of the contents of
the file, use the same encoding used in the content. This should be a
better "guess" that using the default value
Ray Bell [Sun, 2 Oct 2022 16:26:45 +0000 (12:26 -0400)]
Add .ipynb_checkpoints to DEFAULT_EXCLUDES (#3293)
Jupyter creates a checkpoint file every single time you create an .ipynb
file, and then it updates the checkpoint file every single time you
manually save your progress for the initial .ipynb. These checkpoints
are stored in a directory named `.ipynb_checkpoints`.
Add option to format Jupyter Notebooks in GitHub Action (#3282)
To run the formatter on Jupyter Notebooks, Black must be installed
with an extra dependency (`black[jupyter]`). This commit adds an
optional argument to install Black with this dependency when using the
official GitHub Action [1]. To enable the formatter on Jupyter
Notebooks, just add `jupyter: true` as an argument. Feature requested
at [2].
Ofek Lev [Sun, 25 Sep 2022 21:54:33 +0000 (14:54 -0700)]
Switch build backend to Hatchling (#3233)
This implements PEP 621, obviating the need for `setup.py`, `setup.cfg`,
and `MANIFEST.in`. The build backend Hatchling (of which I am a
maintainer in the PyPA) is now used as that is the default in the
official Python packaging tutorial. Hatchling is available on all the
major distribution channels such as Debian, Fedora, and many more.
## Python support
The earliest supported Python 3 version of Hatchling is 3.7, therefore
I've also set that as the minimum here. Python 3.6 is EOL and other
build backends like flit-core and setuptools also dropped support.
Python 3.6 accounted for 3-4% of downloads in the last month.
## Plugins
Configuration is now completely static with the help of 3 plugins:
### Readme
hynek's hatch-fancy-pypi-readme allows for the dynamic construction of
the readme which was previously coded up in `setup.py`. Now it's simply:
hatch-mypyc offers many benefits over the existing approach:
- No need to manually select files for inclusion
- Avoids the need for the current CI workaround for https://github.com/mypyc/mypyc/issues/946
- Intermediate artifacts (like `build/`) from setuptools and mypyc
itself no longer clutter the project directory
- Runtime dependencies required at build time no longer need to be
manually redeclared as this is a built-in option of Hatchling
Co-authored-by: Richard Si <63936253+ichard26@users.noreply.github.com> Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Fix a crash when `# fmt: on` is used on a different block level than `# fmt: off` (#3281)
Previously _Black_ produces invalid code because the `# fmt: on` is used on a different block level.
While _Black_ requires `# fmt: off` and `# fmt: on` to be used at the same block level, incorrect usage shouldn't cause crashes.
The formatting behavior this PR introduces is, the code below the initial `# fmt: off` block level will be turned off for formatting, when `# fmt: on` is used on a different level or there is no `# fmt: on`. This also matches the current behavior when `# fmt: off` is used at the top-level without a matching `# fmt: on`, it turns off formatting for everything below `# fmt: off`.
Tom Fryers [Thu, 15 Sep 2022 02:31:26 +0000 (03:31 +0100)]
Improve order of paragraphs on line splitting (#3270)
These two paragraphs were tucked away at the end of the section, after
the diversion on backslashes. I nearly missed the first paragraph and
opened a nonsense issue, and I think the second belongs higher up with
it too.
Fix a crash on dicts with paren-wrapped long string keys (#3262)
Fix a crash when formatting some dicts with parenthesis-wrapped long
string keys. When LL[0] is an atom string, we need to check the atom
node's siblings instead of LL[0] itself, e.g.:
dictsetmaker
atom
STRING '"This is a really long string that can\'t be expected to fit in one line and is used as a nested dict\'s key"'
/atom
COLON ':'
atom
LSQB ' ' '['
listmaker
STRING '"value"'
COMMA ','
STRING ' ' '"value"'
/listmaker
RSQB ']'
/atom
COMMA ','
/dictsetmaker
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