feat(yaml): autofix YAML files

.prettierignore

@@ -3,3 +3,6 @@ index.html
 _includes/*
 *.min.css
 README.md
+
+# Prettier uses double quotes, ruamel.yaml uses single quotes
+tests/test_yaml/*.yaml

.pylintrc

@@ -30,7 +30,7 @@ output-format=colorized
 # --disable=W"
 # Configurations for the black formatter
 disable=bad-continuation,bad-whitespace,
-    fixme,cyclic-import
+    fixme,cyclic-import,line-too-long
 
 [BASIC]
 

README.rst

@@ -109,6 +109,9 @@ Implemented
    * - `Any TOML file <https://nitpick.rtfd.io/en/latest/plugins.html#toml-files>`_
      - ✅
      - ✅
+   * - `Any YAML file (except .pre-commit-config.yaml) <https://nitpick.rtfd.io/en/latest/plugins.html#yaml-files>`_
+     - ✅
+     - ✅
    * - `.editorconfig <https://nitpick.rtfd.io/en/latest/examples.html#example-editorconfig>`_
      - ✅
      - ✅

docs/examples.rst

@@ -316,7 +316,8 @@ Contents of `resources/python/mypy.toml <https://github.com/andreoliwa/nitpick/b
 
     # Lint-style cleanliness for typing
     warn_redundant_casts = true
-    warn_unused_ignores = true
+    # False positives when running on local machine... it works on pre-commit.ci ¯\_(ツ)_/¯
+    warn_unused_ignores = false
 
     [[".pre-commit-config.yaml".repos]]
     yaml = """
@@ -368,7 +369,7 @@ Contents of `resources/python/pylint.toml <https://github.com/andreoliwa/nitpick
     #  comma_separated_values = ["MESSAGES CONTROL.disable"]
     #  This syntax will be deprecated anyway, so I won't make it work now
     # Configurations for the black formatter
-    #disable = "bad-continuation,bad-whitespace,fixme,cyclic-import"
+    #disable = "bad-continuation,bad-whitespace,fixme,cyclic-import,line-too-long"
 
     [".pylintrc".BASIC]
     # List of builtins function names that should not be used, separated by a comma

docs/generate_rst.py

@@ -151,6 +151,9 @@ def row(self) -> Tuple[str, str, str]:
     FileType("Any JSON file", f"{READ_THE_DOCS_URL}plugins.html#json-files", True, True),
     FileType("Any text file", f"{READ_THE_DOCS_URL}plugins.html#text-files", True, False),
     FileType("Any TOML file", f"{READ_THE_DOCS_URL}plugins.html#toml-files", True, True),
+    FileType(
+        f"Any YAML file (except {PRE_COMMIT_CONFIG_YAML})", f"{READ_THE_DOCS_URL}plugins.html#yaml-files", True, True
+    ),
     FileType(EDITOR_CONFIG, f"{READ_THE_DOCS_URL}examples.html#example-editorconfig", True, True),
     FileType(PRE_COMMIT_CONFIG_YAML, f"{READ_THE_DOCS_URL}plugins.html#pre-commit-config-yaml", True, 282),
     FileType(PYLINTRC, f"{READ_THE_DOCS_URL}plugins.html#ini-files", True, True),

docs/ideas/yaml/jmespath.toml

@@ -0,0 +1,39 @@
+# JMESPath as part of the section name, after the file name.
+# Everything after the file name is considered a JMESPath https://jmespath.org/
+# Format: ["path/to/file.ext".jmes.path.expression]
+# The values below were taken from .github/workflows/python.yaml in this repo
+
+# 1. Complex JMESPath expressions should be quoted
+# (I still don't know how to deal with JMESPath that matches multiple items)
+[[".github/workflows/python.yaml"."jobs.build.steps[].{name: name, uses: uses}"]]
+uses = "actions/checkout@v2"
+
+# 2. JMESPath expression that has double quotes, wrapped in single quotes for TOML
+[[".github/workflows/python.yaml".'jobs.build.strategy.matrix."python-version"']]
+name = "Set up Python ${{ matrix.python-version }}"
+uses = "actions/setup-python@v2"
+with = {"python-version" = "${{ matrix.python-version }}"}
+
+# 3. It allows Jinja tuning in https://github.com/andreoliwa/nitpick/issues/283
+name__jinja = "Set up Python ${{ matrix.python-version }}"
+name__no_jinja = "Set up Python ${{ matrix.python-version }}"
+name__jinja_off = "Set up Python ${{ matrix.python-version }}"
+
+# 4. "{{" and "}}" will conflict with Jinja https://github.com/andreoliwa/nitpick/issues/283
+# So we need a way to turn on/off Jinja templating.
+# Probably "false" will be the default, to keep compatibility.
+# Whoever wants to use Jinja will need to set "true" either here or as a global config on .nitpick.toml
+[".github/workflows/python.yaml".jobs.build]
+__jinja = false
+
+# 5. Another way to turn off Jinja for a specific key only, not the whole dict
+# (using the "__" syntax from Django filters, SQLAlchemy, factoryboy...)
+"runs-on__no_jinja" = "${{ matrix.os }}"
+
+# 6. Simplified API, having JMESPath as direct keys
+# Read the discussion: https://github.com/andreoliwa/nitpick/pull/353/files#r613816390
+[".github/workflows/jmespath-simple.yaml"]
+"jobs.build.strategy.matrix.os" = "foo"
+"jobs.build.steps" = ["bar"]
+"jobs.build.steps.regex" = "baz d+"
+"jobs.build.steps.contains" = "baz"

docs/plugins.rst

@@ -26,7 +26,7 @@ Style example: :ref:`the default pre-commit hooks <example-pre-commit-hooks>`.
 INI files
 ---------
 
-Enforce config on INI files.
+Enforce configurations and autofix INI files.
 
 Examples of ``.ini`` files handled by this plugin:
 
@@ -42,7 +42,7 @@ Style examples enforcing values on INI files: :ref:`flake8 configuration <exampl
 JSON files
 ----------
 
-Enforce configurations for any JSON file.
+Enforce configurations and autofix JSON files.
 
 Add the configurations for the file name you wish to check.
 Style example: :ref:`the default config for package.json <example-package-json>`.
@@ -69,7 +69,7 @@ To check if ``some.txt`` file contains the lines ``abc`` and ``def`` (in any ord
 TOML files
 ----------
 
-Enforce config on TOML files.
+Enforce configurations and autofix TOML files.
 
 E.g.: `pyproject.toml (PEP 518) <https://www.python.org/dev/peps/pep-0518/#file-format>`_.
 
@@ -78,3 +78,10 @@ See also `the [tool.poetry] section of the pyproject.toml file
 
 Style example: :ref:`Python 3.8 version constraint <example-python-3-8>`.
 There are :ref:`many other examples here <examples>`.
+
+.. _yamlplugin:
+
+YAML files
+----------
+
+Enforce configurations and autofix YAML files.

pyproject.toml

@@ -38,9 +38,10 @@ NIP = "nitpick.flake8:NitpickFlake8Extension"
 [tool.poetry.plugins.nitpick]
 text = "nitpick.plugins.text"
 json = "nitpick.plugins.json"
-pre_commit = "nitpick.plugins.pre_commit"
+pre_commit = "nitpick.plugins.pre_commit"  # TODO: remove this when removing the plugin class
 ini = "nitpick.plugins.ini"
 toml = "nitpick.plugins.toml"
+yaml = "nitpick.plugins.yaml"
 
 [tool.poetry.dependencies]
 python = "^3.6.1"

setup.cfg

@@ -31,7 +31,8 @@ follow_imports = normal
 strict_optional = True
 warn_no_return = True
 warn_redundant_casts = True
-warn_unused_ignores = True
+# False positives when running on local machine... it works on pre-commit.ci ¯\_(ツ)_/¯
+warn_unused_ignores = false
 exclude =
     src/nitpick/compat.py
 

src/nitpick/constants.py

@@ -56,7 +56,7 @@
 DOUBLE_QUOTE = '"'
 
 #: Special unique separator for :py:meth:`flatten()` and :py:meth:`unflatten()`,
-# to avoid collision with existing key values (e.g. the default dot separator "." can be part of a pyproject.toml key).
+# to avoid collision with existing key values (e.g. the default dot separator "." can be part of a TOML key).
 SEPARATOR_FLATTEN = "$#@"
 
 #: Special unique separator for :py:meth:`nitpick.generic.quoted_split()`.