From 7469a784f1c0fb26124c56760397169a099e41c3 Mon Sep 17 00:00:00 2001 From: foamyguy Date: Sat, 3 Aug 2024 11:21:24 -0500 Subject: [PATCH 1/8] use ruff. add optional different format types to png example --- .gitattributes | 5 + .pre-commit-config.yaml | 42 +- .pylintrc | 399 ------------------ README.rst | 6 +- adafruit_imageload/__init__.py | 18 +- adafruit_imageload/bmp/__init__.py | 11 +- adafruit_imageload/bmp/indexed.py | 22 +- adafruit_imageload/bmp/truecolor.py | 22 +- adafruit_imageload/displayio_types.py | 4 +- adafruit_imageload/gif.py | 32 +- adafruit_imageload/jpg.py | 3 +- adafruit_imageload/png.py | 24 +- adafruit_imageload/pnm/__init__.py | 26 +- adafruit_imageload/pnm/pbm_ascii.py | 5 +- adafruit_imageload/pnm/pbm_binary.py | 6 +- adafruit_imageload/pnm/pgm/__init__.py | 12 +- adafruit_imageload/pnm/pgm/ascii.py | 13 +- adafruit_imageload/pnm/pgm/binary.py | 13 +- adafruit_imageload/pnm/ppm_ascii.py | 12 +- adafruit_imageload/pnm/ppm_binary.py | 10 +- adafruit_imageload/tilegrid_inflator.py | 11 +- docs/conf.py | 8 +- examples/imageload_colorwheel.py | 1 + examples/imageload_from_web.py | 11 +- examples/imageload_jpg_simpletest.py | 1 + examples/imageload_magtag_simpletest.py | 3 + examples/imageload_netpbm.py | 7 +- examples/imageload_png_simpletest.py | 10 +- examples/imageload_simpletest.py | 1 + .../imageload_tilegrid_inflator_simpletest.py | 1 + examples/images/test_image_2bit.png.license | 2 + .../images/test_image_grayscale.png.license | 2 + examples/images/test_image_rgb.png.license | 2 + ruff.toml | 99 +++++ tests/displayio_shared_bindings.py | 26 +- tests/test_bitmap_c_interface.py | 12 +- tests/test_bmp_indexed_load.py | 6 +- tests/test_palette_c_interface.py | 18 +- tests/test_pbm_load.py | 13 +- tests/test_pgm_load.py | 3 + tests/test_ppm_load.py | 3 + 41 files changed, 308 insertions(+), 617 deletions(-) create mode 100644 .gitattributes delete mode 100644 .pylintrc create mode 100644 examples/images/test_image_2bit.png.license create mode 100644 examples/images/test_image_grayscale.png.license create mode 100644 examples/images/test_image_rgb.png.license create mode 100644 ruff.toml diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..d54c593 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,5 @@ +# SPDX-FileCopyrightText: 2024 Justin Myers for Adafruit Industries +# +# SPDX-License-Identifier: Unlicense + +* text eol=lf diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 70ade69..f27b786 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -1,42 +1,22 @@ # SPDX-FileCopyrightText: 2020 Diego Elio Pettenò +# SPDX-FileCopyrightText: 2024 Justin Myers # # SPDX-License-Identifier: Unlicense repos: - - repo: https://github.com/python/black - rev: 23.3.0 - hooks: - - id: black - - repo: https://github.com/fsfe/reuse-tool - rev: v1.1.2 - hooks: - - id: reuse - repo: https://github.com/pre-commit/pre-commit-hooks - rev: v4.4.0 + rev: v4.5.0 hooks: - id: check-yaml - id: end-of-file-fixer - id: trailing-whitespace - - repo: https://github.com/pycqa/pylint - rev: v2.17.4 + - repo: https://github.com/astral-sh/ruff-pre-commit + rev: v0.3.4 hooks: - - id: pylint - name: pylint (library code) - types: [python] - args: - - --disable=consider-using-f-string - exclude: "^(docs/|examples/|tests/|setup.py$)" - - id: pylint - name: pylint (example code) - description: Run pylint rules on "examples/*.py" files - types: [python] - files: "^examples/" - args: - - --disable=missing-docstring,invalid-name,consider-using-f-string,duplicate-code - - id: pylint - name: pylint (test code) - description: Run pylint rules on "tests/*.py" files - types: [python] - files: "^tests/" - args: - - --disable=missing-docstring,consider-using-f-string,duplicate-code + - id: ruff-format + - id: ruff + args: ["--fix"] + - repo: https://github.com/fsfe/reuse-tool + rev: v3.0.1 + hooks: + - id: reuse diff --git a/.pylintrc b/.pylintrc deleted file mode 100644 index f945e92..0000000 --- a/.pylintrc +++ /dev/null @@ -1,399 +0,0 @@ -# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries -# -# SPDX-License-Identifier: Unlicense - -[MASTER] - -# A comma-separated list of package or module names from where C extensions may -# be loaded. Extensions are loading into the active Python interpreter and may -# run arbitrary code -extension-pkg-whitelist= - -# Add files or directories to the ignore-list. They should be base names, not -# paths. -ignore=CVS - -# Add files or directories matching the regex patterns to the ignore-list. The -# regex matches against base names, not paths. -ignore-patterns= - -# Python code to execute, usually for sys.path manipulation such as -# pygtk.require(). -#init-hook= - -# Use multiple processes to speed up Pylint. -jobs=1 - -# List of plugins (as comma separated values of python modules names) to load, -# usually to register additional checkers. -load-plugins=pylint.extensions.no_self_use - -# Pickle collected data for later comparisons. -persistent=yes - -# Specify a configuration file. -#rcfile= - -# Allow loading of arbitrary C extensions. Extensions are imported into the -# active Python interpreter and may run arbitrary code. -unsafe-load-any-extension=no - - -[MESSAGES CONTROL] - -# Only show warnings with the listed confidence levels. Leave empty to show -# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED -confidence= - -# Disable the message, report, category or checker with the given id(s). You -# can either give multiple identifiers separated by comma (,) or put this -# option multiple times (only on the command line, not in the configuration -# file where it should appear only once).You can also use "--disable=all" to -# disable everything first and then reenable specific checks. For example, if -# you want to run only the similarities checker, you can use "--disable=all -# --enable=similarities". If you want to run only the classes checker, but have -# no Warning level messages displayed, use"--disable=all --enable=classes -# --disable=W" -# disable=import-error,raw-checker-failed,bad-inline-option,locally-disabled,file-ignored,suppressed-message,useless-suppression,deprecated-pragma,deprecated-str-translate-call -disable=raw-checker-failed,bad-inline-option,locally-disabled,file-ignored,suppressed-message,useless-suppression,deprecated-pragma,import-error,pointless-string-statement,unspecified-encoding - -# Enable the message, report, category or checker with the given id(s). You can -# either give multiple identifier separated by comma (,) or put this option -# multiple time (only on the command line, not in the configuration file where -# it should appear only once). See also the "--disable" option for examples. -enable= - - -[REPORTS] - -# Python expression which should return a note less than 10 (10 is the highest -# note). You have access to the variables errors warning, statement which -# respectively contain the number of errors / warnings messages and the total -# number of statements analyzed. This is used by the global evaluation report -# (RP0004). -evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10) - -# Template used to display messages. This is a python new-style format string -# used to format the message information. See doc for all details -#msg-template= - -# Set the output format. Available formats are text, parseable, colorized, json -# and msvs (visual studio).You can also give a reporter class, eg -# mypackage.mymodule.MyReporterClass. -output-format=text - -# Tells whether to display a full report or only the messages -reports=no - -# Activate the evaluation score. -score=yes - - -[REFACTORING] - -# Maximum number of nested blocks for function / method body -max-nested-blocks=5 - - -[LOGGING] - -# Logging modules to check that the string format arguments are in logging -# function parameter format -logging-modules=logging - - -[SPELLING] - -# Spelling dictionary name. Available dictionaries: none. To make it working -# install python-enchant package. -spelling-dict= - -# List of comma separated words that should not be checked. -spelling-ignore-words= - -# A path to a file that contains private dictionary; one word per line. -spelling-private-dict-file= - -# Tells whether to store unknown words to indicated private dictionary in -# --spelling-private-dict-file option instead of raising a message. -spelling-store-unknown-words=no - - -[MISCELLANEOUS] - -# List of note tags to take in consideration, separated by a comma. -# notes=FIXME,XXX,TODO -notes=FIXME,XXX - - -[TYPECHECK] - -# List of decorators that produce context managers, such as -# contextlib.contextmanager. Add to this list to register other decorators that -# produce valid context managers. -contextmanager-decorators=contextlib.contextmanager - -# List of members which are set dynamically and missed by pylint inference -# system, and so shouldn't trigger E1101 when accessed. Python regular -# expressions are accepted. -generated-members= - -# Tells whether missing members accessed in mixin class should be ignored. A -# mixin class is detected if its name ends with "mixin" (case insensitive). -ignore-mixin-members=yes - -# This flag controls whether pylint should warn about no-member and similar -# checks whenever an opaque object is returned when inferring. The inference -# can return multiple potential results while evaluating a Python object, but -# some branches might not be evaluated, which results in partial inference. In -# that case, it might be useful to still emit no-member and other checks for -# the rest of the inferred objects. -ignore-on-opaque-inference=yes - -# List of class names for which member attributes should not be checked (useful -# for classes with dynamically set attributes). This supports the use of -# qualified names. -ignored-classes=optparse.Values,thread._local,_thread._local - -# List of module names for which member attributes should not be checked -# (useful for modules/projects where namespaces are manipulated during runtime -# and thus existing member attributes cannot be deduced by static analysis. It -# supports qualified module names, as well as Unix pattern matching. -ignored-modules=board - -# Show a hint with possible names when a member name was not found. The aspect -# of finding the hint is based on edit distance. -missing-member-hint=yes - -# The minimum edit distance a name should have in order to be considered a -# similar match for a missing member name. -missing-member-hint-distance=1 - -# The total number of similar names that should be taken in consideration when -# showing a hint for a missing member. -missing-member-max-choices=1 - - -[VARIABLES] - -# List of additional names supposed to be defined in builtins. Remember that -# you should avoid to define new builtins when possible. -additional-builtins= - -# Tells whether unused global variables should be treated as a violation. -allow-global-unused-variables=yes - -# List of strings which can identify a callback function by name. A callback -# name must start or end with one of those strings. -callbacks=cb_,_cb - -# A regular expression matching the name of dummy variables (i.e. expectedly -# not used). -dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_ - -# Argument names that match this expression will be ignored. Default to name -# with leading underscore -ignored-argument-names=_.*|^ignored_|^unused_ - -# Tells whether we should check for unused import in __init__ files. -init-import=no - -# List of qualified module names which can have objects that can redefine -# builtins. -redefining-builtins-modules=six.moves,future.builtins - - -[FORMAT] - -# Expected format of line ending, e.g. empty (any line ending), LF or CRLF. -# expected-line-ending-format= -expected-line-ending-format=LF - -# Regexp for a line that is allowed to be longer than the limit. -ignore-long-lines=^\s*(# )??$ - -# Number of spaces of indent required inside a hanging or continued line. -indent-after-paren=4 - -# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1 -# tab). -indent-string=' ' - -# Maximum number of characters on a single line. -max-line-length=100 - -# Maximum number of lines in a module -max-module-lines=1000 - -# Allow the body of a class to be on the same line as the declaration if body -# contains single statement. -single-line-class-stmt=no - -# Allow the body of an if to be on the same line as the test if there is no -# else. -single-line-if-stmt=no - - -[SIMILARITIES] - -# Ignore comments when computing similarities. -ignore-comments=yes - -# Ignore docstrings when computing similarities. -ignore-docstrings=yes - -# Ignore imports when computing similarities. -ignore-imports=yes - -# Minimum lines number of a similarity. -min-similarity-lines=12 - - -[BASIC] - -# Regular expression matching correct argument names -argument-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$ - -# Regular expression matching correct attribute names -attr-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$ - -# Bad variable names which should always be refused, separated by a comma -bad-names=foo,bar,baz,toto,tutu,tata - -# Regular expression matching correct class attribute names -class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$ - -# Regular expression matching correct class names -# class-rgx=[A-Z_][a-zA-Z0-9]+$ -class-rgx=[A-Z_][a-zA-Z0-9_]+$ - -# Regular expression matching correct constant names -const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$ - -# Minimum line length for functions/classes that require docstrings, shorter -# ones are exempt. -docstring-min-length=-1 - -# Regular expression matching correct function names -function-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$ - -# Good variable names which should always be accepted, separated by a comma -# good-names=i,j,k,ex,Run,_ -good-names=r,g,b,w,i,j,k,n,x,y,z,ex,ok,Run,_ - -# Include a hint for the correct naming format with invalid-name -include-naming-hint=no - -# Regular expression matching correct inline iteration names -inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$ - -# Regular expression matching correct method names -method-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$ - -# Regular expression matching correct module names -module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$ - -# Colon-delimited sets of names that determine each other's naming style when -# the name regexes allow several styles. -name-group= - -# Regular expression which should only match function or class names that do -# not require a docstring. -no-docstring-rgx=^_ - -# List of decorators that produce properties, such as abc.abstractproperty. Add -# to this list to register other decorators that produce valid properties. -property-classes=abc.abstractproperty - -# Regular expression matching correct variable names -variable-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$ - - -[IMPORTS] - -# Allow wildcard imports from modules that define __all__. -allow-wildcard-with-all=no - -# Analyse import fallback blocks. This can be used to support both Python 2 and -# 3 compatible code, which means that the block might have code that exists -# only in one or another interpreter, leading to false positives when analysed. -analyse-fallback-blocks=no - -# Deprecated modules which should not be used, separated by a comma -deprecated-modules=optparse,tkinter.tix - -# Create a graph of external dependencies in the given file (report RP0402 must -# not be disabled) -ext-import-graph= - -# Create a graph of every (i.e. internal and external) dependencies in the -# given file (report RP0402 must not be disabled) -import-graph= - -# Create a graph of internal dependencies in the given file (report RP0402 must -# not be disabled) -int-import-graph= - -# Force import order to recognize a module as part of the standard -# compatibility libraries. -known-standard-library= - -# Force import order to recognize a module as part of a third party library. -known-third-party=enchant - - -[CLASSES] - -# List of method names used to declare (i.e. assign) instance attributes. -defining-attr-methods=__init__,__new__,setUp - -# List of member names, which should be excluded from the protected access -# warning. -exclude-protected=_asdict,_fields,_replace,_source,_make - -# List of valid names for the first argument in a class method. -valid-classmethod-first-arg=cls - -# List of valid names for the first argument in a metaclass class method. -valid-metaclass-classmethod-first-arg=mcs - - -[DESIGN] - -# Maximum number of arguments for function / method -max-args=5 - -# Maximum number of attributes for a class (see R0902). -# max-attributes=7 -max-attributes=11 - -# Maximum number of boolean expressions in a if statement -max-bool-expr=5 - -# Maximum number of branch for function / method body -max-branches=12 - -# Maximum number of locals for function / method body -max-locals=15 - -# Maximum number of parents for a class (see R0901). -max-parents=7 - -# Maximum number of public methods for a class (see R0904). -max-public-methods=20 - -# Maximum number of return / yield for function / method body -max-returns=6 - -# Maximum number of statements in function / method body -max-statements=50 - -# Minimum number of public methods for a class (see R0903). -min-public-methods=1 - - -[EXCEPTIONS] - -# Exceptions that will emit a warning when being caught. Defaults to -# "Exception" -overgeneral-exceptions=builtins.Exception diff --git a/README.rst b/README.rst index 8d7124a..c698f93 100644 --- a/README.rst +++ b/README.rst @@ -13,9 +13,9 @@ Introduction :target: https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad/actions/ :alt: Build Status -.. image:: https://img.shields.io/badge/code%20style-black-000000.svg - :target: https://github.com/psf/black - :alt: Code Style: Black +.. image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json + :target: https://github.com/astral-sh/ruff + :alt: Code Style: Ruff This library decodes an image file into new bitmap and palette objects of the provided type. It's designed to load code needed during decoding as needed. This is meant to minimize the memory diff --git a/adafruit_imageload/__init__.py b/adafruit_imageload/__init__.py index 3f632a6..bf7d3e2 100644 --- a/adafruit_imageload/__init__.py +++ b/adafruit_imageload/__init__.py @@ -12,20 +12,21 @@ * Author(s): Scott Shawcroft, Matt Land """ -# pylint: disable=import-outside-toplevel try: + from io import BufferedReader from typing import ( - Tuple, + Iterable, Iterator, - Optional, List, - Iterable, + Optional, + Tuple, Union, ) - from io import BufferedReader - from displayio import Palette, Bitmap - from .displayio_types import PaletteConstructor, BitmapConstructor + + from displayio import Bitmap, Palette + + from .displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -37,7 +38,7 @@ def load( file_or_filename: Union[str, BufferedReader], *, bitmap: Optional[BitmapConstructor] = None, - palette: Optional[PaletteConstructor] = None + palette: Optional[PaletteConstructor] = None, ) -> Tuple[Bitmap, Optional[Palette]]: """Load pixel values (indices or colors) into a bitmap and colors into a palette. @@ -47,7 +48,6 @@ def load( palette is the desired palette type. The constructor should take the number of colors and support assignment to indices via []. """ - # pylint: disable=too-many-branches if not bitmap or not palette: try: # use displayio if available diff --git a/adafruit_imageload/bmp/__init__.py b/adafruit_imageload/bmp/__init__.py index 56d9b7c..d7b9801 100755 --- a/adafruit_imageload/bmp/__init__.py +++ b/adafruit_imageload/bmp/__init__.py @@ -12,13 +12,14 @@ * Author(s): Scott Shawcroft, Matt Land """ -# pylint: disable=import-outside-toplevel try: - from typing import Tuple, Optional, Set, List from io import BufferedReader - from displayio import Palette, Bitmap - from ..displayio_types import PaletteConstructor, BitmapConstructor + from typing import List, Optional, Set, Tuple + + from displayio import Bitmap, Palette + + from ..displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -30,7 +31,7 @@ def load( file: BufferedReader, *, bitmap: Optional[BitmapConstructor] = None, - palette: Optional[PaletteConstructor] = None + palette: Optional[PaletteConstructor] = None, ) -> Tuple[Optional[Bitmap], Optional[Palette]]: """Loads a bmp image from the open ``file``. diff --git a/adafruit_imageload/bmp/indexed.py b/adafruit_imageload/bmp/indexed.py index 134b9b3..8168921 100755 --- a/adafruit_imageload/bmp/indexed.py +++ b/adafruit_imageload/bmp/indexed.py @@ -13,28 +13,29 @@ """ - import sys try: - from typing import Tuple, Optional from io import BufferedReader - from displayio import Palette, Bitmap - from ..displayio_types import PaletteConstructor, BitmapConstructor + from typing import Optional, Tuple + + from displayio import Bitmap, Palette + + from ..displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass try: from bitmaptools import readinto as _bitmap_readinto except ImportError: - _bitmap_readinto = None # pylint: disable=invalid-name # type: Callable + _bitmap_readinto = None __version__ = "0.0.0+auto.0" __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad.git" -def load( +def load( # noqa: PLR0913, PLR0912, Too many arguments in function definition, Too many branches file: BufferedReader, width: int, height: int, @@ -58,7 +59,6 @@ def load( :param BitmapConstructor bitmap: a function that returns a displayio.Bitmap :param PaletteConstructor palette: a function that returns a displayio.Palette """ - # pylint: disable=too-many-arguments,too-many-locals,too-many-branches palette_obj = None if palette: palette_obj = palette(colors) @@ -78,7 +78,6 @@ def load( minimum_color_depth *= 2 if sys.maxsize > 1073741823: - # pylint: disable=import-outside-toplevel, relative-beyond-top-level from .negative_height_check import negative_height_check # convert unsigned int to signed int when height is negative @@ -121,9 +120,7 @@ def load( for x in range(width): i = x // pixels_per_byte - pixel = ( - chunk[i] >> (8 - color_depth * (x % pixels_per_byte + 1)) - ) & mask + pixel = (chunk[i] >> (8 - color_depth * (x % pixels_per_byte + 1))) & mask bitmap_obj[offset + x] = pixel elif compression in (1, 2): decode_rle( @@ -137,7 +134,7 @@ def load( return bitmap_obj, palette_obj -def decode_rle( +def decode_rle( # noqa: PLR0912 Too many branches bitmap: Bitmap, file: BufferedReader, compression: int, @@ -145,7 +142,6 @@ def decode_rle( width: int, ) -> None: """Helper to decode RLE images""" - # pylint: disable=too-many-locals,too-many-nested-blocks,too-many-branches # RLE algorithm, either 8-bit (1) or 4-bit (2) # diff --git a/adafruit_imageload/bmp/truecolor.py b/adafruit_imageload/bmp/truecolor.py index b1b0889..1e6dccd 100755 --- a/adafruit_imageload/bmp/truecolor.py +++ b/adafruit_imageload/bmp/truecolor.py @@ -16,13 +16,14 @@ import sys try: - from typing import Union, Optional, Tuple from io import BufferedReader + from typing import Optional, Tuple, Union + from ..displayio_types import BitmapConstructor except ImportError: pass -from displayio import ColorConverter, Colorspace, Bitmap +from displayio import Bitmap, ColorConverter, Colorspace __version__ = "0.0.0+auto.0" __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad.git" @@ -52,7 +53,7 @@ def bitfield_format(bitfield_mask): return None -def load( +def load( # noqa: PLR0912, PLR0913, Too many branches, Too many arguments in function definition file: BufferedReader, width: int, height: int, @@ -73,7 +74,6 @@ def load( :param dict bitfield_masks: The bitfield masks for each color if using bitfield compression :param BitmapConstructor bitmap: a function that returns a displayio.Bitmap """ - # pylint: disable=too-many-arguments,too-many-locals,too-many-branches converter_obj = None bitmap_obj = None if bitmap: @@ -90,7 +90,6 @@ def load( input_colorspace = Colorspace.RGB555 converter_obj = ColorConverter(input_colorspace=input_colorspace) if sys.maxsize > 1073741823: - # pylint: disable=import-outside-toplevel, relative-beyond-top-level from .negative_height_check import negative_height_check # convert unsigned int to signed int when height is negative @@ -119,19 +118,14 @@ def load( color = 0 for byte in range(bytes_per_pixel): color |= chunk[i + byte] << (8 * byte) - mask = ( - bitfield_masks["red"] - | bitfield_masks["green"] - | bitfield_masks["blue"] - ) + mask = bitfield_masks["red"] | bitfield_masks["green"] | bitfield_masks["blue"] if color_depth in (24, 32): mask = mask >> 8 pixel = color & mask + elif color_depth == 16: + pixel = chunk[i] | chunk[i + 1] << 8 else: - if color_depth == 16: - pixel = chunk[i] | chunk[i + 1] << 8 - else: - pixel = chunk[i + 2] << 16 | chunk[i + 1] << 8 | chunk[i] + pixel = chunk[i + 2] << 16 | chunk[i + 1] << 8 | chunk[i] bitmap_obj[offset + x] = converter_obj.convert(pixel) return bitmap_obj, ColorConverter(input_colorspace=Colorspace.RGB565) diff --git a/adafruit_imageload/displayio_types.py b/adafruit_imageload/displayio_types.py index c46006a..f2adcc7 100644 --- a/adafruit_imageload/displayio_types.py +++ b/adafruit_imageload/displayio_types.py @@ -13,9 +13,11 @@ * Author(s): Matt Land """ + try: from typing import Callable - from displayio import Palette, Bitmap + + from displayio import Bitmap, Palette PaletteConstructor = Callable[[int], Palette] BitmapConstructor = Callable[[int, int, int], Bitmap] diff --git a/adafruit_imageload/gif.py b/adafruit_imageload/gif.py index f1a05e4..e5183c1 100644 --- a/adafruit_imageload/gif.py +++ b/adafruit_imageload/gif.py @@ -17,10 +17,12 @@ import struct try: - from typing import Tuple, Iterator, Optional, List from io import BufferedReader - from displayio import Palette, Bitmap - from .displayio_types import PaletteConstructor, BitmapConstructor + from typing import Iterator, List, Optional, Tuple + + from displayio import Bitmap, Palette + + from .displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -29,10 +31,7 @@ def load( - file: BufferedReader, - *, - bitmap: BitmapConstructor, - palette: Optional[PaletteConstructor] = None + file: BufferedReader, *, bitmap: BitmapConstructor, palette: Optional[PaletteConstructor] = None ) -> Tuple[Bitmap, Optional[Palette]]: """Loads a GIF image from the open ``file``. @@ -47,9 +46,7 @@ def load( header = file.read(6) if header not in {b"GIF87a", b"GIF89a"}: raise ValueError("Not a GIF file") - width, height, flags, _, _ = struct.unpack( # pylint: disable=no-member - " None: """Read a single frame and apply it to the bitmap.""" - ddx, ddy, width, _, flags = struct.unpack( # pylint: disable=no-member - " bytes: value = self.last + self.last[0:1] if self.last: self.codes.append(self.last + value[0:1]) - if ( - len(self.codes) + self.end_code + 1 >= 1 << self.code_len - and self.code_len < 12 - ): + if len(self.codes) + self.end_code + 1 >= 1 << self.code_len and self.code_len < 12: self.code_len += 1 self.last = value return value @@ -159,7 +151,7 @@ def lzw_decode(data: Iterator[int], code_size: int) -> Iterator[bytes]: dictionary = LZWDict(code_size) bit = 0 try: - byte = next(data) # pylint: disable=stop-iteration-return + byte = next(data) try: while True: code = 0 @@ -168,10 +160,10 @@ def lzw_decode(data: Iterator[int], code_size: int) -> Iterator[bytes]: bit += 1 if bit >= 8: bit = 0 - byte = next(data) # pylint: disable=stop-iteration-return + byte = next(data) yield dictionary.decode(code) except EndOfData: while True: - next(data) # pylint: disable=stop-iteration-return + next(data) except StopIteration: pass diff --git a/adafruit_imageload/jpg.py b/adafruit_imageload/jpg.py index 9af3d60..ad5174c 100644 --- a/adafruit_imageload/jpg.py +++ b/adafruit_imageload/jpg.py @@ -21,7 +21,8 @@ try: from io import BufferedReader - from typing import Tuple, Optional + from typing import Optional, Tuple + from .displayio_types import BitmapConstructor except ImportError: pass diff --git a/adafruit_imageload/png.py b/adafruit_imageload/png.py index 404d503..84867b9 100644 --- a/adafruit_imageload/png.py +++ b/adafruit_imageload/png.py @@ -18,8 +18,10 @@ try: from io import BufferedReader from typing import Optional, Tuple - from displayio import Palette, Bitmap - from .displayio_types import PaletteConstructor, BitmapConstructor + + from displayio import Bitmap, Palette + + from .displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -30,11 +32,8 @@ __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad.git" -def load( - file: BufferedReader, - *, - bitmap: BitmapConstructor, - palette: Optional[PaletteConstructor] = None +def load( # noqa: PLR0912, PLR0915, Too many branches, Too many statements + file: BufferedReader, *, bitmap: BitmapConstructor, palette: Optional[PaletteConstructor] = None ) -> Tuple[Bitmap, Optional[Palette]]: """ Loads a PNG image from the open ``file``. @@ -49,7 +48,6 @@ def load( :param object palette: Type to store the palette. Must have API similar to `displayio.Palette`. Will be skipped if None. """ - # pylint: disable=too-many-locals, too-many-branches, consider-using-enumerate, too-many-statements, import-outside-toplevel, invalid-name header = file.read(8) if header != b"\x89PNG\r\n\x1a\n": raise ValueError("Not a PNG file") @@ -119,9 +117,9 @@ def load( for x in range(0, width, pixels_per_byte): byte = data_bytes[src] for pixel in range(pixels_per_byte): - bmp[x + pixel, y] = ( - byte >> ((pixels_per_byte - pixel - 1) * depth) - ) & ((1 << depth) - 1) + bmp[x + pixel, y] = (byte >> ((pixels_per_byte - pixel - 1) * depth)) & ( + (1 << depth) - 1 + ) src += 1 else: mem[dst : dst + scanline] = data_bytes[src : src + scanline] @@ -184,9 +182,7 @@ def load( elif mode in {2, 6}: # rgb for x in range(width): bmp[x, y] = pal.convert( - (line[x * unit + 0] << 16) - | (line[x * unit + 1] << 8) - | line[x * unit + 2] + (line[x * unit + 0] << 16) | (line[x * unit + 1] << 8) | line[x * unit + 2] ) else: raise ValueError("Unsupported color mode.") diff --git a/adafruit_imageload/pnm/__init__.py b/adafruit_imageload/pnm/__init__.py index 66b731d..7a18aeb 100644 --- a/adafruit_imageload/pnm/__init__.py +++ b/adafruit_imageload/pnm/__init__.py @@ -14,21 +14,22 @@ * Author(s): Matt Land, Brooke Storm, Sam McGahan """ -# pylint: disable=import-outside-toplevel try: + from io import BufferedReader from typing import ( - Tuple, + Callable, + Iterable, Iterator, - Optional, List, - Iterable, + Optional, + Tuple, Union, - Callable, ) - from io import BufferedReader - from displayio import Palette, Bitmap - from ..displayio_types import PaletteConstructor, BitmapConstructor + + from displayio import Bitmap, Palette + + from ..displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -36,12 +37,12 @@ __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad.git" -def load( +def load( # noqa: PLR0912 Too many branches file: BufferedReader, header: bytes, *, bitmap: Optional[BitmapConstructor] = None, - palette: Optional[PaletteConstructor] = None + palette: Optional[PaletteConstructor] = None, ) -> Tuple[Optional[Bitmap], Optional[Palette]]: """ Scan for netpbm format info, skip over comments, and delegate to a submodule @@ -50,7 +51,6 @@ def load( All other formats have three: width, height, and max color value. This load function will move the file stream pointer to the start of data in all cases. """ - # pylint: disable=too-many-branches magic_number = header[:2] file.seek(2) pnm_header = [] # type: List[int] @@ -100,7 +100,7 @@ def load( palette_obj = None if palette: palette_obj = palette(1) - palette_obj[0] = b"\xFF\xFF\xFF" + palette_obj[0] = b"\xff\xff\xff" if magic_number.startswith(b"P1"): from . import pbm_ascii @@ -124,7 +124,7 @@ def load( next_byte = file.read(1) if next_byte == b"": - raise RuntimeError("Unsupported image format {!r}".format(magic_number)) + raise RuntimeError(f"Unsupported image format {magic_number!r}") if next_byte == b"#": # comment found, seek until a newline or EOF is found while file.read(1) not in [b"", b"\n"]: # EOF or NL pass diff --git a/adafruit_imageload/pnm/pbm_ascii.py b/adafruit_imageload/pnm/pbm_ascii.py index 0122132..872846c 100644 --- a/adafruit_imageload/pnm/pbm_ascii.py +++ b/adafruit_imageload/pnm/pbm_ascii.py @@ -17,9 +17,10 @@ """ try: - from typing import Tuple, Optional from io import BufferedReader - from displayio import Palette, Bitmap + from typing import Optional, Tuple + + from displayio import Bitmap, Palette except ImportError: pass diff --git a/adafruit_imageload/pnm/pbm_binary.py b/adafruit_imageload/pnm/pbm_binary.py index 263cb2c..cecdba5 100644 --- a/adafruit_imageload/pnm/pbm_binary.py +++ b/adafruit_imageload/pnm/pbm_binary.py @@ -15,10 +15,12 @@ * Author(s): Matt Land, Brooke Storm, Sam McGahan """ + try: - from typing import Tuple, Optional, Iterator from io import BufferedReader - from displayio import Palette, Bitmap + from typing import Iterator, Optional, Tuple + + from displayio import Bitmap, Palette except ImportError: pass diff --git a/adafruit_imageload/pnm/pgm/__init__.py b/adafruit_imageload/pnm/pgm/__init__.py index 3ed43f7..8acefb5 100644 --- a/adafruit_imageload/pnm/pgm/__init__.py +++ b/adafruit_imageload/pnm/pgm/__init__.py @@ -14,12 +14,14 @@ * Author(s): Matt Land, Brooke Storm, Sam McGahan """ -# pylint: disable=import-outside-toplevel + try: - from typing import Tuple, Optional, Set, List from io import BufferedReader - from displayio import Palette, Bitmap - from ...displayio_types import PaletteConstructor, BitmapConstructor + from typing import List, Optional, Set, Tuple + + from displayio import Bitmap, Palette + + from ...displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -30,7 +32,7 @@ def load( header: List[int], *, bitmap: Optional[BitmapConstructor] = None, - palette: Optional[PaletteConstructor] = None + palette: Optional[PaletteConstructor] = None, ) -> Tuple[Optional[Bitmap], Optional[Palette]]: """ Perform the load of Netpbm greyscale images (P2, P5) diff --git a/adafruit_imageload/pnm/pgm/ascii.py b/adafruit_imageload/pnm/pgm/ascii.py index 097665f..7c597ca 100644 --- a/adafruit_imageload/pnm/pgm/ascii.py +++ b/adafruit_imageload/pnm/pgm/ascii.py @@ -14,11 +14,14 @@ * Author(s): Matt Land, Brooke Storm, Sam McGahan """ + try: - from typing import Tuple, Set, Optional from io import BufferedReader - from displayio import Palette, Bitmap - from ...displayio_types import PaletteConstructor, BitmapConstructor + from typing import Optional, Set, Tuple + + from displayio import Bitmap, Palette + + from ...displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -66,9 +69,7 @@ def load( return bitmap_obj, palette_obj -def build_palette( - palette_class: PaletteConstructor, palette_colors: Set[int] -) -> Palette: # pylint: disable=duplicate-code +def build_palette(palette_class: PaletteConstructor, palette_colors: Set[int]) -> Palette: """ construct the Palette, and populate it with the set of palette_colors """ diff --git a/adafruit_imageload/pnm/pgm/binary.py b/adafruit_imageload/pnm/pgm/binary.py index 7e8c56b..700b563 100644 --- a/adafruit_imageload/pnm/pgm/binary.py +++ b/adafruit_imageload/pnm/pgm/binary.py @@ -14,11 +14,14 @@ * Author(s): Matt Land, Brooke Storm, Sam McGahan """ + try: - from typing import Tuple, Optional, Set from io import BufferedReader - from displayio import Palette, Bitmap - from ...displayio_types import PaletteConstructor, BitmapConstructor + from typing import Optional, Set, Tuple + + from displayio import Bitmap, Palette + + from ...displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -54,9 +57,7 @@ def load( return bitmap_obj, palette_obj -def build_palette( - palette_class: PaletteConstructor, palette_colors: Set[int] -) -> Palette: +def build_palette(palette_class: PaletteConstructor, palette_colors: Set[int]) -> Palette: """ construct the Palette, and populate it with the set of palette_colors """ diff --git a/adafruit_imageload/pnm/ppm_ascii.py b/adafruit_imageload/pnm/ppm_ascii.py index f6bb88b..e79b70b 100644 --- a/adafruit_imageload/pnm/ppm_ascii.py +++ b/adafruit_imageload/pnm/ppm_ascii.py @@ -20,16 +20,18 @@ __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad.git" try: + from io import BufferedReader from typing import ( - Tuple, Iterator, - Optional, List, + Optional, Set, + Tuple, ) - from io import BufferedReader - from displayio import Palette, Bitmap - from ..displayio_types import PaletteConstructor, BitmapConstructor + + from displayio import Bitmap, Palette + + from ..displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass diff --git a/adafruit_imageload/pnm/ppm_binary.py b/adafruit_imageload/pnm/ppm_binary.py index b726dc4..56540d3 100644 --- a/adafruit_imageload/pnm/ppm_binary.py +++ b/adafruit_imageload/pnm/ppm_binary.py @@ -15,11 +15,14 @@ * Author(s): Matt Land, Brooke Storm, Sam McGahan """ + try: - from typing import Tuple, Optional, Set from io import BufferedReader - from displayio import Palette, Bitmap - from ..displayio_types import PaletteConstructor, BitmapConstructor + from typing import Optional, Set, Tuple + + from displayio import Bitmap, Palette + + from ..displayio_types import BitmapConstructor, PaletteConstructor except ImportError: pass @@ -38,7 +41,6 @@ def load( Load pixel values (indices or colors) into a bitmap and for a binary ppm, return None for pallet. """ - # pylint: disable=too-many-locals data_start = file.tell() palette_colors = set() # type: Set[Tuple[int, int, int]] diff --git a/adafruit_imageload/tilegrid_inflator.py b/adafruit_imageload/tilegrid_inflator.py index db6c65f..89a3458 100644 --- a/adafruit_imageload/tilegrid_inflator.py +++ b/adafruit_imageload/tilegrid_inflator.py @@ -13,12 +13,15 @@ * Author(s): Tim Cocks, Matt Land """ + import displayio + import adafruit_imageload try: - from typing import Tuple, Optional, List, Union - from displayio import Palette, Bitmap, OnDiskBitmap, TileGrid + from typing import List, Optional, Tuple, Union + + from displayio import Bitmap, OnDiskBitmap, Palette, TileGrid except ImportError: pass @@ -26,7 +29,7 @@ __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad.git" -def inflate_tilegrid( +def inflate_tilegrid( # noqa: PLR0913, PLR0912, Too many arguments in function definition, Too many branches bmp_path: Optional[str] = None, target_size: Tuple[int, int] = (3, 3), tile_size: Optional[List[int]] = None, @@ -48,8 +51,6 @@ def inflate_tilegrid( :param Optional[Palette] bmp_palette: Already loaded spritesheet Palette """ - # pylint: disable=too-many-arguments, too-many-locals, too-many-branches - if bmp_path is None and (bmp_obj is None and bmp_palette is None): raise AttributeError("Must pass either bmp_path or bmp_obj and bmp_palette") diff --git a/docs/conf.py b/docs/conf.py index 86f66b4..7e8361c 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -1,12 +1,10 @@ -# -*- coding: utf-8 -*- - # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries # # SPDX-License-Identifier: MIT +import datetime import os import sys -import datetime sys.path.insert(0, os.path.abspath("..")) @@ -48,9 +46,7 @@ creation_year = "2018" current_year = str(datetime.datetime.now().year) year_duration = ( - current_year - if current_year == creation_year - else creation_year + " - " + current_year + current_year if current_year == creation_year else creation_year + " - " + current_year ) copyright = year_duration + " Scott Shawcroft" author = "Scott Shawcroft" diff --git a/examples/imageload_colorwheel.py b/examples/imageload_colorwheel.py index d43d378..58bc889 100644 --- a/examples/imageload_colorwheel.py +++ b/examples/imageload_colorwheel.py @@ -3,6 +3,7 @@ import board import displayio + import adafruit_imageload display = board.DISPLAY diff --git a/examples/imageload_from_web.py b/examples/imageload_from_web.py index 283eb59..9a873a8 100644 --- a/examples/imageload_from_web.py +++ b/examples/imageload_from_web.py @@ -4,14 +4,16 @@ imageload example for esp32s2 that loads an image fetched via adafruit_requests using BytesIO """ -from io import BytesIO + import ssl -import wifi -import socketpool +from io import BytesIO +import adafruit_requests as requests import board import displayio -import adafruit_requests as requests +import socketpool +import wifi + import adafruit_imageload # Get wifi details and more from a secrets.py file @@ -28,7 +30,6 @@ socket = socketpool.SocketPool(wifi.radio) https = requests.Session(socket, ssl.create_default_context()) -# pylint: disable=line-too-long url = "https://raw.githubusercontent.com/adafruit/Adafruit_CircuitPython_ImageLoad/main/examples/images/4bit.bmp" print("Fetching text from %s" % url) diff --git a/examples/imageload_jpg_simpletest.py b/examples/imageload_jpg_simpletest.py index dc4b8ef..93f2a2f 100644 --- a/examples/imageload_jpg_simpletest.py +++ b/examples/imageload_jpg_simpletest.py @@ -8,6 +8,7 @@ import board import displayio + import adafruit_imageload group = displayio.Group() diff --git a/examples/imageload_magtag_simpletest.py b/examples/imageload_magtag_simpletest.py index ad95515..cbee121 100644 --- a/examples/imageload_magtag_simpletest.py +++ b/examples/imageload_magtag_simpletest.py @@ -5,9 +5,12 @@ Basic imageload example script adapted for use on MagTag. """ + import time + import board import displayio + import adafruit_imageload # use built in display (PyPortal, PyGamer, PyBadge, CLUE, etc.) diff --git a/examples/imageload_netpbm.py b/examples/imageload_netpbm.py index b896e6e..06ca3f1 100644 --- a/examples/imageload_netpbm.py +++ b/examples/imageload_netpbm.py @@ -12,9 +12,10 @@ """ +import adafruit_ili9341 import board import displayio -import adafruit_ili9341 + import adafruit_imageload spi = board.SPI() @@ -36,9 +37,7 @@ # image = "images/netpbm_p5_binary.pgm" image = "images/netpbm_p6_binary.ppm" -bitmap, palette = adafruit_imageload.load( - image, bitmap=displayio.Bitmap, palette=displayio.Palette -) +bitmap, palette = adafruit_imageload.load(image, bitmap=displayio.Bitmap, palette=displayio.Palette) bg_sprite = displayio.TileGrid(bitmap, pixel_shader=palette, x=0, y=0) diff --git a/examples/imageload_png_simpletest.py b/examples/imageload_png_simpletest.py index 07484e7..106ea69 100644 --- a/examples/imageload_png_simpletest.py +++ b/examples/imageload_png_simpletest.py @@ -4,13 +4,17 @@ import board import displayio from vectorio import Rectangle + import adafruit_imageload # built-in display display = board.DISPLAY -# load png image +# load png image. Uncomment to try other supported formats. image, palette = adafruit_imageload.load("images/test_image.png") +# image, palette = adafruit_imageload.load("images/test_image_grayscale.png") +# image, palette = adafruit_imageload.load("images/test_image_rgb.png") +# image, palette = adafruit_imageload.load("images/test_image_2bit.png") # Set the transparency index color to be hidden palette.make_transparent(0) @@ -23,9 +27,7 @@ # make a blank background bg_palette = displayio.Palette(1) bg_palette[0] = 0xFFFFFF -rect = Rectangle( - pixel_shader=bg_palette, width=display.width, height=display.height, x=0, y=0 -) +rect = Rectangle(pixel_shader=bg_palette, width=display.width, height=display.height, x=0, y=0) # make a group to show on the display group = displayio.Group() diff --git a/examples/imageload_simpletest.py b/examples/imageload_simpletest.py index fbfc52d..1481791 100644 --- a/examples/imageload_simpletest.py +++ b/examples/imageload_simpletest.py @@ -3,6 +3,7 @@ import board import displayio + import adafruit_imageload image, palette = adafruit_imageload.load("images/4bit.bmp") diff --git a/examples/imageload_tilegrid_inflator_simpletest.py b/examples/imageload_tilegrid_inflator_simpletest.py index 50463a0..867b6b5 100644 --- a/examples/imageload_tilegrid_inflator_simpletest.py +++ b/examples/imageload_tilegrid_inflator_simpletest.py @@ -3,6 +3,7 @@ import board import displayio + import adafruit_imageload from adafruit_imageload.tilegrid_inflator import inflate_tilegrid diff --git a/examples/images/test_image_2bit.png.license b/examples/images/test_image_2bit.png.license new file mode 100644 index 0000000..6a552de --- /dev/null +++ b/examples/images/test_image_2bit.png.license @@ -0,0 +1,2 @@ +# SPDX-FileCopyrightText: 2024 Foamyguy +# SPDX-License-Identifier: MIT diff --git a/examples/images/test_image_grayscale.png.license b/examples/images/test_image_grayscale.png.license new file mode 100644 index 0000000..ad03cf2 --- /dev/null +++ b/examples/images/test_image_grayscale.png.license @@ -0,0 +1,2 @@ +# SPDX-FileCopyrightText: 2022 ladyada for Adafruit Industries +# SPDX-License-Identifier: MIT diff --git a/examples/images/test_image_rgb.png.license b/examples/images/test_image_rgb.png.license new file mode 100644 index 0000000..ad03cf2 --- /dev/null +++ b/examples/images/test_image_rgb.png.license @@ -0,0 +1,2 @@ +# SPDX-FileCopyrightText: 2022 ladyada for Adafruit Industries +# SPDX-License-Identifier: MIT diff --git a/ruff.toml b/ruff.toml new file mode 100644 index 0000000..db37c83 --- /dev/null +++ b/ruff.toml @@ -0,0 +1,99 @@ +# SPDX-FileCopyrightText: 2024 Tim Cocks for Adafruit Industries +# +# SPDX-License-Identifier: MIT + +target-version = "py38" +line-length = 100 + +[lint] +select = ["I", "PL", "UP"] + +extend-select = [ + "D419", # empty-docstring + "E501", # line-too-long + "W291", # trailing-whitespace + "PLC0414", # useless-import-alias + "PLC2401", # non-ascii-name + "PLC2801", # unnecessary-dunder-call + "PLC3002", # unnecessary-direct-lambda-call + "E999", # syntax-error + "PLE0101", # return-in-init + "F706", # return-outside-function + "F704", # yield-outside-function + "PLE0116", # continue-in-finally + "PLE0117", # nonlocal-without-binding + "PLE0241", # duplicate-bases + "PLE0302", # unexpected-special-method-signature + "PLE0604", # invalid-all-object + "PLE0605", # invalid-all-format + "PLE0643", # potential-index-error + "PLE0704", # misplaced-bare-raise + "PLE1141", # dict-iter-missing-items + "PLE1142", # await-outside-async + "PLE1205", # logging-too-many-args + "PLE1206", # logging-too-few-args + "PLE1307", # bad-string-format-type + "PLE1310", # bad-str-strip-call + "PLE1507", # invalid-envvar-value + "PLE2502", # bidirectional-unicode + "PLE2510", # invalid-character-backspace + "PLE2512", # invalid-character-sub + "PLE2513", # invalid-character-esc + "PLE2514", # invalid-character-nul + "PLE2515", # invalid-character-zero-width-space + "PLR0124", # comparison-with-itself + "PLR0202", # no-classmethod-decorator + "PLR0203", # no-staticmethod-decorator + "UP004", # useless-object-inheritance + "PLR0206", # property-with-parameters + "PLR0904", # too-many-public-methods + "PLR0911", # too-many-return-statements + "PLR0912", # too-many-branches + "PLR0913", # too-many-arguments + "PLR0914", # too-many-locals + "PLR0915", # too-many-statements + "PLR0916", # too-many-boolean-expressions + "PLR1702", # too-many-nested-blocks + "PLR1704", # redefined-argument-from-local + "PLR1711", # useless-return + "C416", # unnecessary-comprehension + "PLR1733", # unnecessary-dict-index-lookup + "PLR1736", # unnecessary-list-index-lookup + + # ruff reports this rule is unstable + #"PLR6301", # no-self-use + + "PLW0108", # unnecessary-lambda + "PLW0120", # useless-else-on-loop + "PLW0127", # self-assigning-variable + "PLW0129", # assert-on-string-literal + "B033", # duplicate-value + "PLW0131", # named-expr-without-context + "PLW0245", # super-without-brackets + "PLW0406", # import-self + "PLW0602", # global-variable-not-assigned + "PLW0603", # global-statement + "PLW0604", # global-at-module-level + + # fails on the try: import typing used by libraries + #"F401", # unused-import + + "F841", # unused-variable + "E722", # bare-except + "PLW0711", # binary-op-exception + "PLW1501", # bad-open-mode + "PLW1508", # invalid-envvar-default + "PLW1509", # subprocess-popen-preexec-fn + "PLW2101", # useless-with-lock + "PLW3301", # nested-min-max +] + +ignore = [ + "PLR2004", # magic-value-comparison + "UP030", # format literals + "PLW1514", # unspecified-encoding + +] + +[format] +line-ending = "lf" diff --git a/tests/displayio_shared_bindings.py b/tests/displayio_shared_bindings.py index fcd96bc..5d796d7 100644 --- a/tests/displayio_shared_bindings.py +++ b/tests/displayio_shared_bindings.py @@ -34,6 +34,7 @@ * Author(s): Matt Land """ + from typing import Union @@ -76,9 +77,7 @@ def __setitem__(self, key: Union[tuple, int], value: int) -> None: if value > 255: raise ValueError(f"pixel value {value} too large") if self.data.get(key): - raise ValueError( - f"pixel {self._decode(key)}/{key} already set, cannot set again" - ) + raise ValueError(f"pixel {self._decode(key)}/{key} already set, cannot set again") self.data[key] = value def __getitem__(self, item: Union[tuple, int]) -> bytearray: @@ -89,9 +88,7 @@ def __getitem__(self, item: Union[tuple, int]) -> bytearray: try: return self.data[item] except KeyError as err: - raise RuntimeError( - "no data at {} [{}]".format(self._decode(item), item) - ) from err + raise RuntimeError(f"no data at {self._decode(item)} [{item}]") from err def validate(self, detect_empty_image=True) -> None: """ @@ -160,9 +157,7 @@ def __setitem__(self, key: int, value: Union[bytes, int, bytearray]) -> None: if isinstance(value, int) and value > 0xFFFFFF: raise ValueError(f"palette color int {value} is too large") if self.colors.get(key): - raise ValueError( - f"palette color {key} was already set, should not reassign" - ) + raise ValueError(f"palette color {key} was already set, should not reassign") self.colors[key] = value def __getitem__(self, item: int) -> Union[bytes, int, bytearray]: @@ -171,9 +166,7 @@ def __getitem__(self, item: int) -> Union[bytes, int, bytearray]: It is provided here for debugging purposes. """ if item >= self.num_colors: - raise ValueError( - f"palette index {item} should be less than {self.num_colors}" - ) + raise ValueError(f"palette index {item} should be less than {self.num_colors}") if not self.colors.get(item): raise ValueError(f"palette index {item} is not set") return self.colors[item] @@ -186,17 +179,14 @@ def validate(self): raise IndexError("no palette colors were set") if len(self.colors) != self.num_colors: raise IndexError( - "palette was initialized for {} colors, but only {} were inserted".format( - self.num_colors, len(self.colors) - ) + f"palette was initialized for {self.num_colors} " + f"colors, but only {len(self.colors)} were inserted" ) for i in range(self.num_colors): try: self.colors except IndexError as err: - raise ValueError( - "missing color `{}` in palette color list".format(i) - ) from err + raise ValueError(f"missing color `{i}` in palette color list") from err def __str__(self): """ diff --git a/tests/test_bitmap_c_interface.py b/tests/test_bitmap_c_interface.py index c9cb703..e4d8727 100644 --- a/tests/test_bitmap_c_interface.py +++ b/tests/test_bitmap_c_interface.py @@ -28,7 +28,9 @@ * Author(s): Matt Land """ + from unittest import TestCase + from .displayio_shared_bindings import Bitmap_C_Interface @@ -41,7 +43,7 @@ def test_init(self): def test_abs(self): b = Bitmap_C_Interface(5, 2, 1) - self.assertEqual(9, b._abs_pos(4, 1)) # pylint: disable=protected-access + self.assertEqual(9, b._abs_pos(4, 1)) def test_set_tuple(self): b = Bitmap_C_Interface(2, 4, 1) @@ -76,7 +78,7 @@ def test_max(self): def test_uninitialized(self): b = Bitmap_C_Interface(2, 4, 1) with self.assertRaises(RuntimeError): - b[1, 1] # pylint: disable=pointless-statement + b[1, 1] def test_validate_throws(self): b = Bitmap_C_Interface(2, 4, 1) @@ -95,6 +97,6 @@ def test_repr(self): def test_decode(self): b = Bitmap_C_Interface(4, 4, 1) - self.assertEqual((0, 0), b._decode(0)) # pylint: disable=protected-access - encoded = b._abs_pos(3, 3) # pylint: disable=protected-access - self.assertEqual((3, 3), b._decode(encoded)) # pylint: disable=protected-access + self.assertEqual((0, 0), b._decode(0)) + encoded = b._abs_pos(3, 3) + self.assertEqual((3, 3), b._decode(encoded)) diff --git a/tests/test_bmp_indexed_load.py b/tests/test_bmp_indexed_load.py index 5e72a38..b9c87f1 100644 --- a/tests/test_bmp_indexed_load.py +++ b/tests/test_bmp_indexed_load.py @@ -29,15 +29,15 @@ import os from unittest import TestCase + from adafruit_imageload import load + from .displayio_shared_bindings import Bitmap_C_Interface, Palette_C_Interface class TestBmpIndexedLoad(TestCase): def test_order_bgra_to_rgba(self): - test_file = os.path.join( - os.path.dirname(__file__), "..", "examples", "images", "4bit.bmp" - ) + test_file = os.path.join(os.path.dirname(__file__), "..", "examples", "images", "4bit.bmp") bitmap, palette = load( file_or_filename=test_file, diff --git a/tests/test_palette_c_interface.py b/tests/test_palette_c_interface.py index 457f468..e9c56c8 100644 --- a/tests/test_palette_c_interface.py +++ b/tests/test_palette_c_interface.py @@ -28,7 +28,9 @@ * Author(s): Matt Land """ + from unittest import TestCase + from .displayio_shared_bindings import Palette_C_Interface @@ -54,17 +56,17 @@ def test_get_int(self): @staticmethod def test_set_byte(): palette = Palette_C_Interface(1) - palette[0] = b"\xFF\xFF\xFF" + palette[0] = b"\xff\xff\xff" def test_get_byte(self): palette = Palette_C_Interface(1) - palette[0] = b"\xFF\xFF\xFF" - self.assertEqual(b"\xFF\xFF\xFF", palette[0]) + palette[0] = b"\xff\xff\xff" + self.assertEqual(b"\xff\xff\xff", palette[0]) @staticmethod def test_set_bytearray(): palette = Palette_C_Interface(1) - palette[0] = bytearray(b"\xFF\xFF\xFF") + palette[0] = bytearray(b"\xff\xff\xff") def test_prevents_out_of_range(self): palette = Palette_C_Interface(1) @@ -78,7 +80,7 @@ def test_prevents_out_of_range(self): def test_prevents_set_non_allowed(self): palette = Palette_C_Interface(1) try: - palette[0] = "\xFF\xFF\xFF" # attempt with a string, which is not allowed + palette[0] = "\xff\xff\xff" # attempt with a string, which is not allowed self.fail("exception should have thrown") except ValueError as err: if "should be" not in str(err): @@ -87,12 +89,12 @@ def test_prevents_set_non_allowed(self): @staticmethod def test_validate_success(): palette = Palette_C_Interface(1) - palette[0] = b"\xFF\xFF\xFF" + palette[0] = b"\xff\xff\xff" palette.validate() def test_validate_fails(self): palette = Palette_C_Interface(2) - palette[1] = b"\xFF\xFF\xFF" + palette[1] = b"\xff\xff\xff" try: palette.validate() self.fail("exception should have thrown") @@ -103,5 +105,5 @@ def test_validate_fails(self): @staticmethod def test_str(): palette = Palette_C_Interface(1) - palette[0] = b"\xFF\xFF\xFF" + palette[0] = b"\xff\xff\xff" print(str(palette)) diff --git a/tests/test_pbm_load.py b/tests/test_pbm_load.py index bc653eb..f1ba849 100644 --- a/tests/test_pbm_load.py +++ b/tests/test_pbm_load.py @@ -26,23 +26,24 @@ * Author(s): Matt Land """ + import os from io import BytesIO from unittest import TestCase + from adafruit_imageload import pnm from adafruit_imageload.pnm.pbm_binary import iterbits, reverse + from .displayio_shared_bindings import Bitmap_C_Interface, Palette_C_Interface class TestPbmLoad(TestCase): - def test_load_fails_with_no_header_data(self): # pylint: disable=invalid-name + def test_load_fails_with_no_header_data(self): file = BytesIO(b"some initial binary data: \x00\x01") try: - pnm.load( - file, b"P1", bitmap=Bitmap_C_Interface, palette=Palette_C_Interface - ) + pnm.load(file, b"P1", bitmap=Bitmap_C_Interface, palette=Palette_C_Interface) self.fail("should have failed") - except Exception as caught_exception: # pylint: disable=broad-except + except Exception as caught_exception: if "Unsupported image format" not in str(caught_exception): raise @@ -102,7 +103,7 @@ def test_load_works_p4_binary(self): self.assertEqual(15, bitmap.height) bitmap.validate() - def test_load_works_p4_binary_high_res(self): # pylint: disable=invalid-name + def test_load_works_p4_binary_high_res(self): test_file = os.path.join( os.path.dirname(__file__), "..", diff --git a/tests/test_pgm_load.py b/tests/test_pgm_load.py index dd1bc09..e5c0445 100644 --- a/tests/test_pgm_load.py +++ b/tests/test_pgm_load.py @@ -26,9 +26,12 @@ * Author(s): Matt Land """ + import os from unittest import TestCase + from adafruit_imageload import pnm + from .displayio_shared_bindings import Bitmap_C_Interface, Palette_C_Interface diff --git a/tests/test_ppm_load.py b/tests/test_ppm_load.py index bb8de7b..dfe081c 100644 --- a/tests/test_ppm_load.py +++ b/tests/test_ppm_load.py @@ -26,11 +26,14 @@ * Author(s): Matt Land """ + import os from io import BytesIO from unittest import TestCase + from adafruit_imageload import pnm from adafruit_imageload.pnm.ppm_ascii import read_three_colors + from .displayio_shared_bindings import Bitmap_C_Interface, Palette_C_Interface From c270013eeb3c5aada3c73ae0b475fc007c4c8ac9 Mon Sep 17 00:00:00 2001 From: foamyguy Date: Mon, 5 Aug 2024 09:08:33 -0500 Subject: [PATCH 2/8] noqa exclude for f-string repr usage --- adafruit_imageload/pnm/__init__.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/adafruit_imageload/pnm/__init__.py b/adafruit_imageload/pnm/__init__.py index 7a18aeb..b178299 100644 --- a/adafruit_imageload/pnm/__init__.py +++ b/adafruit_imageload/pnm/__init__.py @@ -124,7 +124,8 @@ def load( # noqa: PLR0912 Too many branches next_byte = file.read(1) if next_byte == b"": - raise RuntimeError(f"Unsupported image format {magic_number!r}") + # mpy-cross does not support !r in f-string substitution, so ignore ruff rule + raise RuntimeError("Unsupported image format {!r}".format(magic_number)) # noqa: UP032, f-string if next_byte == b"#": # comment found, seek until a newline or EOF is found while file.read(1) not in [b"", b"\n"]: # EOF or NL pass From 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diff --git a/.gitattributes b/.gitattributes deleted file mode 100644 index d54c593..0000000 --- a/.gitattributes +++ /dev/null @@ -1,5 +0,0 @@ -# SPDX-FileCopyrightText: 2024 Justin Myers for Adafruit Industries -# -# SPDX-License-Identifier: Unlicense - -* text eol=lf From f5fb63da6a616a3ebd31428b515459dd871aac68 Mon Sep 17 00:00:00 2001 From: foamyguy Date: Mon, 12 Aug 2024 15:33:38 -0500 Subject: [PATCH 8/8] add images --- examples/images/test_image_2bit.png | Bin 0 -> 625 bytes examples/images/test_image_grayscale.png | Bin 0 -> 10557 bytes examples/images/test_image_rgb.png | Bin 0 -> 7566 bytes 3 files changed, 0 insertions(+), 0 deletions(-) create mode 100644 examples/images/test_image_2bit.png create mode 100644 examples/images/test_image_grayscale.png create mode 100644 examples/images/test_image_rgb.png diff --git a/examples/images/test_image_2bit.png b/examples/images/test_image_2bit.png new file mode 100644 index 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