feat: add initial project

.gitignore

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+*.fs
+*.sqlite
+*.sqlite3
+*.log
+*.tmp
+uploads/
+media/
+
+log/
+logs/
+
+bower_components/
+node_modules/
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+.venv/
+*.egg-info/
+.installed.cfg
+*.egg
+.python-version
+
+# PyInstaller
+# Usually these files are written by a python script from a template
+# before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.pytest_cache
+nosetests.xml
+coverage.xml
+*,cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+#Ipython Notebook
+.ipynb_checkpoints
+
+# .env files
+.env
+
+# IDEs & Text Editors
+.idea
+*.swp
+
+.vscode

CHANGES.rst

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+Changelog
+---------
+
+0.1.0
+~~~~~
+
+* Initial release

Makefile

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+PROJECT_NAME=zpl_image_extractor
+
+.PHONY: clean-pyc
+
+clean-eggs:
+ @find . -name '*.egg' -print0|xargs -0 rm -rf --
+ @rm -rf .eggs/
+
+clean-pyc:
+ @find . -iname '*.py[co]' -delete
+ @find . -iname '__pycache__' -delete
+ @find . -iname '.coverage' -delete
+ @rm -rf htmlcov/
+
+pre-clean: clean-eggs clean-pyc
+ @find . -iname '*~' -delete
+ @find . -iname '*.swp' -delete
+ @find . -iname '__pycache__' -delete
+
+post-clean:
+ @rm -rf build/
+ @rm $(PROJECT_NAME).spec
+ @rm dist/$(PROJECT_NAME)
+
+test:
+ poetry run pytest -vv tests
+
+test-cov:
+ poetry run pytest -vv --cov=loafer tests
+
+cov:
+ poetry run coverage report -m
+
+cov-report:
+ poetry run pytest -vv --cov=loafer --cov-report=html tests
+
+check-fixtures:
+ poetry run pytest --dead-fixtures
+
+changelog-preview:
+ @echo "\nmain ("$$(date '+%Y-%m-%d')")"
+ @echo "-------------------\n"
+ @git log $$(poetry version -s)...main --oneline --reverse
+
+
+version = `cat CHANGES.rst | awk '/^[0-9]+\.[0-9]+(\.[0-9]+)?/' | head -n1`
+bump_version:
+ poetry version $(version)
+
+bump_binary: bump_version pre-clean
+ pyinstaller --onefile --name $(PROJECT_NAME) $(PROJECT_NAME)/cli.py
+ @tar -C dist/ -czf dist/$(PROJECT_NAME).$(version).tar.gz $(PROJECT_NAME)
+ @make post-clean

pyproject.toml

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+[tool.poetry]
+name = "zpl-image-extractor"
+version = "0.1.0"
+description = ""
+authors = ["pyduh <[email protected]>"]
+readme = "README.md"
+packages = [{include = "zpl_image_extractor"}]
+
+[tool.poetry.dependencies]
+python = "~3.11"
+Pillow = "^9.4.0"
+click = "^8.1.3"
+pyinstaller = "^5.7.0"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"

zpl_image_extractor/cli.py

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+import sys
+import click
+
+from zpl_image_extractor.utils import normalise_zpl
+from zpl_image_extractor.zpl import ZplLine
+
+@click.group()
+def entry():
+ ...
+
+@entry.command()
+@click.option("--zpl-line", help="String with zpl instruction")
+@click.option("--output", default="output.png", help="File path output with generated image")
+def convert_zpl_line_to_png(zpl_line, output):
+ zpl_line = ZplLine.build(line=zpl_line)
+ file_path = zpl_line.to_image(file_path=output)
+ click.echo(file_path)
+
+
+@entry.command()
+@click.option("--zpl", help="Path to zpl")
+def tokenize_zpl(zpl):
+ with open(zpl, 'r') as file:
+ click.echo(normalise_zpl(file.read()))
+
+
+if __name__ == "__main__":
+ if getattr(sys, "frozen", False):
+ entry(sys.argv[1:])
+ else:
+ entry()

zpl_image_extractor/constants.py

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+import re
+
+
+CRC_CCITT_TABLE = None
+RE_COMPRESSED = re.compile(r'[G-Zg-z]+.')

zpl_image_extractor/utils.py

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+from ctypes import c_ushort
+
+from .constants import CRC_CCITT_TABLE, RE_COMPRESSED
+
+
+def _calculate_crc_ccitt(data):
+ """
+ All CRC stuff ripped from PyCRC, GPLv3 licensed
+ """
+ global CRC_CCITT_TABLE
+ if not CRC_CCITT_TABLE:
+ crc_ccitt_table = []
+ for i in range(0, 256):
+ crc = 0
+ c = i << 8
+
+ for j in range(0, 8):
+ if (crc ^ c) & 0x8000:
+ crc = c_ushort(crc << 1).value ^ 0x1021
+ else:
+ crc = c_ushort(crc << 1).value
+
+ c = c_ushort(c << 1).value
+
+ crc_ccitt_table.append(crc)
+ CRC_CCITT_TABLE = crc_ccitt_table
+
+ is_string = isinstance(data, str)
+ crc_value = 0x0000 # XModem version
+
+ for c in data:
+ d = ord(c) if is_string else c
+ tmp = ((crc_value >> 8) & 0xff) ^ d
+ crc_value = ((crc_value << 8) & 0xff00) ^ CRC_CCITT_TABLE[tmp]
+
+ return crc_value
+
+
+def calc_crc(data):
+ return '%04X' % _calculate_crc_ccitt(data)
+
+
+def chunked(value, n):
+ for i in range(0, len(value), n):
+ yield value[i:i+n]
+
+
+def normalise_zpl(zpl):
+ zpl = zpl.replace('\n', '').replace('\r', '')
+ zpl = zpl.replace('^', '\n^').replace('~', '\n~')
+ return zpl.split('\n')