cssfinder 0.2.0

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CSSFinder

Closest separable state finder.

Installing

To install CSSFinder from PyPI, use pip in terminal:

pip install cssfinder

If you want to use development version, traverse Development and Packaging sections below.

Development

This project uses Python programming language and requires at least python 3.8 for development and distribution. Development dependencies poetry for managing dependencies and distribution building. It is necessary to perform any operations in development environment.

To install poetry globally (preferred way) use pip in terminal:

pip install poetry

Then use

poetry shell

to spawn new shell with virtual environment activated. Virtual environment will be indicated by terminal prompt prefix (cssfinder-py3.10), version indicated in prefix depends on used version of Python interpreter. It is not necessary to use Python 3.10, however at least 3.8 is required.

Within shell with active virtual environment use:

poetry install --sync

To install all dependencies. Every time you perform a git pull or change a branch, you should call this command to make sure you have the correct versions of dependencies.

Last line should contain something like:

Installing the current project: cssfinder (0.1.0)

If no error messages are shown, You are good to go.

Packaging

A Python Wheel is a built package format for Python that can be easily installed and distributed, containing all the files necessary to install a module and can be installed with pip with all dependencies automatically installed too.

To create wheel of cssfinder use poe task in terminal:

poe build

This will create dist/ directory with cssfinder-0.2.0 or alike inside.

Wheel file can be installed with

pip install ./dist/cssfinder-0.2.0

What you expect is

Successfully installed cssfinder-0.2.0

or rather something like

Successfully installed click-8.1.3 contourpy-1.0.7 cssfinder-0.2.0 cycler-0.11.0 dnspython-2.3.0 email-validator-1.3.1 fonttools-4.39.0 idna-3.4 jsonref-1.1.0 kiwisolver-1.4.4 llvmlite-0.39.1 markdown-it-py-2.2.0 matplotlib-3.7.1 mdurl-0.1.2 numba-0.56.4 numpy-1.23.5 packaging-23.0 pandas-1.5.3 pendulum-2.1.2 pillow-9.4.0 pydantic-1.10.5 pygments-2.14.0 pyparsing-3.0.9 python-dateutil-2.8.2 pytz-2022.7.1 pytzdata-2020.1 rich-13.3.2 scipy-1.10.1 six-1.16.0 typing-extensions-4.5.0

But cssfinder-0.2.0 should be included in this list.

Code quality

To ensure that all code follow same style guidelines and code quality rules, multiple static analysis tools are used. For simplicity, all of them are configured as pre-commit (learn about pre-commit) hooks. Most of them however are listed as development dependencies.

• autocopyright: This hook automatically adds copyright headers to files. It is used to ensure that all files in the repository have a consistent copyright notice.

• autoflake: This hook automatically removes unused imports from Python code. It is used to help keep code clean and maintainable by removing unnecessary code.

• docformatter: This hook automatically formats docstrings in Python code. It is used to ensure that docstrings are consistent and easy to read.

• prettier: This hook automatically formats code in a variety of languages, including JavaScript, HTML, CSS, and Markdown. It is used to ensure that code is consistently formatted and easy to read.

• isort: This hook automatically sorts Python imports. It is used to ensure that imports are organized in a consistent and readable way.

• black: This hook automatically formats Python code. It is used to ensure that code is consistently formatted and easy to read.

• check-merge-conflict: This hook checks for merge conflicts. It is used to ensure that code changes do not conflict with other changes in the repository.

• check-case-conflict: This hook checks for case conflicts in file names. It is used to ensure that file names are consistent and do not cause issues on case-sensitive file systems.

• trailing-whitespace: This hook checks for trailing whitespace in files. It is used to ensure that files do not contain unnecessary whitespace.

• end-of-file-fixer: This hook adds a newline to the end of files if one is missing. It is used to ensure that files end with a newline character.

• debug-statements: This hook checks for the presence of debugging statements (e.g., print statements) in code. It is used to ensure that code changes do not contain unnecessary debugging code.

• check-added-large-files: This hook checks for large files that have been added to the repository. It is used to ensure that large files are not accidentally committed to the repository.

• check-toml: This hook checks for syntax errors in TOML files. It is used to ensure that TOML files are well-formed.

• mixed-line-ending: This hook checks for mixed line endings (e.g., a mix of Windows and Unix line endings) in text files. It is used to ensure that text files have consistent line endings.

To run all checks, you must install hooks first with poe

poe install-hooks

After you have once used this command, you wont have to use it in this environment. Then you can use

poe run-hooks

To run checks and automatic fixing. Not all issues can be automatically fixed, some of them will require your intervention.

Successful hooks run should leave no Failed tasks:

Example of failed task:

Those hooks will be run also while you try to commit anything. If any tasks fails, no commit will be created, instead you will be expected to fix errors and add stage fixes. Then you may retry running git commit.

Profiling

To run simple profiling, You can use following command:

python -mcProfile -o "#examples_profile_5qubits_prof.prof" "examples/profiling/5qubits_prof/cssfproject.py"

Then You can view output using snakeviz:

snakeviz "#examples_profile_5qubits_prof.prof"