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.gitignore

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+build
+updater.spec
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# 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/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

README.md

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+# GitHub Release Updater
+
+Make an `update.exe` that checks github for new releases and updates the current directory if behind.
+
+## Setup
+1. Have python3
+2. [Download](https://github.com/xjiro/githubreleaseupdater/archive/refs/heads/master.zip) and extract this repo
+3. Run `pip install -Ur requirements.txt`
+
+## Configuration
+- Set `repo_url` in `update.py`
+- Run `.\build.cmd`
+- Copy `update.exe` to your project you want to auto update
+
+## Usage Details
+- Will only grab the first release artifact
+- Expects that artifact to be a zip
+- Creates and maintains an `update.txt` with the latest releases' publish timestamp
+
+### Downsides
+I might fix these issues later if necessary
+- Simply overwrites files (watch out for user configurations, default saves)
+- Will redudantly download and overwrite unchanged files (no file hashing or manifest usage)
+- Doesn't support architecture selection
+- No configuration for installation paths
+- Windows only
+
+## License
+This project is licensed under the MIT License.

build.cmd

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+pyinstaller --onefile update.py

requirements.txt

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+pyinstaller
+requests

update.py

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+import sys
+import os
+import requests
+import datetime
+from urllib.parse import urlparse
+
+repo_url = "https://github.com/xjiro/releasetest"
+
+parsed_url = urlparse(repo_url)
+path_parts = parsed_url.path.strip('/').split('/')
+username, repo = path_parts[-2:]
+
+
+# get the last update we performed
+latest = 0
+try:
+    with open('lastupdate.txt', 'r') as f:
+        latest = int(f.read())
+except:
+    with open('lastupdate.txt', 'w+') as f:
+        f.write(str(latest))
+
+
+# get the most recent release from github repo
+def get_release():
+    api = f"https://api.github.com/repos/{username}/{repo}/releases/latest"
+    response = requests.get(api)
+    if response.status_code == 200:
+        return response.json()
+    return None
+
+
+release = None
+try:
+    release = get_release()
+except Exception as e:
+    pass
+
+if not release:
+    print("Failed to get release info")
+    sys.exit(0)
+
+# check if the latest release is newer than the last checked
+published = datetime.datetime.strptime(release['published_at'], '%Y-%m-%dT%H:%M:%SZ')
+published_unix = int(published.timestamp())
+
+if published_unix <= latest:
+    print("We are up to date")
+    sys.exit(0)
+
+print(f"New release from {published}, updating...")
+
+with requests.get(release['assets'][0]['browser_download_url'], stream=True) as r:
+    r.raise_for_status()
+    with open('release.zip', 'wb') as f:
+        for chunk in r.iter_content(chunk_size=8192):
+            f.write(chunk)
+
+# unzip release.zip
+import zipfile
+with zipfile.ZipFile('release.zip', 'r') as zip_ref:
+    zip_ref.extractall('.')
+
+print(f"Update complete !")
+
+# clean up
+os.remove('release.zip')
+
+# update the release info
+with open('lastupdate.txt', 'w') as f:
+    f.write(str(published_unix))