f298fd92f5
if the package.json file changes, we must trigger building the web application, as in particular, a completely different version of yarn could be required.
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
import os
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import hashlib
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import pickle
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import subprocess
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def check_files(directories, filepaths, hash_file):
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old_file_hashes = {}
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file_hashes = {}
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for directory in directories:
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for root, dirs, filenames in os.walk(directory):
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for file in filenames:
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filepaths.append(os.path.join(root, file))
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for file_path in filepaths:
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with open(file_path, 'rb') as f:
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file_data = f.read()
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file_hashes[file_path] = hashlib.md5(file_data).hexdigest()
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if os.path.exists(hash_file):
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with open(hash_file, 'rb') as f:
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old_file_hashes = pickle.load(f)
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update = False
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for file_path, file_hash in file_hashes.items():
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if file_path not in old_file_hashes or old_file_hashes[file_path] != file_hash:
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update = True
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break
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if not update:
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print("INFO: webapp artifacts should be up-to-date")
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return
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print("INFO: compiling webapp (hang on, this can take a while and there might be little output)...")
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# we need shell=True as on Windows, path resolution to find the yarn
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# "exectuable" (a shell script) is only performed by cmd.exe, not by
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# Python itself. as we are calling yarn with fixed arguments, using
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# shell=True is fine.
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# we need to change the working directory to the webapp directory such
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# that corepack installs and uses the expected version of yarn. otherwise,
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# corepack installs a copy of yarn into the repository root directory.
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yarn = "yarn"
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try:
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subprocess.check_output(yarn + " --version", cwd="webapp", shell=True)
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except FileNotFoundError:
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yarn = "yarnpkg"
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try:
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subprocess.check_output(yarn + " --version", cwd="webapp", shell=True)
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except FileNotFoundError:
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raise Exception("it seems neither 'yarn' nor 'yarnpkg' is available on your system")
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# if these commands fail, an exception will prevent us from
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# persisting the current hashes => commands will be executed again
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subprocess.run(yarn + " install --frozen-lockfile",
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cwd="webapp", check=True, shell=True)
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subprocess.run(yarn + " build", cwd="webapp", check=True, shell=True)
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with open(hash_file, 'wb') as f:
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pickle.dump(file_hashes, f)
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def main():
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if os.getenv('GITHUB_ACTIONS') == 'true':
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print("INFO: not testing for up-to-date webapp artifacts when running as Github action")
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return 0
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print("INFO: testing for up-to-date webapp artifacts")
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directories = ["webapp/src/", "webapp/public/"]
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files = ["webapp/index.html", "webapp/tsconfig.config.json",
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"webapp/tsconfig.json", "webapp/vite.config.ts",
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"webapp/yarn.lock", "webapp/package.json"]
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hash_file = "webapp_dist/.hashes.pkl"
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check_files(directories, files, hash_file)
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main()
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