63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
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import sys
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import subprocess
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import importlib.metadata
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import os
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def check_dependencies():
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"""Checks if dependencies in requirements.txt are installed."""
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requirements_file = "requirements.txt"
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if not os.path.exists(requirements_file):
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print(f"Warning: {requirements_file} not found. Skipping dependency check.")
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return
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print("Checking dependencies...")
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missing_packages = []
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with open(requirements_file, "r") as f:
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for line in f:
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line = line.strip()
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if not line or line.startswith("#"):
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continue
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# Simple parsing for package name.
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# This handles 'package>=version', 'package==version', 'package'
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# It does NOT handle complex markers perfectly, but suffices for basic checking.
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package_name = line.split("=")[0].split(">")[0].split("<")[0].strip()
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try:
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importlib.metadata.version(package_name)
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except importlib.metadata.PackageNotFoundError:
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missing_packages.append(line)
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if missing_packages:
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print(f"Missing dependencies: {', '.join(missing_packages)}")
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print("Installing missing dependencies...")
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try:
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subprocess.check_call([sys.executable, "-m", "pip", "install", "-r", requirements_file])
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print("Dependencies installed successfully.")
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except subprocess.CalledProcessError as e:
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print(f"Error installing dependencies: {e}")
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sys.exit(1)
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else:
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print("All dependencies checked.")
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def main():
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check_dependencies()
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print("Starting application...")
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try:
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# Run the main application
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# Using sys.executable ensures we use the same python interpreter
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subprocess.run([sys.executable, "main.py"], check=True)
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except subprocess.CalledProcessError as e:
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print(f"Application exited with error: {e}")
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sys.exit(e.returncode)
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except KeyboardInterrupt:
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print("\nApplication stopped by user.")
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except Exception as e:
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print(f"An unexpected error occurred: {e}")
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sys.exit(1)
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if __name__ == "__main__":
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main()
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