Fix terrible hierarchy of environment/external variables

DEBUG should be respected now.
This commit is contained in:
McCloudS
2025-05-14 09:57:43 -06:00
committed by GitHub
parent d9febbe991
commit c80b5db14d

View File

@@ -10,12 +10,10 @@ def convert_to_bool(in_bool):
def install_packages_from_requirements(requirements_file):
try:
# Try installing with pip3
subprocess.run(['pip3', 'install', '-r', requirements_file, '--upgrade'], check=True)
print("Packages installed successfully using pip3.")
except subprocess.CalledProcessError:
try:
# If pip3 fails, try installing with pip
subprocess.run(['pip', 'install', '-r', requirements_file, '--upgrade'], check=True)
print("Packages installed successfully using pip.")
except subprocess.CalledProcessError:
@@ -24,7 +22,7 @@ def install_packages_from_requirements(requirements_file):
def download_from_github(url, output_file):
try:
with urllib.request.urlopen(url) as response, open(output_file, 'wb') as out_file:
data = response.read() # a `bytes` object
data = response.read()
out_file.write(data)
print(f"File downloaded successfully to {output_file}")
except urllib.error.HTTPError as e:
@@ -35,11 +33,6 @@ def download_from_github(url, output_file):
print(f"An error occurred: {e}")
def prompt_and_save_bazarr_env_variables():
"""
Prompts the user for Bazarr related environment variables with descriptions and saves them to a file.
If the user does not input anything, default values are used.
"""
# Instructions for the user
instructions = (
"You will be prompted for several configuration values.\n"
"If you wish to use the default value for any of them, simply press Enter without typing anything.\n"
@@ -51,39 +44,35 @@ def prompt_and_save_bazarr_env_variables():
'WHISPER_MODEL': ('Whisper Model', 'Enter the Whisper model you want to run: tiny, tiny.en, base, base.en, small, small.en, medium, medium.en, large, distil-large-v2, distil-medium.en, distil-small.en', 'medium'),
'WEBHOOKPORT': ('Webhook Port', 'Default listening port for subgen.py', '9000'),
'TRANSCRIBE_DEVICE': ('Transcribe Device', 'Set as cpu or gpu', 'gpu'),
'DEBUG': ('Debug', 'Enable debug logging', 'True'),
# Defaulting to False here for the prompt, user can change
'DEBUG': ('Debug', 'Enable debug logging (true/false)', 'False'),
'CLEAR_VRAM_ON_COMPLETE': ('Clear VRAM', 'Attempt to clear VRAM when complete (Windows users may need to set this to False)', 'False'),
'APPEND': ('Append', 'Append \'Transcribed by whisper\' to generated subtitle', 'False'),
'APPEND': ('Append', 'Append \'Transcribed by whisper\' to generated subtitle (true/false)', 'False'),
}
# Dictionary to hold the user's input
user_input = {}
# Prompt the user for each environment variable and write to .env file
with open('subgen.env', 'w') as file:
for var, (description, prompt, default) in env_vars.items():
value = input(f"{prompt} [{default}]: ") or default
file.write(f"{var}={value}\n")
print("Environment variables have been saved to subgen.env")
def load_env_variables(env_filename='subgen.env'):
"""
Loads environment variables from a specified .env file and sets them.
"""
try:
with open(env_filename, 'r') as file:
for line in file:
var, value = line.strip().split('=', 1)
os.environ[var] = value
line = line.strip()
if line and not line.startswith('#') and '=' in line:
var, value = line.split('=', 1)
# Only set if not already set by a higher priority mechanism (like external env var)
# For this simple loader, we'll let it overwrite,
# and CLI args will overwrite these later if specified.
os.environ[var] = value
print(f"Environment variables have been loaded from {env_filename}")
except FileNotFoundError:
print(f"{env_filename} file not found. Please run prompt_and_save_env_variables() first.")
print(f"{env_filename} file not found. Consider running with --setup-bazarr or creating it manually.")
def main():
# Check if the script is run with 'python' or 'python3'
if 'python3' in sys.executable:
python_cmd = 'python3'
elif 'python' in sys.executable:
@@ -93,77 +82,99 @@ def main():
sys.exit(1)
if sys.version_info[0] < 3:
print(f"This script requires Python 3 or higher, you are running {sys.version}")
sys.exit(1) # Terminate the script
#Make sure we're saving subgen.py and subgen.env in the right folder
sys.exit(1)
os.chdir(os.path.dirname(os.path.abspath(__file__)))
# Construct the argument parser
parser = argparse.ArgumentParser(prog="python launcher.py", formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('-d', '--debug', default=True, action='store_true', help="Enable console debugging")
parser.add_argument('-i', '--install', default=False, action='store_true', help="Install/update all necessary packages")
parser.add_argument('-a', '--append', default=False, action='store_true', help="Append 'Transcribed by whisper' to generated subtitle")
parser.add_argument('-u', '--update', default=False, action='store_true', help="Update Subgen")
parser.add_argument('-x', '--exit-early', default=False, action='store_true', help="Exit without running subgen.py")
parser.add_argument('-s', '--setup-bazarr', default=False, action='store_true', help="Prompt for common Bazarr setup parameters and save them for future runs")
parser.add_argument('-b', '--branch', type=str, default='main', help='Specify the branch to download from')
parser.add_argument('-l', '--launcher-update', default=False, action='store_true', help="Update launcher.py and re-launch")
# Changed: action='store_true' means it's False by default, True if flag is present
parser.add_argument('-d', '--debug', action='store_true', help="Enable console debugging (overrides .env and external ENV)")
parser.add_argument('-i', '--install', action='store_true', help="Install/update all necessary packages")
# Changed: action='store_true'
parser.add_argument('-a', '--append', action='store_true', help="Append 'Transcribed by whisper' (overrides .env and external ENV)")
parser.add_argument('-u', '--update', action='store_true', help="Update Subgen")
parser.add_argument('-x', '--exit-early', action='store_true', help="Exit without running subgen.py")
parser.add_argument('-s', '--setup-bazarr', action='store_true', help="Prompt for common Bazarr setup parameters and save them for future runs")
parser.add_argument('-b', '--branch', type=str, default='main', help='Specify the branch to download from')
parser.add_argument('-l', '--launcher-update', action='store_true', help="Update launcher.py and re-launch")
args = parser.parse_args()
# Get the branch name from the BRANCH environment variable or default to 'main'
branch_name = args.branch if args.branch != 'main' else os.getenv('BRANCH', 'main')
# Determine the script name based on the branch name
script_name = f"-{branch_name}.py" if branch_name != "main" else ".py"
# Check we need to update the launcher
script_name_suffix = f"-{branch_name}.py" if branch_name != "main" else ".py"
subgen_script_to_run = f"subgen{script_name_suffix}"
language_code_script_to_download = f"language_code{script_name_suffix}"
if args.launcher_update or convert_to_bool(os.getenv('LAUNCHER_UPDATE')):
print(f"Updating launcher.py from GitHub branch {branch_name}...")
download_from_github(f"https://raw.githubusercontent.com/McCloudS/subgen/{branch_name}/launcher.py", f'launcher{script_name}')
download_from_github(f"https://raw.githubusercontent.com/McCloudS/subgen/{branch_name}/launcher.py", f'launcher{script_name_suffix}')
excluded_args = ['--launcher-update', '-l']
new_args = [arg for arg in sys.argv[1:] if arg not in excluded_args]
print(f"Relaunching updated launcher: launcher{script_name_suffix}")
os.execl(sys.executable, sys.executable, f"launcher{script_name_suffix}", *new_args)
# The script will not continue past os.execl
# Prepare the arguments to exclude update triggers
excluded_args = ['--launcher-update', '-l']
new_args = [arg for arg in sys.argv[1:] if arg not in excluded_args]
if branch_name == 'main' and args.launcher_update:
print("Running launcher.py for the 'main' branch.")
os.execl(sys.executable, sys.executable, "launcher.py", *new_args)
elif args.launcher_update:
print(f"Running launcher-{branch_name}.py for the '{branch_name}' branch.")
os.execl(sys.executable, sys.executable, f"launcher{script_name}", *new_args)
# Set environment variables based on the parsed arguments
if not convert_to_bool(os.environ.get('DEBUG', '')):
os.environ['DEBUG'] = str(args.debug)
if not convert_to_bool(os.environ.get('APPEND', '')):
os.environ['APPEND'] = str(args.append)
if args.setup_bazarr:
# --- Environment Variable Handling ---
# 1. Load from .env file first. This sets a baseline.
# External environment variables (set before launcher.py) will already be in os.environ
# and won't be overwritten by load_env_variables IF load_env_variables checked for existence.
# For simplicity, this version of load_env_variables *will* overwrite.
# If you need to preserve external env vars over .env, load_env_variables needs adjustment.
if args.setup_bazarr:
prompt_and_save_bazarr_env_variables()
load_env_variables()
# After saving, load them immediately for this run
load_env_variables()
else:
# Load if not setting up, assuming subgen.env might exist
load_env_variables()
# 2. Override with command-line arguments (highest priority for these specific flags)
if args.debug: # If -d or --debug was passed
os.environ['DEBUG'] = 'True'
print("Launcher CLI: DEBUG set to True")
elif 'DEBUG' not in os.environ: # If not set by CLI and not by .env or external
os.environ['DEBUG'] = 'False' # Default to False if nothing else specified it
print("Launcher: DEBUG defaulted to False (no prior setting)")
if args.append: # If -a or --append was passed
os.environ['APPEND'] = 'True'
print("Launcher CLI: APPEND set to True")
elif 'APPEND' not in os.environ: # If not set by CLI and not by .env or external
os.environ['APPEND'] = 'False' # Default to False if nothing else specified it
#print("Launcher: APPEND defaulted to False (no prior setting)")
# --- End Environment Variable Handling ---
# URL to the requirements.txt file on GitHub
requirements_url = "https://raw.githubusercontent.com/McCloudS/subgen/main/requirements.txt"
requirements_file = "requirements.txt"
# Install packages from requirements.txt if the install or packageupdate argument is True
if args.install:
download_from_github(requirements_url, requirements_file)
install_packages_from_requirements(requirements_file)
# Check if the script exists or if the UPDATE environment variable is set to True
if not os.path.exists(f'subgen{script_name}') or args.update or convert_to_bool(os.getenv('UPDATE')):
print(f"Downloading subgen.py from GitHub branch {branch_name}...")
download_from_github(f"https://raw.githubusercontent.com/McCloudS/subgen/{branch_name}/subgen.py", f'subgen{script_name}')
download_from_github(f"https://raw.githubusercontent.com/McCloudS/subgen/{branch_name}/language_code.py", f'language_code{script_name}')
if not os.path.exists(subgen_script_to_run) or args.update or convert_to_bool(os.getenv('UPDATE')):
print(f"Downloading {subgen_script_to_run} from GitHub branch {branch_name}...")
download_from_github(f"https://raw.githubusercontent.com/McCloudS/subgen/{branch_name}/subgen.py", subgen_script_to_run)
print(f"Downloading {language_code_script_to_download} from GitHub branch {branch_name}...")
download_from_github(f"https://raw.githubusercontent.com/McCloudS/subgen/{branch_name}/language_code.py", language_code_script_to_download)
else:
print("subgen.py exists and UPDATE is set to False, skipping download.")
print(f"{subgen_script_to_run} exists and UPDATE is set to False, skipping download.")
if not args.exit_early:
print(f'Launching subgen{script_name}')
if branch_name != 'main':
subprocess.run([f'{python_cmd}', '-u', f'subgen{script_name}'], check=True)
else:
subprocess.run([f'{python_cmd}', '-u', 'subgen.py'], check=True)
#print(f"DEBUG environment variable for subgen.py: {os.getenv('DEBUG')}")
#print(f"APPEND environment variable for subgen.py: {os.getenv('APPEND')}")
print(f'Launching {subgen_script_to_run}')
try:
subprocess.run([python_cmd, '-u', subgen_script_to_run], check=True)
except FileNotFoundError:
print(f"Error: Could not find {subgen_script_to_run}. Make sure it was downloaded correctly.")
except subprocess.CalledProcessError as e:
print(f"Error running {subgen_script_to_run}: {e}")
else:
print("Not running subgen.py: -x or --exit-early set")