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https://github.com/pgadmin-org/pgadmin4.git
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96 lines
2.7 KiB
Python
Executable File
96 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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##########################################################################
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#
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# pgAdmin 4 - PostgreSQL Tools
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#
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# Copyright (C) 2013 - 2023, The pgAdmin Development Team
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# This software is released under the PostgreSQL Licence
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#
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##########################################################################
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import argparse
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import os
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import sys
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def load_providers():
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""" Loads all the providers """
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providers = {}
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path = os.path.dirname(os.path.realpath(__file__))
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modules = os.listdir(path + '/providers')
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sys.path.append(path)
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for filename in modules:
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filename = path + '/providers/' + filename
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if os.path.isfile(filename):
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basename = os.path.basename(filename)
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base, extension = os.path.splitext(basename)
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if extension == ".py" and not basename.startswith("_"):
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module = __import__("providers." + basename[:-3],
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fromlist=["providers"])
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provider = module.load()
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providers[basename[:-3]] = provider
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return providers
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def get_args(providers):
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""" Creates the parsers and returns the args """
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# Create the top-level parser
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parser = argparse.ArgumentParser(prog='pgacloud.py')
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# Create the provider sub-parser
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parsers = parser.add_subparsers(help='provider help', dest='provider')
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# Load the provider parsers
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for provider in providers:
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providers[provider].init_args(parsers)
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args = parser.parse_args()
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return parser, args
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def execute_command(providers, parser, args):
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""" Executes the command in the provider """
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# Switch - for _ in command names. We use - in the CLI syntax for ease of
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# use, but we need an _ in Python function names
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if 'command' in args and args.command is not None:
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args.command = args.command.replace('-', '_')
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# Figure out what provider the command was for (if any) and call the
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# relevant function. If we don't get a match, print the help
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if args.provider in providers and \
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'command' in args and \
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args.command is not None:
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command = providers[args.provider].commands()[args.command]
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command(args)
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else:
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# If no provider has been given, display the top level help,
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# otherwise, call the help() method in the provider
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if args.provider is None:
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parser.print_help()
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else:
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command = providers[args.provider].commands()['help']
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command()
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def main():
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""" Entry point """
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# Load the providers
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providers = load_providers()
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# Get the args
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parser, args = get_args(providers)
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# Execute the command
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execute_command(providers, parser, args)
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if __name__ == '__main__':
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main()
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