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#!/usr/bin/python3 # Copyright 2012-2021, Andrey Kislyuk and argcomplete contributors. # Licensed under the Apache License. See https://github.com/kislyuk/argcomplete for more info. ''' This script is part of the Python argcomplete package (https://github.com/kislyuk/argcomplete). It is used to check if an EASY-INSTALL-SCRIPT wrapper redirects to a script that contains the string "PYTHON_ARGCOMPLETE_OK". If you have enabled global completion in argcomplete, the completion hook will run it every time you press <TAB> in your shell. Usage: python-argcomplete-check-easy-install-script <input executable file> ''' import sys if len(sys.argv) != 2: sys.exit(__doc__) sys.tracebacklimit = 0 with open(sys.argv[1]) as fh: line1, head = fh.read(1024).split("\n", 1)[:2] if line1.startswith('#') and ('py' in line1 or 'Py' in line1): import re lines = head.split("\n", 12) for line in lines: if line.startswith("# EASY-INSTALL-SCRIPT"): import pkg_resources dist, script = re.match("# EASY-INSTALL-SCRIPT: '(.+)','(.+)'", line).groups() if "PYTHON_ARGCOMPLETE_OK" in pkg_resources.get_distribution(dist).get_metadata('scripts/' + script): exit(0) elif line.startswith("# EASY-INSTALL-ENTRY-SCRIPT"): dist, group, name = re.match("# EASY-INSTALL-ENTRY-SCRIPT: '(.+)','(.+)','(.+)'", line).groups() import pkg_resources, pkgutil module_name = pkg_resources.get_distribution(dist).get_entry_info(group, name).module_name with open(pkgutil.get_loader(module_name).get_filename()) as mod_fh: if "PYTHON_ARGCOMPLETE_OK" in mod_fh.read(1024): exit(0) elif line.startswith("# EASY-INSTALL-DEV-SCRIPT"): for line2 in lines: if line2.startswith('__file__'): filename = re.match("__file__ = '(.+)'", line2).group(1) with open(filename) as mod_fh: if "PYTHON_ARGCOMPLETE_OK" in mod_fh.read(1024): exit(0) elif line.startswith("# PBR Generated"): module = re.search("from (.*) import", head).groups()[0] import pkg_resources, pkgutil with open(pkgutil.get_loader(module).get_filename()) as mod_fh: if "PYTHON_ARGCOMPLETE_OK" in mod_fh.read(1024): exit(0) exit(1)