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#!/usr/bin/env python
"""
Implements the "make clean" target
(C) 2017 Jack Lloyd
Botan is released under the Simplified BSD License (see license.txt)
"""
import os
import sys
import re
import optparse # pylint: disable=deprecated-module
import logging
import json
import shutil
def remove_dir(d):
try:
if os.access(d, os.X_OK):
logging.debug('Removing directory "%s"', d)
shutil.rmtree(d)
else:
logging.debug('Directory %s was missing', d)
except Exception as e: # pylint: disable=broad-except
logging.error('Failed removing directory "%s": %s', d, e)
def remove_file(f):
try:
if os.access(f, os.R_OK):
logging.debug('Removing file "%s"', f)
os.unlink(f)
else:
logging.debug('File %s was missing', f)
except Exception as e: # pylint: disable=broad-except
logging.error('Failed removing file "%s": %s', f, e)
def remove_all_in_dir(d):
if os.access(d, os.X_OK):
logging.debug('Removing all files in directory "%s"', d)
for f in os.listdir(d):
remove_file(os.path.join(d, f))
def parse_options(args):
parser = optparse.OptionParser()
parser.add_option('--build-dir', default='build', metavar='DIR',
help='specify build dir to clean (default %default)')
parser.add_option('--distclean', action='store_true', default=False,
help='clean everything')
parser.add_option('--verbose', action='store_true', default=False,
help='noisy logging')
(options, args) = parser.parse_args(args)
if len(args) > 1:
raise Exception("Unknown arguments")
return options
def main(args=None):
if args is None:
args = sys.argv
options = parse_options(args)
logging.basicConfig(stream=sys.stderr,
format='%(levelname) 7s: %(message)s',
level=logging.DEBUG if options.verbose else logging.INFO)
build_dir = options.build_dir
if os.access(build_dir, os.X_OK) != True:
logging.debug('No build directory found')
# No build dir: clean enough!
return 0
build_config_path = os.path.join(build_dir, 'build_config.json')
build_config_str = None
try:
build_config_file = open(build_config_path)
build_config_str = build_config_file.read()
build_config_file.close()
except Exception: # pylint: disable=broad-except
# Ugh have to do generic catch as different exception type thrown in Python2
logging.error("Unable to access build_config.json in build dir")
return 1
build_config = json.loads(build_config_str)
if options.distclean:
build_dir = build_config['build_dir']
remove_file(build_config['makefile_path'])
remove_dir(build_dir)
else:
for dir_type in ['libobj_dir', 'cliobj_dir', 'testobj_dir']:
dir_path = build_config[dir_type]
remove_all_in_dir(dir_path)
remove_file(build_config['doc_stamp_file'])
try:
shutil.rmtree(build_config['doc_output_dir'])
except OSError:
pass
remove_file(build_config['cli_exe'])
remove_file(build_config['test_exe'])
lib_basename = build_config['lib_prefix'] + build_config['libname']
matches_libname = re.compile('^' + lib_basename + '.([a-z]+)((\\.[0-9\\.]+)|$)')
known_suffix = ['a', 'so', 'dll', 'manifest', 'exp']
for f in os.listdir(build_config['out_dir']):
match = matches_libname.match(f)
if match and match.group(1) in known_suffix:
remove_file(os.path.join(build_config['out_dir'], f))
if options.distclean:
if 'generated_files' in build_config:
for f in build_config['generated_files'].split(' '):
remove_file(f)
if __name__ == '__main__':
sys.exit(main())
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