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"""
Internal helpers for basic commandline tools
"""
from __future__ import print_function, absolute_import
import os
import sys
from macholib.util import is_platform_file
def check_file(fp, path, callback):
if not os.path.exists(path):
print('%s: %s: No such file or directory' % (
sys.argv[0], path), file=sys.stderr)
return 1
try:
is_plat = is_platform_file(path)
except IOError as msg:
print('%s: %s: %s' % (sys.argv[0], path, msg), file=sys.stderr)
return 1
else:
if is_plat:
callback(fp, path)
return 0
def main(callback):
args = sys.argv[1:]
name = os.path.basename(sys.argv[0])
err = 0
if not args:
print("Usage: %s filename..." % (name,), file=sys.stderr)
return 1
for base in args:
if os.path.isdir(base):
for root, dirs, files in os.walk(base):
for fn in files:
err |= check_file(
sys.stdout, os.path.join(root, fn), callback)
else:
err |= check_file(sys.stdout, base, callback)
return err
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