Files
2022-04-15 17:17:58 +00:00

115 lines
3.5 KiB
Python

#!/usr/local/autopkg/python
#
# Copyright 2013 Jesse Peterson
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""See docstring for FileFinder class"""
import os.path
from glob import glob
from autopkglib import ProcessorError
from autopkglib.DmgMounter import DmgMounter
__all__ = ["FileFinder"]
class FileFinder(DmgMounter):
"""Finds a filename for use in other Processors.
Currently only supports glob filename patterns.
Requires version 0.2.3.
"""
input_variables = {
"pattern": {
"description": "Shell glob pattern to match files by",
"required": True,
},
"find_method": {
"description": (
"Type of pattern to match. Currently only "
'supported type is "glob" (also the default)'
),
"default": "glob",
"required": False,
},
}
output_variables = {
"found_filename": {"description": "Full path of found filename"},
"dmg_found_filename": {"description": "DMG-relative path of found filename"},
"found_basename": {"description": "Basename of found filename"},
}
description = __doc__
def globfind(self, pattern):
"""If multiple files are found the last alphanumerically sorted found
file is returned"""
glob_matches = glob(pattern, recursive=True)
if len(glob_matches) < 1:
raise ProcessorError("No matching filename found")
glob_matches.sort()
return glob_matches[-1]
def main(self):
pattern = self.env.get("pattern")
method = self.env.get("find_method")
if method != "glob":
raise ProcessorError(f"Unsupported find_method: {method}")
source_path = pattern
# Check if we're trying to copy something inside a dmg.
(dmg_path, dmg, dmg_source_path) = self.parsePathForDMG(source_path)
try:
if dmg:
# Mount dmg and copy path inside.
mount_point = self.mount(dmg_path)
source_path = os.path.join(mount_point, dmg_source_path)
# process path with globbing
match = self.globfind(source_path)
self.env["found_filename"] = match
self.output(
f"Found file match: '{self.env['found_filename']}' from globbed '{source_path}'"
)
if dmg and match.startswith(mount_point):
self.env["dmg_found_filename"] = match[len(mount_point) :].lstrip("/")
self.output(
f"DMG-relative file match: '{self.env['dmg_found_filename']}'"
)
if match.endswith("/"):
self.env["found_basename"] = os.path.basename(match.rstrip("/"))
else:
self.env["found_basename"] = os.path.basename(match)
self.output(f"Basename match: '{self.env['found_basename']}'")
finally:
if dmg:
self.unmount(dmg_path)
if __name__ == "__main__":
PROCESSOR = FileFinder()
PROCESSOR.execute_shell()