forked from platformio/platformio-core
128 lines
3.7 KiB
Python
128 lines
3.7 KiB
Python
# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
|
|
#
|
|
# 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.
|
|
|
|
# pylint: disable=unused-import, no-name-in-module, import-error,
|
|
# pylint: disable=no-member, undefined-variable
|
|
|
|
import inspect
|
|
import json
|
|
import locale
|
|
import os
|
|
import re
|
|
import sys
|
|
|
|
PY2 = sys.version_info[0] == 2
|
|
CYGWIN = sys.platform.startswith("cygwin")
|
|
WINDOWS = sys.platform.startswith("win")
|
|
|
|
|
|
def get_filesystem_encoding():
|
|
return sys.getfilesystemencoding() or sys.getdefaultencoding()
|
|
|
|
|
|
def get_locale_encoding():
|
|
try:
|
|
return locale.getdefaultlocale()[1]
|
|
except ValueError:
|
|
return None
|
|
|
|
|
|
def get_class_attributes(cls):
|
|
attributes = inspect.getmembers(cls, lambda a: not inspect.isroutine(a))
|
|
return {
|
|
a[0]: a[1]
|
|
for a in attributes
|
|
if not (a[0].startswith("__") and a[0].endswith("__"))
|
|
}
|
|
|
|
|
|
if PY2:
|
|
import imp
|
|
|
|
string_types = (str, unicode)
|
|
|
|
def is_bytes(x):
|
|
return isinstance(x, (buffer, bytearray))
|
|
|
|
def path_to_unicode(path):
|
|
if isinstance(path, unicode):
|
|
return path
|
|
return path.decode(get_filesystem_encoding()).encode("utf-8")
|
|
|
|
def hashlib_encode_data(data):
|
|
if is_bytes(data):
|
|
return data
|
|
if isinstance(data, unicode):
|
|
data = data.encode(get_filesystem_encoding())
|
|
elif not isinstance(data, string_types):
|
|
data = str(data)
|
|
return data
|
|
|
|
def dump_json_to_unicode(obj):
|
|
if isinstance(obj, unicode):
|
|
return obj
|
|
return json.dumps(
|
|
obj, encoding=get_filesystem_encoding(), ensure_ascii=False, sort_keys=True
|
|
).encode("utf8")
|
|
|
|
_magic_check = re.compile("([*?[])")
|
|
_magic_check_bytes = re.compile(b"([*?[])")
|
|
|
|
def glob_escape(pathname):
|
|
"""Escape all special characters."""
|
|
# https://github.com/python/cpython/blob/master/Lib/glob.py#L161
|
|
# Escaping is done by wrapping any of "*?[" between square brackets.
|
|
# Metacharacters do not work in the drive part and shouldn't be
|
|
# escaped.
|
|
drive, pathname = os.path.splitdrive(pathname)
|
|
if isinstance(pathname, bytes):
|
|
pathname = _magic_check_bytes.sub(br"[\1]", pathname)
|
|
else:
|
|
pathname = _magic_check.sub(r"[\1]", pathname)
|
|
return drive + pathname
|
|
|
|
def load_python_module(name, pathname):
|
|
return imp.load_source(name, pathname)
|
|
|
|
|
|
else:
|
|
import importlib.util
|
|
from glob import escape as glob_escape
|
|
|
|
string_types = (str,)
|
|
|
|
def is_bytes(x):
|
|
return isinstance(x, (bytes, memoryview, bytearray))
|
|
|
|
def path_to_unicode(path):
|
|
return path
|
|
|
|
def hashlib_encode_data(data):
|
|
if is_bytes(data):
|
|
return data
|
|
if not isinstance(data, string_types):
|
|
data = str(data)
|
|
return data.encode()
|
|
|
|
def dump_json_to_unicode(obj):
|
|
if isinstance(obj, string_types):
|
|
return obj
|
|
return json.dumps(obj, ensure_ascii=False, sort_keys=True)
|
|
|
|
def load_python_module(name, pathname):
|
|
spec = importlib.util.spec_from_file_location(name, pathname)
|
|
module = importlib.util.module_from_spec(spec)
|
|
spec.loader.exec_module(module)
|
|
return module
|