/usr/lib/python2.7/dist-packages/azure/storage/_common_conversion.py is in python-azure-storage 0.33.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) Microsoft. All rights reserved.
#
# 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.
#--------------------------------------------------------------------------
import base64
import hashlib
import hmac
import sys
from dateutil.tz import tzutc
from .models import (
_unicode_type,
)
if sys.version_info < (3,):
def _str(value):
if isinstance(value, unicode):
return value.encode('utf-8')
return str(value)
else:
_str = str
def _to_str(value):
return _str(value) if value is not None else None
def _int_to_str(value):
return str(int(value)) if value is not None else None
def _bool_to_str(value):
if value is None:
return None
if isinstance(value, bool):
if value:
return 'true'
else:
return 'false'
return str(value)
def _to_utc_datetime(value):
return value.strftime('%Y-%m-%dT%H:%M:%SZ')
def _datetime_to_utc_string(value):
# Azure expects the date value passed in to be UTC.
# Azure will always return values as UTC.
# If a date is passed in without timezone info, it is assumed to be UTC.
if value is None:
return None
if value.tzinfo:
value = value.astimezone(tzutc())
return value.strftime('%a, %d %b %Y %H:%M:%S GMT')
def _encode_base64(data):
if isinstance(data, _unicode_type):
data = data.encode('utf-8')
encoded = base64.b64encode(data)
return encoded.decode('utf-8')
def _decode_base64_to_bytes(data):
if isinstance(data, _unicode_type):
data = data.encode('utf-8')
return base64.b64decode(data)
def _decode_base64_to_text(data):
decoded_bytes = _decode_base64_to_bytes(data)
return decoded_bytes.decode('utf-8')
def _sign_string(key, string_to_sign, key_is_base64=True):
if key_is_base64:
key = _decode_base64_to_bytes(key)
else:
if isinstance(key, _unicode_type):
key = key.encode('utf-8')
if isinstance(string_to_sign, _unicode_type):
string_to_sign = string_to_sign.encode('utf-8')
signed_hmac_sha256 = hmac.HMAC(key, string_to_sign, hashlib.sha256)
digest = signed_hmac_sha256.digest()
encoded_digest = _encode_base64(digest)
return encoded_digest
def _get_content_md5(data):
md5 = hashlib.md5()
md5.update(data)
return base64.b64encode(md5.digest()).decode('utf-8')
def _lower(text):
return text.lower()
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