mirror of
https://github.com/peridotbuild/pv2.git
synced 2024-11-21 20:51:26 +00:00
89 lines
2.2 KiB
Python
89 lines
2.2 KiB
Python
"""
|
|
Generic functions
|
|
"""
|
|
import datetime
|
|
import hashlib
|
|
from urllib.parse import quote as urlquote
|
|
from pv2.util import error as err
|
|
|
|
# General utilities
|
|
__all__ = [
|
|
'ordered',
|
|
'conv_multibyte',
|
|
'to_unicode',
|
|
'convert_from_unix_time',
|
|
'trim_non_empty_string',
|
|
'gen_bool_option',
|
|
'generate_password_hash'
|
|
]
|
|
|
|
def to_unicode(string: str) -> str:
|
|
"""
|
|
Convert to unicode
|
|
"""
|
|
if isinstance(string, bytes):
|
|
return string.decode('utf8')
|
|
if isinstance(string, str):
|
|
return string
|
|
return str(string)
|
|
|
|
def conv_multibyte(data):
|
|
"""
|
|
Convert to multibytes
|
|
"""
|
|
potential_sum = 0
|
|
num = len(data)
|
|
for i in range(num):
|
|
potential_sum += data[i] << (8 * (num - i - 1))
|
|
return potential_sum
|
|
|
|
def ordered(data):
|
|
"""
|
|
Lazy ordering
|
|
"""
|
|
if isinstance(data, int):
|
|
return data
|
|
return ord(data)
|
|
|
|
def convert_from_unix_time(timestamp: int) -> str:
|
|
"""
|
|
Convert UNIX time to a timestamp
|
|
"""
|
|
return datetime.datetime.fromtimestamp(timestamp).strftime('%Y-%m-%dT%H:%M:%S')
|
|
|
|
def trim_non_empty_string(key, value) -> str:
|
|
"""
|
|
Verify that a given value is a non-empty string
|
|
"""
|
|
if not isinstance(value, str) or not value.strip():
|
|
raise err.ProvidedValueError(f'{key} must be a non-empty string')
|
|
return value
|
|
|
|
def gen_bool_option(value) -> str:
|
|
"""
|
|
Helps convert a value to how dnf and other configs interpret a boolean config value.
|
|
|
|
This should accept bool, string, or int and will act accordingly.
|
|
"""
|
|
return '1' if value and value != '0' else '0'
|
|
|
|
def generate_password_hash(password: str, salt: str, hashtype: str = 'sha256') -> str:
|
|
"""
|
|
Generates a password hash with a given hash type and salt
|
|
"""
|
|
if hashtype in ('sha', 'sha1', 'md5'):
|
|
raise err.ProvidedValueError(f'{hashtype} is not allowed.')
|
|
|
|
hasher = hashlib.new(hashtype)
|
|
hasher.update((salt + password).encode('utf-8'))
|
|
return str(hasher.hexdigest())
|
|
|
|
def safe_encoding(data: str) -> str:
|
|
"""
|
|
Does url quoting for safe encoding
|
|
"""
|
|
quoter = urlquote(data, safe='/+')
|
|
# the urllib library currently doesn't reserve this
|
|
quoter = quoter.replace('~', '%7e')
|
|
return quoter
|