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94 lines
2.2 KiB
94 lines
2.2 KiB
import uuid
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lower_alp = 'abcdefghijklmnopqrstuvwxyz'
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upper_alp = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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nums = '0123456789'
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base62alp = nums + lower_alp + upper_alp
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reserved_monet = ['month']
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def base62uuid(crop=8):
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_id = uuid.uuid4().int
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ret = ''
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while _id:
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ret = base62alp[_id % 62] + ret
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_id //= 62
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return ret[:crop] if len(ret) else '0'
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def get_legal_name(name, lower = True):
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if name is not None:
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if lower:
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name = name.lower()
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name = ''.join([n for n in name if n in base62alp or n == '_'])
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if name is None or len(name) == 0 or set(name) == set('_'):
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name = base62uuid(8)
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if(name[0] in nums):
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name = '_' + name
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return name
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def check_legal_name(name):
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all_underscores = True
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for c in name:
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if c not in base62alp and c != '_':
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return False
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if c != '_':
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all_underscores = False
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if all_underscores:
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return False
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if name[0] in nums:
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return False
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return True
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def enlist(l):
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return l if type(l) is list else [l]
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def seps(s, i, l):
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return s if i < len(l) - 1 else ''
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def has_other(a, b):
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for ai in a:
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if ai not in b:
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return True
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return False
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def defval(val, default):
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return default if val is None else val
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# escape must be readonly
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from typing import Set
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def remove_last(pattern : str, string : str, escape : Set[str] = set()) -> str:
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idx = string.rfind(pattern)
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if idx == -1:
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return string
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else:
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if set(string[idx:]).difference(escape):
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return string
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else:
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return string[:idx] + string[idx+1:]
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class _Counter:
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def __init__(self, cnt):
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self.cnt = cnt
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def inc(self, cnt = 1):
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self.cnt += cnt
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cnt = self.cnt - cnt
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return cnt
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import re
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ws = re.compile(r'\s+')
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import os
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def add_dll_dir(dll: str):
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import sys
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if sys.version_info.major >= 3 and sys.version_info.minor >7 and os.name == 'nt':
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os.add_dll_directory(dll)
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else:
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os.environ['PATH'] = os.path.abspath(dll) + os.pathsep + os.environ['PATH']
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nullstream = open(os.devnull, 'w')
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