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Source code for galaxy.schema.fields

import re

ENCODED_DATABASE_ID_PATTERN = re.compile('[0-9a-f]+')

[docs]class EncodedDatabaseIdField(str): """ Encoded Database ID validation. """ @classmethod def __get_validators__(cls): # one or more validators may be yielded which will be called in the # order to validate the input, each validator will receive as an input # the value returned from the previous validator yield cls.validate @classmethod def __modify_schema__(cls, field_schema): # __modify_schema__ should mutate the dict it receives in place, # the returned value will be ignored field_schema.update( min_length=16, pattern='[0-9a-fA-F]+', examples=['0123456789ABCDEF'], )
[docs] @classmethod def validate(cls, v): if not isinstance(v, str): raise TypeError('String required') if v.startswith("F"): # Library Folder ids start with an additional "F" len_v = len(v) - 1 else: len_v = len(v) if len_v % ENCODED_ID_LENGTH_MULTIPLE: raise ValueError('Invalid id length, must be multiple of 16') v = v.lower() m = ENCODED_DATABASE_ID_PATTERN.fullmatch(v) if not m: raise ValueError('Invalid characters in encoded ID') return cls(v)
def __repr__(self): return f'EncodedDatabaseID ({super().__repr__()})'