Source code for openpyxl.descriptors

# Copyright (c) 2010-2019 openpyxl

from .base import *
from .sequence import Sequence


[docs]class MetaStrict(type): def __new__(cls, clsname, bases, methods): for k, v in methods.items(): if isinstance(v, Descriptor): v.name = k return type.__new__(cls, clsname, bases, methods)
[docs]class MetaSerialisable(type): def __new__(cls, clsname, bases, methods): attrs = [] nested = [] elements = [] namespaced = [] for k, v in methods.items(): if isinstance(v, Descriptor): ns= getattr(v, 'namespace', None) if ns: namespaced.append((k, "{%s}%s" % (ns, k))) if getattr(v, 'nested', False): nested.append(k) elements.append(k) elif isinstance(v, Sequence): elements.append(k) elif isinstance(v, Typed): if hasattr(v.expected_type, 'to_tree'): elements.append(k) else: attrs.append(k) else: if not isinstance(v, Alias): attrs.append(k) if methods.get('__attrs__') is None: methods['__attrs__'] = tuple(attrs) methods['__namespaced__'] = tuple(namespaced) if methods.get('__nested__') is None: methods['__nested__'] = tuple(sorted(nested)) if methods.get('__elements__') is None: methods['__elements__'] = tuple(sorted(elements)) return MetaStrict.__new__(cls, clsname, bases, methods)
Strict = MetaStrict('Strict', (object,), {}) _Serialiasable = MetaSerialisable('_Serialisable', (object,), {}) #del MetaStrict #del MetaSerialisable