42     def from_raw(cls, raw, **extra):  argument
44             if extra:
46                 raise NotImplementedError((raw, extra))
51             return cls(raw, **extra)
53             raise NotImplementedError((raw, extra))
56     def from_resolved(cls, item, resolved, **extra):  argument
58             return cls(item, typedecl=resolved, **extra)
60             typedeps, extra = cls._parse_raw_resolved(item, resolved, extra)
63                     raise NotImplementedError((item, resolved, extra))
65                 raise NotImplementedError((item, resolved, extra))
66             return cls(item, typedeps, **extra or {})
73             typedeps, extra = resolved
75             typedeps = extra = None
76         if extra:
78             extra = dict(extra_extra, **extra)
80             return typedeps, extra
83             return UNKNOWN, extra
86             return typedeps, extra
88             raise NotImplementedError((item, typedeps, extra))
89         return typedeps, extra
91     def __init__(self, item, typedecl=None, **extra):  argument
111         self._extra = extra
118         extra = self._extra
123         for key, value in extra.items():
248         extra = self._render_extra(fmt)
249         if not extra:
253             extra, = extra
259             for line in extra:
276     def build_item(cls, info, resolved=None, **extra):  argument
278             return cls._item_class.from_raw(info, **extra)
280             return cls._item_class.from_resolved(info, resolved, **extra)