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Class FromGraph

dask/array/_array_expr/_io.py:25–53  ·  view source on GitHub ↗

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23
24
25class FromGraph(IO):
26 _parameters = ["layer", "_meta", "chunks", "keys", "name_prefix"]
27
28 @functools.cached_property
29 def _meta(self):
30 return self.operand("_meta")
31
32 @functools.cached_property
33 def chunks(self):
34 return self.operand("chunks")
35
36 @functools.cached_property
37 def _name(self):
38 return self.operand("name_prefix") + "-" + self.deterministic_token
39
40 def _layer(self):
41 dsk = dict(self.operand("layer"))
42 # The name may not actually match the layers name therefore rewrite this
43 # using an alias
44 for k in self.operand("keys"):
45 if not isinstance(k, tuple):
46 raise TypeError(f"Expected tuple, got {type(k)}")
47 orig = dsk[k]
48 if not istask(orig):
49 del dsk[k]
50 dsk[(self._name, *k[1:])] = orig
51 else:
52 dsk[(self._name, *k[1:])] = k
53 return dsk
54
55
56class FromArray(IO):

Callers 1

from_graphFunction · 0.90

Calls

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Tested by

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