/
form.py
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/
form.py
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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward-1.0/blob/main/LICENSE
from __future__ import absolute_import
import json
import awkward as ak
np = ak.nplike.NumpyMetadata.instance()
def from_iter(input):
if input is None:
return None
if ak._util.isstr(input):
return ak._v2.forms.numpyform.NumpyForm(primitive=input)
assert isinstance(input, dict)
has_identifier = input.get("has_identifier", input.get("has_identities", False))
parameters = input.get("parameters", None)
form_key = input.get("form_key", None)
if input["class"] == "NumpyArray":
primitive = input["primitive"]
inner_shape = input.get("inner_shape", [])
return ak._v2.forms.numpyform.NumpyForm(
primitive, inner_shape, has_identifier, parameters, form_key
)
elif input["class"] == "EmptyArray":
return ak._v2.forms.emptyform.EmptyForm(has_identifier, parameters, form_key)
elif input["class"] == "RegularArray":
return ak._v2.forms.regularform.RegularForm(
content=from_iter(input["content"]),
size=input["size"],
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] in ("ListArray", "ListArray32", "ListArrayU32", "ListArray64"):
return ak._v2.forms.listform.ListForm(
starts=input["starts"],
stops=input["stops"],
content=from_iter(input["content"]),
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] in (
"ListOffsetArray",
"ListOffsetArray32",
"ListOffsetArrayU32",
"ListOffsetArray64",
):
return ak._v2.forms.listoffsetform.ListOffsetForm(
offsets=input["offsets"],
content=from_iter(input["content"]),
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] == "RecordArray":
if isinstance(input["contents"], dict):
contents = []
keys = []
for key, content in input["contents"].items():
contents.append(from_iter(content))
keys.append(key)
else:
contents = [from_iter(content) for content in input["contents"]]
keys = None
return ak._v2.forms.recordform.RecordForm(
contents=contents,
keys=keys,
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] in (
"IndexedArray",
"IndexedArray32",
"IndexedArrayU32",
"IndexedArray64",
):
return ak._v2.forms.indexedform.IndexedForm(
index=input["index"],
content=from_iter(input["content"]),
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] in (
"IndexedOptionArray",
"IndexedOptionArray32",
"IndexedOptionArray64",
):
return ak._v2.forms.indexedoptionform.IndexedOptionForm(
index=input["index"],
content=from_iter(input["content"]),
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] == "ByteMaskedArray":
return ak._v2.forms.bytemaskedform.ByteMaskedForm(
mask=input["mask"],
content=from_iter(input["content"]),
valid_when=input["valid_when"],
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] == "BitMaskedArray":
return ak._v2.forms.bitmaskedform.BitMaskedForm(
mask=input["mask"],
content=from_iter(input["content"]),
valid_when=input["valid_when"],
lsb_order=input["lsb_order"],
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] == "UnmaskedArray":
return ak._v2.forms.unmaskedform.UnmaskedForm(
content=from_iter(input["content"]),
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] in (
"UnionArray",
"UnionArray8_32",
"UnionArray8_U32",
"UnionArray8_64",
):
return ak._v2.forms.unionform.UnionForm(
tags=input["tags"],
index=input["index"],
contents=[from_iter(content) for content in input["contents"]],
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
elif input["class"] == "VirtualArray":
return ak._v2.forms.virtualform.VirtualForm(
form=from_iter(input["form"]),
has_length=input["has_length"],
has_identifier=has_identifier,
parameters=parameters,
form_key=form_key,
)
else:
raise ValueError(
"Input class: {0} was not recognised".format(repr(input["class"]))
)
def from_json(input):
return from_iter(json.loads(input))
def _parameters_equal(one, two):
if one is None and two is None:
return True
elif one is None:
for value in two.values():
if value is not None:
return False
else:
return True
elif two is None:
for value in one.values():
if value is not None:
return False
else:
return True
else:
keys = set(one.keys()).union(two.keys())
for key in keys:
if one.get(key) != two.get(key):
return False
else:
return True
def _parameters_update(one, two):
for k, v in two.items():
if v is not None:
one[k] = v
def nonvirtual(form):
if isinstance(form, ak._v2.forms.virtualform.VirtualForm):
return form.form
else:
return form
class Form(object):
def _init(self, has_identifier, parameters, form_key):
if not isinstance(has_identifier, bool):
raise TypeError(
"{0} 'has_identifier' must be of type bool, not {1}".format(
type(self).__name__, repr(has_identifier)
)
)
if parameters is not None and not isinstance(parameters, dict):
raise TypeError(
"{0} 'parameters' must be of type dict or None, not {1}".format(
type(self).__name__, repr(parameters)
)
)
if form_key is not None and not ak._util.isstr(form_key):
raise TypeError(
"{0} 'form_key' must be of type string or None, not {1}".format(
type(self).__name__, repr(form_key)
)
)
self._has_identifier = has_identifier
self._parameters = parameters
self._form_key = form_key
@property
def has_identifier(self):
return self._has_identifier
@property
def parameters(self):
if self._parameters is None:
self._parameters = {}
return self._parameters
def parameter(self, key):
if self._parameters is None:
return None
else:
return self._parameters.get(key)
@property
def form_key(self):
return self._form_key
def __str__(self):
return json.dumps(self.tolist(verbose=False), indent=4)
def tolist(self, verbose=True):
return self._tolist_part(verbose, toplevel=True)
def _tolist_extra(self, out, verbose):
if verbose or self._has_identifier:
out["has_identifier"] = self._has_identifier
if verbose or (self._parameters is not None and len(self._parameters) > 0):
out["parameters"] = self.parameters
if verbose or self._form_key is not None:
out["form_key"] = self._form_key
return out
def to_json(self):
return json.dumps(self.tolist(verbose=True))
def _repr_args(self):
out = []
if self._has_identifier is not False:
out.append("has_identifier=" + repr(self._has_identifier))
if self._parameters is not None and len(self._parameters) > 0:
out.append("parameters=" + repr(self._parameters))
if self._form_key is not None:
out.append("form_key=" + repr(self._form_key))
return out
def simplify_optiontype(self):
return self
def simplify_uniontype(self):
return self