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* v3.0 - remove Python 2.x from build (#983) * Change travis to only compile for p3.6+ * Changed tox to only run Python 3.6+ * Changed library classifiers to reflect support in Python 3.6+ * Changed version to 3.0.0 development In [15]: get_version((3, 0, 0, "alpha", 0)) Out[15]: '3.0.dev20190601212304' * Reorganize Tests (#985) We no longer need a dedicated folder for Python3.6+ tests We no longer need to check six.PY3 in tests * Upgrade black to 19.3b0 (#987) * Remove six dependency (#986) * No one is using func_name * Remove six simple usages * Remove six requirement * Remove `six.with_metaclass` calls * pytest-asyncio should be a regular dependency now with Py3 move * Change dependency to graphql-core-next (#988) * Changed dependencies to core-next * Converted Scalars * ResolveInfo name change * Ignore .venv * Make Schema compatible with GraphQL-core-next * Ignore more venv names and mypy and pytest caches * Remove print statements for debugging in schema test * core-next now provides out_type and out_name * Adapt date and time scalar types to core-next * Ignore the non-standard result.invalid flag * Results are named tuples in core-next (immutable) * Enum values are returned as dict in core-next * Fix mutation tests with promises * Make all 345 tests pass with graphql-core-next * Remove the compat module which was only needed for older Py version * Remove object as base class (not needed in Py 3) * We can assume that dicts are ordered in Py 3.6+ * Make use of the fact that dicts are iterable * Use consistent style of importing from pytest * Restore compatibility with graphql-relay-py v3 Add adpaters for the PageInfo and Connection args. * Avoid various deprecation warnings * Use graphql-core 3 instead of graphql-core-next * Update dependencies, reformat changes with black * Update graphene/relay/connection.py Co-Authored-By: Jonathan Kim <jkimbo@gmail.com> * Run black on setup.py * Remove trailing whitespace
50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
from __future__ import unicode_literals
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from graphql.language.ast import (
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BooleanValueNode,
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FloatValueNode,
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IntValueNode,
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ListValueNode,
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ObjectValueNode,
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StringValueNode,
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)
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from graphene.types.scalars import MAX_INT, MIN_INT
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from .scalars import Scalar
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class GenericScalar(Scalar):
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"""
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The `GenericScalar` scalar type represents a generic
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GraphQL scalar value that could be:
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String, Boolean, Int, Float, List or Object.
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"""
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@staticmethod
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def identity(value):
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return value
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serialize = identity
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parse_value = identity
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@staticmethod
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def parse_literal(ast):
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if isinstance(ast, (StringValueNode, BooleanValueNode)):
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return ast.value
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elif isinstance(ast, IntValueNode):
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num = int(ast.value)
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if MIN_INT <= num <= MAX_INT:
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return num
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elif isinstance(ast, FloatValueNode):
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return float(ast.value)
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elif isinstance(ast, ListValueNode):
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return [GenericScalar.parse_literal(value) for value in ast.values]
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elif isinstance(ast, ObjectValueNode):
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return {
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field.name.value: GenericScalar.parse_literal(field.value)
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for field in ast.fields
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}
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else:
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return None
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