Added notes on type conversion (b26c8965) · Commits · OpenFlexure / openflexure-microscope-server

openflexure_microscope/common/flask_labthings/fields.py

+9 −2

Original line number	Diff line number	Diff line
		@@ -11,7 +11,13 @@ from decimal import Decimal
		from typing import Dict, List, Tuple, Union
		from uuid import UUID

		# TODO: Use this to convert arbitrary dictionary into its own schema, for W3C TD
		"""
		TODO: Use this to convert arbitrary dictionary into its own schema, for W3C TD

		First: Convert Python non-builtins to builtins using DEFAULT_BUILTIN_CONVERSIONS
		Then match types of each element to Field using DEFAULT_TYPE_MAPPING
		Finally convert Fields to JSON using converter (preferred due to extra metadata), or DEFAULT_FIELD_MAPPING
		"""
		# Python types to Marshmallow fields
		DEFAULT_TYPE_MAPPING = {
		bool: Boolean,
		@@ -48,10 +54,11 @@ def to_string(o):


		# Map of Python type conversions
		DEFAULT_TYPE_CONVERSIONS = {
		DEFAULT_BUILTIN_CONVERSIONS = {
		"numpy.ndarray": ndarray_to_list,
		"numpy.int": to_int,
		"fractions.Fraction": to_float,
		}

		# Use with [x.__module__+"."+x.__name__ for x in inspect.getmro(type(POSSIBLE_MATCHER))]
		# Resulting array will contain strings with the same format as keys in DEFAULT_BUILTIN_CONVERSIONS