#12868

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Build # #12868

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<a href="https://github.com/datajoint/datajoint-python/commit/<a class=hub.com/datajoint/datajoint-python/commit/<a class="double-link" href="https://git"><a class=hub.com/datajoint/datajoint-python/commit/<a class="double-link" href="https://git"><a class=hub.com/datajoint/datajoint-python/commit/555c2b6bdb9d08610421002657528ac5a3e2b7f7">555c2b6bd<a href="https://github.com/datajoint/datajoint-python/commit/555c2b6bdb9d08610421002657528ac5a3e2b7f7">&quot;&gt;&amp;lt;a href=&amp;quot;https://github.com/datajoint/datajoint-python/commit/&lt;/a&gt;&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/datajoint/datajoint-python/commit/&amp;lt;a class=&amp;quot;double-link&amp;quot; href=&amp;quot;https://git&quot;&gt;&amp;lt;a class=&lt;/a&gt;hub.com/datajoint/datajoint-python/commit/555c2b6bdb9d08610421002657528ac5a3e2b7f7&quot;&gt;555c2b6bd&lt;/a&gt;&lt;a href=&quot;https://github.com/datajoint/datajoint-python/commit/555c2b6bdb9d08610421002657528ac5a3e2b7f7&quot;&gt;&amp;lt;a href=&amp;quot;https://github.com/datajoint/datajoint-python/commit/555c2b6bdb9d08610421002657528ac5&lt;/a&gt;a3e2b7f7&quot;>&quot;&gt;Merge &lt;/a&gt;&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/datajoint/datajoint-python/commit/&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/datajoint/datajoint-python/commit/<a class="double-link" href="https://github.com/datajoint/datajoint-python/commit/94804352b336cfb4c047ecd4e687c9643a7b3e47">94804352b</a><a href="https://github.com/datajoint/datajoint-python/commit/555c2b6bdb9d08610421002657528ac5a3e2b7f7">&amp;quot;&amp;gt;94804352b&amp;lt;/a&amp;gt;&amp;quot;&amp;gt;94804352b&amp;lt;/a&amp;gt;&amp;lt;a href=&amp;quot;https://github.com/datajoint/datajoint-python/commit/555c2b6bdb9d08610421002657528ac5a3e2b&lt;/a&gt;7f7&quot;&gt; into &lt;/a&gt;&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/datajoint/datajoint-python/commit/<a class="double-link" href="https://github.com/datajoint/datajoint-python/commit/e339d465f">e339d465f">e339d465f</a>

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65.22

/datajoint/attribute_adapter.py

import re
from .errors import DataJointError, _support_adapted_types
from .plugin import type_plugins


class AttributeAdapter:
    """
    Base class for adapter objects for user-defined attribute types.
    """

    @property
    def attribute_type(self):
        """
        :return: a supported DataJoint attribute type to use; e.g. "longblob", "blob@store"
        """
        raise NotImplementedError("Undefined attribute adapter")

    def get(self, value):
        """
        convert value retrieved from the the attribute in a table into the adapted type

        :param value: value from the database

        :return: object of the adapted type
        """
        raise NotImplementedError("Undefined attribute adapter")

    def put(self, obj):
        """
        convert an object of the adapted type into a value that DataJoint can store in a table attribute

        :param obj: an object of the adapted type
        :return: value to store in the database
        """
        raise NotImplementedError("Undefined attribute adapter")


def get_adapter(context, adapter_name):
    """
    Extract the AttributeAdapter object by its name from the context and validate.
    """
    if not _support_adapted_types():
        raise DataJointError("Support for Adapted Attribute types is disabled.")
    adapter_name = adapter_name.lstrip("<").rstrip(">")
    try:
        adapter = (
            context[adapter_name]
            if adapter_name in context
            else type_plugins[adapter_name]["object"].load()
        )
    except KeyError:
        raise DataJointError(
            "Attribute adapter '{adapter_name}' is not defined.".format(
                adapter_name=adapter_name
            )
        )
    if not isinstance(adapter, AttributeAdapter):
        raise DataJointError(
            "Attribute adapter '{adapter_name}' must be an instance of datajoint.AttributeAdapter".format(
                adapter_name=adapter_name
            )
        )
    if not isinstance(adapter.attribute_type, str) or not re.match(
        r"^\w", adapter.attribute_type
    ):
        raise DataJointError(
            "Invalid attribute type {type} in attribute adapter '{adapter_name}'".format(
                type=adapter.attribute_type, adapter_name=adapter_name
            )
        )
    return adapter

1	import re	1✔
2	from .errors import DataJointError, _support_adapted_types	1✔
3	from .plugin import type_plugins	1✔
4
5
6	class AttributeAdapter:	1✔
7	"""
8	Base class for adapter objects for user-defined attribute types.
9	"""
10
11	@property	1✔
12	def attribute_type(self):
13	"""
14	:return: a supported DataJoint attribute type to use; e.g. "longblob", "blob@store"
15	"""
16	raise NotImplementedError("Undefined attribute adapter")	×
17
18	def get(self, value):	1✔
19	"""
20	convert value retrieved from the the attribute in a table into the adapted type
21
22	:param value: value from the database
23
24	:return: object of the adapted type
25	"""
26	raise NotImplementedError("Undefined attribute adapter")	×
27
28	def put(self, obj):	1✔
29	"""
30	convert an object of the adapted type into a value that DataJoint can store in a table attribute
31
32	:param obj: an object of the adapted type
33	:return: value to store in the database
34	"""
35	raise NotImplementedError("Undefined attribute adapter")	×
36
37
38	def get_adapter(context, adapter_name):	1✔
39	"""
40	Extract the AttributeAdapter object by its name from the context and validate.
41	"""
42	if not _support_adapted_types():	1✔
43	raise DataJointError("Support for Adapted Attribute types is disabled.")	×
44	adapter_name = adapter_name.lstrip("<").rstrip(">")	1✔
45	try:	1✔
46	adapter = (	1✔
47	context[adapter_name]
48	if adapter_name in context
49	else type_plugins[adapter_name]["object"].load()
50	)
51	except KeyError:	×
52	raise DataJointError(	×
53	"Attribute adapter '{adapter_name}' is not defined.".format(
54	adapter_name=adapter_name
55	)
56	)
57	if not isinstance(adapter, AttributeAdapter):	1✔
58	raise DataJointError(	×
59	"Attribute adapter '{adapter_name}' must be an instance of datajoint.AttributeAdapter".format(
60	adapter_name=adapter_name
61	)
62	)
63	if not isinstance(adapter.attribute_type, str) or not re.match(	1✔
64	r"^\w", adapter.attribute_type
65	):
66	raise DataJointError(	×
67	"Invalid attribute type {type} in attribute adapter '{adapter_name}'".format(
68	type=adapter.attribute_type, adapter_name=adapter_name
69	)
70	)
71	return adapter	1✔

datajoint / datajoint-python / #12868

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