|
1 |
| -"""Build field plan""" |
2 |
| - |
3 |
| -from __future__ import annotations |
4 |
| - |
5 |
| -import sys |
6 |
| -from typing import TYPE_CHECKING, Dict, NamedTuple |
7 |
| - |
8 |
| -from ..pyutils import RefMap, RefSet |
9 |
| -from .collect_fields import DeferUsage, FieldDetails |
10 |
| - |
11 |
| -if TYPE_CHECKING: |
12 |
| - from ..language import FieldNode |
13 |
| - |
14 |
| -try: |
15 |
| - from typing import TypeAlias |
16 |
| -except ImportError: # Python < 3.10 |
17 |
| - from typing_extensions import TypeAlias |
18 |
| - |
19 |
| -__all__ = [ |
20 |
| - "DeferUsageSet", |
21 |
| - "FieldGroup", |
22 |
| - "FieldPlan", |
23 |
| - "GroupedFieldSet", |
24 |
| - "NewGroupedFieldSetDetails", |
25 |
| - "build_field_plan", |
26 |
| -] |
27 |
| - |
28 |
| - |
29 |
| -DeferUsageSet: TypeAlias = RefSet[DeferUsage] |
30 |
| - |
31 |
| - |
32 |
| -class FieldGroup(NamedTuple): |
33 |
| - """A group of fields with defer usages.""" |
34 |
| - |
35 |
| - fields: list[FieldDetails] |
36 |
| - defer_usages: DeferUsageSet | None = None |
37 |
| - |
38 |
| - def to_nodes(self) -> list[FieldNode]: |
39 |
| - """Return the field nodes in this group.""" |
40 |
| - return [field_details.node for field_details in self.fields] |
41 |
| - |
42 |
| - |
43 |
| -if sys.version_info < (3, 9): |
44 |
| - GroupedFieldSet: TypeAlias = Dict[str, FieldGroup] |
45 |
| -else: # Python >= 3.9 |
46 |
| - GroupedFieldSet: TypeAlias = dict[str, FieldGroup] |
47 |
| - |
48 |
| - |
49 |
| -class NewGroupedFieldSetDetails(NamedTuple): |
50 |
| - """Details of a new grouped field set.""" |
51 |
| - |
52 |
| - grouped_field_set: GroupedFieldSet |
53 |
| - should_initiate_defer: bool |
54 |
| - |
55 |
| - |
56 |
| -class FieldPlan(NamedTuple): |
57 |
| - """A plan for executing fields.""" |
58 |
| - |
59 |
| - grouped_field_set: GroupedFieldSet |
60 |
| - new_grouped_field_set_details_map: RefMap[DeferUsageSet, NewGroupedFieldSetDetails] |
61 |
| - |
62 |
| - |
63 |
| -def build_field_plan( |
64 |
| - fields: dict[str, list[FieldDetails]], |
65 |
| - parent_defer_usages: DeferUsageSet | None = None, |
66 |
| -) -> FieldPlan: |
67 |
| - """Build a plan for executing fields.""" |
68 |
| - if parent_defer_usages is None: |
69 |
| - parent_defer_usages = RefSet() |
70 |
| - |
71 |
| - grouped_field_set: GroupedFieldSet = {} |
72 |
| - |
73 |
| - new_grouped_field_set_details_map: RefMap[ |
74 |
| - DeferUsageSet, NewGroupedFieldSetDetails |
75 |
| - ] = RefMap() |
76 |
| - |
77 |
| - map_: dict[str, tuple[DeferUsageSet, list[FieldDetails]]] = {} |
78 |
| - |
79 |
| - for response_key, field_details_list in fields.items(): |
80 |
| - defer_usage_set: RefSet[DeferUsage] = RefSet() |
81 |
| - in_original_result = False |
82 |
| - for field_details in field_details_list: |
83 |
| - defer_usage = field_details.defer_usage |
84 |
| - if defer_usage is None: |
85 |
| - in_original_result = True |
86 |
| - continue |
87 |
| - defer_usage_set.add(defer_usage) |
88 |
| - if in_original_result: |
89 |
| - defer_usage_set.clear() |
90 |
| - else: |
91 |
| - defer_usage_set -= { |
92 |
| - defer_usage |
93 |
| - for defer_usage in defer_usage_set |
94 |
| - if any( |
95 |
| - ancestor in defer_usage_set for ancestor in defer_usage.ancestors |
96 |
| - ) |
97 |
| - } |
98 |
| - map_[response_key] = (defer_usage_set, field_details_list) |
99 |
| - |
100 |
| - for response_key, [defer_usage_set, field_details_list] in map_.items(): |
101 |
| - if defer_usage_set == parent_defer_usages: |
102 |
| - field_group = grouped_field_set.get(response_key) |
103 |
| - if field_group is None: # pragma: no cover else |
104 |
| - field_group = FieldGroup([], defer_usage_set) |
105 |
| - grouped_field_set[response_key] = field_group |
106 |
| - field_group.fields.extend(field_details_list) |
107 |
| - continue |
108 |
| - |
109 |
| - for ( |
110 |
| - new_grouped_field_set_defer_usage_set, |
111 |
| - new_grouped_field_set_details, |
112 |
| - ) in new_grouped_field_set_details_map.items(): |
113 |
| - if new_grouped_field_set_defer_usage_set == defer_usage_set: |
114 |
| - new_grouped_field_set = new_grouped_field_set_details.grouped_field_set |
115 |
| - break |
116 |
| - else: |
117 |
| - new_grouped_field_set = {} |
118 |
| - new_grouped_field_set_details = NewGroupedFieldSetDetails( |
119 |
| - new_grouped_field_set, |
120 |
| - any( |
121 |
| - defer_usage not in parent_defer_usages |
122 |
| - for defer_usage in defer_usage_set |
123 |
| - ), |
124 |
| - ) |
125 |
| - new_grouped_field_set_details_map[defer_usage_set] = ( |
126 |
| - new_grouped_field_set_details |
127 |
| - ) |
128 |
| - |
129 |
| - field_group = new_grouped_field_set.get(response_key) |
130 |
| - if field_group is None: # pragma: no cover else |
131 |
| - field_group = FieldGroup([], defer_usage_set) |
132 |
| - new_grouped_field_set[response_key] = field_group |
133 |
| - field_group.fields.extend(field_details_list) |
134 |
| - |
135 |
| - return FieldPlan(grouped_field_set, new_grouped_field_set_details_map) |
| 1 | +"""Build field plan""" |
| 2 | + |
| 3 | +from __future__ import annotations |
| 4 | + |
| 5 | +import sys |
| 6 | +from typing import TYPE_CHECKING, Dict, NamedTuple |
| 7 | + |
| 8 | +from ..pyutils import RefMap, RefSet |
| 9 | +from .collect_fields import DeferUsage, FieldDetails |
| 10 | + |
| 11 | +if TYPE_CHECKING: |
| 12 | + from ..language import FieldNode |
| 13 | + |
| 14 | +try: |
| 15 | + from typing import TypeAlias |
| 16 | +except ImportError: # Python < 3.10 |
| 17 | + from typing_extensions import TypeAlias |
| 18 | + |
| 19 | +__all__ = [ |
| 20 | + "DeferUsageSet", |
| 21 | + "FieldGroup", |
| 22 | + "FieldPlan", |
| 23 | + "GroupedFieldSet", |
| 24 | + "NewGroupedFieldSetDetails", |
| 25 | + "build_field_plan", |
| 26 | +] |
| 27 | + |
| 28 | + |
| 29 | +DeferUsageSet: TypeAlias = RefSet[DeferUsage] |
| 30 | + |
| 31 | + |
| 32 | +class FieldGroup(NamedTuple): |
| 33 | + """A group of fields with defer usages.""" |
| 34 | + |
| 35 | + fields: list[FieldDetails] |
| 36 | + defer_usages: DeferUsageSet | None = None |
| 37 | + |
| 38 | + def to_nodes(self) -> list[FieldNode]: |
| 39 | + """Return the field nodes in this group.""" |
| 40 | + return [field_details.node for field_details in self.fields] |
| 41 | + |
| 42 | + |
| 43 | +if sys.version_info < (3, 9): |
| 44 | + GroupedFieldSet: TypeAlias = Dict[str, FieldGroup] |
| 45 | +else: # Python >= 3.9 |
| 46 | + GroupedFieldSet: TypeAlias = dict[str, FieldGroup] |
| 47 | + |
| 48 | + |
| 49 | +class NewGroupedFieldSetDetails(NamedTuple): |
| 50 | + """Details of a new grouped field set.""" |
| 51 | + |
| 52 | + grouped_field_set: GroupedFieldSet |
| 53 | + should_initiate_defer: bool |
| 54 | + |
| 55 | + |
| 56 | +class FieldPlan(NamedTuple): |
| 57 | + """A plan for executing fields.""" |
| 58 | + |
| 59 | + grouped_field_set: GroupedFieldSet |
| 60 | + new_grouped_field_set_details_map: RefMap[DeferUsageSet, NewGroupedFieldSetDetails] |
| 61 | + |
| 62 | + |
| 63 | +def build_field_plan( |
| 64 | + fields: dict[str, list[FieldDetails]], |
| 65 | + parent_defer_usages: DeferUsageSet | None = None, |
| 66 | +) -> FieldPlan: |
| 67 | + """Build a plan for executing fields.""" |
| 68 | + if parent_defer_usages is None: |
| 69 | + parent_defer_usages = RefSet() |
| 70 | + |
| 71 | + grouped_field_set: GroupedFieldSet = {} |
| 72 | + |
| 73 | + new_grouped_field_set_details_map: RefMap[ |
| 74 | + DeferUsageSet, NewGroupedFieldSetDetails |
| 75 | + ] = RefMap() |
| 76 | + |
| 77 | + map_: dict[str, tuple[DeferUsageSet, list[FieldDetails]]] = {} |
| 78 | + |
| 79 | + for response_key, field_details_list in fields.items(): |
| 80 | + defer_usage_set: RefSet[DeferUsage] = RefSet() |
| 81 | + in_original_result = False |
| 82 | + for field_details in field_details_list: |
| 83 | + defer_usage = field_details.defer_usage |
| 84 | + if defer_usage is None: |
| 85 | + in_original_result = True |
| 86 | + continue |
| 87 | + defer_usage_set.add(defer_usage) |
| 88 | + if in_original_result: |
| 89 | + defer_usage_set.clear() |
| 90 | + else: |
| 91 | + defer_usage_set -= { |
| 92 | + defer_usage |
| 93 | + for defer_usage in defer_usage_set |
| 94 | + if any( |
| 95 | + ancestor in defer_usage_set for ancestor in defer_usage.ancestors |
| 96 | + ) |
| 97 | + } |
| 98 | + map_[response_key] = (defer_usage_set, field_details_list) |
| 99 | + |
| 100 | + for response_key, [defer_usage_set, field_details_list] in map_.items(): |
| 101 | + if defer_usage_set == parent_defer_usages: |
| 102 | + field_group = grouped_field_set.get(response_key) |
| 103 | + if field_group is None: # pragma: no cover else |
| 104 | + field_group = FieldGroup([], defer_usage_set) |
| 105 | + grouped_field_set[response_key] = field_group |
| 106 | + field_group.fields.extend(field_details_list) |
| 107 | + continue |
| 108 | + |
| 109 | + for ( |
| 110 | + new_grouped_field_set_defer_usage_set, |
| 111 | + new_grouped_field_set_details, |
| 112 | + ) in new_grouped_field_set_details_map.items(): |
| 113 | + if new_grouped_field_set_defer_usage_set == defer_usage_set: |
| 114 | + new_grouped_field_set = new_grouped_field_set_details.grouped_field_set |
| 115 | + break |
| 116 | + else: |
| 117 | + new_grouped_field_set = {} |
| 118 | + new_grouped_field_set_details = NewGroupedFieldSetDetails( |
| 119 | + new_grouped_field_set, |
| 120 | + any( |
| 121 | + defer_usage not in parent_defer_usages |
| 122 | + for defer_usage in defer_usage_set |
| 123 | + ), |
| 124 | + ) |
| 125 | + new_grouped_field_set_details_map[defer_usage_set] = ( |
| 126 | + new_grouped_field_set_details |
| 127 | + ) |
| 128 | + |
| 129 | + field_group = new_grouped_field_set.get(response_key) |
| 130 | + if field_group is None: # pragma: no cover else |
| 131 | + field_group = FieldGroup([], defer_usage_set) |
| 132 | + new_grouped_field_set[response_key] = field_group |
| 133 | + field_group.fields.extend(field_details_list) |
| 134 | + |
| 135 | + return FieldPlan(grouped_field_set, new_grouped_field_set_details_map) |
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