From e2c9b601a64ecbb912f19e795666f7e1c8642524 Mon Sep 17 00:00:00 2001
From: Alexander Rose <alex.rose@rcsb.org>
Date: Fri, 26 Jul 2019 16:36:27 -0700
Subject: [PATCH] wip, structure tools refactoring
---
src/mol-plugin/ui/controls.tsx | 245 +-----------------
src/mol-plugin/ui/structure/overpaint.tsx | 112 ++++++++
.../ui/structure/representation.tsx | 147 +++++++++++
src/mol-plugin/ui/structure/util.ts | 17 ++
4 files changed, 279 insertions(+), 242 deletions(-)
create mode 100644 src/mol-plugin/ui/structure/overpaint.tsx
create mode 100644 src/mol-plugin/ui/structure/representation.tsx
create mode 100644 src/mol-plugin/ui/structure/util.ts
diff --git a/src/mol-plugin/ui/controls.tsx b/src/mol-plugin/ui/controls.tsx
index b092ab5ed..d8c2af001 100644
--- a/src/mol-plugin/ui/controls.tsx
+++ b/src/mol-plugin/ui/controls.tsx
@@ -13,21 +13,11 @@ import { LociLabelEntry } from '../../mol-plugin/util/loci-label-manager';
import { IconButton, Icon } from './controls/common';
import { PluginStateObject } from '../../mol-plugin/state/objects';
import { StateTransforms } from '../../mol-plugin/state/transforms';
-import { StateTransformer, StateSelection, StateObjectCell, StateTransform, StateBuilder } from '../../mol-state';
+import { StateTransformer } from '../../mol-state';
import { ModelFromTrajectory } from '../../mol-plugin/state/transforms/model';
import { AnimationControls } from './state/animation';
-import { ParamDefinition as PD} from '../../mol-util/param-definition';
-import { ColorNames } from '../../mol-util/color/tables';
-import { ParameterControls } from './controls/parameters';
-import { formatMolScript } from '../../mol-script/language/expression-formatter';
-import { StructureElement, Structure, QueryContext, StructureSelection } from '../../mol-model/structure';
-import { isEmptyLoci, EmptyLoci } from '../../mol-model/loci';
-import { MolScriptBuilder } from '../../mol-script/language/builder';
-import { PluginContext } from '../context';
-import { StructureRepresentation3DHelpers } from '../state/transforms/representation';
-import { parseMolScript } from '../../mol-script/language/parser';
-import { transpileMolScript } from '../../mol-script/script/mol-script/symbols';
-import { compile } from '../../mol-script/runtime/query/compiler';
+import { OverpaintControls } from './structure/overpaint';
+import { RepresentationControls } from './structure/representation';
export class TrajectoryViewportControls extends PluginUIComponent<{}, { show: boolean, label: string }> {
state = { show: false, label: '' }
@@ -264,235 +254,6 @@ export class LociLabelControl extends PluginUIComponent<{}, { entries: ReadonlyA
}
}
-//
-
-function getExpression(loci: StructureElement.Loci | EmptyLoci) {
- const scriptExpression = isEmptyLoci(loci)
- ? MolScriptBuilder.struct.generator.empty()
- : StructureElement.Loci.toScriptExpression(loci)
- return formatMolScript(scriptExpression)
-}
-
-type OverpaintEachReprCallback = (update: StateBuilder.Root, repr: StateObjectCell<PluginStateObject.Molecule.Structure.Representation3D, StateTransform<typeof StateTransforms.Representation.StructureRepresentation3D>>, rootStructure: Structure, overpaint?: StateObjectCell<any, StateTransform<typeof StateTransforms.Representation.OverpaintStructureRepresentation3D>>) => void
-const OverpaintManagerTag = 'overpaint-controls'
-
-export class OverpaintControls extends PluginUIComponent<{}, { params: PD.Values<ReturnType<typeof OverpaintControls.getParams>> }> {
- state = { params: PD.getDefaultValues(OverpaintControls.getParams(this.plugin)) }
-
- static getParams = (plugin: PluginContext) => {
- const { types } = plugin.structureRepresentation.registry
- return {
- color: PD.Color(ColorNames.cyan),
- type: PD.MultiSelect(types.map(t => t[0]), types)
- }
- }
-
- componentDidMount() {
-
- }
-
- private async eachRepr(callback: OverpaintEachReprCallback) {
- const state = this.plugin.state.dataState;
- const reprs = state.select(StateSelection.Generators.ofType(PluginStateObject.Molecule.Structure.Representation3D));
-
- const update = state.build();
- for (const r of reprs) {
- const overpaint = state.select(StateSelection.Generators.ofTransformer(StateTransforms.Representation.OverpaintStructureRepresentation3D, r.transform.ref).withTag(OverpaintManagerTag));
-
- const structure = r.obj!.data.source.data
- const rootStructure = structure.parent || structure
-
- callback(update, r, rootStructure, overpaint[0])
- }
-
- await this.plugin.runTask(state.updateTree(update, { doNotUpdateCurrent: true }));
- }
-
- set = async (clear: boolean) => {
- await this.eachRepr((update, repr, rootStructure, overpaint) => {
- if (!this.state.params.type.includes(repr.params!.values.type.name)) return
-
- const loci = this.plugin.helpers.structureSelection.get(rootStructure)
- if (isEmptyLoci(loci) || loci.elements.length === 0) return
- const expression = getExpression(loci)
-
- const layer = {
- script: { language: 'mol-script', expression },
- color: this.state.params.color,
- clear
- }
-
- if (overpaint) {
- update.to(overpaint).update({ layers: [ ...overpaint.params!.values.layers, layer ], alpha: 1 })
- } else {
- update.to(repr.transform.ref)
- .apply(StateTransforms.Representation.OverpaintStructureRepresentation3D, { layers: [ layer ], alpha: 1 }, { tags: OverpaintManagerTag });
- }
- })
- }
-
- add = async () => {
- this.set(false)
- }
-
- clear = async () => {
- this.set(true)
- }
-
- clearAll = async () => {
- await this.eachRepr((update, repr, rootStructure, overpaint) => {
- if (overpaint) update.delete(overpaint.transform.ref)
- })
- }
-
- render() {
- return <div className='msp-transform-wrapper'>
- <div className='msp-transform-header'>
- <button className='msp-btn msp-btn-block'>Current Selection Overpaint</button>
- </div>
- <div>
- <ParameterControls params={OverpaintControls.getParams(this.plugin)} values={this.state.params} onChange={p => {
- const params = { ...this.state.params, [p.name]: p.value };
- this.setState({ params });
- }}/>
-
- <div className='msp-btn-row-group'>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.add}>Add</button>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.clear}>Clear</button>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.clearAll}>Clear All</button>
- </div>
- </div>
- </div>
- }
-}
-
-type RepresentationEachStructureCallback = (update: StateBuilder.Root, structure: StateObjectCell<PluginStateObject.Molecule.Structure, StateTransform<StateTransformer<any, PluginStateObject.Molecule.Structure, any>>>) => void
-const RepresentationManagerTag = 'representation-controls'
-
-function getRepresentationManagerTag(type: string) {
- return `${RepresentationManagerTag}-${type}`
-}
-
-function getCombinedLoci(mode: 'add' | 'remove' | 'only' | 'all', loci: StructureElement.Loci, currentLoci: StructureElement.Loci): StructureElement.Loci {
- switch (mode) {
- case 'add': return StructureElement.Loci.union(loci, currentLoci)
- case 'remove': return StructureElement.Loci.subtract(currentLoci, loci)
- case 'only': return loci
- case 'all': return StructureElement.Loci.all(loci.structure)
- }
-}
-
-export class RepresentationControls extends PluginUIComponent<{}, { params: PD.Values<ReturnType<typeof RepresentationControls.getParams>> }> {
- state = { params: PD.getDefaultValues(RepresentationControls.getParams(this.plugin)) }
-
- static getParams = (plugin: PluginContext) => {
- const { types } = plugin.structureRepresentation.registry
- return {
- type: PD.Select(types[0][0], types)
- }
- }
-
- componentDidMount() {
-
- }
-
- private async eachStructure(callback: RepresentationEachStructureCallback) {
- const state = this.plugin.state.dataState;
- const structures = state.select(StateSelection.Generators.rootsOfType(PluginStateObject.Molecule.Structure));
-
- const update = state.build();
- for (const s of structures) {
- callback(update, s)
- }
-
- await this.plugin.runTask(state.updateTree(update, { doNotUpdateCurrent: true }));
- }
-
- set = async (mode: 'add' | 'remove' | 'only' | 'all') => {
- const state = this.plugin.state.dataState
- const { type } = this.state.params
-
- await this.eachStructure((update, structure) => {
- const s = structure.obj!.data
- const _loci = this.plugin.helpers.structureSelection.get(s)
- const loci = isEmptyLoci(_loci) ? StructureElement.Loci(s, []) : _loci
-
- const selections = state.select(StateSelection.Generators.ofType(PluginStateObject.Molecule.Structure, structure.transform.ref).withTag(getRepresentationManagerTag(type)));
-
- if (selections.length > 0) {
- const parsed = parseMolScript(selections[0].params!.values.query.expression)
- if (parsed.length === 0) return
-
- const query = transpileMolScript(parsed[0])
- const compiled = compile(query)
- const result = compiled(new QueryContext(structure.obj!.data))
- const currentLoci = StructureSelection.toLoci2(result)
-
- const combinedLoci = getCombinedLoci(mode, loci, currentLoci)
-
- update.to(selections[0]).update({
- ...selections[0].params!.values,
- query: { language: 'mol-script', expression: getExpression(combinedLoci) }
- })
-
- } else {
- const combinedLoci = getCombinedLoci(mode, loci, StructureElement.Loci(loci.structure, []))
-
- update.to(structure.transform.ref)
- .apply(
- StateTransforms.Model.UserStructureSelection,
- {
- query: { language: 'mol-script', expression: getExpression(combinedLoci) },
- label: type
- },
- { tags: [ RepresentationManagerTag, getRepresentationManagerTag(type) ] }
- )
- .apply(
- StateTransforms.Representation.StructureRepresentation3D,
- StructureRepresentation3DHelpers.getDefaultParams(this.plugin, type as any, s)
- )
- }
- })
- }
-
- show = async () => { this.set('add') }
- hide = async () => { this.set('remove') }
- only = async () => { this.set('only') }
- showAll = async () => { this.set('all') }
-
- hideAll = async () => {
- const { type } = this.state.params
- const state = this.plugin.state.dataState;
- const update = state.build();
-
- state.select(StateSelection.Generators.ofType(PluginStateObject.Molecule.Structure).withTag(getRepresentationManagerTag(type))).forEach(structure => update.delete(structure.transform.ref));
-
- await this.plugin.runTask(state.updateTree(update, { doNotUpdateCurrent: true }));
- }
-
- render() {
- return <div className='msp-transform-wrapper'>
- <div className='msp-transform-header'>
- <button className='msp-btn msp-btn-block'>Current Selection Representation</button>
- </div>
- <div>
- <ParameterControls params={RepresentationControls.getParams(this.plugin)} values={this.state.params} onChange={p => {
- const params = { ...this.state.params, [p.name]: p.value };
- this.setState({ params });
- }}/>
-
- <div className='msp-btn-row-group'>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.show}>Show</button>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.hide}>Hide</button>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.only}>Only</button>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.showAll}>Show All</button>
- <button className='msp-btn msp-btn-block msp-form-control' onClick={this.hideAll}>Hide All</button>
- </div>
- </div>
- </div>
- }
-}
-
export class StructureToolsWrapper extends PluginUIComponent {
render() {
return <div>
diff --git a/src/mol-plugin/ui/structure/overpaint.tsx b/src/mol-plugin/ui/structure/overpaint.tsx
new file mode 100644
index 000000000..12f845a8d
--- /dev/null
+++ b/src/mol-plugin/ui/structure/overpaint.tsx
@@ -0,0 +1,112 @@
+/**
+ * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ *
+ * @author Alexander Rose <alexander.rose@weirdbyte.de>
+ */
+
+import * as React from 'react';
+import { PluginUIComponent } from '../base';
+import { PluginStateObject } from '../../../mol-plugin/state/objects';
+import { StateTransforms } from '../../../mol-plugin/state/transforms';
+import { StateSelection, StateObjectCell, StateTransform, StateBuilder } from '../../../mol-state';
+import { ParamDefinition as PD} from '../../../mol-util/param-definition';
+import { ColorNames } from '../../../mol-util/color/tables';
+import { ParameterControls } from '../controls/parameters';
+import { Structure } from '../../../mol-model/structure';
+import { isEmptyLoci } from '../../../mol-model/loci';
+import { PluginContext } from '../../context';
+import { getExpression } from './util';
+
+
+type OverpaintEachReprCallback = (update: StateBuilder.Root, repr: StateObjectCell<PluginStateObject.Molecule.Structure.Representation3D, StateTransform<typeof StateTransforms.Representation.StructureRepresentation3D>>, rootStructure: Structure, overpaint?: StateObjectCell<any, StateTransform<typeof StateTransforms.Representation.OverpaintStructureRepresentation3D>>) => void
+const OverpaintManagerTag = 'overpaint-controls'
+
+export class OverpaintControls extends PluginUIComponent<{}, { params: PD.Values<ReturnType<typeof OverpaintControls.getParams>> }> {
+ state = { params: PD.getDefaultValues(OverpaintControls.getParams(this.plugin)) }
+
+ static getParams = (plugin: PluginContext) => {
+ const { types } = plugin.structureRepresentation.registry
+ return {
+ color: PD.Color(ColorNames.cyan),
+ type: PD.MultiSelect(types.map(t => t[0]), types)
+ }
+ }
+
+ componentDidMount() {
+
+ }
+
+ private async eachRepr(callback: OverpaintEachReprCallback) {
+ const state = this.plugin.state.dataState;
+ const reprs = state.select(StateSelection.Generators.ofType(PluginStateObject.Molecule.Structure.Representation3D));
+
+ const update = state.build();
+ for (const r of reprs) {
+ const overpaint = state.select(StateSelection.Generators.ofTransformer(StateTransforms.Representation.OverpaintStructureRepresentation3D, r.transform.ref).withTag(OverpaintManagerTag));
+
+ const structure = r.obj!.data.source.data
+ const rootStructure = structure.parent || structure
+
+ callback(update, r, rootStructure, overpaint[0])
+ }
+
+ await this.plugin.runTask(state.updateTree(update, { doNotUpdateCurrent: true }));
+ }
+
+ set = async (clear: boolean) => {
+ await this.eachRepr((update, repr, rootStructure, overpaint) => {
+ if (!this.state.params.type.includes(repr.params!.values.type.name)) return
+
+ const loci = this.plugin.helpers.structureSelection.get(rootStructure)
+ if (isEmptyLoci(loci) || loci.elements.length === 0) return
+ const expression = getExpression(loci)
+
+ const layer = {
+ script: { language: 'mol-script', expression },
+ color: this.state.params.color,
+ clear
+ }
+
+ if (overpaint) {
+ update.to(overpaint).update({ layers: [ ...overpaint.params!.values.layers, layer ], alpha: 1 })
+ } else {
+ update.to(repr.transform.ref)
+ .apply(StateTransforms.Representation.OverpaintStructureRepresentation3D, { layers: [ layer ], alpha: 1 }, { tags: OverpaintManagerTag });
+ }
+ })
+ }
+
+ add = async () => {
+ this.set(false)
+ }
+
+ clear = async () => {
+ this.set(true)
+ }
+
+ clearAll = async () => {
+ await this.eachRepr((update, repr, rootStructure, overpaint) => {
+ if (overpaint) update.delete(overpaint.transform.ref)
+ })
+ }
+
+ render() {
+ return <div className='msp-transform-wrapper'>
+ <div className='msp-transform-header'>
+ <button className='msp-btn msp-btn-block'>Current Selection Overpaint</button>
+ </div>
+ <div>
+ <ParameterControls params={OverpaintControls.getParams(this.plugin)} values={this.state.params} onChange={p => {
+ const params = { ...this.state.params, [p.name]: p.value };
+ this.setState({ params });
+ }}/>
+
+ <div className='msp-btn-row-group'>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.add}>Add</button>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.clear}>Clear</button>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.clearAll}>Clear All</button>
+ </div>
+ </div>
+ </div>
+ }
+}
\ No newline at end of file
diff --git a/src/mol-plugin/ui/structure/representation.tsx b/src/mol-plugin/ui/structure/representation.tsx
new file mode 100644
index 000000000..74d35f0be
--- /dev/null
+++ b/src/mol-plugin/ui/structure/representation.tsx
@@ -0,0 +1,147 @@
+/**
+ * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ *
+ * @author Alexander Rose <alexander.rose@weirdbyte.de>
+ */
+
+import * as React from 'react';
+import { PluginUIComponent } from '../base';
+import { PluginStateObject } from '../../../mol-plugin/state/objects';
+import { StateTransforms } from '../../../mol-plugin/state/transforms';
+import { StateTransformer, StateSelection, StateObjectCell, StateTransform, StateBuilder } from '../../../mol-state';
+import { ParamDefinition as PD} from '../../../mol-util/param-definition';
+import { ParameterControls } from '../controls/parameters';
+import { StructureElement, QueryContext, StructureSelection } from '../../../mol-model/structure';
+import { isEmptyLoci } from '../../../mol-model/loci';
+import { PluginContext } from '../../context';
+import { getExpression } from './util';
+import { parseMolScript } from '../../../mol-script/language/parser';
+import { transpileMolScript } from '../../../mol-script/script/mol-script/symbols';
+import { compile } from '../../../mol-script/runtime/query/compiler';
+import { StructureRepresentation3DHelpers } from '../../state/transforms/representation';
+
+type RepresentationEachStructureCallback = (update: StateBuilder.Root, structure: StateObjectCell<PluginStateObject.Molecule.Structure, StateTransform<StateTransformer<any, PluginStateObject.Molecule.Structure, any>>>) => void
+const RepresentationManagerTag = 'representation-controls'
+
+function getRepresentationManagerTag(type: string) {
+ return `${RepresentationManagerTag}-${type}`
+}
+
+function getCombinedLoci(mode: 'add' | 'remove' | 'only' | 'all', loci: StructureElement.Loci, currentLoci: StructureElement.Loci): StructureElement.Loci {
+ switch (mode) {
+ case 'add': return StructureElement.Loci.union(loci, currentLoci)
+ case 'remove': return StructureElement.Loci.subtract(currentLoci, loci)
+ case 'only': return loci
+ case 'all': return StructureElement.Loci.all(loci.structure)
+ }
+}
+
+export class RepresentationControls extends PluginUIComponent<{}, { params: PD.Values<ReturnType<typeof RepresentationControls.getParams>> }> {
+ state = { params: PD.getDefaultValues(RepresentationControls.getParams(this.plugin)) }
+
+ static getParams = (plugin: PluginContext) => {
+ const { types } = plugin.structureRepresentation.registry
+ return {
+ type: PD.Select(types[0][0], types)
+ }
+ }
+
+ componentDidMount() {
+
+ }
+
+ private async eachStructure(callback: RepresentationEachStructureCallback) {
+ const state = this.plugin.state.dataState;
+ const structures = state.select(StateSelection.Generators.rootsOfType(PluginStateObject.Molecule.Structure));
+
+ const update = state.build();
+ for (const s of structures) {
+ callback(update, s)
+ }
+
+ await this.plugin.runTask(state.updateTree(update, { doNotUpdateCurrent: true }));
+ }
+
+ set = async (mode: 'add' | 'remove' | 'only' | 'all') => {
+ const state = this.plugin.state.dataState
+ const { type } = this.state.params
+
+ await this.eachStructure((update, structure) => {
+ const s = structure.obj!.data
+ const _loci = this.plugin.helpers.structureSelection.get(s)
+ const loci = isEmptyLoci(_loci) ? StructureElement.Loci(s, []) : _loci
+
+ const selections = state.select(StateSelection.Generators.ofType(PluginStateObject.Molecule.Structure, structure.transform.ref).withTag(getRepresentationManagerTag(type)));
+
+ if (selections.length > 0) {
+ const parsed = parseMolScript(selections[0].params!.values.query.expression)
+ if (parsed.length === 0) return
+
+ const query = transpileMolScript(parsed[0])
+ const compiled = compile(query)
+ const result = compiled(new QueryContext(structure.obj!.data))
+ const currentLoci = StructureSelection.toLoci2(result)
+
+ const combinedLoci = getCombinedLoci(mode, loci, currentLoci)
+
+ update.to(selections[0]).update({
+ ...selections[0].params!.values,
+ query: { language: 'mol-script', expression: getExpression(combinedLoci) }
+ })
+ } else {
+ const combinedLoci = getCombinedLoci(mode, loci, StructureElement.Loci(loci.structure, []))
+
+ update.to(structure.transform.ref)
+ .apply(
+ StateTransforms.Model.UserStructureSelection,
+ {
+ query: { language: 'mol-script', expression: getExpression(combinedLoci) },
+ label: type
+ },
+ { tags: [ RepresentationManagerTag, getRepresentationManagerTag(type) ] }
+ )
+ .apply(
+ StateTransforms.Representation.StructureRepresentation3D,
+ StructureRepresentation3DHelpers.getDefaultParams(this.plugin, type as any, s)
+ )
+ }
+ })
+ }
+
+ show = async () => { this.set('add') }
+ hide = async () => { this.set('remove') }
+ only = async () => { this.set('only') }
+ showAll = async () => { this.set('all') }
+
+ hideAll = async () => {
+ const { type } = this.state.params
+ const state = this.plugin.state.dataState;
+ const update = state.build();
+
+ state.select(StateSelection.Generators.ofType(PluginStateObject.Molecule.Structure).withTag(getRepresentationManagerTag(type))).forEach(structure => update.delete(structure.transform.ref));
+
+ await this.plugin.runTask(state.updateTree(update, { doNotUpdateCurrent: true }));
+ }
+
+ render() {
+ return <div className='msp-transform-wrapper'>
+ <div className='msp-transform-header'>
+ <button className='msp-btn msp-btn-block'>Current Selection Representation</button>
+ </div>
+ <div>
+ <ParameterControls params={RepresentationControls.getParams(this.plugin)} values={this.state.params} onChange={p => {
+ const params = { ...this.state.params, [p.name]: p.value };
+ this.setState({ params });
+ }}/>
+
+ <div className='msp-btn-row-group'>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.show}>Show</button>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.hide}>Hide</button>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.only}>Only</button>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.showAll}>Show All</button>
+ <button className='msp-btn msp-btn-block msp-form-control' onClick={this.hideAll}>Hide All</button>
+ </div>
+ </div>
+ </div>
+ }
+}
\ No newline at end of file
diff --git a/src/mol-plugin/ui/structure/util.ts b/src/mol-plugin/ui/structure/util.ts
new file mode 100644
index 000000000..ca17b74fe
--- /dev/null
+++ b/src/mol-plugin/ui/structure/util.ts
@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ *
+ * @author Alexander Rose <alexander.rose@weirdbyte.de>
+ */
+
+import { StructureElement } from '../../../mol-model/structure';
+import { EmptyLoci, isEmptyLoci } from '../../../mol-model/loci';
+import { MolScriptBuilder } from '../../../mol-script/language/builder';
+import { formatMolScript } from '../../../mol-script/language/expression-formatter';
+
+export function getExpression(loci: StructureElement.Loci | EmptyLoci) {
+ const scriptExpression = isEmptyLoci(loci)
+ ? MolScriptBuilder.struct.generator.empty()
+ : StructureElement.Loci.toScriptExpression(loci)
+ return formatMolScript(scriptExpression)
+}
\ No newline at end of file
--
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