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community[patch]: Change recommended entrypoint, bump versions (langc…
…hain-ai#4069) * Change recommended entrypoint * Update docs * Fix lint * Bump versions * Update lock
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,132 +1,7 @@ | ||
| import { z } from "zod"; | ||
| import { | ||
| CallbackManagerForToolRun, | ||
| Callbacks, | ||
| parseCallbackConfigArg, | ||
| } from "@langchain/core/callbacks/manager"; | ||
| import { StructuredTool, Tool, type ToolParams } from "@langchain/core/tools"; | ||
| import { RunnableConfig } from "@langchain/core/runnables"; | ||
|
|
||
| export interface BaseDynamicToolInput extends ToolParams { | ||
| name: string; | ||
| description: string; | ||
| returnDirect?: boolean; | ||
| } | ||
|
|
||
| /** | ||
| * Interface for the input parameters of the DynamicTool class. | ||
| */ | ||
| export interface DynamicToolInput extends BaseDynamicToolInput { | ||
| func: ( | ||
| input: string, | ||
| runManager?: CallbackManagerForToolRun | ||
| ) => Promise<string>; | ||
| } | ||
|
|
||
| /** | ||
| * Interface for the input parameters of the DynamicStructuredTool class. | ||
| */ | ||
| export interface DynamicStructuredToolInput< | ||
| // eslint-disable-next-line @typescript-eslint/no-explicit-any | ||
| T extends z.ZodObject<any, any, any, any> = z.ZodObject<any, any, any, any> | ||
| > extends BaseDynamicToolInput { | ||
| func: ( | ||
| input: z.infer<T>, | ||
| runManager?: CallbackManagerForToolRun | ||
| ) => Promise<string>; | ||
| schema: T; | ||
| } | ||
|
|
||
| /** | ||
| * A tool that can be created dynamically from a function, name, and description. | ||
| */ | ||
| export class DynamicTool extends Tool { | ||
| static lc_name() { | ||
| return "DynamicTool"; | ||
| } | ||
|
|
||
| name: string; | ||
|
|
||
| description: string; | ||
|
|
||
| func: DynamicToolInput["func"]; | ||
|
|
||
| constructor(fields: DynamicToolInput) { | ||
| super(fields); | ||
| this.name = fields.name; | ||
| this.description = fields.description; | ||
| this.func = fields.func; | ||
| this.returnDirect = fields.returnDirect ?? this.returnDirect; | ||
| } | ||
|
|
||
| async call( | ||
| arg: string | undefined | z.input<this["schema"]>, | ||
| configArg?: RunnableConfig | Callbacks | ||
| ): Promise<string> { | ||
| const config = parseCallbackConfigArg(configArg); | ||
| if (config.runName === undefined) { | ||
| config.runName = this.name; | ||
| } | ||
| return super.call(arg, config); | ||
| } | ||
|
|
||
| /** @ignore */ | ||
| async _call( | ||
| input: string, | ||
| runManager?: CallbackManagerForToolRun | ||
| ): Promise<string> { | ||
| return this.func(input, runManager); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * A tool that can be created dynamically from a function, name, and | ||
| * description, designed to work with structured data. It extends the | ||
| * StructuredTool class and overrides the _call method to execute the | ||
| * provided function when the tool is called. | ||
| */ | ||
| export class DynamicStructuredTool< | ||
| // eslint-disable-next-line @typescript-eslint/no-explicit-any | ||
| T extends z.ZodObject<any, any, any, any> = z.ZodObject<any, any, any, any> | ||
| > extends StructuredTool { | ||
| static lc_name() { | ||
| return "DynamicStructuredTool"; | ||
| } | ||
|
|
||
| name: string; | ||
|
|
||
| description: string; | ||
|
|
||
| func: DynamicStructuredToolInput["func"]; | ||
|
|
||
| schema: T; | ||
|
|
||
| constructor(fields: DynamicStructuredToolInput<T>) { | ||
| super(fields); | ||
| this.name = fields.name; | ||
| this.description = fields.description; | ||
| this.func = fields.func; | ||
| this.returnDirect = fields.returnDirect ?? this.returnDirect; | ||
| this.schema = fields.schema; | ||
| } | ||
|
|
||
| async call( | ||
| arg: z.output<T>, | ||
| configArg?: RunnableConfig | Callbacks, | ||
| /** @deprecated */ | ||
| tags?: string[] | ||
| ): Promise<string> { | ||
| const config = parseCallbackConfigArg(configArg); | ||
| if (config.runName === undefined) { | ||
| config.runName = this.name; | ||
| } | ||
| return super.call(arg, config, tags); | ||
| } | ||
|
|
||
| protected _call( | ||
| arg: z.output<T>, | ||
| runManager?: CallbackManagerForToolRun | ||
| ): Promise<string> { | ||
| return this.func(arg, runManager); | ||
| } | ||
| } | ||
| export { | ||
| type BaseDynamicToolInput, | ||
| type DynamicToolInput, | ||
| type DynamicStructuredToolInput, | ||
| DynamicTool, | ||
| DynamicStructuredTool, | ||
| } from "@langchain/core/tools"; |
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