Spaces:
Paused
Paused
File size: 5,405 Bytes
0e759d2 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 |
import { z } from "zod";
import { logger as _logger } from "../../../lib/logger";
import { robustFetch } from "./fetch";
import fs from "fs/promises";
import { configDotenv } from "dotenv";
configDotenv();
// Define schemas outside the function scope
const tokenUsageDetailSchema = z.object({
input_tokens: z.number().int(),
output_tokens: z.number().int(),
total_cost: z.number().nullable(), // Allows number or null
});
// Schema for an individual scraped page object
const scrapedPageSchema = z.object({
html: z.string(),
reason: z.string(),
page: z.union([z.string(), z.number()]),
});
// Main schema for the structure returned by the smart-scrape endpoint
const smartScrapeResultSchema = z.object({
sessionId: z.string(),
success: z.boolean(),
scrapedPages: z.array(scrapedPageSchema),
tokenUsage: z.number(),
// z.record(
// z.string(), // Key is the model name (string)
// tokenUsageDetailSchema, // Value matches the detail schema
// ),
});
// Infer the TypeScript type from the Zod schema
export type SmartScrapeResult = z.infer<typeof smartScrapeResultSchema>;
/**
* Sends a POST request to the internal /smart-scrape endpoint to extract
* structured data from a URL based on a prompt.
*
* @param url The URL of the page to scrape.
* @param prompt The prompt guiding the data extraction.
* @returns A promise that resolves to an object matching the SmartScrapeResult type.
* @throws Throws an error if the request fails or the response is invalid.
*/
export async function smartScrape({
url,
prompt,
sessionId,
extractId,
scrapeId,
beforeSubmission,
}: {
url: string,
prompt: string,
sessionId?: string,
extractId?: string,
scrapeId?: string,
beforeSubmission?: () => unknown,
}): Promise<SmartScrapeResult> {
let logger = _logger.child({
method: "smartScrape",
module: "smartScrape",
extractId,
url,
prompt,
sessionId,
scrapeId,
});
try {
logger.info("Initiating smart scrape request");
// Pass schema type as generic parameter to robustFeth
const response = await robustFetch<typeof smartScrapeResultSchema>({
url: `${process.env.SMART_SCRAPE_API_URL}/smart-scrape`,
method: "POST",
body: {
url,
prompt,
userProvidedId: sessionId ?? undefined,
extractId,
scrapeId,
models: {
thinkingModel: {
model: "gemini-2.5-pro-preview-03-25",
provider: "vertex",
supportTools: true,
toolChoice: "required",
cost: {
input: 1.3,
output: 5,
},
},
toolModel: {
model: "gemini-2.0-flash",
provider: "google",
},
},
},
schema: smartScrapeResultSchema, // Pass the schema instance for validation
logger,
mock: null, // Keep mock null if not mocking
});
// Check if the response indicates a 500 error
// Use type assertion to handle the error response structure
const errorResponse = response as unknown as {
success: boolean;
error?: string;
details?: string;
};
if (
errorResponse &&
errorResponse.success === false &&
errorResponse.error
) {
if (errorResponse.error === "Cost limit exceeded") {
throw new Error("Cost limit exceeded", {
cause: { tokenUsage: (errorResponse as any).tokenUsage },
});
}
logger.error("Smart scrape returned error response", {
url,
prompt,
error: errorResponse.error,
details: errorResponse.details || "No details provided",
});
throw new Error(
`Smart scrape failed: ${errorResponse.error}${errorResponse.details ? ` - ${errorResponse.details}` : ""}`,
);
}
logger.info("Smart scrape successful", {
sessionId: response.sessionId,
});
logger.info("Smart scrape cost $" + response.tokenUsage);
return response; // The response type now matches SmartScrapeResult
} catch (error) {
// Safely extract error information without circular references
const errorInfo = {
message: error instanceof Error ? error.message : String(error),
name: error instanceof Error ? error.name : "Unknown",
stack: error instanceof Error ? error.stack : undefined,
// Extract cause safely if it exists
cause:
error instanceof Error && error.cause
? error.cause instanceof Error
? {
message: error.cause.message,
name: error.cause.name,
stack: error.cause.stack,
}
: typeof error.cause === "object"
? {
...Object.fromEntries(
Object.entries(error.cause).filter(
([_, v]) => v !== null && typeof v !== "object",
),
),
error:
(error.cause as any)?.error?.message ||
(error.cause as any)?.error,
}
: String(error.cause)
: undefined,
};
logger.error("Smart scrape request failed", {
error: JSON.stringify(errorInfo),
});
// Rethrowing the error to be handled by the caller
throw new Error(`Failed to smart scrape URL: ${url}`, { cause: error });
}
}
|