访问凭证

import requests
from requests_toolbelt.multipart.encoder import MultipartEncoder
import hashlib
import hmac
import time

ti_app_id = "your-app-id"
ti_secret_code = "your-app-secret"
filename = "file.pdf"
filepath = "/path/to/your/file.pdf"
params = {"workspace_id":"1871454238893576192","category":"采购订单"}

epoch_time = int(time.time())
http_method = "POST"
url = "/api/app-api/sip/platform/v2/file/upload"

payload = MultipartEncoder(
    fields={
        "file": (filename, open(filepath, "rb"), "application/pdf"),
    }
)

signing_key = hmac.new(ti_secret_code.encode('utf-8'), str(epoch_time).encode('utf-8'), hashlib.sha256).digest()
payload_raw = payload.to_string()
payload_hash = hashlib.sha256(payload_raw).hexdigest()
string_to_sign = f"{http_method}\n{url}\n{'&'.join(f'{k}={v}' for k, v in sorted(params.items()))}\n{payload_hash}"
signature = hmac.new(signing_key, string_to_sign.encode('utf-8'), hashlib.sha256).hexdigest()

print(f"epoch_time: {epoch_time}")
print(f"http_method: {http_method}")
print(f"signing_key: {signing_key}")
print(f"payload_hash: {payload_hash}")
print(f"string_to_sign: {string_to_sign}")
print(f"signature: {signature}")

resp = requests.post(url=f"https://docflow.textin.com{url}", 
                     params=params, 
                     data=payload_raw, 
                     headers={"Content-Type": payload.content_type,
                              "x-ti-app-id": ti_app_id,
                              "x-ti-timestamp": str(epoch_time),
                              "x-ti-signature": signature,
                              })

print(resp.text)