Chilkat Online Tools

BatchDetectKeyPhrases Python Example

Amazon Comprehend

import sys
import chilkat2

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = chilkat2.Rest()

authAws = chilkat2.AuthAws()
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"

# Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.Region = "us-west-2"
authAws.ServiceName = "comprehend"
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

# URL: https://comprehend.us-west-2.amazonaws.com/
# Use the same region as specified above.
success = rest.Connect("comprehend.us-west-2.amazonaws.com",443,True,True)
if (success != True):
    print("ConnectFailReason: " + str(rest.ConnectFailReason))
    print(rest.LastErrorText)
    sys.exit()

# The following code creates the JSON request body.
# The JSON created by this code is shown below.

# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON

json = chilkat2.JsonObject()
json.UpdateString("LanguageCode","string")
json.UpdateString("TextList[0]","string")

# The JSON request body created by the above code:

# {
#   "LanguageCode": "string",
#   "TextList": [
#     "string"
#   ]
# }

rest.AddHeader("Content-Type","application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target","Comprehend_20171127.BatchDetectKeyPhrases")

sbRequestBody = chilkat2.StringBuilder()
json.EmitSb(sbRequestBody)
sbResponseBody = chilkat2.StringBuilder()
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
if (success != True):
    print(rest.LastErrorText)
    sys.exit()

respStatusCode = rest.ResponseStatusCode
print("response status code = " + str(respStatusCode))
if (respStatusCode != 200):
    print("Response Header:")
    print(rest.ResponseHeader)
    print("Response Body:")
    print(sbResponseBody.GetAsString())
    sys.exit()

jResp = chilkat2.JsonObject()
jResp.LoadSb(sbResponseBody)

# The following code parses the JSON response.
# A sample JSON response is shown below the sample code.

# Use this online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

i = 0
count_i = jResp.SizeOfArray("ErrorList")
while i < count_i :
    jResp.I = i
    ErrorCode = jResp.StringOf("ErrorList[i].ErrorCode")
    ErrorMessage = jResp.StringOf("ErrorList[i].ErrorMessage")
    Index = jResp.IntOf("ErrorList[i].Index")
    i = i + 1

i = 0
count_i = jResp.SizeOfArray("ResultList")
while i < count_i :
    jResp.I = i
    Index = jResp.IntOf("ResultList[i].Index")
    j = 0
    count_j = jResp.SizeOfArray("ResultList[i].KeyPhrases")
    while j < count_j :
        jResp.J = j
        BeginOffset = jResp.IntOf("ResultList[i].KeyPhrases[j].BeginOffset")
        EndOffset = jResp.IntOf("ResultList[i].KeyPhrases[j].EndOffset")
        Score = jResp.IntOf("ResultList[i].KeyPhrases[j].Score")
        Text = jResp.StringOf("ResultList[i].KeyPhrases[j].Text")
        j = j + 1

    i = i + 1

# A sample JSON response body parsed by the above code:

# {
#   "ErrorList": [
#     {
#       "ErrorCode": "string",
#       "ErrorMessage": "string",
#       "Index": number
#     }
#   ],
#   "ResultList": [
#     {
#       "Index": number,
#       "KeyPhrases": [
#         {
#           "BeginOffset": number,
#           "EndOffset": number,
#           "Score": number,
#           "Text": "string"
#         }
#       ]
#     }
#   ]
# }