alibabacloud_openapi_util_dict_to_string_map_and_canonical_query.py

1import os
2from alibabacloud_openapi_util.client import Client
3
4
5def main():
6    # Example 1: Convert a map/dict to a map of strings
7    # This is often used for normalizing headers or query parameters
8    input_dict = {
9        "key1": "value1",
10        "key2": 123,
11        "key3": True
12    }
13    string_map = Client.convert_key(input_dict)
14    print(f"Converted Map: {string_map}")
15
16    # Example 2: Get a signed string (Commonly used in Aliyun SDK internal signature logic)
17    # This mimics the preparation of a string for a canonical request
18    query = {
19        "RegionId": "cn-hangzhou",
20        "Action": "DescribeInstances"
21    }
22    canonical_query_string = Client.get_canonical_query_string(query)
23    print(f"Canonical Query String: {canonical_query_string}")
24
25    # Example 3: String manipulation helpers
26    content = "test_content"
27    is_empty = Client.is_empty(content)
28    print(f"Is content empty? {is_empty}")
29
30
31if __name__ == '__main__':
32    main()