【Python】【Requests】multipart/form-dataで値データのみを送信する

1import requests
2
3url = "https://sample.com"
4files = {
5    "key1": (None, "val1"),
6    "key2": (None, "val2"),
7    "key3": (None, "val3"),
8}
9r = requests.post(url=url, files=files)
10print(f"{r.request.headers}")
11# {'User-Agent': 'python-requests/2.27.1', 
12#  'Accept-Encoding': 'gzip, deflate',
13#  'Accept': '*/*', 
14# 'Connection': 'keep-alive',
15#  'Content-Length': '1024',
16#  'Content-Type': 'multipart/form-data;
17#  boundary=bc7543bf1249b2e58f32c30dfe34d365'}

1import requests
2
3url = "https://sample.com"
4data = {
5    "key1": "val1",
6    "key2": "val2",
7    "key3": "val3",
8}
9files = {(None, None)}
10
11r = requests.post(url=url, data=data, files=files)
12print(f"{r.request.headers}")
13# {'User-Agent': 'python-requests/2.27.1',
14#  'Accept-Encoding': 'gzip, deflate',
15#  'Accept': '*/*',
16#  'Connection': 'keep-alive',
17#  'Content-Length': '1024',
18#  'Content-Type': 'multipart/form-data;
19#  boundary=bc7543bf1249b2e58f32c30dfe34d365'}

1import requests
2
3headers = {"Content-Type": "multipart/form-data"}
4url = "https://sample.com"
5data = {
6    "key1": "val1",
7    "key2": "val2",
8    "key3": "val3",
9}
10r = requests.post(url=url, data=data, headers=headers)
11print(f"{r.text}")
12# no multipart boundary param in Content-Type