gistfile1.py

import requests  #request library is to send HTTP requests 


url_system_status = "http://127.0.0.1:8384/rest/system/config"  
#according to the documentation of Syncthing,/rest/system/config exposes configuration details

headers= {"X-API-Key" : "XXXXXXXXXXX"}
"""
headers is for authentication. Syncthing REST API exposes the end points via API Key
API key can be found at Syncthing GUI --> Actions --> Settings 
This is to ensure that the information seen at the end point is not visible to unauthorised users.
"""

response = requests.get(url_system_status,headers=headers).json()
"""
response variable is where the real HTTP GET request happening. 
Basically it says that, use the requests libabry which has already been imported
and execute  the get function for url_system_status (which is http://127.0.0.1:8384/rest/system/config)
and include headers which is the X-API-KEY itself

At this point we already have the result saved into response variable.

.json() #This is to convert incoming info into a Python list of dictionaries

"""

for key,values in response.items():
    print (key,values)
"""
Since a dictionary is a combination of keys and values, then we can iterate over each key with the corresponding value 
and print them one by one. This part of the code is not a must but it is nice to read the response.
"""
 

with open('config.json', 'w') as config_file:
    json.dump(response, config_file, indent=4)
"""
by using json.dump we can write the result to a file which can be used later for a reference or for a config change.
This code will create config.json in the same directory where the script is. response will be used to create the content of this file.
"""