Trigger a library update in Kodi

kodi-nfo-feeder.py

@@ -11,6 +11,8 @@ import inflect
 from inotify_simple import INotify, flags
 import lxml.etree
 import lxml.builder
+import requests
+from requests.auth import HTTPBasicAuth
 
 
 # TODO Create season subdir if it doesn't exist
@@ -64,6 +66,7 @@ logging.basicConfig(
 log = logging.getLogger("rich")
 # Our own code logs with this level
 log.setLevel(logging.DEBUG)
+logging.getLogger("urllib3.connectionpool").setLevel(logging.WARNING)
 install(show_locals=True)
 
 
@@ -325,6 +328,68 @@ def write_nfo_to_disk(
         return True
 
 
+def kodi_library_update(
+        csection_name: str,
+        config_obj: configparser.ConfigParser()) -> bool:
+
+    kodi_jsonrpc_address = config_obj.get(csection_name, "kodi_jsonrpc_address")
+    kodi_jsonrpc_username = config_obj.get(csection_name, "kodi_jsonrpc_username") if \
+        config.has_option(csection_name, "kodi_jsonrpc_username") else None
+    kodi_jsonrpc_password = config_obj.get(csection_name, "kodi_jsonrpc_password") if \
+        config.has_option(csection_name, "kodi_jsonrpc_password") else None
+
+    require_auth = False
+    if (kodi_jsonrpc_username and not kodi_jsonrpc_password) or \
+            (not kodi_jsonrpc_username and kodi_jsonrpc_password):
+        log.warning(f"Please make sure that both a Kodi username /and/ and password are set via "
+                    f"the 'kodi_jsonrpc_username' and 'kodi_jsonrpc_password' config options, respectively. "
+                    f"If Kodi's web interface is configured to not require authentication please set "
+                    f"both 'kodi_jsonrpc_username' and 'kodi_jsonrpc_password' to empty values (or simply remove "
+                    f"both lines from the config file).\n"
+                    f"Skipping Kodi video library reload ...")
+        return False
+    elif kodi_jsonrpc_username and kodi_jsonrpc_password:
+        require_auth = True
+
+    json_payload_str = {
+        "jsonrpc": "2.0",
+        "method": "VideoLibrary.Scan",
+        "id": f"""{config_obj.get(csection_name, "self_name")}_trigger-vid-lib-scan"""
+    }
+    json_payload = json.dumps(json_payload_str)
+    req_header = {"content-type": "application/json"}
+    s = requests.Session()
+    req = requests.Request(
+        "POST",
+        kodi_jsonrpc_address,
+        data=json_payload,
+        auth=requests.auth.HTTPBasicAuth(
+            kodi_jsonrpc_username,
+            kodi_jsonrpc_password
+        ) if require_auth else None,
+        headers=req_header)
+    prepped = req.prepare()
+    newline = "\n"
+    log.debug(f"Triggering Kodi library update ...")
+    log.debug(f"Request method: {req.method}\n"
+              f"URL: {req.url}\n"
+              f"""{newline.join(f"Header '{header}': '{value}'" for header, value in list(req.headers.items()))}\n"""
+              f"Payload: {json_payload}")
+    try:
+        with s.send(prepped) as s:
+            got_json_response = s.content
+            if s.status_code == requests.codes.ok:
+                log.debug(f"Kodi library update successful")
+                return True
+            else:
+                log.error(f"Request failed, response code was {s.status_code}:\n"
+                          f"{json.loads(got_json_response)}")
+                return False
+    except requests.exceptions.ConnectionError:
+        log.info(f"Kodi JSON-RPC endpoint {kodi_jsonrpc_address} is not currently connectable.")
+        return False
+
+
 if __name__ == '__main__':
     validate_default_section(config)
     if config_has_valid_section(config):

requirements.in

@@ -2,3 +2,4 @@ rich
 inflect
 inotify_simple
 lxml
+requests

requirements.txt

@@ -4,8 +4,14 @@
 #
 #    pip-compile
 #
+certifi==2021.10.8
+    # via requests
+charset-normalizer==2.0.12
+    # via requests
 commonmark==0.9.1
     # via rich
+idna==3.3
+    # via requests
 inflect==5.4.0
     # via -r requirements.in
 inotify-simple==1.3.5
@@ -14,5 +20,9 @@ lxml==4.8.0
     # via -r requirements.in
 pygments==2.11.2
     # via rich
-rich==12.0.0
+requests==2.27.1
     # via -r requirements.in
+rich==12.0.1
+    # via -r requirements.in
+urllib3==1.26.9
+    # via requests