Use python stdlib instead of requests (#1)

forward-email-to-slack-webhook/email_to_webhook

@@ -5,9 +5,9 @@ from email import message_from_file
 
 import json
 import os
-import requests
 import sys
 import syslog
+import urllib.request
 
 hook_url = os.environ.get('SLACK_WEBHOOK_URL')
 
@@ -35,19 +35,22 @@ def send_to_slack(fr,title,body):
         ]
     }
 
-    response = requests.post(
+    req = urllib.request.Request(
             hook_url,
-            data=json.dumps(slack_data),
-            headers={'Content-Type': 'application/json'}
+            data=json.dumps(slack_data).encode(),
+            headers={'Content-Type': 'application/json'},
+            method='POST'
     )
-
-    if response.status_code != 200:
+    
+    with urllib.request.urlopen(req) as response:
+        if response.status != 200:
+            encoded_text = response.read()
             syslog.syslog(
-                    syslog.LOG_ERR, "Couldn't send webhook to slack: resp %s %s" % (response.status_code, response.text)
+                    syslog.LOG_ERR, "Couldn't send webhook to slack: resp %s %s" % (response.status, encoded_text)
             )
             raise ValueError(
                     'Request to slack returned an error %s, the response is:\n%s'
-                    % (response.status_code, response.text)
+                    % (response.status, encoded_text)
             )