misc: add support for REQUEST_PROXIES (#20378)

corbo/models.py

@@ -42,7 +42,7 @@ class Category(models.Model):
         super(Category, self).save(*args, **kwargs)
         if not self.rss_feed_url:
             return
-        feed_response = requests.get(self.rss_feed_url)
+        feed_response = requests.get(self.rss_feed_url, proxies=settings.REQUESTS_PROXIES)
         if feed_response.ok:
             content = feedparser.parse(feed_response.content)
             for entry in content.get('entries', []):
@@ -81,7 +81,7 @@ class Announce(models.Model):
                 if img.attrib['src'].startswith('/'):
                     continue
                 image_name = os.path.basename(img.attrib['src'])
-                r = requests.get(img.attrib['src'])
+                r = requests.get(img.attrib['src'], proxies=settings.REQUESTS_PROXIES)
                 if not r.ok:
                     continue
                 new_content = r.content

corbo/settings.py

@@ -168,6 +168,11 @@ SMS_GATEWAY_URL = None
 # sms expeditor
 SMS_EXPEDITOR = 'Corbo'
 
+# proxies argument passed to all python-request methods
+# (see http://docs.python-requests.org/en/master/user/advanced/#proxies)
+REQUESTS_PROXIES = None
+
+
 local_settings_file = os.environ.get('CORBO_SETTINGS_FILE',
         os.path.join(os.path.dirname(__file__), 'local_settings.py'))
 if os.path.exists(local_settings_file):

corbo/utils.py

@@ -89,7 +89,7 @@ def send_sms(content, destinations):
                 'message': etree.tostring(html_content, method='text'),
                 'from': settings.SMS_EXPEDITOR}
         try:
-            response = requests.post(settings.SMS_GATEWAY_URL, json=data)
+            response = requests.post(settings.SMS_GATEWAY_URL, json=data, proxies=settings.REQUESTS_PROXIES)
             response.raise_for_status()
             if not response.json()['err']:
                 # if no error returned by SMS gateway presume the that content