Total bytes transferred counter - WIP

changedetectionio/content_fetchers/base.py

@@ -51,6 +51,7 @@ class Fetcher():
     instock_data = None
     instock_data_js = ""
     status_code = None
+    total_bytes = None
     webdriver_js_execute_code = None
     xpath_data = None
     xpath_element_js = ""

changedetectionio/content_fetchers/requests.py

@@ -12,6 +12,27 @@
 class fetcher(Fetcher):
     fetcher_description = "Basic fast Plaintext/HTTP Client"
 
+    def get_total_bytes_received(self, response):
+        # Calculate the size of the response content
+        content_size = len(response.content)
+        # Calculate the size of the response headers
+        headers_size = sum(len(k) + len(v) for k, v in response.headers.items()) + len(response.headers) * 4  # adding 4 for ': ' and '\r\n'
+
+        # Total bytes received
+        total_received = content_size + headers_size
+        return total_received
+
+    def get_total_bytes_transferred(self, request):
+        # Calculate the size of the request headers
+        headers_size = sum(len(k) + len(v) for k, v in request.headers.items()) + len(request.headers) * 4  # adding 4 for ': ' and '\r\n'
+
+        # Calculate the size of the request body, if any
+        body_size = len(request.body or '')
+
+        # Total bytes transferred (request + response)
+        total_transferred = headers_size + body_size
+        return total_transferred
+
     def __init__(self, proxy_override=None, custom_browser_connection_url=None):
         super().__init__()
         self.proxy_override = proxy_override
@@ -60,6 +81,10 @@ def run(self,
                             proxies=proxies,
                             verify=False)
 
+        total_received = self.get_total_bytes_received(response=r)
+        request_prepared = r.request
+        self.total_bytes = self.get_total_bytes_transferred(request_prepared) + total_received
+
         # If the response did not tell us what encoding format to expect, Then use chardet to override what `requests` thinks.
         # For example - some sites don't tell us it's utf-8, but return utf-8 content
         # This seems to not occur when using webdriver/selenium, it seems to detect the text encoding more reliably.