Move user_agent_comment for CLI to instance variable

Author: sbscully

opencage/batch.py

@@ -22,6 +22,7 @@ class OpenCageBatchGeocoder():
     def __init__(self, options):
         self.options = options
         self.sslcontext = ssl.create_default_context(cafile=certifi.where())
+        self.user_agent_comment = 'OpenCage CLI'
         self.write_counter = 1
 
     def __call__(self, *args, **kwargs):
@@ -74,7 +75,7 @@ async def geocode(self, csv_input, csv_output):
 
     async def test_request(self):
         try:
-            async with OpenCageGeocode(self.options.api_key, domain=self.options.api_domain, sslcontext=self.sslcontext, user_agent_comment='OpenCage CLI') as geocoder:
+            async with OpenCageGeocode(self.options.api_key, domain=self.options.api_domain, sslcontext=self.sslcontext, user_agent_comment=self.user_agent_comment) as geocoder:
                 result = await geocoder.geocode_async('Kendall Sq, Cambridge, MA', raw_response=True)
 
                 free = False
@@ -170,7 +171,7 @@ def on_backoff(details):
                               max_tries=self.options.retries,
                               on_backoff=on_backoff)
         async def _geocode_one_address():
-            async with OpenCageGeocode(self.options.api_key, domain=self.options.api_domain, sslcontext=self.sslcontext, user_agent_comment='OpenCage CLI') as geocoder:
+            async with OpenCageGeocode(self.options.api_key, domain=self.options.api_domain, sslcontext=self.sslcontext, user_agent_comment=self.user_agent_comment) as geocoder:
                 geocoding_results = None
                 params = { 'no_annotations': 1, **self.options.optional_api_params }