Add arguments for api-key and db-file (#31)

* - YouTube Data API key and database filename can now be specified on the commend line

* - Update README to reflect new usage

Author: AustinCullar

README.md

@@ -3,8 +3,8 @@ Automated data collection from YouTube.
 
 ## Overview
 This project is focused on collecting data from YouTube via the Data API.
-Currently, this tool will collect comment info from the provided video ID
-string, storing the data into an sqlite database file.
+Currently, this tool will collect comment info from the provided YouTube video
+URL and store the data into an sqlite database file.
 
 The comment data collected includes:
 - author
@@ -35,17 +35,19 @@ each comment.
 This output below was generated by providing the video ID string of a relatively
 small YouTube channel.
 ```
-(astro) $ python astro.py 'https://www.youtube.com/watch?v=HthY7qxV8q0' -l debug
+(astro) $ python astro.py 'https://www.youtube.com/watch?v=HthY7qxV8q0' -l debug --api-key <key> --db-file astro.db
 INFO:__init__.py:autodetect: file_cache is only supported with oauth2client<4.0.0
 DEBUG:discovery.py:method: URL being requested: GET https://youtube.googleapis.com/youtube/v3/commentThreads?part=snippet%2Creplies&videoId=HthY7qxV8q0&textFormat=plainText&key=<...>&alt=json
 DEBUG:astro.py:main: Collected data preview:
                                              comment                user                  date PSentiment NSentiment
-0  Giant keys dorp twice as often in the wilderne...      @selkokieli843  2024-09-23T19:06:29Z        0.0       0.25
-1  wilderness is the way to go here. cannon isnt ...          @breaddboy  2024-09-23T18:46:20Z        0.0      0.125
-2  The description is about mossy keys and Bryoph...            @MrRXY11  2024-09-23T16:49:55Z        0.0        0.0
-3  no it's not you're crazy. gaslighting isn't re...           @Spookdog  2024-09-23T19:18:19Z        0.0      0.625
-4  Easier way imo is in the giants den with a zar...  @jakeparkinson9639  2024-09-23T16:32:56Z        0.0        0.0
-5                                              First         @HeyItsVarn  2024-09-23T16:05:07Z        0.0        0.0
+0              tbh ur voice is so relaxing i love it          @johan2380  2024-09-25T21:34:21Z        0.0        0.0
+1  Giant keys dorp twice as often in the wilderne...      @selkokieli843  2024-09-23T19:06:29Z        0.0       0.25
+2                                           Dorp lol      @Nakedlollipop  2024-09-24T02:04:58Z        0.0        0.0
+3  wilderness is the way to go here. cannon isnt ...          @breaddboy  2024-09-23T18:46:20Z        0.0      0.125
+4  The description is about mossy keys and Bryoph...            @MrRXY11  2024-09-23T16:49:55Z        0.0        0.0
+5  no it's not you're crazy. gaslighting isn't re...           @Spookdog  2024-09-23T19:18:19Z        0.0      0.625
+6  Easier way imo is in the giants den with a zar...  @jakeparkinson9639  2024-09-23T16:32:56Z        0.0        0.0
+7                                              First         @HeyItsVarn  2024-09-23T16:05:07Z        0.0        0.0
 ```
 
 ## Background

src/astro.py

@@ -33,7 +33,8 @@ def parse_args():
     parser.add_argument("youtube_url", type=str, help="URL to youtube video")
     parser.add_argument("-l", "--log", type=str, choices=['debug', 'info', 'warn', 'error'],
                         help='Set the logging level')
-
+    parser.add_argument("--api-key", type=str, help="YouTube Data API key")
+    parser.add_argument("--db-file", type=str, help="Database filename")
     args = parser.parse_args()
 
     return args
@@ -49,8 +50,8 @@ def main():
 
     # prioritize log level provided on CLI, fallback to env variable
     log_level = args.log if args.log else os.getenv("LOG_LEVEL")
-    api_key = os.getenv("API_KEY")
-    db_file = os.getenv("DB_FILE")
+    api_key = args.api_key if args.api_key else os.getenv("API_KEY")
+    db_file = args.db_file if args.db_file else os.getenv("DB_FILE")
 
     # set up logging
     logger = Logger(log_level)