Improve config by using dotenv

.gitignore

@@ -1,2 +1,3 @@
-'Qobuz Downloads'
+Qobuz Downloads
 *__pycache*
+.env

README.md

@@ -27,11 +27,21 @@ pip3 install -r requirements.txt --user
 pip3 install windows-curses
 pip3 install -r requirements.txt
 ```
-#### Add your credentials to `config.py`
-```python
-email = "your@email.com"
-password = "your_password"
+#### Add your credentials to a `.env` file
+```none
+QOBUZ_EMAIL=your@email.com
+QOBUZ_PW=your_password
 ```
+
+NB: The .env file should be in the root folder, where main.py and config.py are located.
+
+In addition to your credentials, you can also use the `.env` file to 
+change other default values by means of the following environment variables:
+
+ - `QOBUZ_FOLDER` (location of the download folder)
+ - `QOBUZ_LIMIT` (results limit)
+ - `QOBUZ_QUALITY` (default quality for url input mode)
+
 #### Run qobuz-dl
 ##### Linux / MAC OS
 ```

config.py

@@ -1,13 +1,16 @@
+import os
+from dotenv import load_dotenv
+load_dotenv()
 # Qobuz credentials (Don't remove the quotes!)
-email = "your@email.com"
-password = "your_password"
+email = os.getenv('QOBUZ_EMAIL')
+password = os.getenv('QOBUZ_PW')
 
 # Default folder where the releases are downloaded
-default_folder = "Qobuz Downloads"
+default_folder = os.getenv('QOBUZ_FOLDER', "Qobuz Downloads")
 
 # Default per type results limit
-default_limit = 10
+default_limit = os.getenv('QOBUZ_LIMIT', 10)
 
 # Default quality for url input mode. This will be ignored in interactive mode
 # (5, 6, 7, 27) [320, LOSSLESS, 24B <96KHZ, 24B >96KHZ]
-default_quality = 6
+default_quality = os.getenv('QOBUZ_QUALITY', 6)

requirements.txt

@@ -3,3 +3,4 @@ requests==2.24.0
 mutagen==1.45.1
 tqdm==4.48.2
 pick==0.6.7
+python-dotenv==0.15.0