refactor: use session class in worldpop (#117)

* refactor: use session class in worldpop.py file

* remove hardcoded container name to use one in config

* refactor: use context manager to access blob_service_client

* cleanup .env.example and remove azure module

Author: Thuhaa

.env.example

@@ -1,5 +1 @@
-AZURE_STORAGE_CONNECTION_STRING=
-AZURE_STORAGE_CONTAINER=
-AZ_ROOT_FILE_PATH=
-LOCAL_DOWNLOAD_PATH=
 JUPYTER_USERS=

cbsurge/azure/__init__.py

@@ -2,7 +2,7 @@
 
 import click
 
-from cbsurge.exposure.population.worldpop import population_sync, process_aggregates, download
+from cbsurge.exposure.population.worldpop import population_sync, process_aggregates, run_download
 
 
 @click.group()
@@ -21,12 +21,11 @@ def sync(force_reprocessing, country, download_path):
 
 @population.command()
 @click.option('--country', help='The ISO3 code of the country to process the data for')
-@click.option('--force-reprocessing', help='Force reprocessing of data', is_flag=True)
 @click.option('--download-path', help='Download data locally', required=False)
 @click.option('--age-group', help='The age group to process the data for', type=click.Choice(['child', 'active', 'elderly']))
 @click.option('--sex', help='Path to the downloaded data', type=click.Choice(['male', 'female']))
-def download(country, force_reprocessing, download_path, age_group, sex):
-    asyncio.run(download(force_reprocessing=force_reprocessing, country_code=country, download_path=download_path, age_group=age_group, sex=sex))
+def download(country, download_path, age_group, sex):
+    asyncio.run(run_download(country_code=country, download_path=download_path, age_group=age_group, sex=sex))
 
 @population.command()
 @click.option('--country', help='The ISO3 code of the country to process the data for')