added setup script, cleaned up readme, and added if name==__main__

Author: mtsadler-branch

README.md

@@ -1,2 +1,13 @@
 # simple_analytics_pipeline
 A simple example of loading data from CSV into SQLite DB, and then representing some data as charts.
+
+## Quick-Start
+### Download Github Repo
+```text
+git clone https://github.com/org-not-included/simple_analytics_pipeline
+cd simple_analytics_pipeline
+```
+### Load file and build chart
+```text
+source setup.sh
+```

main.py

@@ -27,24 +27,26 @@ def create_chart(sql, conn, x, y):
     plt.show()
 
 
-# Hard code table name and local file path
-table_name = "sample_table"
-source_file = "data/sample_data.csv"
-# Initialize connection to database
-conn = sqlite3.connect("my_local.db")
-# Load the data into a table
-load_file_to_db(filename=source_file, table=table_name, conn=conn)
-# Preview the table
-preview_data(table=table_name, conn=conn)
-
-charts_sql = f"""
-Select
-    AVG(Value) as avg_val,
-    Variable_category
-    from
-        {table_name}
-    GROUP BY Variable_category
-    ORDER BY AVG(Value)
-"""
-
-create_chart(sql=charts_sql, conn=conn, x="Variable_category", y="avg_val")
+
+if __name__ == "__main__":
+    # Hard code table name and local file path
+    table_name = "sample_table"
+    source_file = "data/sample_data.csv"
+    # Initialize connection to database
+    conn = sqlite3.connect("my_local.db")
+    # Load the data into a table
+    load_file_to_db(filename=source_file, table=table_name, conn=conn)
+    # Preview the table
+    preview_data(table=table_name, conn=conn)
+
+    charts_sql = f"""
+    Select
+        AVG(Value) as avg_val,
+        Variable_category
+        from
+            {table_name}
+        GROUP BY Variable_category
+        ORDER BY AVG(Value)
+    """
+
+    create_chart(sql=charts_sql, conn=conn, x="Variable_category", y="avg_val")

setup.sh

@@ -0,0 +1,24 @@
+# Create virtual environment, if needed
+if [ ! -d ".venv/" ]; then
+    echo "Installing virutalenv..."
+    python3 -m pip install virtualenv
+    echo "Creating .venv/..."
+    python3 -m virtualenv .venv/
+fi
+
+# Activate virtual environment, if one isn't active
+if [ -z "$VIRTUAL_ENV" ]; then
+    echo "Activating Virtual Environment..."
+    . .venv/bin/activate
+else
+    echo -e "Deactivating Virtual Environment: $VIRTUAL_ENV/"
+    deactivate
+    echo "Activating Virtual Environment..."
+    . .venv/bin/activate
+fi
+
+# Install PyPi packages (python requirements)
+pip3 install -Ir requirements.txt
+
+# Load file and build chart
+python3 main.py