Logging within a data pipeline
In this exercise, we'll take a look back at the function you wrote in a previous video and practice adding logging to the function. This will help when troubleshooting errors or making changes to the logic!
pandas has been imported as pd. In addition to this, the logging module has been imported, and the default log-level has been set to "debug".
Bu egzersiz
ETL and ELT in Python
kursunun bir parçasıdırEgzersiz talimatları
- Create an info-level log after the transformation, passing the string:
"Transformed 'Order Date' column to type 'datetime'." - Log the
.shapeof the DataFrame at the debug-level before and after filtering.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
def transform(raw_data):
raw_data["Order Date"] = pd.to_datetime(raw_data["Order Date"], format="%m/%d/%y %H:%M")
clean_data = raw_data.loc[raw_data["Price Each"] < 10, :]
# Create an info log regarding transformation
logging.____("Transformed 'Order Date' column to type 'datetime'.")
# Create debug-level logs for the DataFrame before and after filtering
____(f"Shape of the DataFrame before filtering: {raw_data.shape}")
____(f"Shape of the DataFrame after filtering: {clean_data.shape}")
return clean_data
clean_sales_data = transform(raw_sales_data)