downloader.entsoe.merge_build_manual

downloader.entsoe.merge_build_manual(output_file='energy_load.csv')

Merge all raw CSV files from the ‘raw’ directory into a single interim file.

This function looks for all .csv files in get_data_home() / "raw", sorts them by time index, and saves the unique combined data to get_data_home() / "interim" / output_file.

Parameters

Name	Type	Description	Default
output_file	str	The name of the combined output file. Defaults to “energy_load.csv”.	'energy_load.csv'

Raises

Name	Type	Description
	FileNotFoundError	If the raw directory does not exist.
	ValueError	If no valid CSV files are found for merging.

Notes

Logging information can be selected by setting the log level for the spotforecast2_safe.downloader.entsoe logger. Common levels are DEBUG, INFO, WARNING, ERROR, and CRITICAL.

Examples: # Show only warnings and errors (default) >>> import logging >>> logging.getLogger(“spotforecast2_safe.downloader.entsoe”).setLevel(logging.WARNING)

# Show informative messages about the merging process
>>> logging.getLogger("spotforecast2_safe.downloader.entsoe").setLevel(logging.INFO)

# Show detailed debug information
>>> logging.getLogger("spotforecast2_safe.downloader.entsoe").setLevel(logging.DEBUG)

Examples

Example 1: Merge with default output file (if raw data exists)

>>> from spotforecast2_safe.downloader.entsoe import merge_build_manual
>>> try:
...     merge_build_manual()
... except Exception:
...     pass  # Ignore errors if no raw data exists

Example 2: Merge with a custom output file name

>>> try:
...     merge_build_manual(output_file="custom_energy_load.csv")
... except Exception:
...     pass