Source code for util.format

from config import Config  # must have!




class FormatUtil:
    """
    Util to help with formatting/converting between python dtypes such as datetime, string, etc.
    """



    @staticmethod
    def to_date_string(date_obj):
        """Convert various date objects/strings to yyyy-mm-dd format string, for comparison"""
        from datetime import datetime, date
        import pandas as pd

        if isinstance(date_obj, str):
            try:
                # Parse ambiguous string to datetime using pandas (handles many formats)
                date_obj = pd.to_datetime(date_obj)
            except:
                return None

        if isinstance(date_obj, (datetime, date)):
            return date_obj.strftime("%Y-%m-%d")

        if isinstance(date_obj, pd.Timestamp):
            return date_obj.strftime("%Y-%m-%d")

        return None