AnghamiTemplate.py

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import re
 
class AnghamiTemplate:
    def date(self, filename):
        """Sets date column given the filename (it contains the date)
        For example: gyrostream-pty-ltd_anghami_202111_Monthly-Sales.csv
            Args:
                filename (str): current filename
            Returns: date_str (str)
            """
        # gyrostream-pty-ltd_anghami_202111_Monthly-Sales.csv
        date = re.findall(r'_20\d{4}_', filename)[0]
        date = date.replace("_", "")
        date_str = date[:4]+"-"+date[4:]+"-01"
        # df["date_from_file"] = date_str
        return date_str