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from Utilities.CSV import csv_data_line
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from Utilities import date_formating
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def process_file(filename):
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    """
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    Method that take path to crawled file and outputs date dictionary:
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    Date dictionary is a dictionary where keys are dates in format YYYY-mm-dd-hh (2018-04-08-15)
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    and value is dictionary where keys are devices (specified in configuration file)
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    and value is CSVDataLine.csv_data_line with device,date and occurrence
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    Args:
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    filename: name of processed file
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    Returns:
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    None if not implemented
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    date_dict when implemented
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    """
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    date_dict = dict()
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    with open(filename, "r") as file:
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        for line in file:
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            array = line.split(";")
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            date = date_formating.date_time_formatter(array[0][1:-1])
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            name = array[1][1:-1]
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            if date not in date_dict:
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                date_dict[date] = dict()
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            if name in date_dict[date]:
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                date_dict[date][name].occurrence += 1
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            else:
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                date_dict[date][name] = csv_data_line.CSVDataLine(name, date, 1)
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    return date_dict
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