Untitled

"""Code written by Harry Low on the 19th May 2019.

Prints peoples names' and the status of their account and donations to
each band."""
import os.path
def tag_position(tag, lines):
    """Provides the index position of a tag within certain lines of code"""
    counter = 0
    line_index = 0
    tag_found = False
    while counter < len(lines):
        if lines[counter].strip().startswith(tag):
            line_index = counter
            tag_found = True
            counter += 1
        else:
            counter += 1
    if tag_found == False:
        return -1
    else:
        return line_index
    return line_index

def tagged_contents(tag_name, lines):
    """Returns the lines of data between specified start and end tags in file"""


def main():
    """Iterates through text files to retrieve data related to donation status.

    Prints data and analsyses band names starting and ending with tags and returns
    amount donated to each band"""
    filename = None
    while filename is None:
        filename = input("Enter a file name: ")
        if not os.path.isfile(filename):
            print(filename, "DOES NOT EXIST!")
            filename = None

    file_data = open(filename, encoding="utf-8")
    lines = file_data.readlines()
    file_data.close()

    end_head = tag_position("</head>", lines)
    start_head = tag_position("<head>", lines)
    header_lines = lines[start_head+1:end_head]
    _, donor_name = header_lines[0].strip().split(':')
    _, donor_status = header_lines[1].strip().split(':')

    start_data = tag_position("<data>", lines)
    end_data = tag_position("</data>", lines)
    data_lines = lines[start_data+1:end_data]
    data = []
    for line in data_lines:
        _, band_name, amount = line.strip().split(',')
        amount = float(amount)
        data.append((band_name, amount))

    total_donations = 0
    for band_name, amount in data:
        total_donations += amount

    print("-" * 40)
    print("Donation Summary")
    print("-" * 40)
    print("User name: {}".format(donor_name.title()))
    print("Account Status: {}".format(donor_status))

    if donor_status in ["suspended", "deleted"]:
        print("*** WARNING ***")
        print("*** User can't access their account ***")
    print("-" * 40)

    for band_name, amount in sorted(data):
        print("{} ({:.2f})".format(band_name, amount))
    print("-" * 40)
    print("Count: {}".format(len(data)))
    print("Total: {:.2f}".format(total_donations))
    print("-" * 40)

main()