LeetCode

The following bit of code is essentially just an extension for myself that organizes GitBook's summary.md file to be coherent to order of leetcode problem sets.

import collections
import re


def gitbook_clean_summary(in_file):
    """
    :type in_file: string
    :rtype: void
    """

    file_out = open("SUMMARY_SORTED.md", "w")

    with open(in_file, 'r') as file:
        lines = file.readlines()
        numbers = [int(re.search(r'\d+', line).group()) for line in lines]
        elements = dict([(line, number) for number, line in zip(lines, numbers)])
        sort_d = collections.OrderedDict(sorted(elements.items()))

    for key in sort_d:
        file_out.write('%s' % sort_d[key])

    file_out.close()


# note: SUMMARY.md must only contain 'LeetCode' parent folder
# detecting no number in lines will cause an exception to be thrown
gitbook_clean_summary("SUMMARY.md")

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