This was supposed to check for java imports only used once in the bukkit's files. Won't be finished because working with a sane codebase has no purpose

bukkit-import-check.py

import os
import sys

class parser:

    def __init__(self, filename):
        self.imports = {}
        self.filename = filename

    def classfromimport(self, imp):
        if not imp.startswith('import '):
            return False
        fully_qualified = imp[7:-1]
        return fully_qualified.split('.')[-1]

    def parse(self):
        f = open(self.filename, 'r')
        for line in f:
            imp = self.classfromimport(line[0:-1])
            if imp:
                self.imports[imp] = 0
            else:
                for imp, count in self.imports.items():
                    if(imp in line):
                        self.imports[imp] += 1
        f.close()

    def count(self):
        i = 0
        for imp, count in self.imports.items():
            if count < 2:
                i += 1
        return i

    def showresults(self):
        print('Results for imports in %s' % self.filename)
        for imp, count in self.imports.items():
            if count < 2:
                print('    import "%s" used %d time' % (imp, count))

    def fixresults(self):
        # This is bugged and will most likely never be fixed,
        # the bukkit team decided working on a sane codebase
        # was useless

        # Read them linez
        f = open(self.filename, 'r')
        lines = f.readlines()
        f.close()
        # Write them linez
        f = open(self.filename, 'w')
        for line in lines:
            imp = self.classfromimport(line[0:-1])
            found = False
            try:
                self.imports[imp]
            except KeyError:
                found = True
            if not found or self.imports[imp] > 1:
                f.write(line)
                print('Removed %s from %s' % (imp, filename))

    def debug(self):
        if len(self.imports) == 0:
            return
        for imp, count in self.imports.items():
            print('  %s \timports used \t%d times' % (imp, count))

if len(sys.argv) < 2:
    dir = '.'
else:
    dir = sys.argv[1]

total = 0
for root, dirs, files in os.walk(dir, topdown=True):
    for name in files:
        p = parser(os.path.join(root, name))
        p.parse()
        count = p.count()
        total += count
        if count != 0:
            p.showresults()
            # p.fixresults()
            print('  %d imports need attention' % count)
print('total: %d' % total)