Function init

Lib/mimetypes.py:405–433

(files=None)

def init(files=None):
    global suffix_map, types_map, encodings_map, common_types
    global inited, _db
    inited = True    # so that MimeTypes.__init__() doesn't call us again

    if files is None or _db is None:
        db = MimeTypes()
        # Quick return if not supported
        db.read_windows_registry()

        if files is None:
            files = knownfiles
        else:
            files = knownfiles + list(files)
    else:
        db = _db

    # Lazy import to improve module import time
    import os

    for file in files:
        if os.path.isfile(file):
            db.read(file)
    encodings_map = db.encodings_map
    suffix_map = db.suffix_map
    types_map = db.types_map[True]
    common_types = db.types_map[False]
    # Make the DB a global variable now that it is fully initialized
    _db = db


def read_mime_types(file):