diff options
Diffstat (limited to 'Konvert.py')
-rw-r--r-- | Konvert.py | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Konvert.py b/Konvert.py new file mode 100644 index 0000000..e516b41 --- /dev/null +++ b/Konvert.py @@ -0,0 +1,87 @@ +from random import choices +from string import ascii_lowercase, digits +from os import listdir, remove +from os.path import isfile, join +from typing import List +from PIL import Image +from pillow_heif import HeifImagePlugin + + +RANDOM_STRING_LENGTH = 4 +DEFAULT_CONVERT_FROM_EXT = ".heic" +DEFAULT_CONVERT_TO_EXT = ".png" +SUFFIX_SEPERATOR = "_" + + +def generate_random_string(length=RANDOM_STRING_LENGTH): + return ''.join(choices(ascii_lowercase + digits, k=length)) + + +# if dest is not a file then it is valid so returns True +def validate_dest(dest): + return not isfile(dest) + + +# predicts the length of the list ls would return +def ls_size(_dir, recurse=False, extension_filter=DEFAULT_CONVERT_FROM_EXT): + size = 0 + + _files = [join(_dir, f) for f in listdir(_dir)] + for f in _files: + if isfile(f): + if f.lower().endswith(extension_filter): + size += 1 + else: + if recurse: + size += ls_size(join(_dir, f), recurse) + + return size + + +# returns all files with names ending with extension_filter +# can do both top level and recursive +def ls(_dir, recurse=False, extension_filter=DEFAULT_CONVERT_FROM_EXT) -> List[str]: + files = [] + + _files = [join(_dir, f) for f in listdir(_dir)] + for f in _files: + if isfile(f): + files.append(f) + else: + if recurse: + files += ls(join(_dir, f), recurse) + + return [f for f in files if f.lower().endswith(extension_filter)] + + +def build_dest_path(src, suffix="", from_ext=DEFAULT_CONVERT_FROM_EXT, to_ext=DEFAULT_CONVERT_TO_EXT): + + # at first suffix is empty string so file name is + # same just different extension + dest = f"{src[:-len(from_ext)]}{suffix}{to_ext}" + + if validate_dest(dest): + return dest + else: + # if using a random suffix prepend it with a seperator + if suffix == "": + suffix += SUFFIX_SEPERATOR + + # will keep making suffix longer until file name is accepted + suffix += generate_random_string() + return build_dest_path(src, suffix, from_ext, to_ext) + + +# receives validated dest +def convert(src, dest): + i = Image.open(src) + i.save(dest) + + +def process_dir(_dir, recurse=False, delete_original=False): + files = ls(_dir, recurse) + + for f in files: + convert(f, build_dest_path(f)) + if delete_original: + remove(f) |