64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
import sys, os, re
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from PIL import Image as im
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# width in pixels
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MAX_WIDTH = 720
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# filetype
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OUTPUT_FILETYPE = "jpg"
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IMG_FM = (".tif", ".tiff", ".jpg", ".jpeg", ".gif", ".png", ".eps",
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".raw", ".cr2", ".nef", ".orf", ".sr2", ".bmp", ".ppm", ".heif", ".webp")
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def main():
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if len(sys.argv) < 2:
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print("invalid")
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return
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file_or_directory = sys.argv[1]
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if os.path.isfile(file_or_directory):
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handle_file(file_or_directory)
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elif os.path.isdir(file_or_directory):
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handle_directory(file_or_directory)
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else:
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print("invalid")
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def handle_file(filepath):
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if verify_file_is_image(filepath):
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process_image(filepath)
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else:
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print("file " + filepath + " is not an image, ignoring")
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return
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def handle_directory(dirpath):
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for entry in os.listdir(dirpath):
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if os.path.isdir(dirpath + entry):
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print(dirpath + entry + " is subdirectory, ignoring")
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else:
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handle_file(dirpath + entry)
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return
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def verify_file_is_image(filepath):
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return os.path.splitext(filepath)[1] in IMG_FM
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def process_image(filepath):
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print("processing " + filepath)
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with im.open(filepath) as current_image:
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if (current_image.width > MAX_WIDTH):
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print("> width is " + str(current_image.width) + ", resizing to 720px")
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width_percent = MAX_WIDTH / float(current_image.width)
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new_height = int((float(current_image.height) * float(width_percent)))
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current_image = current_image.resize((MAX_WIDTH, new_height), im.Resampling.LANCZOS)
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if current_image.mode in ("RGBA", "P"):
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current_image = current_image.convert("RGB")
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filename_slug = slugify(os.path.splitext(os.path.basename(filepath))[0])
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current_image.save(os.path.join(os.path.dirname(filepath), (filename_slug + "." + OUTPUT_FILETYPE)), quality=90)
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return
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def slugify(s: str) -> str:
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s_after_basic_replacement = re.sub("[^a-zA-Z0-9]", "-", s)
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s_with_no_continues_dash = re.sub("[-]+", "-", s_after_basic_replacement)
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s_with_no_ending_dash = re.sub("-$", "", s_with_no_continues_dash)
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return s_with_no_ending_dash
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if __name__ == "__main__":
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main() |