Removed old and added new icons for each color in designate directories.

assets/icons/__init__.py

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+#!/usr/bin/env python3
+
+from .icons import colors, generate_pngs

assets/icons/icons.py

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+#!/usr/bin/env python3
+
+import cairosvg
+import codecs
+import discord
+import inspect
+import pathlib
+import PIL
+import tempfile
+
+# I need a list of all colors that the Discord library offers, and I can't seem
+# to find a good one, so I'm going to just create one here
+colors = ['ash_embed', 'ash_theme', 'blue', 'blurple', 'brand_green',
+    'brand_red', 'dark_blue', 'dark_embed', 'dark_gold', 'dark_gray',
+    'dark_green', 'dark_grey', 'dark_magenta', 'dark_orange', 'dark_purple',
+    'dark_red', 'dark_teal', 'dark_theme', 'darker_gray', 'darker_grey',
+    'default', 'fuchsia', 'gold', 'green', 'greyple', 'light_embed',
+    'light_gray', 'light_grey', 'light_theme', 'lighter_gray',
+    'lighter_grey', 'magenta', 'og_blurple', 'onyx_embed', 'onyx_theme',
+    'orange', 'pink', 'purple', 'red', 'teal', 'yellow']
+
+def generate_pngs(svg_path: pathlib.Path, png_path: pathlib.Path):
+    """Generate icons for embed messages.
+
+    This method takes SVG files, changes their colors, and converts them into
+    PNG files for use in Discord message embeds. Since uploading the image
+    itself to the Discord message isn't an option, we are going to create a
+    designated directory for the icons, and use the public URL for it to point
+    Discord to the proper icon.
+
+    Params:
+        svg_path (pathlib.Path): The path to the SVG files to be converted.
+        png_path (pathlib.Path): The path to store the resultant PNG files.
+    """
+    # Convert to each Discord color
+    for color_name in colors:
+        color_dir = png_path / color_name
+        color_dir.mkdir(parents=True, exist_ok=True)
+        color_hex = str(getattr(discord.Colour, color_name)())
+
+        # Open each SVG in the directory
+        for svg_file in svg_path.glob("*.svg"):
+            with codecs.open(svg_file, "r", encoding="utf-8") as f:
+                svg_data = f.read()
+
+            # Convert the SVG elements to the correct new color
+            svg_data = svg_data.replace("#000000", color_hex)
+
+            # If we just save the new PNG, the icon will completely fill the
+            # image, but we're going to use it in areas of Discord messages
+            # where they are rendered in circles, so we're going to add margins
+            # on each side so that the icon doesn't get cut off
+            with tempfile.NamedTemporaryFile(delete=True) as temp:
+                cairosvg.svg2png(
+                    bytestring=svg_data.encode("utf-8"), write_to=temp.name)
+                # Resize to add border
+                img = PIL.Image.open(temp.name).convert("RGBA")
+                img = PIL.ImageOps.expand(img, border=100, fill=(0, 0, 0, 0))
+                img.resize((300, 300), PIL.Image.LANCZOS)
+
+            # Save to actual PNG file
+            img.save(color_dir / f"{svg_file.stem}.png", format="PNG")
+            print("new file:", color_dir / f"{svg_file.stem}.png")