2024-09-09 12:57:25 +01:00
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import uuid
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import os
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2024-10-28 20:28:12 +00:00
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import hashlib
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2024-09-09 12:57:25 +01:00
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from datetime import datetime
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from pathlib import Path
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import html2image
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import click
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import frontmatter
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html = """
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<html>
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<head>
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<style>
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body {
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margin: 0;
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padding: 0;
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width: 100vw;
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height: 100vh;
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.content {
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width: 95%;
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}
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</style>
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<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
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<link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet">
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</head>
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<body>
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<div class="content p-4" style="background-color: #fefefe;font-family: 'Nunito', sans-serif; font-size: 20px;">
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<div class="d-flex flex-column justify-content-center align-items-center text-center" style="border: 10px solid #025a5f; padding: 20px; border-radius:50px;">
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<span class="tweet-text mb-2" style="font-size: 2.6rem;">
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{title}
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</span>
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<span class="text-muted mb-2">
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{date}
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</span>
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<div class="flex justify-center my-4">
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<div class="rounded-full inline-flex" style="background-color: #ffffff; height: 0.25rem; width: 4rem;"></div>
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</div>
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<div class="mb-2">
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<img src="https://brainsteam.co.uk/images/avatar_small.png" class="rounded-circle" style="width: 150px;">
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</div>
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<h4 class="mt-2" style="color: #025a5f" >James Ravenscroft</h4>
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<span class="text-muted">@jamesravey@fosstodon.org</span>
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</div>
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</div>
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</body>
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</html>
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"""
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2024-10-28 20:28:12 +00:00
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def generate_filename_hash(title: str, pubdate: str):
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"""Generate the filename for the title card based on post title and pub date"""
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2024-09-09 12:57:25 +01:00
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2024-10-28 20:28:12 +00:00
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fhash = hashlib.new("sha256")
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fhash.update(f"{title}:{pubdate}".encode("utf8"))
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return fhash.hexdigest()
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@click.group()
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def cli():
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pass
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@cli.command()
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@click.option("--input-file", "-i", required=True, type=click.Path(exists=True))
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@click.option("--workspace-path", "-w", required=True, type=click.Path(exists=True))
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def single(workspace_path, input_file):
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"""Generate a title card for a single post"""
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generate_card(input_file, workspace_path)
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@cli.command()
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2024-10-28 20:38:31 +00:00
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@click.option("--subdir", "-i", required=True, type=click.Path(exists=True))
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2024-10-28 20:28:12 +00:00
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@click.option("--workspace-path", "-w", required=True, type=click.Path(exists=True))
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def tree(workspace_path, subdir):
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"""Retursively walk subdir and generate title cards for all posts"""
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for root, dirs, files in os.walk(subdir):
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for file in files:
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if file.endswith(".md"):
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generate_card(os.path.join(root, file), workspace_path)
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def generate_card(input_file, workspace_path):
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print(f"Loading {input_file}")
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2024-09-09 12:57:25 +01:00
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front_matter = frontmatter.load(input_file)
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2024-10-28 20:28:12 +00:00
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title: str = str(front_matter.get("title"))
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date: str = str(front_matter.get("date", datetime.now().isoformat()))
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2024-09-09 12:57:25 +01:00
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if title and date:
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2024-10-28 20:28:12 +00:00
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parsed_date = datetime.fromisoformat(date).strftime("%b %d, %Y")
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parsed_html = html.replace("{title}", title).replace("{date}", parsed_date)
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# file_name = f"{uuid.uuid4()}.png"
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file_name = f"{generate_filename_hash(title, date)}.png"
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2024-09-09 12:57:25 +01:00
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hti = html2image.Html2Image()
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2024-10-28 20:28:12 +00:00
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output_path = Path(workspace_path) / "static" / "social" / file_name
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if os.path.exists(output_path):
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print(f"{output_path} Already exists, using cached image")
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return
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2024-09-09 12:57:25 +01:00
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hti.temp_path = Path(workspace_path) / "tmp"
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if not os.path.exists(hti.temp_path):
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os.mkdir(hti.temp_path)
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files = hti.screenshot(
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2024-10-28 20:28:12 +00:00
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html_str=[parsed_html], save_as=file_name, size=[(1128, 600)]
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)
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2024-09-09 12:57:25 +01:00
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# move from tmp location to workspace folder
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output_path = output_path.absolute().as_posix()
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os.rename(files[0], output_path)
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2024-10-28 20:28:12 +00:00
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if "preview" in front_matter:
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# strip '/social/' from the existing preview value
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old_fin = front_matter["preview"][:8]
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old_fill_path = Path(workspace_path) / "static" / "social" / old_fin
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if os.path.exists(old_fill_path):
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print(f"Move {old_fill_path} into cleanup...")
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os.rename(old_fill_path, old_fill_path + ".cleanup")
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front_matter["preview"] = f"/social/{file_name}"
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2024-09-09 12:57:25 +01:00
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frontmatter.dump(front_matter, input_file)
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if __name__ == "__main__":
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2024-10-28 20:28:12 +00:00
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cli()
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