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56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
"""Viu terminal image viewer renderer."""
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import subprocess
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import shutil
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from .base import PosterRenderer
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class ViuPosterRenderer(PosterRenderer):
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"""Render posters using viu terminal image viewer."""
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def render(self, image_path: str, width: int = 40) -> str:
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"""Render poster using viu.
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Args:
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image_path: Path to the poster image
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width: Width in characters (default: 40)
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Returns:
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Viu-rendered image with ANSI escape sequences
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"""
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is_valid, error_msg = self.validate_image(image_path)
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if not is_valid:
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return error_msg
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is_available, msg = self.is_available()
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if not is_available:
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return msg
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try:
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# Run viu to render the image
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# -w <width>: width in characters
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# -t: transparent background
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result = subprocess.run(
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['viu', '-w', str(width), '-t', image_path],
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capture_output=True,
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check=True
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)
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# Decode bytes output, preserving ANSI escape sequences
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return result.stdout.decode('utf-8', errors='replace')
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except subprocess.CalledProcessError as e:
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stderr_msg = e.stderr.decode('utf-8', errors='replace') if e.stderr else 'Unknown error'
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return f"Failed to render image with viu: {stderr_msg}\nPoster at: {image_path}"
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except Exception as e:
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return f"Failed to display image: {e}\nPoster at: {image_path}"
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def is_available(self) -> tuple[bool, str]:
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"""Check if viu is installed.
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Returns:
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Tuple of (is_available, message)
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"""
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if shutil.which('viu'):
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return True, ""
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return False, "viu not installed. Install with: cargo install viu"
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