33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
import os
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def get_gcode_metadata(filepath):
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metadata = {
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'print_time': '-',
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'first_layer_time': '-',
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'filament_used': '-'
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}
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if not os.path.exists(filepath):
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return metadata
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try:
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# Read the last few KB to find estimated time and filament used
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with open(filepath, 'rb') as f:
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f.seek(0, 2)
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file_size = f.tell()
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chunk_size = min(65536, file_size) # read last 64KB
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f.seek(file_size - chunk_size)
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chunk = f.read().decode('utf-8', errors='ignore')
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lines = chunk.splitlines()
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for line in reversed(lines):
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if line.startswith('; estimated printing time (normal mode) ='):
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metadata['print_time'] = line.split('=')[1].strip()
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elif line.startswith('; estimated first layer printing time (normal mode) ='):
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metadata['first_layer_time'] = line.split('=')[1].strip()
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elif line.startswith('; filament used [mm] ='):
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metadata['filament_used'] = line.split('=')[1].strip()
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except Exception:
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pass
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return metadata
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