70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
# File: logs.py
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# Copyright (C) 2026 Erick Ahmed
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# SPDX-License-Identifier: AGPL-3.0-or-later
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import pandas as pd
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import plotly.graph_objects as go
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from dash import html, dcc
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def render_logs_table(df: pd.DataFrame):
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if df is None or df.empty:
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return html.Div("No data available")
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df = df.copy()
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if 'j1939_metadata' in df.columns:
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df['Priority'] = df['j1939_metadata'].apply(lambda x: x.get('Priority') if isinstance(x, dict) else None)
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df['PF'] = df['j1939_metadata'].apply(lambda x: x.get('PF') if isinstance(x, dict) else None)
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df['PS'] = df['j1939_metadata'].apply(lambda x: x.get('PS') if isinstance(x, dict) else None)
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df['SA'] = df['j1939_metadata'].apply(lambda x: x.get('SA') if isinstance(x, dict) else None)
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df['DA'] = df['j1939_metadata'].apply(lambda x: x.get('DA') if isinstance(x, dict) else None)
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df['PGN'] = df['j1939_metadata'].apply(lambda x: x.get('PGN') if isinstance(x, dict) else None)
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else:
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for col in ['Priority', 'PF', 'PS', 'SA', 'DA', 'PGN']:
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df[col] = None
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for i in range(8):
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col = f'b{i}'
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if col in df.columns:
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df[col] = df[col].apply(lambda x: f"{int(x):02X}" if pd.notna(x) else "")
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else:
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df[col] = ""
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if 'ID' in df.columns:
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df['ID'] = df['ID'].astype(str)
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display_cols = ['Timestamp', 'ID', 'DLC', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'Priority', 'PF', 'PS', 'SA', 'DA', 'PGN']
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display_df = df[[c for c in display_cols if c in df.columns]]
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display_df = display_df.fillna("")
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max_rows = 1000
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total_rows = len(display_df)
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if total_rows > max_rows:
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display_df = display_df.iloc[:max_rows]
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fig = go.Figure(data=[go.Table(
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header=dict(
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values=["<b>" + str(c) + "</b>" for c in display_df.columns],
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fill_color='#1a1a1a',
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font=dict(color='white', size=12),
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align='center'
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),
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cells=dict(
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values=[display_df[col] for col in display_df.columns],
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fill_color='#f8f9fa',
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font=dict(color='#2a2a2a', size=11),
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align='center'
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)
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)])
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fig.update_layout(
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height=800,
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margin=dict(l=0, r=0, t=10, b=0)
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)
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return html.Div([
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html.Div(f"Displaying first {len(display_df)} of {total_rows} total frames.", className="text-muted mb-2"),
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dcc.Graph(figure=fig, style={'height': '80vh'})
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])
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