cleanup
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#!/usr/bin/env python3
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import sqlite3
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from datetime import datetime, timezone
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# Name of your SQLite database file
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DB_NAME = 'access_log.db'
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def convert_naive_to_timezone_aware(naive_ts):
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"""
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Convert a naive ISO timestamp (assumed to be in local time) into a timezone-aware timestamp.
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"""
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try:
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dt = datetime.fromisoformat(naive_ts)
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except Exception as e:
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print(f"Error parsing timestamp {naive_ts}: {e}")
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return naive_ts # If parsing fails, return the original value
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# If the timestamp is naive (i.e., no tzinfo), make it timezone-aware by assuming it's local time.
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if dt.tzinfo is None:
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# Get the local timezone info using the current time's offset.
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local_tz = datetime.now(timezone.utc).astimezone().tzinfo
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dt = dt.replace(tzinfo=local_tz)
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return dt.isoformat()
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else:
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# Timestamp is already timezone-aware
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return naive_ts
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def update_database():
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conn = sqlite3.connect(DB_NAME)
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cursor = conn.cursor()
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# Fetch all records' IDs and timestamps
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cursor.execute("SELECT id, timestamp FROM file_access_log")
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rows = cursor.fetchall()
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updated_count = 0
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for rec_id, ts in rows:
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new_ts = convert_naive_to_timezone_aware(ts)
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if new_ts != ts:
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cursor.execute("UPDATE file_access_log SET timestamp = ? WHERE id = ?", (new_ts, rec_id))
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updated_count += 1
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conn.commit()
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conn.close()
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print(f"Updated {updated_count} records to timezone-aware timestamps.")
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if __name__ == "__main__":
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update_database()
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import sqlite3
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def transform_database(db_path):
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# Connect to the SQLite database
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conn = sqlite3.connect(db_path)
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cursor = conn.cursor()
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# 1. Create the new table with the desired schema.
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS file_access_log_new (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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timestamp TEXT,
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rel_path TEXT,
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ip_address TEXT,
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user_agent TEXT,
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device_id TEXT
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)
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''')
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# 2. Copy data from the old table, applying the following transformations:
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# - Rename full_path to rel_path and remove '/mnt/' from its entries.
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# - Omit the referrer column.
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# - Copy ip_address into the new device_id column.
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cursor.execute('''
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INSERT INTO file_access_log_new (id, timestamp, rel_path, ip_address, user_agent, device_id)
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SELECT id, timestamp, REPLACE(full_path, '/mnt/', ''), ip_address, user_agent, ip_address
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FROM file_access_log
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''')
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# 3. Drop the old table.
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cursor.execute('DROP TABLE file_access_log')
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# 4. Rename the new table to use the original table's name.
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cursor.execute('ALTER TABLE file_access_log_new RENAME TO file_access_log')
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# Commit the changes and close the connection.
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conn.commit()
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conn.close()
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if __name__ == "__main__":
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# Replace 'your_database.db' with the path to your SQLite database file.
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transform_database("access_log.db")
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