54 lines
1.3 KiB
Python
Executable File
54 lines
1.3 KiB
Python
Executable File
'''
|
|
____ ___ _ _ _
|
|
/ ___| / _ \| | (_) |_ ___
|
|
\___ \| | | | | | | __/ _ \
|
|
___) | |_| | |___| | || __/
|
|
|____/ \__\_\_____|_|\__\___|
|
|
|
|
Script to read data from a sqlite database
|
|
/usr/bin/python3 /var/www/nebuleair_pro_4g/sqlite/read.py data_NPM 10
|
|
|
|
Available table are
|
|
data_NPM
|
|
data_NPM_5channels
|
|
data_BME280
|
|
data_envea
|
|
timestamp_table
|
|
data_MPPT
|
|
|
|
'''
|
|
|
|
import sqlite3
|
|
import sys
|
|
parameter = sys.argv[1:] # Exclude the script name
|
|
#print("Parameters received:")
|
|
table_name=parameter[0]
|
|
limit_num=parameter[1]
|
|
|
|
# Connect to the SQLite database
|
|
conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
|
|
cursor = conn.cursor()
|
|
|
|
# Retrieve the last 10 sensor readings
|
|
#cursor.execute("SELECT * FROM data_NPM ORDER BY timestamp DESC LIMIT 10")
|
|
#cursor.execute("SELECT * FROM data_BME280 ORDER BY timestamp DESC LIMIT 10")
|
|
#cursor.execute("SELECT * FROM timestamp_table")
|
|
if table_name == "timestamp_table":
|
|
cursor.execute("SELECT * FROM timestamp_table")
|
|
|
|
else:
|
|
query = f"SELECT * FROM {table_name} ORDER BY timestamp DESC LIMIT ?"
|
|
cursor.execute(query, (limit_num,))
|
|
|
|
|
|
rows = cursor.fetchall()
|
|
rows.reverse() # Reverse the order in Python (to get ascending order)
|
|
|
|
|
|
# Display the results
|
|
for row in rows:
|
|
print(row)
|
|
|
|
# Close the database connection
|
|
conn.close()
|