The SQLite database (a subset of the Itho database) can be used to dynamically interact with an Itho WPU based on the WPU version. > usage: convert-itho-db.py [-h] --itho-db [ITHO_DB] [--sqlite-db [SQLITE_DB]] > [--force] > > Convert Itho Servicetool database to SQLite > > optional arguments: > -h, --help show this help message and exit > --itho-db [ITHO_DB] Itho Database file (default: None) > --sqlite-db [SQLITE_DB] > Itho Database file (default: heatpump.sqlite) > --force Force overwrite SQLite database (default: False)master
parent
d537ab80a3
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8b34069fc6
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#!/usr/bin/env python3
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#
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# Convert the required data for python-itho-wpu from Itho Servicetool
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# $_parameters_HeatPump.par (Microsoft Access database) to SQLite SQL.
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#
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# Dependencies: python3-pyodbc, mdbtools (>= 0.9.0), odbc-mdbtools (>= 0.9.0)
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import argparse
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import db
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import os
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import pyodbc
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import re
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import sys
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def parse_args():
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parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
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description='Convert Itho Servicetool database to SQLite')
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parser.add_argument('--itho-db', nargs='?', required=True, help="Itho Database file")
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parser.add_argument('--sqlite-db', nargs='?', default='heatpump.sqlite', help="Itho Database file")
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parser.add_argument('--force', action='store_true', help="Force overwrite SQLite database")
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args = parser.parse_args()
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return args
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def convert(par_file, sqlite_db):
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par_file = par_file.replace("$", "\\$")
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par_conn = pyodbc.connect(f'DRIVER={{MDBTools}};DBQ={par_file};')
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par_conn.setencoding('UTF-8')
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par_conn.setdecoding(pyodbc.SQL_CHAR, encoding='UTF-8')
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par_cur = par_conn.cursor()
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sqlite_db = db.sqlite(sqlite_db)
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tables = []
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for table_info in par_cur.tables(tableType='TABLE'):
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if re.match('^(VersieBeheer|Data[Ll]abel|Parameterlijst)', table_info.table_name):
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tables.append(table_info.table_name)
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for t in sorted(tables):
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sqlite_db.create_table(t.lower())
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data = []
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if re.match("^Data[Ll]abel", t):
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par_cur.execute(f"select Index, Naam, Tekst_NL, Tooltip_NL, Eenheid_NL from {t}")
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rows = par_cur.fetchall()
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for r in sorted(rows):
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data.append((r.Index, r.Naam, r.Tekst_NL, r.Tooltip_NL, r.Eenheid_NL))
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if re.match("^Parameterlijst", t):
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par_cur.execute(f"select Index, Naam, Naam_fabriek, Min, Max, Default, Tekst_NL, Omschrijving_NL, Eenheid_NL from {t}")
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rows = par_cur.fetchall()
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for r in sorted(rows):
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data.append((r.Index, r.Naam, r.Naam_fabriek, r.Min, r.Max, r.Default, r.Tekst_NL, r.Omschrijving_NL, r.Eenheid_NL))
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if re.match("^VersieBeheer", t):
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par_cur.execute(f"select VersieNummer, DataLabel, ParameterLijst from {t}")
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rows = par_cur.fetchall()
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for r in sorted(rows):
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data.append((r.VersieNummer, r.DataLabel, r.ParameterLijst))
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sqlite_db.insert(t.lower(), data)
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if __name__ == "__main__":
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args = parse_args()
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print(f"Converting {args.itho_db} to {args.sqlite_db} ...")
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if not os.path.exists(args.itho_db):
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print(f"Itho database does not exist: {args.itho_db}")
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sys.exit(1)
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if os.path.exists(args.sqlite_db):
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if args.force:
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print(f"Removing existing SQLite database: {args.sqlite_db}")
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os.remove(args.sqlite_db)
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else:
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print(f"Error: SQLite database exists: {args.sqlite_db}")
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sys.exit(1)
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convert(args.itho_db, args.sqlite_db)
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@ -0,0 +1,85 @@
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import sqlite3
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from sqlite3 import Error
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class sqlite():
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def __init__(self, db_file):
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self.conn = self.connect(db_file)
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def connect(self, db_file):
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conn = None
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try:
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conn = sqlite3.connect(db_file)
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return conn
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except Error as e:
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print(e)
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return conn
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def execute(self, query, params=()):
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try:
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self.conn.row_factory = sqlite3.Row
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c = self.conn.cursor()
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c.execute(query, params)
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return [dict(row) for row in c.fetchall()]
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except Error as e:
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print("sqlite_execute failed for: {}, {}".format(query, params))
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print("Error:", e)
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def executemany(self, query, data):
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try:
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c = self.conn.cursor()
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c.executemany(query, data)
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except Error as e:
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print("sqlite_executemany failed for: {}, {}".format(query, data))
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print("Error:", e)
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def create_table(self, t):
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if t.startswith('datalabel'):
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query = """CREATE TABLE {} (
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id real,
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name text,
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title text,
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tooltip text,
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unit text
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);""".format(t)
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elif t.startswith('parameterlijst'):
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query = """
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CREATE TABLE {} (
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id real,
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name text,
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name_factory text,
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min real,
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max real,
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def real,
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title text,
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description text,
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unit text
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);""".format(t)
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elif t.startswith('versiebeheer'):
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query = """
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CREATE TABLE {} (
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version integer primary key,
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datalabel integer,
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parameterlist integer
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);""".format(t)
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self.execute(query)
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self.conn.commit()
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def insert(self, t, data):
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if t.startswith('datalabel'):
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query = """
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INSERT INTO {} (id, name, title, tooltip, unit)
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VALUES (?, ?, ?, ?, ?);
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""".format(t)
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elif t.startswith('parameterlijst'):
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query = """
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INSERT INTO {} (id, name, name_factory, min, max, def, title, description, unit)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);
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""".format(t)
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elif t.startswith('versiebeheer'):
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query = """
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INSERT INTO {} (version, datalabel, parameterlist)
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VALUES (?, ?, ?);
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""".format(t)
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self.executemany(query, data)
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self.conn.commit()
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@ -1 +1,3 @@
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pigpio
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pyodbc
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sqlite3
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Reference in new issue