Client interface to display the sensor data from another machine.

build1/cli/display.py

@@ -0,0 +1,89 @@
+import tkinter as tk
+import psycopg2 as pg
+import datetime as dt
+
+SQL_SRV='192.168.89.6'
+SQL_USR='pistats'
+SQL_PWD='pistats'
+SQL_DB='pistats'
+
+class Application(tk.Frame):
+    def __init__(self, master=None):
+        tk.Frame.__init__(self, master)
+        self.pack()
+        master.title("PiTool Client")
+        self.grid(column=0, row=0, sticky=(tk.N, tk.W, tk.E, tk.S))
+        self.columnconfigure(0, weight=1)
+        self.rowconfigure(0, weight=1)
+        self.data_temp = tk.StringVar()  
+        self.data_humidity = tk.StringVar()  
+        self.data_light = tk.StringVar()  
+        self.data_motion = tk.StringVar()  
+        self.data_time = tk.StringVar() 
+        self.sqlcon = None
+        self.sqlcur = None
+        self.createWidgets()
+
+    def createWidgets(self):
+        self.lbl_temp = tk.Label(self, textvariable=self.data_temp, width=20).grid(row=0, column=0, sticky=(tk.W, tk.N))
+        self.lbl_humidity = tk.Label(self, textvariable=self.data_humidity, width=20).grid(row=0, column=1, sticky=(tk.E, tk.N))
+        self.lbl_light = tk.Label(self, textvariable=self.data_light, width=20).grid(row=1, column=0, sticky=(tk.W, tk.N))
+        self.lbl_motion = tk.Label(self, textvariable=self.data_motion, width=20).grid(row=1, column=1, sticky=(tk.E, tk.N))
+        self.lbl_motion = tk.Label(self, textvariable=self.data_time, width=20).grid(row=2, column=3, sticky=(tk.E, tk.S))
+        self.btn_update = tk.Button(self, text="Update Now", command=self.do_update).grid(column=0, row=2, sticky=(tk.W, tk.S))
+     
+    def updateLabels(self):
+        self.data_time.set("" + str(dt.datetime.now()))
+        
+        if self.sqlcur is not None:
+            self.sqlcur.execute("""select id, sensor_type, data_read, time_read from v_sensordata_current""")
+            while True:
+                data = self.sqlcur.fetchone()
+
+                if data and str(data[1]) == 'motion':
+                    self.data_motion.set("Motion: " + str(data[2]))
+                elif data and str(data[1]) == 'light':
+                    self.data_light.set("Light: " + str(data[2]))
+                elif data and str(data[1]) == 'temperature':
+                    self.data_temp.set("Temp: " + str(data[2]) + ' C')
+                elif data and str(data[1]) == 'humidity':
+                    self.data_humidity.set("Humidity: " + str(data[2]) + ' %')
+
+                if not data:
+                    break
+
+        self.after(2000,  self.updateLabels)  
+
+        #self.QUIT = tk.Button(self, text="QUIT", fg="red",command=master.destroy)
+        #self.QUIT.pack(side="bottom")
+
+    def do_update(self):
+        print("hi there, everyone!")
+        self.updateLabels()
+
+
+def main():
+    try:
+        root = tk.Tk()
+        app = Application(master=root)
+        app.sqlcon = pg.connect(host=SQL_SRV,user=SQL_USR,password=SQL_PWD,database=SQL_DB)
+        app.sqlcur = app.sqlcon.cursor()
+
+
+        app.updateLabels()
+        app.mainloop()
+        
+        app.sqlcur.close()
+        app.sqlcon.close()
+        print('Exit')
+        
+
+    except pg.Error as e:
+        print("Sql error: " + str(e))
+
+    except Exception as e:
+        print("Unknow error: " + str(e))
+
+
+if __name__ == '__main__':
+    main()