Change db access function to always get the latest committed transactions.

Fixes graph updating, so i made the label a bit prettier, and a bit better behaved.

pyfpdb/GuiGraphViewer.py

@@ -64,19 +64,22 @@ class GuiGraphViewer (threading.Thread):
 		#Set graph properties
 		self.ax = self.fig.add_subplot(111)
 
-		#
+		#Get graph data from DB
+		line = self.getRingProfitGraph(name, site)
+
 		self.ax.set_title("Profit graph for ring games")
 
 		#Set axis labels and grid overlay properites
 		self.ax.set_xlabel("Hands", fontsize = 12)
 		self.ax.set_ylabel("$", fontsize = 12)
 		self.ax.grid(color='g', linestyle=':', linewidth=0.2)
-		text = "All Hands, " + sitename + str(name)
+		text = "All Hands, " + sitename + str(name) + "\nProfit: $" + str(line[-1]) + "\nTotal Hands: " + str(len(line))
 
-		self.ax.annotate (text, (61,25), xytext =(0.1, 0.9) , textcoords ="axes fraction" ,)
+		self.ax.annotate(text, xy=(10, -10),
+                xycoords='axes points',
+                horizontalalignment='left', verticalalignment='top',
+                fontsize=10)
 
-		#Get graph data from DB
-		line = self.getRingProfitGraph(name, site)
 
 		#Draw plot
 		self.ax.plot(line,)

pyfpdb/fpdb_db.py

@@ -47,6 +47,7 @@ class fpdb_db:
 		else:
 			raise fpdb_simple.FpdbError("unrecognised database backend:"+backend)
 		self.cursor=self.db.cursor()
+		self.cursor.execute('SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED')
 		# Set up query dictionary as early in the connection process as we can.
                 self.sql = FpdbSQLQueries.FpdbSQLQueries(self.get_backend_name())
 		self.wrongDbVersion=False