Added images for failure finding section

README.rst

@@ -0,0 +1,5 @@
+Debugging Python
+================
+
+This is a presentation about debugging, debuggers and the practical introduction
+to ``pdb``.

debugging_python.tex

@@ -121,18 +121,9 @@
         \end{itemize}
         \column{.4\textwidth}
         \centering
-        \only<1>{\begin{figure}[!htbp]
+        \only<1>{\includegraphics[width=3cm]{images/find_bug.png}}
-                \includegraphics[width=3cm]{"images/find_bug.png"}
+        \only<2>{\includegraphics[width=3cm]{images/debugs.png}}
-            \end{figure}
+        \only<3>{\includegraphics[width=3cm]{images/pdb.png}}
-        }
-        \only<2>{\begin{figure}[!htbp]
-                \includegraphics[width=3cm]{images/debugs.png}
-            \end{figure}
-        }
-        \only<3>{\begin{figure}[!htbp]
-                \includegraphics[width=3cm]{images/pdb.png}
-            \end{figure}
-        }
     \end{columns}
 \end{frame}
 
@@ -142,17 +133,46 @@
 \endgroup
 
 \begin{frame}
-    \begin{itemize}
+    \begin{columns}
-        \item{traceback (obviously)}
+        \column{.5\textwidth}
-        \pause
+        \begin{itemize}[<+->]
-        \item \lstinline{print} statement
+            \item<1,2,3,4,5> traceback (obviously)
-        \pause
+            \item<2,3,4,5> \lstinline{print} statement
-        \item module \lstinline{logging}
+            \item<3,4,5> module \lstinline{logging}
-        \pause
+            \item<4,5> module \lstinline{trace}
-        \item module \lstinline{trace}
+            \item<5> debugger
-        \pause
+        \end{itemize}
-        \item debugger
+        \column{.4\textwidth}
-    \end{itemize}
+        \centering
+        \only<1>{%
+
+            \vspace*{0cm}
+            \hspace*{0cm}\includegraphics[width=5cm]{images/traceback.png}
+
+        }
+        \only<2>{%
+
+            \vspace*{0cm}
+            \hspace*{0cm}\includegraphics[width=5cm]{images/print.png}
+
+        }
+        \only<3>{%
+
+            \vspace*{0cm}
+            \hspace*{0cm}\includegraphics[width=5cm]{images/logging.png}
+
+        }
+        \only<4>{%
+
+            \vspace*{0cm}
+            \hspace*{0cm}\includegraphics[width=5cm]{images/trace.png}
+
+        }
+        \only<5>{%
+            \vspace*{0cm}
+            \hspace*{0cm}\includegraphics[width=5cm]{images/pudb.png}
+        }
+    \end{columns}
 \end{frame}
 
 \begingroup
@@ -168,7 +188,7 @@
         \begin{itemize}[<+->]
             \item<1,2,3> Text based
             \item<2,3> Graphical
-            \item<3> Embedded in IDE/editor
+            \item<3> Embedded in IDE
         \end{itemize}
         \column{.4\textwidth}
     \end{columns}
@@ -181,12 +201,15 @@
         \begin{itemize}
             \item \lstinline{pdb}
             \item \lstinline{ipdb}
-            \item \lstinline{ripdb}
             \item \lstinline{pdb++}
-            \item \lstinline{pupdb}
+            \item \lstinline{pudb}
             \item \color{blue}\href{https://wiki.python.org/moin/PythonDebuggingTools}{\uline{others}}
         \end{itemize}
         \column{.5\textwidth}
+
+        \vspace*{0cm}
+        \hspace*{0cm}\includegraphics[width=5cm]{"images/ipdb.png"}
+
     \end{columns}
 \end{frame}
 
@@ -199,11 +222,15 @@
             \item \lstinline{pywin.debugger}
         \end{itemize}
         \column{.5\textwidth}
+
+        \vspace*{0cm}
+        \hspace*{0cm}\includegraphics[width=5cm]{"images/winpdb.png"}
+
     \end{columns}
 \end{frame}
 
 \begin{frame}
-    \frametitle{Debuggers - IDE/editors}
+    \frametitle{Debuggers - IDE}
     \begin{columns}
         \column{.4\textwidth}
         \begin{itemize}
@@ -214,6 +241,10 @@
             \item \color{blue}\href{https://wiki.python.org/moin/IntegratedDevelopmentEnvironments}{\uline{others!}}
         \end{itemize}
         \column{.5\textwidth}
+
+        \vspace*{0cm}
+        \hspace*{0cm}\includegraphics[width=5cm]{"images/pycharm.png"}
+
     \end{columns}
 \end{frame}
 
@@ -222,6 +253,26 @@
     \section{Python debugger - pdb}
 \endgroup
 
+\begin{frame}
+    \frametitle{cm2inch.py}
+    \begin{itemize}
+        \item Problem: Convert length in centimetre into inch and vice versa
+        \item Solution: Simple TKinter program to do this
+        \pause
+        \item …But it doesn't work :(
+    \end{itemize}
+\end{frame}
+
+\begin{frame}
+    \frametitle{cm2inch.py - structure}
+    \begin{itemize}
+        \item Single class defined - \lstinline{CmInchConverter}
+        \item Method \lstinline{run} launches the program
+        \item Method \lstinline{_gui_initialze} builds the GUI
+        \item Method \lstinline{calculate} implements the actual calculation logic
+    \end{itemize}
+\end{frame}
+
 \begin{frame}
     \centerline{\Large Let see it in action!}
 \end{frame}

example/cm2inch.py

@@ -1,5 +1,4 @@
 import Tkinter as tk
-import ttk
 
 
 class CmInchConverter(object):
@@ -17,6 +16,32 @@ class CmInchConverter(object):
         self._gui_initialize()
         self._root.mainloop()
 
+    def calculate(self):
+        """Perform calculation"""
+        action = {1: self._inch_calculate,
+                  2: self._cm_calculate}
+        try:
+            val = int(self.value.get())
+        except ValueError:
+            val = self.value.get()
+
+        result = action[self.convert_to_inches.get()](val)
+        self.result.set(result)
+
+    def _inch_calculate(self, val):
+        """Calculate inch value from given val in cm"""
+        try:
+            return "%.4f" % val * 0.3937
+        except TypeError:
+            return "Err"
+
+    def _cm_calculate(self, val):
+        """Calculate cm value from given val in inch"""
+        try:
+            return "%.4f" % val/0.3937
+        except TypeError:
+            return "Err"
+
     def _gui_initialize(self):
         """Initialize the GUI"""
         self._root = tk.Tk()
@@ -29,7 +54,7 @@ class CmInchConverter(object):
         self.value.set("0")
         self.result.set("0")
 
-        mainframe = ttk.Frame(self._root, padding="3 3 12 12")
+        mainframe = tk.Frame(self._root, pady=5, padx=5)
         mainframe.grid(column=0, row=0, sticky=(tk.N, tk.W, tk.E, tk.S))
         mainframe.columnconfigure(0, weight=1)
         mainframe.rowconfigure(0, weight=1)
@@ -49,49 +74,22 @@ class CmInchConverter(object):
                                 value=2)
         radio2.grid(column=0, row=3, columnspan=2, **defaults)
 
-        ttk.Label(mainframe, text="Enter value:").grid(column=0, row=1,
+        tk.Label(mainframe, text="Enter value:").grid(column=0, row=1,
                                                        **defaults)
-        entry1 = ttk.Entry(mainframe, width=20, textvariable=self.value)
+        entry1 = tk.Entry(mainframe, width=20, textvariable=self.value)
         entry1.grid(column=1, row=1, **defaults)
 
-        ttk.Label(mainframe, text="Result:").grid(column=0, row=4, **defaults)
+        tk.Label(mainframe, text="Result:").grid(column=0, row=4, **defaults)
 
         entry2 = tk.Entry(mainframe, width=20, state=tk.DISABLED,
                           textvariable=self.result,
                           disabledbackground="White Smoke",
                           disabledforeground="Midnight Blue")
         entry2.grid(column=1, row=4, **defaults)
-        ttk.Button(mainframe, text="Calculate",
+        tk.Button(mainframe, text="Calculate",
                    command=self.calculate).grid(column=3, row=5, **defaults)
 
 
-    def calculate(self):
-        """Perform calculation"""
-        action = {1: self._inch_calculate,
-                  2: self._cm_calculate}
-        try:
-            val = int(self.value.get())
-        except ValueError:
-            val = self.value.get()
-
-        result = action[self.convert_to_inches.get()](val)
-        self.result.set(result)
-
-    def _cm_calculate(self, val):
-        """Calculate cm value from given val in inch"""
-        try:
-            return "%.4f" % val/0.3937
-        except TypeError:
-            return "Err"
-
-    def _inch_calculate(self, val):
-        """Calculate inch value from given val in cm"""
-        try:
-            return "%.4f" % val * 0.3937
-        except TypeError:
-            return "Err"
-
-
 def main():
     """Main function"""
     conv = CmInchConverter()