Re: Unable to get Python/Gtk code to work...

[Mike Massonnet <mmassonnet gmail com>]

Hi,

> From a quick view there is no Gtk.init at the beginning (I don't know
python/gtk very well, but from a search it doesn't seem to be needed
there), and at the end it doesn't enter the main loop with gtk.main().

2009/10/12 Daniel B. Thurman <dant cdkkt com>:
> I am a first timer here and I am trying to get a
> basic TreeView application to work on Fedora-11
>
> I have gotten the following code from somewhere
> on the Internet and needed this type of application
> for a project I am working on.
>
> The code I had obtained had a couple of problems
> when dealing with file-types and was throwing an
> exception in the places where I have added my DBT
> comments, but even then, I was not able to get the
> code to display the application and there is no error
> thrown or reported as far as I can tell.
>
> Any pointers/help would be appreciated!
>
> Here is the following code:
> ============================================
> #!/usr/bin/env python
>
> import os, stat, gtk
>
> # Instantiate the tree store and specify the data types
> store = gtk.TreeStore(str, gtk.gdk.Pixbuf, int, bool)
>
> def dirwalk(path, parent=None):
>  # Iterate over the contents of the specified path
>  for f in os.listdir(path):
>    # Get the absolute path of the item
>    fullname = os.path.join(path, f)
>    # Extract metadata from the item
>    # DBT: Added try/except because certain files will cause an exception!
>    try:
>       fdata = os.stat(fullname)
>    except:
>        continue
>
>    # Determine if the item is a folder
>    is_folder = stat.S_ISDIR(fdata.st_mode)
>    # Generate an icon from the default icon theme
>    img = gtk.icon_theme_get_default().load_icon(
>        "folder" if is_folder else "document",
>        gtk.ICON_SIZE_MENU, 0)
>    # Append the item to the TreeStore
>    # DBT: Added try/except because certain files will cause an exception!
>    try:
>        li = store.append(parent, [f, img, fdata.st_size, is_folder])
>    except:
>        continue
>    # If the item is a folder, descend into it
>    if is_folder:
>        dirwalk(fullname, li)
>
> #defautPath = os.path.expanduser('~')
> defaultPath = "/home/user/wherever"
> dirwalk(defaultPath)
>
> # Create a TreeViewColumn
> col = gtk.TreeViewColumn("File")
> # Create a column cell to display text
> col_cell_text = gtk.CellRendererText()
> # Create a column cell to display an image
> col_cell_img = gtk.CellRendererPixbuf()
> # Add the cells to the column
> col.pack_start(col_cell_img, False)
> col.pack_start(col_cell_text, True)
> # Bind the text cell to column 0 of the tree's model
> col.add_attribute(col_cell_text, "text", 0)
> # Bind the image cell to column 1 of the tree's model
> col.add_attribute(col_cell_img, "pixbuf", 1)
>
> col2 = gtk.TreeViewColumn("Size")
> col2_cell_text = gtk.CellRendererText()
> col2.pack_start(col2_cell_text)
> col2.add_attribute(col2_cell_text, "text", 2)
>
> # Create the TreeView and set our data store as the model
> tree = gtk.TreeView(store)
> # Append the columns to the TreeView
> tree.append_column(col)
> tree.append_column(col2)
>
> scroll = gtk.ScrolledWindow()
> scroll.add(tree)
>
> window = gtk.Window()
> window.connect("destroy", gtk.main_quit)
> window.add(scroll)
> window.show_all()
>
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-- 
Mike