mirror of https://github.com/python/cpython
94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
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"""A directory browser using Ttk Treeview.
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Based on the demo found in Tk 8.5 library/demos/browse
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"""
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import os
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import glob
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import tkinter
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from tkinter import ttk
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def populate_tree(tree, node):
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if tree.set(node, "type") != 'directory':
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return
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path = tree.set(node, "fullpath")
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tree.delete(*tree.get_children(node))
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parent = tree.parent(node)
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special_dirs = [] if parent else glob.glob('.') + glob.glob('..')
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for p in special_dirs + os.listdir(path):
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ptype = None
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p = os.path.join(path, p).replace('\\', '/')
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if os.path.isdir(p): ptype = "directory"
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elif os.path.isfile(p): ptype = "file"
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fname = os.path.split(p)[1]
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id = tree.insert(node, "end", text=fname, values=[p, ptype])
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if ptype == 'directory':
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if fname not in ('.', '..'):
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tree.insert(id, 0, text="dummy")
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tree.item(id, text=fname)
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elif ptype == 'file':
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size = os.stat(p).st_size
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tree.set(id, "size", "%d bytes" % size)
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def populate_roots(tree):
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dir = os.path.abspath('.').replace('\\', '/')
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node = tree.insert('', 'end', text=dir, values=[dir, "directory"])
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populate_tree(tree, node)
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def update_tree(event):
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tree = event.widget
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populate_tree(tree, tree.focus())
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def change_dir(event):
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tree = event.widget
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node = tree.focus()
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if tree.parent(node):
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path = os.path.abspath(tree.set(node, "fullpath"))
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if os.path.isdir(path):
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os.chdir(path)
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tree.delete(tree.get_children(''))
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populate_roots(tree)
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def autoscroll(sbar, first, last):
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"""Hide and show scrollbar as needed."""
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first, last = float(first), float(last)
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if first <= 0 and last >= 1:
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sbar.grid_remove()
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else:
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sbar.grid()
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sbar.set(first, last)
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root = tkinter.Tk()
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vsb = ttk.Scrollbar(orient="vertical")
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hsb = ttk.Scrollbar(orient="horizontal")
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tree = ttk.Treeview(columns=("fullpath", "type", "size"),
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displaycolumns="size", yscrollcommand=lambda f, l: autoscroll(vsb, f, l),
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xscrollcommand=lambda f, l:autoscroll(hsb, f, l))
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vsb['command'] = tree.yview
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hsb['command'] = tree.xview
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tree.heading("#0", text="Directory Structure", anchor='w')
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tree.heading("size", text="File Size", anchor='w')
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tree.column("size", stretch=0, width=100)
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populate_roots(tree)
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tree.bind('<<TreeviewOpen>>', update_tree)
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tree.bind('<Double-Button-1>', change_dir)
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# Arrange the tree and its scrollbars in the toplevel
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tree.grid(column=0, row=0, sticky='nswe')
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vsb.grid(column=1, row=0, sticky='ns')
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hsb.grid(column=0, row=1, sticky='ew')
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root.grid_columnconfigure(0, weight=1)
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root.grid_rowconfigure(0, weight=1)
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root.mainloop()
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