/b-gtk/fix-viz

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Viewing changes to lock.py

  • Committer: Jelmer Vernooij
  • Date: 2007-07-15 15:22:29 UTC
  • Revision ID: jelmer@samba.org-20070715152229-clmlen0vpd8d2pzx
Add docstrings, remove unused code.

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Lines of Context:
lock.py
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import gtk
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RESPONSE_BREAK = 0
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RESPONSE_CANCEL = gtk.RESPONSE_CANCEL
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READ = "read"
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WRITE = "write"
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def acquire(branch, lock_type):
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    if branch.get_physical_lock_status():
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        dialog = LockDialog(branch)
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        response = dialog.run()
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        dialog.destroy()
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        if response == RESPONSE_BREAK:
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            branch.break_lock()
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        else:
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            return False
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    if lock_type == READ:
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        branch.lock_read()
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    elif lock_type == WRITE:
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        branch.lock_write()
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    return True
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def release(branch):
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    if branch.get_physical_lock_status():
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        dialog = LockDialog(branch)
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        response = dialog.run()
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        dialog.destroy()
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        if response == RESPONSE_BREAK:
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            branch.break_lock()
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        elif response == RESPONSE_CANCEL:
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            return False
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    branch.unlock()
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    return True
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class LockDialog(gtk.Dialog):
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    def __init__(self, branch):
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        gtk.Dialog.__init__(self)
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        self.branch = branch
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        self.set_title('Lock Not Held')
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        self.vbox.add(gtk.Label('This operation cannot be completed as ' \
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                                'another application has locked the branch.'))
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        self.add_button('Break Lock', RESPONSE_BREAK)
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        self.add_button(gtk.STOCK_CANCEL, RESPONSE_CANCEL)
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        self.vbox.show_all()