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Arundhati Meka




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If I read your updated requirements correctly, I don't think Django's existing auth system will be sufficient. It sounds like you need a full-on ACL system.

This subject has come up a number of times. Try googling on django+acl.

Random samplings ...

There was a Summer of Code project a couple of years ago, but I'm not sure where they got to. See http://code.djangoproject.com/wiki/GenericAuthorization

There is a fresh ticket at djngoproject.org that might be interesting:

ul>
  • http://code.djangoproject.com/ticket/9444
  • >

    There is some interesting code snips on dumpz.org:

    ul>
  • http://dumpz.org/274/ models.py
  • http://dumpz.org/273/ signals.py
  • >

    ... but there are zero docs.

    Good luck!


    Answer is posted for the following question.

    Will django be a good choice for a permissions based web-app in Python Programming Language?

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    You could override the __call() method for the class, which is a "magic method" that will be used when a non-existent method is called.


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    How can i give a large number of class methods “almost” the same code in PHP Server Side Scripting Language?

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    Don't accommodate both situations. Two code paths = twice the headaches, plus there's a good chance you'll slip up and forget to handle both situations somewhere.

    I used to check if magic quotes were on or off, and if they were on, undo their magic (as others in the thread have suggested). The problem with this is, you're changing the configured environment (no matter how stupid) that another programmer may expect.

    These days I write code as though magic quotes are off, and in my main include/bootstrap/always-runs file I check if magic quotes are on or off. If they're on I throw an Exception that explains why this is a bad thing, and provide instructions on how they can be turned off.

    This approach allows you to code to a single behavior, encourages other folks using your code to configure their servers correctly (magic quotes is going away in PHP 6), and if someone really needs magic quotes on they can handle your exception and take their lives into their own hands.


    Answer is posted for the following question.

    Work around magic quotes, or just make sure they're off in PHP Server Side Scripting Language?

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    This seems to work.

    class PickleableStaticMethod(object):"    def __init__(self, fn, cls=None):"        self.cls = cls"        self.fn = fn"    def __call__(self, *args, **kwargs):"        return self.fn(*args, **kwargs)"    def __get__(self, obj, cls):"        return PickleableStaticMethod(self.fn, cls)"    def __getstate__(self):"        return (self.cls, self.fn.__name__)"    def __setstate__(self, state):"        self.cls, name = state"        self.fn = getattr(self.cls, name).fn

    The trick is to snag the class when the static method is gotten from it.

    Alternatives: You could use metaclassing to give all your static methods a .__parentclass__ attribute. Then you could subclass Pickler and give each subclass instance its own .dispatch table which you can then modify without affecting the global dispatch table (Pickler.dispatch). Pickling, unpickling, and calling the method might then be a little faster.


    Answer is posted for the following question.

    Pickling a staticmethod in Python Programming Language?

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    Alright, I guess I answered my own question.

    One way to do the above is to override gtk.Buildable's parser_finished(), which gives access to the builder object that created the class instance itself. The method is called after entire .xml file has been loaded, so all of the additional widgets we may want to get hold of are already present and intialized:

    class MyDialog(gtk.Dialog, gtk.Buildable):"    __gtype_name__ = "MyDialog"""    def do_parser_finished(self, builder):"        self.treeview = builder.get_object("treeview1")"        # Do any other associated post-initialization

    One thing to note is that for some reason (at least for me, in pygtk 2.12), if I don't explicitly inherit from gtk.Buildable, the override method doesn't get called, even thought gtk.Dialog already implements the buildable interface.


    Answer is posted for the following question.

    Gtk.builder, container subclass and binding child widgets in Python Programming Language?

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    Read up on the try: statement.

    try:"    # do something"except socket.error, e:"    # A socket error"except IOError, e:"    if e.errno == errno.EPIPE:"        # EPIPE error"    else:"        # Other error

    Answer is posted for the following question.

    How to handle a broken pipe (sigpipe) in Python Programming Language?

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    Use urllib.request.urlopen():

    import urllib.request"with urllib.request.urlopen('http://www.example.com/') as f:"    html = f.read().decode('utf-8')

    This is the most basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers.

    On Python 2, the method is in urllib2:

    import urllib2"response = urllib2.urlopen('http://www.example.com/')"html = response.read()

    Answer is posted for the following question.

    How to download a file over http in Python Programming Language?

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