Re: python syntax
- From: Tyler Littlefield <tyler@xxxxxxxxxxxxx>
- To: programmingblind@xxxxxxxxxxxxx
- Date: Sun, 27 Dec 2009 12:24:26 -0700
the _ is just the variable syntax. the vars that it extracts or uses rather are
just in conditionals from what I remember of the code.
On Dec 27, 2009, at 12:02 PM, Alex Hall wrote:
> I know basic python, having written a program in it for a class about 3
> months ago, but this stuff is more advanced than what I learned. Is there
> something that covers these:
>
> 1. Why put an underline after the self keyword?
> 2. The method in my email returned one variable, yet it also had several vars
> which it extracted from somewhere. It did not return them, though, so why
> make them at all?
> 3. I have read about super, and I understand that it is a way of basically
> grabbing a passing bit of information, modifying it, then sening it on its
> way. I cannot understand this in practice, though, in the places where I have
> seen it.
>
>
> Have a great day,
> Alex
> New email address: mehgcap@xxxxxxxxx
> ----- Original Message ----- From: "Tyler Littlefield" <tyler@xxxxxxxxxxxxx>
> To: <programmingblind@xxxxxxxxxxxxx>
> Sent: Sunday, December 27, 2009 13:50
> Subject: Re: python syntax
>
>
> Alix,
> I'm going to recommend you read the python tutorial. Just jumping in from
> knowing another language will not work. The ideas are the same, but the
> keywords are different. Go read up on classes, self is fully explained there.
> Adding a method is as easy as just appending it in the class, making sure
> that it's indented correctly.
>
> On Dec 27, 2009, at 11:37 AM, Alex Hall wrote:
>
>> Hi all,
>> I am really trying to better understand Python, but I am lost here. I have a
>> file called pyfacebook, and it is a python wrapper for the facebook api. I
>> am trying to add a ocuple of my own methods to this file, the new stream
>> methods. I want all these methods in one class, so I created said class.
>> Now, though, I am not sure how to put my methods into my class. The file
>> contains something called an IDL, which seems to be a dictionary of methods?
>> The other problem I have is getting some necessary information for
>> connecting to facebook in the first place. Most of it can be gotten through
>> methods already in place, but I am not sure how to call one such method
>> because it has a lot of use of the word 'self' and I am unable to figure out
>> just what it returns. I have pasted this funciton below. If you understand
>> it, could you please explain it!!?? Thanks.
>>
>> def getSession(self):
>> """Facebook API call. See
>> http://developers.facebook.com/documentation.php?v=1.0&method=auth.getSession""";
>> args = {}
>> try:
>> args['auth_token'] = self._client.auth_token
>> except AttributeError:
>> raise RuntimeError('Client does not have auth_token set.')
>> result = self._client('%s.getSession' % self._name, args)
>> self._client.session_key = result['session_key']
>> self._client.uid = result['uid']
>> self._client.secret = result.get('secret')
>> self._client.session_key_expires = result['expires']
>> return result
>>
>>
>> Have a great day,
>> Alex
>> New email address: mehgcap@xxxxxxxxx
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