Cheat Sheet sc3 <-> Python
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Geometric series Array.geom(<sz>, <strt>, <stp>) <-> range(<start>, <end>, <step>)
List Comprehension collect <-> map
Array.fill(<n>, <function>) <-> map(<function>, range(0, <n-1>))
<-> [<exp> for x in <array>]
<-> (see [1] for further details)
creating a function {|<args>| <body>} <-> def ...
<-> lambda [<params>, ...]: <expr>
flat an array <array>.flat <-> from numarray import array
<-> a = array([1,2],[3,4])
<-> a.getflat()
<-> # or
<-> def flatten(a, b):
<-> if isinstance(a, list):
<-> [flatten(x, b) for x in a]
<-> else:
<-> b.append(a)
<-> (example at [2] below)
class creation <ClassName> : <Ancestor> { <-> class <name>(<Ancestor>):
<body> <-> <body>
} <->
class methods <name> {|<args>| <-> def <name>(self, <args>):
<body> <-> <body>
} <->
private methods pr_<name> {}// only convention <-> def __<name>(self): <body>
import modules see Quarks Helpfile <-> import <modulename>
<-> from <modulename> import *
<-> import <modulename>.<class>
<-> from <modulename> import <class>
<-> import <modulename>.<class> as <name>
GETTING HELP IN OSX APP <-> INTERACTIVE SHELL
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view sourcecode <cmd-y> <-> import <module>
<-> dir(<module>)
<-> # instance
<-> import <module>
<-> s = <module>.<class>()
<-> dir(s)
view help <cmd-?> <-> help(<helptext>)
[1] tutorial on List Comprehensions
[2] example for flatten definition
a = [[1,2],[3,4],[1,2,3]] b = [] flatten(a, b) print b #prints [1, 2, 3, 4, 1, 2, 3]
contributions by
- LFSaw.de
- Jamie Bullock
- altern
