12 Topics
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| | I'm trying to modify this code: class Tree: def __init__(self, cargo, left=None, right=None): self.cargo = cargo self.left = left self.right = right def __str__(self): return str(self.cargo) def print_tree_inorder(tree): if tree is None: return print_tree_inorder(tree.left) print(tree.cargo, end=" ") print_tree_inorder(tree.right) So that it adds parentheses around every operator and pair of operands. … |
 | I am trying to learn element tree so that i cna work with xml files a little more indepth. I have researched it and everythign i have read says that my version of python should have ElementTree already installed on it. But every time i try to run my sample …  |
| | I have to write the an AVLTree in python, followed all the instructions and I feel I have it just right, only problem is I can't figure out how to display my tree. I have to use the test given below, as well as the 2 methods below in the … |
 | How should I make an entry appended to existing entries instead of overwriting the whole file ? class ReadWriteCustomPathsToDisk(object): """docstring for ReadWriteCustomPathsToDisk""" def __init__(self, modulePath): super(ReadWriteCustomPathsToDisk, self).__init__() self.modulePath = modulePath def _xmlFileLocation(self): xmlFileLocation = os.path.join(os.path.expanduser("~"), "Documents","searchMethod","modules.xml") return xmlFileLocation if os.path.exists(xmlFileLocation): return xmlFileLocation def readXml(self): xmlFile = self._xmlFileLocation() root = etree.parse(xmlFile).getroot() … |
| | class BTNode(object): """A node in a binary tree.""" def __init__(self, item, left=None, right=None): """(BTNode, object, BTNode, BTNode) -> NoneType Initialize this node to store item and have children left and right, as well as depth 0. """ self.item = item self.left = left self.right = right self.depth = 0 # …  |
 | Hello everyone, I have to code an array that in each row, it has 16 columns! So I called it myself a 17 dimensional array but I was wondering what data sturcture in Python can best represent this keeping in mind that, it should be easily addressable and modifible. For … |
| | I am having trouble parsing xml files using ElementTree after the python code is turned into .exe using cx_freeze. [CODE] from xml.etree import ElementTree file1 = 'file1' file2 = 'file2' tree1 = ElementTree.parse(file1) tree2 = ElementTree.parse(file2) print 'Done' [/CODE] It works fine with the .py file, but after I made … |
 | This snippet defines a function walk() which generically performs a depth-first traversal of a tree, using preorder, inorder or postorder rules. Here, genericity means here that there are no hypotheses on what the tree nodes are or the implementation of the tree. Walk() only needs an arbitrary object used as … |
| | Hello everyone, I have created my own random text generator with a custom method, no Markov chains included, and now I would like to try it on a different text corpus that is larger from that of NLTK's and I wanted to know which Data structure should I use in … |
| | Hey All, I have written a script that uses elementTree to work on python 2.4. Took quite a while and worked a threat but now I need to get it working on 2.3.4. I can't upgrade the version of python. Is there an equivelent version of the element tree for … |
| | hi, i'm using Element Tree API to generate XML. But I'm getting error when opening the xml output. I tried to generate to a file and it worked. No error when running the Python code. Pls advise me why is not workin when i generate to an xml. fyi i'm … |
 | Not my code but I think free to share. This is intended as beginning point of learning classes or learning data structures. Read the document [url]http://mcsp.wartburg.edu/zelle/python/python-first.html[/url] As first exercise, this does not work instead of the while loop in test part: [CODE] for i in numbers: print i [/CODE] [QUOTE] … |