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python Programming Glossary: elementCommon pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python Use enumerate if you really need both the index and the element. for i elem in enumerate tab print i elem Be careful when using..
Parsing XML with namespace in Python ElementTree http://stackoverflow.com/questions/14853243/parsing-xml-with-namespace-in-python-elementtree map I tried reading the document at http effbot.org zone element namespaces.htm but I am still not able to get this working since.. find all the owl Class tags. Thanks. python xml parsing elementtree share improve this question ElementTree is not too smart..
Loop “Forgets” to Remove Some Items http://stackoverflow.com/questions/17299581/loop-forgets-to-remove-some-items Instead make a copy of the list so you don't remove elements from what you're iterating through. for char in textlist #shallow.. is really just syntactic sugar it still accesses list elements by index. So when you remove elements from the list while iterating.. still accesses list elements by index. So when you remove elements from the list while iterating over it you start skipping values..
How can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images both images as arrays scipy.misc.imread and calculate an element wise difference. Calculate the norm of the difference. However.. the sum of the absolute values or zero norm the number of elements not equal to zero to measure how much the image has changed... # calculate the difference and its norms diff img1 img2 # elementwise for scipy arrays m_norm sum abs diff # Manhattan norm z_norm..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python time to add remaining primes # if lastadded 1 remove last element and start adding them from tk1 # this way we don't need an if..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained is called A list is returned A single element is returned Is it called again When subsequent calls do stop.. list self # Loop on candidates they contain only one element at the beginning while candidates # Get the last candidate and..
A weighted version of random.choice http://stackoverflow.com/questions/3679694/a-weighted-version-of-random-choice I needed to write a weighted version of random.choice each element in the list has a different probability for being selected ... def weightedChoice choices Like random.choice but each element can have a different chance of being selected. choices can be..
Suggestions for a Cron like scheduler in Python? http://stackoverflow.com/questions/373335/suggestions-for-a-cron-like-scheduler-in-python zero indexed unlike cron and that range excludes the last element hence syntax like 1 5 becomes range 0 5 ie 0 1 2 3 4 . If you..
What is the most “pythonic” way to iterate over a list in chunks? http://stackoverflow.com/questions/434287/what-is-the-most-pythonic-way-to-iterate-over-a-list-in-chunks of the input or I'd have it passed in as a list of four element tuples. Currently I'm iterating over it this way for i in xrange..
How do I determine the size of an object in Python? http://stackoverflow.com/questions/449560/how-do-i-determine-the-size-of-an-object-in-python etc. in Python. Related question How many bytes per element are there in a Python list tuple I am using an XML file which..
http://stackoverflow.com/questions/509211/pythons-slice-notation So the difference beween end and start is the number of elements selected if step is 1 the default . The other feature is that.. For example if you ask for a 2 and a only contains one element you get an empty list instead of an error. Sometimes you would..
Get the cartesian product of a series of lists in Python http://stackoverflow.com/questions/533905/get-the-cartesian-product-of-a-series-of-lists-in-python improve this question In Python 2.6 import itertools for element in itertools.product somelists print element share improve..
http://stackoverflow.com/questions/5957341/python-list-confusion 0 0 0 0 0 0 0 0 0 0 0 0 0 Then I want to modify the first element in the first list a_list 0 0 23 I expected only the first element.. in the first list a_list 0 0 23 I expected only the first element of the list to be modified but actually the first element of.. element of the list to be modified but actually the first element of each list was changed 23 0 0 0 0 0 0 0 0 0 23 0 0 0 0 0 0..
Python: Sort a dictionary by value http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value 1 sorted_x will be a list of tuples sorted by the second element in each tuple. dict sorted_x x . share improve this answer..
Strip HTML from strings in Python http://stackoverflow.com/questions/753052/strip-html-from-strings-in-python to find a way to only show the contents of each HTML element and not the formatting itself. If it finds ' a href whatever.com..
Need Help using XPath in ElementTree http://stackoverflow.com/questions/1319385/need-help-using-xpath-in-elementtree Help using XPath in ElementTree I am having a heck of a time using ElementTree 1.3 in Python... XPath in ElementTree I am having a heck of a time using ElementTree 1.3 in Python. Essentially ElementTree does absolutely nothing... of a time using ElementTree 1.3 in Python. Essentially ElementTree does absolutely nothing. My XML file looks like the following..
How to add a namespace to an attribute in lxml http://stackoverflow.com/questions/1374443/how-to-add-a-namespace-to-an-attribute-in-lxml controlling the prefix name see the nsmap argument on the Element and SubElement functions and the register_namespace function.. prefix name see the nsmap argument on the Element and SubElement functions and the register_namespace function . I would look..
How do I validate xml against a DTD file in Python http://stackoverflow.com/questions/15798/how-do-i-validate-xml-against-a-dtd-file-in-python # string 1 0 ERROR VALID DTD_NOT_EMPTY Element foo was declared EMPTY this one has content share improve..
Accessing XMLNS attribute with Python Elementree? http://stackoverflow.com/questions/1953761/accessing-xmlns-attribute-with-python-elementree XMLNS attribute with Python Elementree How can one access NS attributes through using ElementTree.. Elementree How can one access NS attributes through using ElementTree With the following data xmlns http www.foo.net a xmlns a.. parse. I've added one in my example. from xml.etree import ElementTree as ET data ''' data xmlns http www.foo.net a ... xmlns..
http://stackoverflow.com/questions/285990/parse-html-via-xpath xpath parsing share improve this question In python ElementTidy parses tag soup and produces an element tree which allows.. world e tb.close e.find . http www.w3.org 1999 xhtml p Element http www.w3.org 1999 xhtml p at 264eb8 share improve this..
Get Element value with minidom, Python http://stackoverflow.com/questions/317413/get-element-value-with-minidom-python Element value with minidom Python I am creating a GUI frontend for.. import parse dom parse C eve.xml name dom.getElementsByTagName 'name' print name This seems to find the node ok but.. This seems to find the node ok but the output is below DOM Element name at 0x11e6d28 How could I get it to print the value of the..
What is the fastest way to parse large XML docs in Python? http://stackoverflow.com/questions/324214/what-is-the-fastest-way-to-parse-large-xml-docs-in-python of the Python Cookbook from xml.parsers import expat class Element object def __init__ self name attributes self.name name self.attributes.. key def getData self return self.cdata def getElements self name '' if name return c for c in self.children if c.name.. def __init__ self self.root None self.nodeStack def StartElement self name attributes element Element name.encode attributes..
Playing RTSP with python-gstreamer http://stackoverflow.com/questions/4192871/playing-rtsp-with-python-gstreamer default break return TRUE static void on_pad_added GstElement element GstPad pad gpointer data GstPad sinkpad GstElement decoder.. element GstPad pad gpointer data GstPad sinkpad GstElement decoder GstElement data We can now link this pad with the rtsp.. pad gpointer data GstPad sinkpad GstElement decoder GstElement data We can now link this pad with the rtsp decoder sink pad..
In lxml, how do I remove a tag but retain all contents? http://stackoverflow.com/questions/4681317/in-lxml-how-do-i-remove-a-tag-but-retain-all-contents text contents and childnodes just as they are. Also the b Element should be left untouched. The result should then look thus fragment..
Python: Element order in dictionary http://stackoverflow.com/questions/5792190/python-element-order-in-dictionary Element order in dictionary Here is my Django code that does not work..
Parse SGML with Open Arbitrary Tags in Python 3 http://stackoverflow.com/questions/12505419/parse-sgml-with-open-arbitrary-tags-in-python-3 LN ZIP 31337 ADDRESS The DTD company.dtd looks like this ELEMENT ROOT o COMPANY FORM ADDRESS ELEMENT COMPANY o #PCDATA ELEMENT.. looks like this ELEMENT ROOT o COMPANY FORM ADDRESS ELEMENT COMPANY o #PCDATA ELEMENT FORM o #PCDATA ELEMENT ADDRESS STREET.. ROOT o COMPANY FORM ADDRESS ELEMENT COMPANY o #PCDATA ELEMENT FORM o #PCDATA ELEMENT ADDRESS STREET ZIP ELEMENT STREET o #PCDATA..
How do I validate xml against a DTD file in Python http://stackoverflow.com/questions/15798/how-do-i-validate-xml-against-a-dtd-file-in-python StringIO from lxml import etree dtd etree.DTD StringIO ELEMENT foo EMPTY root etree.XML foo print dtd.validate root # True..
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