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• Convertion strings like \\uXXXX in python

  - by Gregory Lo

  I have a strings like \uXXXX (representation) and I need to convert it into unicode. I recieve it from 3rd party service so python interpreter don't convert it and I need convertion in my code. How do I do it in Python? >>> s u'\\u0e4f\\u032f\\u0361\\u0e4f'

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• Java's equivalent to bisect in python

  - by systemsfault

  Hello all, Is there a java equivalent to python's bisect library? With python's bisect you can do array bisection with directions. For instance bisect.bisect_left does: Locate the proper insertion point for item in list to maintain sorted order. The parameters lo and hi may be used to specify a subset of the list which should be considered; by default the entire list is used.

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• python s n input to lexical analyzer

  - by dish

  hey! ppl m tryin to write a code to lexically analyse python but the codin has to b in c..i.e input should b a python module..but codin inc..help me out plzzzzz

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• Executing Multiple Lines in Python

  - by metashockwave

  When Python is first installed, the default setting executes users' code input line-by-line. But sometimes I need to write programs that executes multiple lines at once. Is there a setting in Python where I can change the code execution to one block at once? Thanks if (n/2) * 2 == n:; print 'Even'; else: print 'Odd' SyntaxError: invalid syntax When I tried to run the above code, I got an invalid syntax error on ELSE

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• POSTing a form using Python and Curl

  - by morpheous

  I am relatively new (as in a few days) to Python - I am looking for an example that would show me how to post a form to a website (say www.example.com). I already know how to use Curl. Infact, I have written C+++ code that does exactly the same thing (i.e. POST a form using Curl), but I would like some starting point (a few lines from which I can build on), which will show me how to do this using Python.

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• Php and python regexp difference?

  - by Ajel

  I need to parse a string 'Open URN: 100000 LA: ' and get 100000 from it. on python regexp (?<=Open URN: )[0-9]+(?= LA:) works fine but in php it gives following error: preg_match(): Unknown modifier '[' I need it working php, so please help me to solve this problem and tell about difference in python and php regexps.

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• Python required variable style

  - by Adam Nelson

  What is the best style for a Python method that requires the keyword argument 'required_arg': def test_method(required_arg, *args, **kwargs: def test_method(*args, **kwargs): required_arg = kwargs.pop('required_arg') if kwargs: raise ValueError('Unexpected keyword arguments: %s' % kwargs) Or something else? I want to use this for all my methods in the future so I'm kind of looking for the best practices way to deal with required keyword arguments in Python methods.

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• Does python have a session variable concept???

  - by gizgok

  I have a datetime.date variable in python.I need to pass it to a function do operations according to the date given and then increment the date for the next set of operations.The problem is I have to do the operations in diff pages and hence I need the date as a variable which can go from page to page. Can we do this in python.......

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• Filtering python string through external program

  - by Peter

  What's the cleanest way of filtering a Python string through an external program? In particular, how do you write the following function? def filter_through(s, ext_cmd): # Filters string s through ext_cmd, and returns the result. # Example usage: # filter a multiline string through tac to reverse the order. filter_through("one\ntwo\nthree\n", "tac") # => returns "three\ntwo\none\n" Note: the example is only that - I realize there are much better ways of reversing lines in python.

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• Python's cPickle deserialization from PHP?

  - by Ciantic

  Hi! I have to deserialize a dictionary in PHP that was serialized using cPickle in Python. In this specific case I probably could just regexp the wanted information, but is there a better way? Any extensions for PHP that would allow me to deserialize more natively the whole dictionary? Apparently it is serialized in Python like this: import cPickle as pickle data = { 'user_id' : 5 } pickled = pickle.dumps(data) print pickled Contents of such serialization cannot be pasted easily to here, because it contains binary data.

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• What is the new way of checking "callable" methods in python 3.xx

  - by ssaboum

  Hi, I was studying introspection in Python, and as i was getting through basic examples, i found out that the "callable" built-in function is not longer available in Python 3.1. How can i check if a method is callable now ? Thank you

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• How to insert / retrieve a file stored as a BLOB in a MySQL db using python

  - by Phage

  I want to write a python script that populates a database with some information. One of the columns in my table is a BLOB that I would like to save a file to for each entry. How can I read the file (binary) and insert it into the DB using python? Likewise, how can I retrieve it and write that file back to some arbitrary location on the hard drive?

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• SQL-wrappers (activerecord) to recommened for python?

  - by Horace Ho

  is there an activerecord (any similar SQL-wrapper) for python? which is good for: used in a server-side python script light-weight supports MySQL what I need to do: insert (filename, file size, file md5, the file itself) into (string, int, string, BLOB) columns if the same file (checksum + filename) does not exist in db thx

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• What happens when I instantiate class in Python?

  - by Konstantin

  Could you clarify some ideas behind Python classes and class instances? Consider this: class A(): name = 'A' a = A() a.name = 'B' # point 1 (instance of class A is used here) print a.name print A.name prints: B A if instead in point 1 I use class name, output is different: A.name = 'B' # point 1 (updated, class A itself is used here) prints: B B Even if classes in Python were some kind of prototype for class instances, I'd expect already created instances to remain intact, i.e. output like this: A B Can you explain what is actually going on?

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• Python script names in tasklist

  - by Richard

  I am wondering, is there a way to change the name of a script so that it is not called "python.exe" in the tasklist. The reason I am asking is that I am trying to make a batch file that run's a python script. I want the batch file to check to see if the script is already running. if the script is already running then the batch file will do nothing. Thanks

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• jquery-like HTML parsing in Python?

  - by Roy Tang

  Is there any Python library that allows me to parse an HTML document similar to what jQuery does? i.e. I'd like to be able to use CSS selector syntax to grab an arbitrary set of nodes from the document, read their content/attributes, etc. The only Python HTML parsing lib I've used before was BeautifulSoup, and even though it's fine I keep thinking it would be faster to do my parsing if I had jQuery syntax available. :D

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• Downloading a web page and all of its resource files in Python

  - by Mark

  I want to be able to download a page and all of its associated resources (images, style sheets, script files, etc) using Python. I am (somewhat) familiar with urllib2 and know how to download individual urls, but before I go and start hacking at BeautifulSoup + urllib2 I wanted to be sure that there wasn't already a Python equivalent to "wget --page-requisites http://www.google.com". Specifically I am interested in gathering statistical information about how long it takes to download an entire web page, including all resources. Thanks Mark

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• Inserting a WAV at a certain point in an audio file using python

  - by Onion

  My problem is the following: I have a 2-minute long WAV file, and my aim is to insert another WAV file (7 seconds long), at a certain point in the first WAV file (say, 0:48), essentially combining the two WAVs, using python. Unfortunately I haven't been able to figure out how to do that, and was wondering if there was some obvious solution that I was missing, or if it is even feasible to do with python. Is there perhaps a library available that might provide a solution? Thanks to all in advance.

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• Calculating time until 1st or 15th of the month in python

  - by pmilb

  I'm trying to write a little budget program in python. This is my first program I'm writing to learn python. The first step is to calculate how many days until either the 1st or 15th (paydays) depending on today's date. Can someone help me out a little?

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• information hiding in python

  - by ali

  in python tutorial added that python cannot hide its attributes from other classes. some thing such as private data in C++ or java..But also i know that we can use _ or __ to set some variables as privated one but it is not enogh. I think it is a week if it is not any thing to do it.

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• Getting two characters from string in python

  - by Adomas

  hi, how to get in python from string not one character, but two? I have: long_str = 'abcd' for c in long_str: print c and it gives me like a b c d but i need to get ab cd I'm new in python.. is there any way?

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• reading/parsing xls files with python

  - by qrbaQ

  Could someone provide the best way to read xls files with python (not csv files). if there a built in package which supported by default with python to this this task ?

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• Advantages of using *args in python instead of passing a list as a parameter

  - by apple_pie

  Hello, python newbie here. I'm going through python and I was wondering what are the advantages of using the *args as a parameter over just passing a list as a parameter, besides aesthetics?

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• Beginning python for the web

  - by Josh K

  I'm looking for a nice tutorial or framework for developing Python written web applications. I've done lots in PHP, but very little in Python or Ruby and figured I'd start with the first one alphabetically.

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• python print end=' '

  - by Hath

  i have this python script where i need to run 'gdal_retile.py' but i get this an exception on this line: if Verbose: print(Building internam Index for %d tile(s) ..." % len(inputTiles), end=' ') the end='' is invalid syntax just curious as to why.. and what the author probably meant to do. I'm new to python if you haven't already guessed.

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