Re: Python dot-equals (syntax proposal)

On 05/02/10 10:58, Steven D'Aprano wrote: >> > And Python's object system >> > makes it that the argument to __getattr__ is always a string even though >> > there might be a valid variable that corresponds to it: > That is nothing to do with the object system, it is related to the > semantics of P

Re: Help needed in downloading Brown corpus

On May 2, 6:30 am, Steven D'Aprano wrote: > On Sat, 01 May 2010 06:28:33 -0700, Adil Kaleem wrote: > > Hi all > > I'm a masters student in NLP. I needed to download the Brown corpus. I'm > > unable to download from nltk.org with the python CLI. My network > > connection is behind a proxy server so

sometype.__new__ and C subclasses

I've been trying to write a Python C extension module that uses NumPy and has a subtype of numpy.ndarray written in C. However, I've run into a snag: calling numpy.ndarray.__new__(mysubtype, ...) triggers an exception in the bowels of Python (this is necessary for a handful of NumPy features).

Re: Help needed in downloading Brown corpus

On May 1, 10:54 pm, Peter Pearson wrote: > > As I understand it (from Wikipedia), the Brown Corpus is a > collection of samples of modern American English text, and > nltk.org provides a Python toolkit for exploring said Corpus. > > I'm trying to figure out whether you're trying to get the > Corp

Re: Python dot-equals (syntax proposal)

On Sat, May 1, 2010 at 10:05 PM, Alf P. Steinbach wrote: > On 02.05.2010 06:06, * Aahz: >> In article<4bdcd631$0$27782$c3e8...@news.astraweb.com>, >> Steven D'Aprano  wrote: >>> >>> On Sat, 01 May 2010 07:13:42 -0500, Tim Chase wrote: The += family of operators really do rebind the symbo

Re: Python dot-equals (syntax proposal)

On 02.05.2010 06:06, * Aahz: In article<4bdcd631$0$27782$c3e8...@news.astraweb.com>, Steven D'Aprano wrote: On Sat, 01 May 2010 07:13:42 -0500, Tim Chase wrote: The += family of operators really do rebind the symbol, not modify the object. They potentially do both, depending on the object,

Re: [capi-sig] SWIG + expy

Jack Jansen, 01.05.2010 23:40: I would be very interested in a universal intermediate format for all the interface generators. I'm still using a version of Guido's old bgen, now grudgingly extended to handle C++ and do bidirectional bridging between Python and C++, and while I love and cherish th

Re: Python dot-equals (syntax proposal)

In article <4bdcd631$0$27782$c3e8...@news.astraweb.com>, Steven D'Aprano wrote: >On Sat, 01 May 2010 07:13:42 -0500, Tim Chase wrote: >> >> The += family of operators really do rebind the symbol, not modify the >> object. > >They potentially do both, depending on the object, even for built-ins.

Re: Ignoring XML Namespaces with cElementTree

> Unless you have multiple namespaces or are working with defined schema > or something, it's useless boilerplate. > > It'd be a nice feature if ElementTree could let users optionally > ignore a namespace, unfortunately it doesn't have it. Yep. Exactly my point. Here's a link to the patch address

Re: Python dot-equals (syntax proposal)

On May 1, 9:03 pm, Chris Rebert wrote: > In both cases, __iOP__ operator methods are being used, not vanilla > __OP__ methods, so neither of your examples are relevant to Mr. > Chase's point. Well, Tim's main assertion was: "The += family of operators really do rebind the symbol, not modify the o

Re: Python dot-equals (syntax proposal)

On Sat, 01 May 2010 19:03:04 -0700, Chris Rebert wrote: > On Sat, May 1, 2010 at 6:32 PM, Steven D'Aprano > wrote: >> On Sat, 01 May 2010 07:13:42 -0500, Tim Chase wrote: >>> This doesn't preclude you from implementing a self-mutating += style >>> __add__ method and returning "self", but it's usu

Re: Python dot-equals (syntax proposal)

On Sat, May 1, 2010 at 6:32 PM, Steven D'Aprano wrote: > On Sat, 01 May 2010 07:13:42 -0500, Tim Chase wrote: >> This doesn't preclude you from implementing a self-mutating += style >> __add__ method and returning "self", but it's usually a bad idea > > Obviously the Python dev team don't agree wi

Re: Python dot-equals (syntax proposal)

On Sat, 01 May 2010 07:13:42 -0500, Tim Chase wrote: > On 05/01/2010 12:08 AM, Patrick Maupin wrote: >> +=, -=, /=, *=, etc. conceptually (and, if lhs object supports in- >> place operator methods, actually) *modify* the lhs object. >> >> Your proposed .= syntax conceptually *replaces* the lhs ob

Re: Help needed in downloading Brown corpus

On Sat, 01 May 2010 06:28:33 -0700, Adil Kaleem wrote: > Hi all > I'm a masters student in NLP. I needed to download the Brown corpus. I'm > unable to download from nltk.org with the python CLI. My network > connection is behind a proxy server so it's creating a problem. Since I > don't know a bit

Re: Fast Efficient way to transfer an object to another list

On Sat, 01 May 2010 08:11:45 -0700, Francesco Bochicchio wrote: > On 1 Mag, 05:35, Steven D'Aprano > wrote: > > >> def transfer_stock(stock_code, old_list, new_list): >>     """ Transfer a stock from one list to another """ while True:  # >>     loop forever >>         try: >>             i = o

Re: Python dot-equals (syntax proposal)

On Sun, 02 May 2010 05:08:53 +1000, Lie Ryan wrote: > On 05/01/10 11:16, Steven D'Aprano wrote: >> On Fri, 30 Apr 2010 12:34:34 -0400, D'Arcy J.M. Cain wrote: >> >> In practice though, I think that's a difference that makes no >> difference. It walks like an operator, it swims like an operator, a

Re: Need direction on mass find/replacement in HTML files

One single line regex solution would be: re.sub(r'http\://www.mysite.org/\?page=([^"]+)',r'pages/\1.htm',html) -- http://mail.python.org/mailman/listinfo/python-list

Re: jpeg package

This gets you the cached page link I also fond some of the source pages in googles cache *Vincent Davis 720-301-3003 * vinc...@vincentda

Re: [capi-sig] SWIG + expy

On 27-Apr-2010, at 08:30 , Yingjie Lan wrote: > Hi, > > Is it possible to use SWIG to parse C/C++, and provide an interface for me to > generate some code? I thought it might be good to have SWIG help generate > expy (see http://expy.sourceforge.net) files, then generate the python > extensi

Re: matching strings in a large set of strings

Dennis Lee Bieber wrote: > On Sat, 01 May 2010 13:48:02 +0200, News123 declaimed > the following in gmane.comp.python.general: > >> Dennis Lee Bieber wrote: >>> That lets you do a binary search on the file. Much faster than a >>> linear search (linear search will average out to 41.5M read ope

jpeg package

Hi, I've used the jpeg library on PyPI in the past and it's been great: http://pypi.python.org/pypi/jpeg/0.1.4 However, the library home page is now unaccessible. I can't even find the library on archive.org. Any idea how I can get it? http://www.emilas.com/jpeg/ Thanks, Paul -- http://mail.py

Re: Python dot-equals (syntax proposal)

On Sun, 02 May 2010 05:08:53 +1000 Lie Ryan wrote: > On 05/01/10 11:16, Steven D'Aprano wrote: > > On Fri, 30 Apr 2010 12:34:34 -0400, D'Arcy J.M. Cain wrote: > > > > In practice though, I think that's a difference that makes no difference. > > It walks like an operator, it swims like an operato

Re: recommended way to insert data into a one to many relationship using python

Wolfgang Meiners wrote: > Hi, > > one to many relationships are fairly common, i think. So there should be > a recommended way to insert data into such a relation using python. > > > Given the following programm, what is the recommended way to insert the > list of NewEmployees to the database?

Re: Python dot-equals (syntax proposal)

On May 1, 7:13 am, Tim Chase wrote: > On 05/01/2010 12:08 AM, Patrick Maupin wrote: > > > +=, -=, /=, *=, etc.  conceptually (and, if lhs object supports in- > > place operator methods, actually) *modify* the lhs object. > > > Your proposed .= syntax conceptually *replaces* the lhs object > > (act

Re: Python dot-equals (syntax proposal)

On 05/01/10 11:16, Steven D'Aprano wrote: > On Fri, 30 Apr 2010 12:34:34 -0400, D'Arcy J.M. Cain wrote: > > In practice though, I think that's a difference that makes no difference. > It walks like an operator, it swims like an operator, and it quacks like > an operator. > Nope it's not. A ful

Re: Help needed in downloading Brown corpus

On Sat, 1 May 2010 06:28:33 -0700 (PDT), Adil Kaleem wrote: > Hi all > I'm a masters student in NLP. I needed to download the Brown corpus. > I'm unable to download from nltk.org with the python CLI. My network > connection is behind a proxy server so it's creating a problem. Since > I don't know a

recommended way to insert data into a one to many relationship using python

Hi, one to many relationships are fairly common, i think. So there should be a recommended way to insert data into such a relation using python. Given the following programm, what is the recommended way to insert the list of NewEmployees to the database?

Re: Fast Efficient way to transfer an object to another list

On Fri, Apr 30, 2010 at 9:16 PM, Jimbo wrote: > Hello I have a relatively simple thing to do; move an object from one > to list into another. But I think my solution maybe inefficient & > slow. > Removing an item from a list is O(n) on average, so it's going to be a bit slow any way you slice it

Re: Windows7 run python script / sub process with elevated privileges

I Found a first solution, though not very satisfying: News123 wrote: > Hi, > > I have a small python script, which has been started as normal non > privileged user. > > At a later point in time it would like to start another python script > with elevated privileges. > > How can I write my code s

Re: Fast Efficient way to transfer an object to another list

On 1 Mag, 05:35, Steven D'Aprano wrote: > > def transfer_stock(stock_code, old_list, new_list): >     """ Transfer a stock from one list to another """ >     while True:  # loop forever >         try: >             i = old_list.index(stock_code) >         except ValueError: >             # not fo

Re: Fast Efficient way to transfer an object to another list

Tim Chase wrote: On 04/30/2010 10:35 PM, Steven D'Aprano wrote: If you know there is one, and only one, item with that stock code: def transfer_stock(stock_code, old_list, new_list): """ Transfer a stock from one list to another """ i = old_list.index(stock_code) # search new_li

Re: Python dot-equals (syntax proposal)

On 01.05.2010 14:13, * Tim Chase: On 05/01/2010 12:08 AM, Patrick Maupin wrote: +=, -=, /=, *=, etc. conceptually (and, if lhs object supports in- place operator methods, actually) *modify* the lhs object. Your proposed .= syntax conceptually *replaces* the lhs object (actually, rebinds the lhs

Windows7 run python script / sub process with elevated privileges

Hi, I have a small python script, which has been started as normal non privileged user. At a later point in time it would like to start another python script with elevated privileges. How can I write my code such, that I will get the privilege elevation prompt and I can start a sub process / pyt

Re: Help needed in downloading Brown corpus

try this: run this in your terminal before you hit nltk.download(). Don't forget to set username, password and proxy info for your own system.(in PROXY_INFO) import urllib2 PROXY_INFO = { 'user' : username, 'pass' : password, 'host' : proxy_server, 'port' : proxy_port } proxy_support =

Help needed in downloading Brown corpus

Hi all I'm a masters student in NLP. I needed to download the Brown corpus. I'm unable to download from nltk.org with the python CLI. My network connection is behind a proxy server so it's creating a problem. Since I don't know a bit of python, so unable to figure a way out. Can someone help me in

Re: Fast Efficient way to transfer an object to another list

On 04/30/2010 10:35 PM, Steven D'Aprano wrote: If you know there is one, and only one, item with that stock code: def transfer_stock(stock_code, old_list, new_list): """ Transfer a stock from one list to another """ i = old_list.index(stock_code) # search new_list.append(old_list

Re: Python dot-equals (syntax proposal)

Tim Chase, 01.05.2010 14:13: On 05/01/2010 12:08 AM, Patrick Maupin wrote: +=, -=, /=, *=, etc. conceptually (and, if lhs object supports in- place operator methods, actually) *modify* the lhs object. Your proposed .= syntax conceptually *replaces* the lhs object (actually, rebinds the lhs symb

Re: matching strings in a large set of strings

Duncan Booth, 30.04.2010 10:20: So more than 3GB just for the strings (and that's for Python 2.x on Python 3.x you'll need nearly 5GB). Running on a 64 bit version of Python should be fine, but for a 32 bit system a naive approach just isn't going to work. Option 1: use a trie. That should redu

Re: Python dot-equals (syntax proposal)

On 05/01/2010 12:08 AM, Patrick Maupin wrote: +=, -=, /=, *=, etc. conceptually (and, if lhs object supports in- place operator methods, actually) *modify* the lhs object. Your proposed .= syntax conceptually *replaces* the lhs object (actually, rebinds the lhs symbol to the new object). The

Re: Ignoring XML Namespaces with cElementTree

Carl Banks, 01.05.2010 12:33: On Apr 29, 10:12 pm, Stefan Behnel wrote: dmtr, 30.04.2010 04:57: I don't want these "{http://www.very_long_url.com}"; in front of my tags. They create performance disaster on large files I seriously doubt that they do. I don't know what kind of XML files you

Re: http://pypi.python.org/pypi

> I have only access to the webpage form too upload my one file. > pkginfo is ok, just want to at a single .py file instead of a complete > site-package tar directory, because it is not a site-package, its more > like a single exe file. Uploading individual .py files is not supported. If it's not

Re: Use Regular Expressions to extract URL's

A John Gruber post from November seems relevant. I have not tried his regex in any language. http://daringfireball.net/2009/11/liberal_regex_for_matching_urls Regards, Walter. -- http://mail.python.org/mailman/listinfo/python-list

Re: matching strings in a large set of strings

Dennis Lee Bieber wrote: > On Thu, 29 Apr 2010 11:38:28 +0200, "Karin Lagesen" > declaimed the following in comp.lang.python: > >> Hello. >> >> I have approx 83 million strings, all 14 characters long. I need to be >> able to take another string and find out whether this one is present >> within

Re: Performance of list.index - how to speed up a silly algorithm?

Maybe this should be implemented in C. But I believe that the algorithm itself must be wrong (regardless of the language). I really think that I'm doing something wrong. Looks like my algorithm's processing time is not linear to the number of rows. Not even log(n)*n. There should be a more ef

PyObject_SetAttrString - doesn't set instance attribute

I'm having a bit of trouble with C/Python bindings. Particularly, trying to set an instance variable from C when the object is initialised using PyObject_SetAttrString, but nothing seems to happen. The C initialisation code is: static void nautilus_python_object_instance_init (NautilusPythonObject

Re: Python daemonisation with python-daemon

Thomas Courbon writes: > I would like to turn my server script into a Linux/Unix daemon > (launched at boot time by init, dunno if that matter) using the nice > python-daemon package by Ben Finley et al I resemble that name :-) > This package comes with a class DaemonRunner that seems to fit al

Re: CGI python 3 write RAW BINARY

Le 30/04/2010 17:52, Antoine Pitrou a écrit : Le Thu, 29 Apr 2010 23:37:32 +0200, Dodo a écrit : I don't get a thing. Now with the fix : All browsers shows a different thing, but not the image! http://ddclermont.homeip.net/misc/python/ If I save it to computer : * Windows image viewer won't

Re: Ignoring XML Namespaces with cElementTree

On Apr 29, 10:12 pm, Stefan Behnel wrote: > dmtr, 30.04.2010 04:57: > > > > > I'm referring to xmlns/URI prefixes. Here's a code example: > >   from xml.etree.cElementTree import iterparse > >   from cStringIO import StringIO > >   xml = """http://www.very_long_url.com";> > root>""" > >   for even

Re: Ignoring XML Namespaces with cElementTree

On Apr 27, 6:42 pm, dmtr wrote: > Is there any way to configure cElementTree to ignore the XML root > namespace?  Default cElementTree (Python 2.6.4) appears to add the XML > root namespace URI to _every_ single tag.  I know that I can strip > URIs manually, from every tag, but it is a rather idio

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Re: External Hashing [was Re: matching strings in a large set of strings]

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