🌐 Mailman 3 June 2010 - Python-list - python.org

2. Re: Python interface problem with Windows (Benjamin Kaplan)
by Kermit Rose June 27, 2010

June 27, 2010

On 6/26/2010 9:30 PM, python-list-request(a)python.org wrote: > > Today's Topics: > > 2. Re: Python interface problem with Windows (Benjamin Kaplan) > > Message: 2 > Date: Sat, 26 Jun 2010 16:26:47 -0700 > From: Benjamin Kaplan <benjamin.kaplan(a)case.edu> > To: python-list(a)python.org > Subject: Re: Python interface problem with Windows > Message-ID: > <AANLkTinFCPAdsVfR0z4nmlwRAakSzRkUa9oEQGypB7bS(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > You don't need to save scripts in C:\Python26. In fact, doing so is a > very bad idea. You should keep the libraries in one place (that would > be C:\Python26 ) and all of your individual programs somewhere else > (like your Documents folder) where you don't have to worry if two > different projects have files of the same name. For security reasons, > you don't have permission to write to the whole hard drive, just your > home directory. I do not know how to import code from any other directory than the default, C:\Python26. And how do I save the code in a different directory than the default, c:\Python26? Kermit Rose

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Re: I strongly dislike Python 3
by rantingrick June 27, 2010

June 27, 2010

> > P.S. Am I the only one who has never, ever, even *seen* a 'print' > > statement in non-toy or non-bash-script-style code in any application > > or even third-party library I looked at? Except, on occasion, for > > quick and dirty debugging. Perhaps because I'm more used to > > cross-platform to windows development, where a stray print can > > actually break the entire application (depending on contexts, if one > > is run under a service or sometimes even pythonw) Oh i dunno, these "toys" include print... C:\Python26\Lib\abc.py C:\Python26\Lib\aifc.py C:\Python26\Lib\asyncore.py C:\Python26\Lib\atexit.py C:\Python26\Lib\audiodev.py C:\Python26\Lib\base64.py C:\Python26\Lib\BaseHTTPServer.py C:\Python26\Lib\Bastion.py C:\Python26\Lib\bdb.py C:\Python26\Lib\calendar.py C:\Python26\Lib\cgi.py C:\Python26\Lib\cmd.py C:\Python26\Lib\code.py C:\Python26\Lib\collections.py C:\Python26\Lib\compileall.py C:\Python26\Lib\Cookie.py C:\Python26\Lib\cookielib.py C:\Python26\Lib\copy.py C:\Python26\Lib\cProfile.py C:\Python26\Lib\decimal.py C:\Python26\Lib\difflib.py C:\Python26\Lib\dis.py C:\Python26\Lib\doctest.py C:\Python26\Lib\DocXMLRPCServer.py C:\Python26\Lib\dummy_thread.py C:\Python26\Lib\filecmp.py C:\Python26\Lib\fileinput.py C:\Python26\Lib\formatter.py C:\Python26\Lib\fpformat.py C:\Python26\Lib\ftplib.py C:\Python26\Lib\getopt.py C:\Python26\Lib\getpass.py C:\Python26\Lib\gettext.py C:\Python26\Lib\gzip.py C:\Python26\Lib\heapq.py C:\Python26\Lib\htmllib.py C:\Python26\Lib\httplib.py C:\Python26\Lib\ihooks.py C:\Python26\Lib\imaplib.py C:\Python26\Lib\imghdr.py C:\Python26\Lib\imputil.py C:\Python26\Lib\io.py C:\Python26\Lib\keyword.py C:\Python26\Lib\linecache.py C:\Python26\Lib\locale.py C:\Python26\Lib\macurl2path.py C:\Python26\Lib\mailcap.py C:\Python26\Lib\mhlib.py C:\Python26\Lib\mimetools.py C:\Python26\Lib\mimetypes.py C:\Python26\Lib\mimify.py C:\Python26\Lib\modulefinder.py C:\Python26\Lib\netrc.py C:\Python26\Lib\nntplib.py C:\Python26\Lib\opcode.py C:\Python26\Lib\optparse.py C:\Python26\Lib\os.py C:\Python26\Lib\pdb.py C:\Python26\Lib\pickletools.py C:\Python26\Lib\pipes.py C:\Python26\Lib\platform.py C:\Python26\Lib\plistlib.py C:\Python26\Lib\poplib.py C:\Python26\Lib\pprint.py C:\Python26\Lib\profile.py C:\Python26\Lib\pstats.py C:\Python26\Lib\pyclbr.py C:\Python26\Lib\pydoc.py C:\Python26\Lib\pydoc_topics.py C:\Python26\Lib\py_compile.py C:\Python26\Lib\quopri.py C:\Python26\Lib\random.py C:\Python26\Lib\rexec.py C:\Python26\Lib\rfc822.py C:\Python26\Lib\rlcompleter.py C:\Python26\Lib\runpy.py C:\Python26\Lib\sgmllib.py C:\Python26\Lib\shlex.py C:\Python26\Lib\SimpleXMLRPCServer.py C:\Python26\Lib\site.py C:\Python26\Lib\smtpd.py C:\Python26\Lib\smtplib.py C:\Python26\Lib\sndhdr.py C:\Python26\Lib\SocketServer.py C:\Python26\Lib\sre_compile.py C:\Python26\Lib\sre_constants.py C:\Python26\Lib\sre_parse.py C:\Python26\Lib\ssl.py C:\Python26\Lib\string.py C:\Python26\Lib\StringIO.py C:\Python26\Lib\stringold.py C:\Python26\Lib\subprocess.py C:\Python26\Lib\sunaudio.py C:\Python26\Lib\symbol.py C:\Python26\Lib\symtable.py C:\Python26\Lib\tabnanny.py C:\Python26\Lib\tarfile.py C:\Python26\Lib\telnetlib.py C:\Python26\Lib\textwrap.py C:\Python26\Lib\this.py C:\Python26\Lib\threading.py C:\Python26\Lib\timeit.py C:\Python26\Lib\tokenize.py C:\Python26\Lib\trace.py C:\Python26\Lib\traceback.py C:\Python26\Lib\unittest.py C:\Python26\Lib\urllib.py C:\Python26\Lib\urlparse.py C:\Python26\Lib\uu.py C:\Python26\Lib\warnings.py C:\Python26\Lib\webbrowser.py C:\Python26\Lib\whichdb.py C:\Python26\Lib\xmllib.py C:\Python26\Lib\xmlrpclib.py C:\Python26\Lib\zipfile.py C:\Python26\Lib\__future__.py ... just children's toy's i guess ;-)

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Re: Continuously running scripts question
by Lawrence D'Oliveiro June 27, 2010

June 27, 2010

In message <mailman.2077.1277482235.32709.python-list(a)python.org>, Ian Kelly wrote: > I use cron. > > Con: Most cron implementations have a maximum frequency of once per > minute. Another con is: what happens if a run takes longer than the invocation frequency?

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Re: I strongly dislike Python 3
by Peter Kleiweg June 27, 2010

June 27, 2010

David Cournapeau schreef op de 27e dag van de zomermaand van het jaar 2010: > I doubt "porting is easier than you think" will convince many people > if they don't know what the gain will be. For example, porting numpy > and scipy to py3k has been easier than I thought, but besides making > it easier for other people to switch, I can't see *any* benefit. > That's bound to frustrate people. The latest NumPy is 1.4.1, and it does not install with Python 3.1.1 -- Peter Kleiweg L:NL,af,da,de,en,ia,nds,no,sv,(fr,it) S:NL,de,en,(da,ia) info: http://www.let.rug.nl/kleiweg/ls.html

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latex output
by ilovesss2004 June 27, 2010

June 27, 2010

Hi, The latex print function in sympy only can make latex code for math expression which includes at least a variable. If we input an expression without any variable like latex('2**2/3'), we will get '$1$' instead of '$\\frac{1}{3} 2^{2}$'. Is there a python package I can use to output latex code for math expression without variables? Thanks a lot.

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value of: None is None is None
by Alan G Isaac June 27, 2010

June 27, 2010

Surprising for a moment, if you don't immediatelyrecognize it as a chained comparison. (Just sharing.) Alan Isaac >>> None is None is None True >>> (None is None) is None False >>> None is (None is None) False

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by lost2030 June 27, 2010

June 27, 2010

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June 27, 2010

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Re: Why Is Escaping Data Considered So Magical?
by Lawrence D'Oliveiro June 27, 2010

June 27, 2010

In message <mailman.2183.1277623909.32709.python-list(a)python.org>, Ian Kelly wrote: > On Sat, Jun 26, 2010 at 8:31 PM, Lawrence D'Oliveiro > <ldo(a)geek-central.gen.new_zealand> wrote: > >> Except I only needed two calls to SQLString, while you need two dozen >> instances of that repetitive items.c boilerplate. >> >> As a human, being repetitive is not my job. That’s what the computer is >> for. > > Then why do you have every parameter prefixed with "modify_"? 8-) Touché :). Actually it’s because the same form can be used to add a new record to the table, so there’s a separate set of input fields for that. > But seriously, if that bothers you, then fold the "items.c." portion > into the generator expression with a getattr call. Or just change > them back to the same strings you had originally, and sqlalchemy will > be just as happy to accept them as-is. All this trouble, and it only gets rid of 2 of the 3 instances of data- escaping in the example.

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Re: 2. Re: Python interface problem with Windows (Benjamin Kaplan)
by rantingrick June 27, 2010

June 27, 2010

On Jun 27, 5:52 am, Kermit Rose <ker...(a)polaris.net> wrote: > On 6/26/2010 9:30 PM, python-list-requ...(a)python.org wrote: > I do not know how to import code from any other directory than the > default, C:\Python26. Kermit, There are a couple of ways to import python modules from various places. But first create a folder somewhere (like was mentioned earlier) to keep all your personal modules and scripts in. Now create a file named "myconfig.pth" and throw it in your main PythonXX folder. Any paths in this file will be added to the search path of Python modules. Now you can import from these folders Also so you will be aware. You can add folders to the python search path by appending or inserting to the sys.path array. >>> import sys >>> print sys.path [...list of paths here...] >>> sys.path.append('path\to\some\directory\containing\script.py') >>> import script.py There are other ways...

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