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  • Rebuilding the PSF - Q4 2020 Fundraiser

    ...if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp = new XMLHttpRequest(); } else { // code for IE6, IE5 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { var response; response = JSON.parse(xmlhttp.responseText); percent = response.total/goal; ...

  • Quotes about Python

    ...else with the flexibility and as many web libraries," said Prof. James A. Hendler. EZTrip.com "The travel industry is made up of a myriad supplier data feeds all of which are proprietary in some way and are constantly changing. Python repeatedly has allowed us to access, build and test our in-house communications with hundreds of travel suppliers around the world in a matter of days rather then the months it would have taken using other languages. Since adopting Python 2 years ago...

  • Python Success Stories

    ...ifications. "Python allows us to tackle the complexity of programs like the WAS without getting bogged down in the language," says Robin Friedrich, USA's Senior Project Engineer. Friedrich conceived of the WAS project in response to a significant gap in the way shuttle mission planning was handling data management. "Historically," Friedrich says, "this data has been communicated using paper and, more recently, data file exchange. But both of these approaches are error-pr...

  • A Journey to Python

    ...ife, moved to California, and here I happily live, serving as "Uber Tech Lead" for that deep-infrastructure software we call "Production Systems", where Python plays a crucial role (though not an exclusive one, as C++ is also important here). I was pleasantly surprised to find that working at Google, even in such a fascinatigly challenging position as Uber Tech Lead is, allows enough "work-life balance" (or in my case work-work balance :-) to let me write the second...

  • Python Distutils-SIG: Design Proposal

    ...ific options. (Command will provide a constructor that takes a Distribution class and an optional list of arguments for this command, and parse the argument list by inspecting getopt-style option specifiers in the Command-derived instance.) Each command class must provide a method run that uses the information in the Distribution instance and the command options to "do its thing". Well-written command classes will parcel this task out into several ...

  • Python Distutils-SIG: Design Proposal

    ...ific options. (Command will provide a constructor that takes a Distribution class and an optional list of arguments for this command, and parse the argument list by inspecting getopt-style option specifiers in the Command-derived instance.) Each command class must provide a method run that uses the information in the Distribution instance and the command options to "do its thing". Well-written command classes will parcel this task out into several ...

  • Debugging Reference Count Problems

    ...then carefully read the descriptions of the functions you're calling. (I know, the manual is not complete; but it isn't *that* incomplete, and if you're finding a function that's not in the manual, reading its source usually gives a clue.) So says I (beginning to talk to self), why not print the environment in which the functions are being run to see what's going on... no sooner said than done. And the error disappeared! Take the printing line out -- error reappears (iterate three...

  • Download Python for other platforms

    ...ific computing modules, not open source) Python for RISC OS Python is available for RISC OS, and can be obtained using the PackMan package manager. Python for Solaris You can purchase ActivePython (commercial and community versions, including scientific computing modules, not open source), or build from source if you have a C compiler. UNIX Packages has a variety of Python versions for a variety of Solaris versions. These use the standard Sun pkgadd. Python for UEFI Environment ...

  • Python Software Foundation Board Meeting Minutes 2006-09-18

    ...then start looking around for someone else. D. Ascher reminded the board that he had spoken with a lawyer who does a lot of software legal work, and who seemed interested in doing work for the PSF. D. Ascher will follow up regarding potential new legal counsel for the PSF. S. Deibel noted that we probably still do need volunteer help from a lawyer or it will be too expensive to do some things. 5   Adjournment S. Deibel adjourned the meeting at 17:49 UTC.

  • 2009-12-21 PSF Board Meeting Minutes

    ...ifficulty of finding and disseminating videos related to Python," I disagree with the preposition: Python videos are not difficult to find." D. Mertz: "I don't see enough benefit to fund it at levels like they are requesting." J. Rush: "I agree, just finding them [Python videos] is not hard but I'd hoped it would also critique or filter them too." S. Holden: "It's not difficult to find Python videos, but it's not easy to find a specific video. It would be nice ...

  • Python Humor

    ...If you are a former Pascal or Ada programmer this will change your usual notation to: if x: #BEGIN x = x + 1 #END If you are more familiar with C and C++ then you will be comfortable with either: if x: #{ x = x + 1 #} or: if x: x = x + 1 or even: if x: x = x + 1 C programmers will be happy to hear that the Python parser will do the right thing even if curly braces are not included when two tra...

  • Release – Python 3.14.0b2

    Version: None

    Released: May 26, 2025

    Here's the second 3.14 beta. https://www.python.org/downloads/release/python-3140b2/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b2, is the first of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes …

    View Release Notes

  • Python Success Stories

    ...else included with Python, well thought out, spec compliant, and powerful. Gusto.com often builds automated test suites in Python, in order to validate a new supplier Web service before rolling it into its web presence. Python's rapid development times and capacity for automating this kind of testing makes it possible to quickly find and work around bugs in the supplier's code, resulting in a more a robust web application. Social Network Building a social network for travelers was not a trivia...

  • Python Success Stories

    ...else in another part of the application. We now write unit tests for each and every API as the API is being designed. This means that we can verify the changes in one module as well as its effects on all the others simply by running the unit tests for the entire API. Since introducing Python and unit testing, the nature of the bugs that we see in deployed applications has shifted to include primarily those in the user interface, such as layout problems or faulty event handling. These days, very ...

  • Python Success Stories

    ...IFC) is a general Object Relational database engine with a Python API. The IFC is built on top of Postgres, with an Oracle version in the works, but it is possible to use any full-function RDBMS, as we took care to avoid non-standard SQL functionality and isolated the DB-specific idioms into a separate portability layer. Production IFCs currently run only under Linux, with others planned. The Business Logic is a layer of rules which handle data validation, access control, and customizable busine...

  • Python Software Foundation: Minutes of Board of Directors Meeting, February 14, 2006

    ...ify the PyCon travel grants and to reclassify "other income" left over from the last PyCon. S. Deibel asked if there is a list somewhere of which tax/etc forms we need to file at what times of year? K. Kaiser replied that N. Norwitz wrote such a list, "recurring.txt" in the PSF repository. There aren't many: the yearly Federal filing, the DE payment, and the 8734 Support Schedule, "which is a bit of a project". Also, K. Kaiser needs to check if anything is needed...

  • Python Success Stories

    ...if 'typemap' in class_sig: class_sig.remove('typemap') if tuple(class_sig) != tuple(dict_keys): print "Conformability error" # print "Class signature: " + `class_sig` # print "Dictionary keys: " + `dict_keys` print "Not matched in class signature: " + `setdiff(class_sig, common)` print "Not matched in dictionary keys: " + `setdiff(dict_keys, common)` sys.exit(1) else: for x in di...

  • Python Success Stories

    ...ificant resources on the microcontroller, and are still in the very early stages. Surprisingly, however, it turns out that standard Python is of tremendous value throughout an embedded system's lifecycle. This is because the highly resource-constrained nature of embedded devices make them dependent on standard PCs for many tasks -- both during development and during deployment. For example, embedded software is compiled on conventional desktop systems, and the resulting object code is then loa...

  • Summary of "Extension Building" Session

    ...if you think the whole concept is hopeless and you want to shoot me down in flames before this even gets started (or if you think the name sucks). Once the sig is created, I'd like to spend some time discussing meta-issues: does anyone violently disagree with the whole idea? is 'distutils' a good enough name? what functionality should be present in the first pass, and what's needed for a full release? Then we can dive into nitty-gritty design and implementation ...

  • Standard Exception Classes in Python 1.5

    ...iff class D is derived from class C, directly or indirectly. issubclass(C, C) always returns true. Both arguments must be class objects. isinstance(x, C) returns true iff x is an instance of C or of a (direct or indirect) subclass of C. The first argument may hyave any type; if x is not an instance of any class, isinstance(x, C) always returns false. The second argument must be a class object. Sequence Unpacking Previous Python versions require an exact type match b...

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