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  • Python Patterns - An Optimization Anecdote

    ...function. By the way, here's the timing function that I used. it calls a function f n*10 times with argument a, and prints the function name followed by the time it took, rounded to milliseconds. The 10 repeated calls are done to minimize the loop overhead of the timing function itself. You could go even further and make 100 calls... Also note that the expression range(n) is calculated outside the timing brackets - another trick to minimize the overhead caused by the timing ...

  • Event – An introduction to Web Scraping with Python and Azure Functions - PyLadies Amsterdam

    ,

    Location: Online

    An introduction to Web Scraping with Python and Azure Functions

  • Proposed Improvements to Module Cleanup

    ...function or class. A function object contains a reference to the function's 'globals' object, which is the __dict__ of the module that defines it. Since the __dict__ normally has a reference to the function there's a cycle that needs to be broken, or else the __dict__ would never be garbage collected. Note that a reference-count based solution doesn't work within one module, since references between functions are by name, not by value -- two mutually recursive functions can still bot...

  • SIG for development of Python/C++ integration

    ...functions which return pointers or non-const references, in order to prevent dangling pointers and references from causing crashes on the Python side. This limits the library's ability to export arbitrary C++ functions. Goal: Implementation of a mechanism by which references and pointers to internal elements of function and method arguments can be returned safely. This will include a mechanism by which any argument object can be kept alive during the lifetime of any...

  • Release – Python 3.11.0a7

    Version: None

    Released: April 5, 2022

    This is an early developer preview of Python 3.11 Major new features of the 3.11 series, compared to 3.10 Python 3.11 is still in development. This release, 3.11.0a7 is the last of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • 2018 PSF Annual Report

    ...function(d) { return scaleX(d.x); }) .attr("y", function(d) { return scaleY(d.y) + chartOptions.margin; }) .attr("height", function(d) { return yAxisLength - scaleY(d.y); }) .attr("width", function(d){ return barWidth; }) svg.append("g").selectAll("text") .data(initData) .enter() .append("text") .attr("class", "bar-label") .attr("x", function(d) { return scaleX(d.x) + 20 }) .attr("y", function(d) { return scaleY(d.y) + 35 }...

  • 2019 PSF Annual Report

    ...function(d) { return scaleX(d.x); }) .attr("y", function(d) { return scaleY(d.y) + chartOptions.margin; }) .attr("height", function(d) { return yAxisLength - scaleY(d.y); }) .attr("width", function(d){ return barWidth; }) svg.append("g").selectAll("text") .data(initData) .enter() .append("text") .attr("class", "bar-label") .attr("x", function(d) { return scaleX(d.x) + 20 }) .attr("y", function(d) { return scaleY(d.y) + 35 }...

  • Debugging Reference Count Problems

    ...functions you are calling. Perhaps you could compile a list of Py* functions you are calling and any questions you have regarding their reference count behavior after looking them up in the manual? Of course, this didn't work or I wouldn't be bothering everyone with it. Am now breaking the thing down into smaller functions to see if that will help in tracking down the error (though it will almost certainly slow the function down). Is there a FAQ on reference-counting woes somewhere...

  • Highlights: Python 2.4

    ...function tee() that returns N independent iterators that replicate the iterator passed as an argument. A new function basicConfig() was added to the logging package to simplify setup for logging. There is also a new TimedRotatingLogFileHandler which automatically rotates log files at a fixed interval. The operator module gained functions attrgetter() and itemgetter() The posix module (available as os) has a new function getsid() poplib supports POP over SSL profile can now profile C extension fu...

  • Notes

    ...function is new. For bit-for-bit compatibility with prior releases, use the whseed function instead. The new seed function addresses two problems: (1) The old function couldn't produce more than about 2**24 distinct internal states; the new one about 2**45 (the best that can be done in the Wichmann-Hill generator). (2) The old function sometimes produced identical internal states when passed distinct integers, and there was no simple way to predict when that would happen; the new one guarant...

  • Metaclasses in Python 1.5

    ...FunctionType: return value return BoundMethod(value, self) class BoundMethod: def __init__(self, function, instance): self.function = function self.instance = instance def __call__(self, *args): print "calling", self.function, "for", self.instance, "with", args return apply(self.function, (self.instance,) + args) Trace = Tracing('Trace', (), {}) class MyTracedClass(Trace): def method1(self, a): self.a = a ...

  • Release – Python 3.3.6rc1

    Version: None

    Released: Oct. 4, 2014

    This is a security-fix source-only release. The last binary release was 3.3.5. The list of fixed security related issues can be found in the NEWS file. Major new features of the 3.3 series, compared to 3.2 Python 3.3 includes a range of improvements of the 3.x series, as …

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  • Release – Python 3.3.6

    Version: None

    Released: Oct. 12, 2014

    Python 3.3.x has reached end-of-life. Python 3.3.7, the final security-fix release, is available here. This is a security-fix source-only release. The list of fixed security related issues can be found in the NEWS file. Major new features of the 3.3 series, compared to 3.2 Python 3.3 includes a …

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  • Notes

    ...function _PyTime_DoubleToTimet added, to convert a Python timestamp (C double) to platform time_t with some out-of-bounds checking. Declared in new header file timefuncs.h. It would be good to expose some other internal timemodule.c functions there. New public functions PyEval_EvaluateFrame and PyGen_New to expose generator objects. New public functions Py_IncRef() and Py_DecRef(), exposing the functionality of the Py_XINCREF() and Py_XDECREF macros. Useful for runtime dynamic embedding of Pyt...

  • Python 2.4.1 - Release Notes

    ...Function objects now have a __module__ attribute that is bound to the name of the module in which the function was defined. This applies for C functions and methods as well as functions and methods defined in Python. This attribute is used by pickle.whichmodule(), which changes the behavior of whichmodule slightly. In Python 2.2 whichmodule() returns "__main__" for functions that are not defined at the top-level of a module (examples: methods, nested functions). Now whichmodule() wi...

  • Job - Full Stack Developer

    Location: Remote, Remote United States of America

    The Patrick J McGovern Foundation (PJMF) is seeking an experienced, multi-faceted and self-driven Full Stack Developer (FSD) to join our Products and Services function. This role will be directly engaged with the development, deployment and maintenance of data and AI products that will drive positive social impact around the world. …

  • Notes

    ...Function objects now have a __module__ attribute that is bound to the name of the module in which the function was defined. This applies for C functions and methods as well as functions and methods defined in Python. This attribute is used by pickle.whichmodule(), which changes the behavior of whichmodule slightly. In Python 2.2 whichmodule() returns "__main__" for functions that are not defined at the top-level of a module (examples: methods, nested functions). Now whichmodule() wi...

  • Release – Python 3.3.5rc1

    Version: None

    Released: Feb. 23, 2014

    Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other …

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  • Release – Python 3.3.5rc2

    Version: None

    Released: March 2, 2014

    Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other …

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  • Release – Python 3.3.5

    Version: None

    Released: March 9, 2014

    Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other …

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