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Showing posts with the label Cpython

Cpython's Static Object Address And Fragmentation

I read For CPython, id(x) is the memory address where x is stored. And it's a given the id o… Read more Cpython's Static Object Address And Fragmentation

Default __str__ Method For An Instance

I have a class without a str or repr method. And when I call it: >>> from ingest.tpr impor… Read more Default __str__ Method For An Instance

Are There Any Datetime.tzinfo Implementations In C?

I've been working on a Python library that uses a C extension module to do ISO 8601 parsing. Pa… Read more Are There Any Datetime.tzinfo Implementations In C?

Cpython From Java?

I need to call CPython code from Java. What tools/APIs/libraries exist out there to help me do this… Read more Cpython From Java?

In C Python, Accessing The Bytecode Evaluation Stack

Given a C Python frame pointer, how do I look at arbitrary evaluation stack entries? (Some specific… Read more In C Python, Accessing The Bytecode Evaluation Stack

Why Does Tuple(set([1,"a","b","c","z","f"])) == Tuple(set(["a","b","c","z","f",1])) 85% Of The Time With Hash Randomization Enabled?

Given Zero Piraeus' answer to another question, we have that x = tuple(set([1, 'a', … Read more Why Does Tuple(set([1,"a","b","c","z","f"])) == Tuple(set(["a","b","c","z","f",1])) 85% Of The Time With Hash Randomization Enabled?

How Does Module Loading Work In Cpython?

How does module loading work in CPython under the hood? Especially, how does the dynamic loading of… Read more How Does Module Loading Work In Cpython?

Why Is 'new_file += Line + String' So Much Faster Than 'new_file = New_file + Line + String'?

Our code takes 10 minutes to siphon thru 68,000 records when we use: new_file = new_file + line + s… Read more Why Is 'new_file += Line + String' So Much Faster Than 'new_file = New_file + Line + String'?