On 12/11/2013 15:40, Demian Brecht wrote: > On Sat, Nov 9, 2013 at 5:33 AM, <python-list-requ...@python.org> wrote: >> I don't know how to use gdb the way you want, but it sounds like you are on >> a fascinating journey of discovery. What are you trying to learn? Perhaps >> we can talk about how the interpreter works. > > Apologies for not getting to this sooner, I took a much needed short > hiatus from touching all things computers over the long weekend. > > A little backstory to how I got to this sticking point: > > I decided to write a series of blog posts about the lesser-known areas > of the Python stdlib (I was considering doing a lightning talk about > one or two of them). First stop was abc's. When digging into that, I > realized that the implementation of abcs is a bit different than other > modules in the stdlib: It's only partially implemented in Python. > > After digging into that more and figuring out how that was all > implemented in C, I also found that, while I understood how to use > metaclasses, I didn't quite understand how the interpreter used > metaclasses to build new classes (I had read the docs, but felt that I > couldn't explain it to my grandmother and therefore, a blog post on > metaclasses likely would only be surface level and wouldn't include > any information outside of what's readily available through the docs). > > At that point, I had spent quite a bit of time grep'ing and grok'ing > various parts of the interpreter code. I felt there /had/ to be a be a > more efficient way to see what's going on for a particular code block. > Further digging pointed me to compile/dis to get the bytecode > generated by code blocks. This then led me to ceval.c, setting > breakpoints to step through and see what actually happens with the > code. This is where I ran into a bit of a wall due to my lack of > practice with gdb.
You may well have seem them but, in case you haven't, look at Eli Bendersky's occasional blog series: http://eli.thegreenplace.net/category/programming/python/python-internals/ (Not answering your current query but hopefully useful anyway). TJG -- https://mail.python.org/mailman/listinfo/python-list
