cfbolz changed the topic of #pypy to: PyPy, the flexible snake (IRC logs: https://botbot.me/freenode/pypy/ ) | use cffi for calling C | mac OS and Fedora are not Windows
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<arigato>
abrown (for future reference): os.environ.get('DEBUG') works, and you check for None
<arigato>
catern: you need to use the proper quoting, *or* you emit "const char string[] = {65, 66, 0};" instead of "AB" for example
<arigato>
catern: (answering ``I want to store it somewhere so I can use it at run time, I was thinking of embedding the string into the cffi extension module as a const char *``)
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<abrown>
arigato: thanks, will try that
<abrown>
Had a question about __eq__ and __str__ in RPython: I have written parallel methods for these in my classes (i.e. equals and to_string) but don't fully understand why RPython won't let me use __eq__ and __str__. Why is this?
<simpson>
To avoid mixing Python's untranslated semantics for those methods with RPython's translated semantics, I bet.
<simpson>
Actually following the Python rules for resolving those methods is tricky.
<simpson>
Interestingly, there's another side benefit: Not all languages work that way for their user-level objects. e.g. in Monte, equality isn't defined by the objects being compared, but a neutral third-party object; also, string-building has control inverted, so that objects are invited to print themselves onto a printer, rather than returning a string directly.
<abrown>
I can see how in general it could be tricky but it would be nice with my relatively simple classes to be able to use __eq__ and __str__ in Python and get RPython to translate them; it seems like there could be a way to do this by doing some Python magic on the class methods before translation. Has anyone done this or seen it done?
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<tos9>
fijal: ping
<fijal>
tos9: pong
<tos9>
fijal: PM?
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