Vukasin Felbab added the comment:
Okay, so the problem is that I have a command library instance which is
containing a connection to a server and functions can be called to execute some
queries. As I pass this instance as a parameter in a recursive chain, after a
while the open files limit is reached, I got it a few times an error on file
opening. It is sure that I don't leave connections and open files before
calling the next recursion, only thing this command library has the connection
open. Additionally, when I store the instance in a global variable and call it
from there then there are no IO errors. So, it means that the python is not
giving parameters by reference, but by value? Because according to the Python,
if I pass a mutable object as an argument, an if I use that for querying and
passing the same instance to the next recursion level it should work fine,
because in this case it should pass by reference, but it is not obviously, it
passes by value, the connections remain open and the io limit is reached.
--
status: pending -> open
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<http://bugs.python.org/issue26861>
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