Details
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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
High
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Resolution: Fixed
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Affects Version/s: 6.22/02
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Component/s: PyROOT
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Labels:None
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Environment:
Centos7, gcc9
Description
The following reproducer fails when using the '6.22.00-patches' and 'master' branches and does not fail when using 6.22.00 (with the LCG patch) as it is released in LCG_89.
$ cat test.py
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from __future__ import print_function |
import ROOT |
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ROOT.gInterpreter.Declare("""
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#include <string>
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class CppAlg { |
public:
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CppAlg(std::string name) : m_name(name) {}
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virtual void virtual_method(std::string&) { }
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void call() { virtual_method(m_name); }
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virtual ~CppAlg() {}
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private:
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std::string m_name;
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};
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""")
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class Alg(ROOT.CppAlg): |
def __init__(self, name): |
super(Alg, self).__init__(name) |
def virtual_method(self, name): |
print('Overwritten virtual method', name) |
a = Alg('MyAlg') |
a.call()
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To reproduce:
$ source /cvmfs/sft.cern.ch/lcg/views/dev4/latest/x86_64-centos7-gcc9-opt/setup.sh
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$ python test.py
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Traceback (most recent call last):
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File "test.py", line 22, in <module>
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a = Alg('MyAlg')
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File "test.py", line 19, in __init__
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super(Alg, self).__init__(name)
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TypeError: none of the 2 overloaded methods succeeded. Full details:
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no constructor available for 'CppAlg'
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CppAlg::CppAlg(const CppAlg&) =>
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TypeError: could not convert argument 1
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while with LCG_98
$ source /cvmfs/sft.cern.ch/lcg/views/LCG_98/x86_64-centos7-gcc9-opt/setup.sh
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$ python test.py
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Overwritten virtual method MyAlg
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