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Enable cprofile on Cython code #6

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merged 2 commits into from
Nov 25, 2024
Merged

Enable cprofile on Cython code #6

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b7a972a
vendor: enable cprofile in Cython bindings
mtreglia-gpsw Apr 19, 2024
c15539f
vendor: Add support for CYTHON_TRACE environment variable
mtreglia-gpsw May 14, 2024
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17 changes: 16 additions & 1 deletion cython_setuptools/vendor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,12 @@ def setup(original_setup_file: str, cythonize: bool = True, **kwargs):

PROFILE_CYTHON=1 python setup.py build_ext --inplace

In addition it's possible to add also the CYTHON_TRACE environment variable
to enable line tracing in Cython for profiling::
``CYTHON_TRACE`` environment variable::

CYTHON_TRACE=1 PROFILE_CYTHON=1 python setup.py build_ext --inplace``

Debugging symbols can be added with::

DEBUG=1 python setup.py build_ext --inplace
Expand All @@ -166,7 +172,7 @@ def setup(original_setup_file: str, cythonize: bool = True, **kwargs):
except ImportError:
pass
else:
cython_ext_modules = Build.cythonize(cython_ext_modules, force=True)
cython_ext_modules = Build.cythonize(cython_ext_modules, force=True, compiler_directives={'profile': profile_cython})

ext_modules = kwargs.setdefault("ext_modules", [])
ext_modules.extend(cython_ext_modules)
Expand Down Expand Up @@ -198,6 +204,15 @@ def create_cython_ext_modules(cython_modules, profile_cython=False, debug=False)
if profile_cython:
cython_directives = kwargs.setdefault("cython_directives", {})
cython_directives["profile"] = True
cython_trace = _str_to_bool(os.environ.get("CYTHON_TRACE", False))
if cython_trace:
# Enable line tracing in Cython for profiling
cython_directives["linetrace"] = True
# Enable binding mode in Cython for C API access
cython_directives['binding'] = True
# Define the CYTHON_TRACE macro to enable tracing
define_macros = kwargs.setdefault("define_macros", [])
define_macros.append(('CYTHON_TRACE', '1'))
if debug:
for args_name in ("extra_compile_args", "extra_link_args"):
args = kwargs.setdefault(args_name, [])
Expand Down
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