My sage version is 10.3, and here is my error log :
Collecting sage-numerical-backends-gurobi
Using cached sage_numerical_backends_gurobi-10.4.tar.gz (27 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... done
Requirement already satisfied: sphinx in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sage-numerical-backends-gurobi) (7.4.7)
Requirement already satisfied: sphinxcontrib-applehelp in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (1.0.8)
Requirement already satisfied: sphinxcontrib-devhelp in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (1.0.6)
Requirement already satisfied: sphinxcontrib-jsmath in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (1.0.1)
Requirement already satisfied: sphinxcontrib-htmlhelp>=2.0.0 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (2.0.6)
Requirement already satisfied: sphinxcontrib-serializinghtml>=1.1.9 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (1.1.10)
Requirement already satisfied: sphinxcontrib-qthelp in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (1.0.8)
Requirement already satisfied: Jinja2>=3.1 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (3.1.4)
Requirement already satisfied: Pygments>=2.17 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (2.18.0)
Requirement already satisfied: docutils<0.22,>=0.20 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (0.21.2)
Requirement already satisfied: snowballstemmer>=2.2 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (2.2.0)
Requirement already satisfied: babel>=2.13 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (2.14.0)
Requirement already satisfied: alabaster~=0.7.14 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (0.7.16)
Requirement already satisfied: imagesize>=1.3 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (1.4.1)
Requirement already satisfied: requests>=2.30.0 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (2.32.3)
Requirement already satisfied: packaging>=23.0 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (24.1)
Requirement already satisfied: tomli>=2 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
sphinx->sage-numerical-backends-gurobi) (2.0.1)
Requirement already satisfied: MarkupSafe>=2.0 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
Jinja2>=3.1->sphinx->sage-numerical-backends-gurobi) (2.1.5)
Requirement already satisfied: charset-normalizer<4,>=2 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
requests>=2.30.0->sphinx->sage-numerical-backends-gurobi) (3.3.2)
Requirement already satisfied: idna<4,>=2.5 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
requests>=2.30.0->sphinx->sage-numerical-backends-gurobi) (3.7)
Requirement already satisfied: urllib3<3,>=1.21.1 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
requests>=2.30.0->sphinx->sage-numerical-backends-gurobi) (2.2.2)
Requirement already satisfied: certifi>=2017.4.17 in
/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages (from
requests>=2.30.0->sphinx->sage-numerical-backends-gurobi) (2024.7.4)
Building wheels for collected packages: sage-numerical-backends-gurobi
Building wheel for sage-numerical-backends-gurobi (pyproject.toml) ...
error
error: subprocess-exited-with-error
× Building wheel for sage-numerical-backends-gurobi (pyproject.toml) did
not run successfully.
│ exit code: 1
╰─> [513 lines of output]
Using
gurobi_include_directories=['/home/selinaheyiii/gurobi/gurobi1003/linux64/include'],
libraries=['gurobi100'],
library_dirs=['/home/selinaheyiii/gurobi/gurobi1003/linux64/lib']
Using compile_time_env: {'HAVE_SAGE_CPYTHON_STRING': True,
'HAVE_ADD_COL_UNTYPED_ARGS': True}
/tmp/pip-build-env-ezxvtb8a/overlay/lib/python3.10/site-packages/Cython/Compiler/Main.py:381:
FutureWarning: Cython directive 'language_level' not set, using '3str' for
now (Py3). This has changed from earlier releases! File:
/tmp/pip-install-va8hoabd/sage-numerical-backends-gurobi_63b87e7e44de4bf9be38e8aac072bc7c/sage_numerical_backends_gurobi/gurobi_backend.pxd
tree = Parsing.p_module(s, pxd, full_module_name)
Error compiling Cython file:
------------------------------------------------------------
...
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
# http://www.gnu.org/licenses/
#*****************************************************************************
from sage.numerical.backends.generic_backend cimport GenericBackend
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pxd:17:0:
'sage/numerical/backends/generic_backend.pxd' not found
Error compiling Cython file:
------------------------------------------------------------
...
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
# http://www.gnu.org/licenses/
#*****************************************************************************
from sage.numerical.backends.generic_backend cimport GenericBackend
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pxd:17:0:
'sage/numerical/backends/generic_backend/GenericBackend.pxd' not found
Error compiling Cython file:
------------------------------------------------------------
...
int GRB_SUBOPTIMAL
cdef class GurobiBackend(GenericBackend):
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pxd:105:25: First base
of 'GurobiBackend' is not an extension type
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:37:0: The
'IF' statement is deprecated and will be removed in a future Cython
version. Consider using runtime conditions or C macros instead. See
https://github.com/cython/cython/issues/4310
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:213:4: The
'IF' statement is deprecated and will be removed in a future Cython
version. Consider using runtime conditions or C macros instead. See
https://github.com/cython/cython/issues/4310
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:378:4: The
'IF' statement is deprecated and will be removed in a future Cython
version. Consider using runtime conditions or C macros instead. See
https://github.com/cython/cython/issues/4310
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:1118:4:
The 'IF' statement is deprecated and will be removed in a future Cython
version. Consider using runtime conditions or C macros instead. See
https://github.com/cython/cython/issues/4310
Error compiling Cython file:
------------------------------------------------------------
...
IF HAVE_SAGE_CPYTHON_STRING:
from sage.cpython.string cimport char_to_str, str_to_bytes
from sage.cpython.string import FS_ENCODING
from sage.numerical.mip import MIPSolverException
cdef class GurobiBackend(GenericBackend):
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:42:25: First base
of 'GurobiBackend' is not an extension type
Error compiling Cython file:
------------------------------------------------------------
...
self.set_sense(1 if maximization else -1)
self.set_verbosity(0)
self.obj_constant_term = 0.0
cpdef int add_variable(self, lower_bound=0.0, upper_bound=None,
binary=False, continuous=False, integer=False, obj=0.0, name=None,
coefficients=None) except -1:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:104:10: C method
'add_variable' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:214:21:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
check(self.env,GRBupdatemodel(self.model))
return self.ncols()-1
IF HAVE_ADD_COL_UNTYPED_ARGS:
cpdef add_col(self, indices, coeffs) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:214:14: C method
'add_col' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:274:27:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
length.
"""
self.add_variable(coefficients = zip(indices, coeffs))
cpdef set_variable_type(self, int variable, int vtype) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:274:10: C method
'set_variable_type' not previously declared in definition part of extension
type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:312:19:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
error = GRBsetcharattrelement(self.model, "VType",
variable, 'C')
check(self.env, error)
check(self.env,GRBupdatemodel(self.model))
cpdef set_sense(self, int sense) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:312:10: C method
'set_sense' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:343:31:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
error = GRBsetintattr(self.model, "ModelSense", +1)
check(self.env, error)
check(self.env,GRBupdatemodel(self.model))
cpdef objective_coefficient(self, int variable, coeff=None)
noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:343:10: C method
'objective_coefficient' not previously declared in definition part of
extension type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:379:26:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
error = GRBgetdblattrelement(self.model, "Obj", variable,
value)
check(self.env, error)
return value[0]
IF HAVE_SAGE_CPYTHON_STRING:
cpdef problem_name(self, name=None) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:379:14: C method
'problem_name' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:446:23:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
else:
value = char_to_str(pp_name[0])
return value
cpdef set_objective(self, list coeff, d = 0.0) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:446:10: C method
'set_objective' not previously declared in definition part of extension
type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:492:23:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
check(self.env,GRBupdatemodel(self.model))
self.obj_constant_term = d
cpdef set_verbosity(self, int level) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:492:10: C method
'set_verbosity' not previously declared in definition part of extension
type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:515:27:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
else:
error = GRBsetintparam(self.env, "OutputFlag", 0)
check(self.env, error)
cpdef remove_constraint(self, int i) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:515:10: C method
'remove_constraint' not previously declared in definition part of extension
type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:550:31:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
check(self.env, error)
error = GRBupdatemodel(self.model)
check(self.env,error)
cpdef add_linear_constraint(self, coefficients, lower_bound,
upper_bound, name=None) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:550:10: C method
'add_linear_constraint' not previously declared in definition part of
extension type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:627:13:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
check(self.env,error)
sig_free(row_i)
sig_free(row_values)
cpdef row(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:627:10: C method
'row' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:679:20:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
sig_free(p_values)
return indices, values
cpdef row_bounds(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:679:10: C method
'row_bounds' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:720:20:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
elif sense[0] == '<':
return (None, d[0])
else:
return (d[0],d[0])
cpdef col_bounds(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:720:10: C method
'col_bounds' not previously declared in definition part of extension type
'GurobiBackend'
Error compiling Cython file:
------------------------------------------------------------
...
check(self.env, error)
return (None if lb[0] <= -GRB_INFINITY else lb[0],
None if ub[0] >= GRB_INFINITY else ub[0])
cpdef int solve(self) except -1:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:758:10: C method
'solve' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:795:29:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
# Has there been a problem ?
if status[0] != GRB_OPTIMAL:
raise MIPSolverException("Gurobi:
"+mip_status.get(status[0], "unknown error during call to GRBoptimize :
"+str(status[0])))
cpdef get_objective_value(self) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:795:10: C method
'get_objective_value' not previously declared in definition part of
extension type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:826:28:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
check(self.env,GRBgetdblattr(self.model, "ObjVal", <double*
>p_value))
return p_value[0] + <double>self.obj_constant_term
cpdef get_variable_value(self, int variable) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:826:10: C method
'get_variable_value' not previously declared in definition part of
extension type 'GurobiBackend'
Error compiling Cython file:
------------------------------------------------------------
...
if self.is_variable_continuous(variable):
return value[0]
else:
return round(value[0])
cpdef int ncols(self) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:859:10: C method
'ncols' not previously declared in definition part of extension type
'GurobiBackend'
Error compiling Cython file:
------------------------------------------------------------
...
"""
cdef int i[1]
check(self.env,GRBgetintattr(self.model, "NumVars", i))
return i[0]
cpdef int nrows(self) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:878:10: C method
'nrows' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:897:18:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
"""
cdef int i[1]
check(self.env,GRBgetintattr(self.model, "NumConstrs", i))
return i[0]
cpdef col_name(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:897:10: C method
'col_name' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:922:18:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
value = ""
else:
value = char_to_str(name[0])
return value
cpdef row_name(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:922:10: C method
'row_name' not previously declared in definition part of extension type
'GurobiBackend'
Error compiling Cython file:
------------------------------------------------------------
...
value = ""
else:
value = char_to_str(name[0])
return value
cpdef bint is_variable_binary(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:946:10: C method
'is_variable_binary' not previously declared in definition part of
extension type 'GurobiBackend'
Error compiling Cython file:
------------------------------------------------------------
...
cdef char vtype[1]
check(self.env, GRBgetcharattrelement(self.model, "VType",
index, <char *> vtype))
return vtype[0] == 'B'
cpdef bint is_variable_integer(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:971:10: C method
'is_variable_integer' not previously declared in definition part of
extension type 'GurobiBackend'
Error compiling Cython file:
------------------------------------------------------------
...
"""
cdef char vtype[1]
check(self.env, GRBgetcharattrelement(self.model, "VType",
index, <char *> vtype))
return vtype[0] == 'I'
cpdef bint is_variable_continuous(self, int index) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:995:10: C method
'is_variable_continuous' not previously declared in definition part of
extension type 'GurobiBackend'
Error compiling Cython file:
------------------------------------------------------------
...
"""
cdef char vtype[1]
check(self.env, GRBgetcharattrelement(self.model, "VType",
index, <char *> vtype))
return vtype[0] == 'C'
cpdef bint is_maximization(self) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:1022:10: C method
'is_maximization' not previously declared in definition part of extension
type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:1040:30:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
"""
cdef int sense[1]
check(self.env,GRBgetintattr(self.model, "ModelSense", <int
*> sense))
return sense[0] == -1
cpdef variable_upper_bound(self, int index, value = False)
noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:1040:10: C method
'variable_upper_bound' not previously declared in definition part of
extension type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:1078:30:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
else:
error = GRBgetdblattrelement(self.model, "UB", index,
<double *> b)
check(self.env, error)
return None if b[0] >= GRB_INFINITY else b[0]
cpdef variable_lower_bound(self, int index, value = False)
noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:1078:10: C method
'variable_lower_bound' not previously declared in definition part of
extension type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:1119:22:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
error = GRBgetdblattrelement(self.model, "LB", index,
<double *> b)
check(self.env, error)
return None if b[0] <= -GRB_INFINITY else b[0]
IF HAVE_SAGE_CPYTHON_STRING:
cpdef write_lp(self, filename) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:1119:14: C method
'write_lp' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:1142:23:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
....: p.write_lp(os.path.join(f, "lp_problem.lp"))
"""
filename = str_to_bytes(filename, FS_ENCODING,
'surrogateescape')
check(self.env, GRBwrite(self.model, filename))
cpdef write_mps(self, filename, int modern) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:1142:14: C method
'write_mps' not previously declared in definition part of extension type
'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:1188:26:
noexcept clause is ignored for function returning Python object
Error compiling Cython file:
------------------------------------------------------------
...
"""
check(self.env, GRBwrite(self.model, filename))
cpdef solver_parameter(self, name, value = None) noexcept:
^
------------------------------------------------------------
sage_numerical_backends_gurobi/gurobi_backend.pyx:1188:10: C method
'solver_parameter' not previously declared in definition part of extension
type 'GurobiBackend'
warning: sage_numerical_backends_gurobi/gurobi_backend.pyx:1273:18:
noexcept clause is ignored for function returning Python object
Compiling sage_numerical_backends_gurobi/gurobi_backend.pyx because
it changed.
[1/1] Cythonizing sage_numerical_backends_gurobi/gurobi_backend.pyx
Traceback (most recent call last):
File
"/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py",
line 353, in <module>
main()
File
"/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py",
line 335, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File
"/home/selinaheyiii/miniforge3/envs/sage/lib/python3.10/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py",
line 251, in build_wheel
return _build_backend().build_wheel(wheel_directory,
config_settings,
File
"/tmp/pip-build-env-ezxvtb8a/overlay/lib/python3.10/site-packages/setuptools/build_meta.py",
line 415, in build_wheel
return self._build_with_temp_dir(
File
"/tmp/pip-build-env-ezxvtb8a/overlay/lib/python3.10/site-packages/setuptools/build_meta.py",
line 397, in _build_with_temp_dir
self.run_setup()
File
"/tmp/pip-build-env-ezxvtb8a/overlay/lib/python3.10/site-packages/setuptools/build_meta.py",
line 313, in run_setup
exec(code, locals())
File "<string>", line 116, in <module>
File
"/tmp/pip-build-env-ezxvtb8a/overlay/lib/python3.10/site-packages/Cython/Build/Dependencies.py",
line 1154, in cythonize
cythonize_one(*args)
File
"/tmp/pip-build-env-ezxvtb8a/overlay/lib/python3.10/site-packages/Cython/Build/Dependencies.py",
line 1321, in cythonize_one
raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError:
sage_numerical_backends_gurobi/gurobi_backend.pyx
[end of output]
note: This error originates from a subprocess, and is likely not a
problem with pip.
ERROR: Failed building wheel for sage-numerical-backends-gurobi
Failed to build sage-numerical-backends-gurobi
ERROR: Could not build wheels for sage-numerical-backends-gurobi, which is
required to install pyproject.toml-based projects
Thanks for replying.
Matthias Koeppe <[email protected]> 于2024年7月28日周日 02:10写道：
> Which Sage version; logs please.
>
> On Tuesday, July 23, 2024 at 8:28:06 AM UTC-7 Ziyan He wrote:
>
>> When I try to use pip install to install sage-numerical-backends-gurobi,
>> I encounter the following error:
>>
>> Error compiling Cython file:
>> ------------------------------------------------------------ ... # the Free
>> Software Foundation, either version 2 of the License, or # (at your option)
>> any later version. # https://www.gnu.org/licenses/
>> #*****************************************************************************
>> from sage.numerical.backends.generic_backend cimport GenericBackend ^
>> ------------------------------------------------------------
>> sage_numerical_backends_coin/coin_backend.pxd::0:
>> 'sage/numerical/backends/generic_backend.pxd' not found.
>>
>> I'm certain that sage.numerical.backends.generic_backend is present in
>> the package. When installing sage-numerical-backends-coin, I encountered
>> the same issue. How can I resolve this?
>>
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