it might be quicker to build Sage from source on your system than to try to
fix this.
On Tue, 8 Sep 2020, 10:23 Taj Jankovic, <taj.janko...@gmail.com> wrote:
> Also, if it helps, if I follow these steps
>
> cd /home/taj/SageMath
> ./sage
>
> and run the command
> sage: assume(x<1)
>
> I get a similar error
>
> ImportError Traceback (most recent call last)
> <ipython-input-1-d190d46c0ecf> in <module>()
> ----> 1 assume(x<Integer(1))
>
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/assumptions.py
> in assume(*args)
> 625 assume(*x)
> 626 else:
> --> 627 x.assume()
> 628
> 629
>
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/expression.pyx
> in sage.symbolic.expression.Expression.assume
> (build/cythonized/sage/symbolic/expression.cpp:13564)()
> 1875 raise TypeError("self (=%s) must be a relational
> expression" % self)
> 1876 if not self in _assumptions:
> -> 1877 m = self._maxima_init_assume_()
> 1878 s = maxima.assume(m)
> 1879 pynac_assume_rel(self._gobj)
>
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/expression.pyx
> in sage.symbolic.expression.Expression._maxima_init_assume_
> (build/cythonized/sage/symbolic/expression.cpp:14329)()
> 1951 m = 'notequal(%s, %s)'%(l, r)
> 1952 else:
> -> 1953 m = '(%s)%s(%s)' % (l, maxima._relation_symbols()[op],
> r)
> 1954 return m
> 1955
>
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx
> in sage.misc.lazy_import.LazyImport.__getattr__
> (build/cythonized/sage/misc/lazy_import.c:3536)()
> 319 True
> 320 """
> --> 321 return getattr(self.get_object(), attr)
> 322
> 323 # We need to wrap all the slot methods, as they are not
> forwarded
>
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx
> in sage.misc.lazy_import.LazyImport.get_object
> (build/cythonized/sage/misc/lazy_import.c:2347)()
> 186 if likely(self._object is not None):
> 187 return self._object
> --> 188 return self._get_object()
> 189
> 190 cpdef _get_object(self):
>
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx
> in sage.misc.lazy_import.LazyImport._get_object
> (build/cythonized/sage/misc/lazy_import.c:2586)()
> 218 elif self._at_startup and not startup_guard:
> 219 print('Option ``at_startup=True`` for lazy import {0}
> not needed anymore'.format(self._name))
> --> 220 self._object = getattr(__import__(self._module, {}, {},
> [self._name]), self._name)
> 221 name = self._as_name
> 222 if self._deprecation is not None:
>
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/interfaces/maxima_lib.py
> in <module>()
> 90 from sage.symbolic.ring import SR
> 91
> ---> 92 from sage.libs.ecl import EclObject, ecl_eval
> 93
> 94 from .maxima_abstract import (MaximaAbstract,
> MaximaAbstractFunction,
>
> ImportError:
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/libs/
> ecl.cpython-37m-x86_64-linux-gnu.so: undefined symbol: cl_env_p
>
>
>
> Best,
> Taj
>
> On Tue, Sep 8, 2020 at 10:44 AM Taj Jankovic <taj.janko...@gmail.com>
> wrote:
>
>> Hi,
>>
>> thanks for the quick response! If I run
>>
>> *./sage*
>>
>> then close sage and run
>>
>> *./sage -tp --long src/sage/manifolds*
>>
>> the errors remain the same...
>>
>> Best,
>> Taj
>>
>>
>>
>>
>>
>> On Tue, Sep 8, 2020 at 10:21 AM Dima Pasechnik <dimp...@gmail.com> wrote:
>>
>>> On Tue, Sep 8, 2020 at 8:41 AM Taj Jankovic <taj.janko...@gmail.com>
>>> wrote:
>>> >
>>> > Hi everyone,
>>> >
>>> > I am having trouble with the SageMath.
>>> >
>>> > 1/ I've downloaded the binary tar file
>>> sage-9.1-Ubuntu_18.04-x86_64.tar.bz2 from
>>> > https://www.sagemath.org/download-linux.html
>>> >
>>> > 2/ Then
>>> > tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2
>>> > cd SageMath
>>>
>>> at this point one should run
>>>
>>> ./sage
>>>
>>> without parameters.
>>> Only then it should be ready (the 1st run is a kind of bootstrap)
>>>
>>> > ./sage -tp --long src/sage/manifolds
>>> >
>>> > However, instead of "All tests passed!", I get a multitude of errors.
>>> >
>>> > -a typical error is:
>>> >
>>> > sage -t --long src/sage/manifolds/utilities.py
>>> > **********************************************************************
>>> > File "src/sage/manifolds/utilities.py", line 54, in
>>> sage.manifolds.utilities.SimplifySqrtReal
>>> > Failed example:
>>> > assume(x<1)
>>> > Exception raised:
>>> > Traceback (most recent call last):
>>> > File
>>> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>> line 681, in _run
>>> > self.compile_and_execute(example, compiler, test.globs)
>>> > File
>>> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>> line 1123, in compile_and_execute
>>> > exec(compiled, globs)
>>> > File "<doctest sage.manifolds.utilities.SimplifySqrtReal[0]>",
>>> line 1, in <module>
>>> > assume(x<Integer(1))
>>> > File
>>> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/assumptions.py",
>>> line 627, in assume
>>> > x.assume()
>>> > File "sage/symbolic/expression.pyx", line 1877, in
>>> sage.symbolic.expression.Expression.assume
>>> (build/cythonized/sage/symbolic/expression.cpp:13564)
>>> > m = self._maxima_init_assume_()
>>> > File "sage/symbolic/expression.pyx", line 1953, in
>>> sage.symbolic.expression.Expression._maxima_init_assume_
>>> (build/cythonized/sage/symbolic/expression.cpp:14329)
>>> > m = '(%s)%s(%s)' % (l, maxima._relation_symbols()[op], r)
>>> > File "sage/misc/lazy_import.pyx", line 321, in
>>> sage.misc.lazy_import.LazyImport.__getattr__
>>> (build/cythonized/sage/misc/lazy_import.c:3536)
>>> > return getattr(self.get_object(), attr)
>>> > File "sage/misc/lazy_import.pyx", line 188, in
>>> sage.misc.lazy_import.LazyImport.get_object
>>> (build/cythonized/sage/misc/lazy_import.c:2347)
>>> > return self._get_object()
>>> > File "sage/misc/lazy_import.pyx", line 220, in
>>> sage.misc.lazy_import.LazyImport._get_object
>>> (build/cythonized/sage/misc/lazy_import.c:2586)
>>> > self._object = getattr(__import__(self._module, {}, {},
>>> [self._name]), self._name)
>>> > File
>>> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/interfaces/maxima_lib.py",
>>> line 92, in <module>
>>> > from sage.libs.ecl import EclObject, ecl_eval
>>> > ImportError:
>>> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/libs/
>>> ecl.cpython-37m-x86_64-linux-gnu.so: undefined symbol: cl_env_p
>>> > **********************************************************************
>>> >
>>> > I am using Ubuntu 18.04 LTS and have Python 2.7, 3.6, and 3.7
>>> installed. Does anyone maybe have an idea of what could be causing these
>>> errors? Any help is very much appreciated.
>>> >
>>> > Best regards,
>>> > Taj Jankovič
>>> >
>>> > --
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>>> .
>>>
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