Simpler, reduced TravisCI

pymathics is gone - we don't have pymathics modules right now
allmodules and doc building assumed too.

Note we do other testing using Github workflows.

.travis.yml

@@ -3,83 +3,30 @@ language: python
 python:
   - 3.8
   - pypy3.6-7.3.1
-env:
-  global:
-    - SYMPY_SRC=sympy-1.6
-    - DOC="false"
-    - ALL_MODULES="false"
-    - PYMATHICS_MODULES="false"
-    - CYTHON="false"
 matrix:
   fast_finish: true
   include:
     - python: 3.8
       env: DOC="true"
-    - python: 3.8
       env: ALL_MODULES="true"
-    - python: 3.8
-      env: PYMATHICS="true"
-    - python: 3.8
       env: CYTHON="true"
-    - python: 3.8
-      env: ALL_MODULES="true" CYTHON="true"
-    - python: 3.8
-      env: PYMATHICS="true" CYTHON="true"
-  allow_failures:
-    - python: pypy3.6-7.3.1
-    - env: SYMPY_SRC=master
-    - env: DOC="true"
-    - env: DOC="true" PYMATHICS_MODULES="true"
 services:
   - xvfb
 before_install:
   - sudo apt-get update -qq && sudo apt-get install -qq liblapack-dev llvm-10 llvm-10-dev
   - sudo apt-get install -qq gfortran
+  - sudo apt-get install -qq texlive-font-utils latexmk texlive-xetex lmodern inkscape
+  - sudo apt-get install -qq texlive-latex-extra texlive-latex texlive-fonts-recommended asymptote
   - LLVM_CONFIG=/usr/bin/llvm-config-10  CXXFLAGS=-fPIC python -m pip install llvmlite
-  - pip install numpy
-  - if [[ "$ALL_MODULES" == "true" ]]; then
-      sudo apt-get install -qq &&
-      pip install ipywidgets ipykernel requests IPython==5.0.0 nltk langid pycountry pyenchant lxml matplotlib networkx &&
-      python travis.py &&
-      python -m nltk.downloader wordnet omw;
-    fi
-  - if [[ "$PYMATHICS_MODULES" == "true" ]]; then
-      sudo apt-get install -qq python-enchant &&
-      pip install numpy ipywidgets ipykernel requests IPython==5.0.0 nltk langid pycountry pyenchant lxml matplotlib networkx &&
-      python travis.py &&
-      python -m nltk.downloader wordnet omw;
-    fi
-  - if [[ "$DOC" == "true" ]]; then
-      sudo apt-get install -qq texlive-font-utils latexmk texlive-xetex;
-      sudo apt-get install -qq lmodern inkscape;
-      sudo apt-get install -qq texlive-latex-extra texlive-latex;
-      sudo apt-get install -qq texlive-fonts-recommended;
-      sudo apt-get install -qq asymptote;
-    fi
-  - if [[ "$CYTHON" == "true" ]]; then
-      pip install cython;
-    fi
-  - pip install pint unittest2 pexpect scikit-image
-  - pip install git+https://github.com/sympy/sympy.git@$SYMPY_SRC
+  - sudo apt-get install -qq &&
+  - pip install ipywidgets ipykernel requests IPython==5.0.0 nltk langid pycountry pyenchant lxml matplotlib networkx &&
+  - python travis.py
+  - pip install cython unittest2 pexpect scikit-image
 install:
   - sed -i "s/'sympy==[0-9]\.[0-9]\.[0-9]', //" setup.py
-  - if [[ "$DOC" == "true" ]]; then python setup.py develop; else python setup.py install; fi
+  - python setup.py develop
 script:
-  - if [[ "$DOC" == "true" ]]; then
-      make check output="--output";
-      if [[ "$PYMATHICS_MODULES" == "true" ]]; then
-         python pymathics/test.py -o &&
-         python pymathics/test.py -t &&
-         cd pymathics/doc/tex &&  make latex;
-      else
-         make doc;
-      fi
-    else
-      make check &&
-      if [[ "$PYMATHICS_MODULES" == "true" ]]; then
-        make doctest o="--stop-on-failure";
-      fi
-    fi
+  - make doc
 notifications:
     email: false
     slack: mathics:VIjdkcZPlA79sOtVOtyjdOcT