Merge pull request #495 from jokva/drop-py-27

Drop py 27

.travis.yml

@@ -1,6 +1,5 @@
 language: python
 python:
-  - 2.7
   - 3.5
   - 3.6
 
@@ -13,30 +12,25 @@ env:
 os:
   - linux
 
+dist: xenial
+
 services: docker
 sudo: required
 
 matrix:
     fast_finish: true
     include:
         - python: 3.7
-          dist: xenial
           sudo: true
         - python: 3.8
-          dist: xenial
           sudo: true
           env: MB_ML_VER=2010
         - compiler: clang
           python: 3.7
-          dist: xenial
           env:
             - SCAN="scan-build --status-bugs"
             - SOURCEDEPLOY=1
             - MKDOC="-DBUILD_DOC=ON -DSPHINX_ARGS=-WT"
-        - os: osx
-          language: generic
-          env: MB_PYTHON_VERSION=2.7
-          python: 2.7
         - os: osx
           language: generic
           env: MB_PYTHON_VERSION=3.5
@@ -63,10 +57,6 @@ addons:
         - cppcheck
         - cmake
         - cmake-data
-    homebrew:
-      update: true
-      packages:
-        - cppcheck
 
 before_install:
     - git clone https://github.com/matthew-brett/multibuild
@@ -97,13 +87,17 @@ before_script:
           -DCMAKE_INSTALL_NAME_DIR=/usr/local/lib
           $MKDOC
           $enabled ..
-  - cppcheck --enable=style,portability,performance,warning
+  - if command -v cppcheck; then
+        cppcheck
+             --enable=style,portability,performance,warning
              --library=posix
              --library=$TRAVIS_BUILD_DIR/cppcheck/segyio.cfg
              --suppressions-list=$TRAVIS_BUILD_DIR/cppcheck/suppressions.txt
              --inline-suppr
              --project=compile_commands.json
              --error-exitcode=1
+        ;
+    fi
   - popd
 
 # distutils/setuptools on macos ignores the --rpath argument, so set

README.md

@@ -91,7 +91,7 @@ To build segyio you need:
  * A C99 compatible C compiler (tested mostly on gcc and clang)
  * A C++ compiler for the Python extension, and C++11 for the tests
  * [CMake](https://cmake.org/) version 2.8.12 or greater
- * [Python](https://www.python.org/) 2.7 or 3.x.
+ * [Python](https://www.python.org/) 3.6 or greater
  * [numpy](http://www.numpy.org/) version 1.10 or greater
  * [setuptools](https://pypi.python.org/pypi/setuptools) version 28 or greater
  * [setuptools-scm](https://pypi.python.org/pypi/setuptools_scm)

appveyor.yml

@@ -18,9 +18,6 @@ environment:
     TWINE_PASSWORD:
         secure: kTga6+rLL1fNpKqFNcX0QZNyqiYaHsEfSS4k6wvUoTE=
     matrix:
-        - PYTHON: C:\Python27
-          LANG: -DBUILD_PYTHON=ON
-          PYTHON_VERSION: 27
         - PYTHON: C:\Python35
           LANG: -DBUILD_PYTHON=ON
           PYTHON_VERSION: 35