Use poetry in Travis

Author: sdispater

.travis.yml

@@ -1,28 +1,32 @@
 language: python
 
+python:
+  - "3.6"
+
 matrix:
   include:
-    - python: 2.7
+    - env: VENV='2.7'
       env: PENDULUM_EXTENSIONS=1
-    - python: 2.7
+    - env: VENV='2.7'
       env: PENDULUM_EXTENSIONS=0
-    - python: 3.4
+    - env: VENV='3.4'
       env: PENDULUM_EXTENSIONS=1
-    - python: 3.4
+    - env: VENV='3.4'
       env: PENDULUM_EXTENSIONS=0
-    - python: 3.5
+    - env: VENV='3.5'
       env: PENDULUM_EXTENSIONS=1
-    - python: 3.5
+    - env: VENV='3.5'
       env: PENDULUM_EXTENSIONS=0
-    - python: 3.6
+    - env: VENV=''
       env: PENDULUM_EXTENSIONS=1
-    - python: 3.6
+    - env: VENV=''
       env: PENDULUM_EXTENSIONS=0
-    - python: pypy
-    - python: pypy3
+    - env: VENV='pypy'
+    - env: VENV='pypy3'
 
 before_install:
   - pip install codecov
+  - pip install poetry
 
 install:
   - |
@@ -38,10 +42,17 @@ install:
         virtualenv --python="$PYENV_ROOT/versions/pypy-$PYPY_VERSION/bin/python" "$HOME/virtualenvs/pypy-$PYPY_VERSION"
         source "$HOME/virtualenvs/pypy-$PYPY_VERSION/bin/activate"
       fi
-  - pip install -r tests-requirements.txt
-  - python setup.py develop
+  - |
+      if [ "$VENV" != "" ]; then
+        virtualenv --python="$HOME/virtualenv/python$VENV/bin/python" "$HOME/virtualenvs/venv-$VENV"
+        source "$HOME/virtualenvs/venv-$VENV/bin/activate"
+      fi
+  - poetry install -v
+  - poetry build
+  - pip --version
+  - find dist/ -iname pendulum*.tar.gz -exec pip install {} \;
 
-script: py.test --cov=pendulum --cov-config=.coveragerc tests/
+script: pytest --cov=pendulum --cov-config=.coveragerc tests/
 
 after_success:
   - codecov

build.py

@@ -0,0 +1,60 @@
+import os
+import sys
+
+
+from distutils.core import Extension
+
+from distutils.errors import (CCompilerError, DistutilsExecError,
+                              DistutilsPlatformError)
+from distutils.command.build_ext import build_ext
+
+
+# C Extensions
+with_extensions = os.getenv('PENDULUM_EXTENSIONS', None)
+
+if with_extensions == '1' or with_extensions is None:
+    with_extensions = True
+
+if with_extensions == '0' or hasattr(sys, 'pypy_version_info'):
+    with_extensions = False
+
+extensions = []
+if with_extensions:
+    extensions = [
+        Extension('pendulum._extensions._helpers',
+                  ['pendulum/_extensions/_helpers.c']),
+    ]
+
+
+class BuildFailed(Exception):
+
+    pass
+
+
+class ExtBuilder(build_ext):
+    # This class allows C extension building to fail.
+
+    def run(self):
+        try:
+            build_ext.run(self)
+        except (DistutilsPlatformError, FileNotFoundError):
+            raise BuildFailed()
+
+    def build_extension(self, ext):
+        try:
+            build_ext.build_extension(self, ext)
+        except (CCompilerError, DistutilsExecError,
+                DistutilsPlatformError, ValueError):
+            raise BuildFailed()
+
+
+def build(setup_kwargs):
+    """
+    This function is mandatory in order to build the extensions.
+    """
+    setup_kwargs.update({
+        'ext_modules': extensions,
+        'cmdclass': {
+            'build_ext': ExtBuilder
+        }
+    })

pendulum/version.py

@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-VERSION = '1.4.2'
+VERSION = '1.4.3-beta'

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pendulum"
-version = "1.4.2"
+version = "1.4.3-beta"
 description = "Python datetimes made easy."
 
 license = "MIT"
@@ -16,9 +16,11 @@ repository = "https://github.com/sdispater/pendulum"
 
 keywords = ['datetime', 'date', 'time', 'timezone']
 
+build = "build.py"
+
 
 [tool.poetry.dependencies]
-python = "~2.7 || ^3.4"
+python = ">=2.7 || ^3.4"
 python-dateutil = "^2.6"
 tzlocal = "^1.5"
 pytzdata = ">=2018.3"