Update requirements (#46)

* [x] Use setuptools compatibility list from OpenStack
* [x] six >=1.10.0
* [x] Python >= 2.7.5 (drop pre-historic)
* [x] dep-graph check made really simple
* [x] build python 2 wheel using PyPy

Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>

Author: penguinolog

.travis.yml

@@ -6,7 +6,7 @@ python:
 - 3.4
 - 3.5
 - &mainstream_python 3.6
-- pypy
+- &pypy pypy
 - pypy3.5
 install:
 - &upgrade_python_toolset pip install --upgrade pip setuptools wheel
@@ -42,7 +42,8 @@ jobs:
   - stage: deploy
     # This prevents job from appearing in test plan unless commit is tagged:
     if: tag IS present
-    python: *mainstream_python
+    # Run on pypy to build not cythonized wheel
+    python: *pypy
     services:
     - docker
     install:
@@ -61,7 +62,7 @@ jobs:
         secure: "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"
       on:
         tags: true
-        distributions: sdist
+        distributions: sdist bdist_wheel
       skip_upload_docs: true
 
 cache: pip

pyproject.toml

@@ -2,6 +2,6 @@
 # Minimum requirements for the build system to execute.
 # PEP 508 specifications for PEP 518.
 requires = [
-    "setuptools > 20.2 ",
+    "setuptools >= 21.0.0,!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,!=36.2.0",  # PSF/ZPL
     "wheel",
 ]

requirements.txt

@@ -1,6 +1,6 @@
 paramiko>=2.4  # LGPLv2.1+
-tenacity>=3.2.1  # Apache-2.0
-six>=1.9.0  # MIT
+tenacity>=4.4.0  # Apache-2.0
+six>=1.10.0  # MIT
 threaded>=1.0  # Apache-2.0
 PyYAML>=3.12  # MIT
 advanced-descriptors>=1.0  # Apache-2.0

setup.cfg

@@ -6,10 +6,17 @@ long_description = file: README.rst
 [options]
 zip_safe = False
 packages = find:
+
+# While setuptools cannot deal with pre-installed incompatible versions,
+# setting a lower bound is not harmful - it makes error messages cleaner. DO
+# NOT set an upper bound on setuptools, as that will lead to uninstallable
+# situations as progressive releases of projects are done.
+# Blacklist setuptools 34.0.0-34.3.2 due to https://github.com/pypa/setuptools/issues/951
+# Blacklist setuptools 36.2.0 due to https://github.com/pypa/setuptools/issues/1086
 setup_requires =
-    setuptools > 20.2
+    setuptools >= 21.0.0,!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,!=36.2.0
 
-python_requires = >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*
+python_requires = >=2.7.5,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*
 
 [bdist_wheel]
 # This flag says that the code is written to work on both Python 2 and Python

tox.ini

@@ -137,9 +137,7 @@ deps = bandit
 commands = bandit -r exec_helpers
 
 [testenv:dep-graph]
-envdir = {toxworkdir}/dep-graph
 deps =
-    pipenv
-commands =
-    pipenv install -r {toxinidir}/build_requirements.txt --skip-lock
-    pipenv graph
+    .
+    pipdeptree
+commands = pipdeptree