dropped support for Python 2

.travis.yml

@@ -2,7 +2,6 @@ language: python
 # ===== Linux ======
 dist: xenial
 python:
-  - 2.7
   - 3.5
   - 3.6
   - 3.7
@@ -19,17 +18,6 @@ matrix:
   #   - os: windows
   include:
     # ======= OSX ========
-    - name: "Python 2.7.14 on macOS 10.13"
-      os: osx
-      osx_image: xcode9.3  # Python 2.7.14_2 running on macOS 10.13
-      language: shell       # 'language: python' errors on Travis CI macOS
-      before_install:
-        - python --version
-        - pip install pytest --user
-        - pip install codecov --user
-      install: pip install ".[test]" --user
-      script: python -m pytest  # pytest command won't be found
-      after_success: python  -m codecov  # codecov command won't be found
     - name: "Python 3.6.5 on macOS 10.13"
       os: osx
       osx_image: xcode9.4  # Python 3.6.5 running on macOS 10.13
@@ -57,16 +45,6 @@ matrix:
       script: python3 -m pytest
       after_success: python3 -m codecov
     #  ====== WINDOWS =========
-    - name: "Python 2.7.16 on Windows"
-      os: windows           # Windows 10.0.17134 N/A Build 17134
-      language: shell # 'language: python' errors Travis CI Windows
-      before_install:
-        - choco install python2
-        - python --version
-        - python -m pip install --upgrade pip
-        - pip install --upgrade pytest
-        - pip install codecov
-      env: PATH=/c/Python27:/c/Python27/Scripts:$PATH
     - name: "Python 3.5.4 on Windows"
       os: windows           # Windows 10.0.17134 N/A Build 17134
       language: shell       # 'language: python' is an error on Travis CI Windows

README.rst

@@ -34,11 +34,17 @@ Install ``cachier`` with:
 
     pip install cachier
 
+For the latest version supporting Python 2.7 please use:
+
+.. code-block:: python
+
+    pip install 'cachier==1.2.8'
+
 Features
 ========
 
 * Pure Python.
-* Compatible with Python 2.7+ and Python 3.5+.
+* Compatible with Python 3.5+ (and Python 2.7 up until version 1.2.8). 
 * Supported and `tested on Linux, OS X and Windows <https://travis-ci.org/shaypal5/cachier>`_. 
 * A simple interface.
 * Defining "shelf life" for cached values.

cachier/pickle_core.py

@@ -20,11 +20,6 @@ from watchdog.events import PatternMatchingEventHandler
 
 from .base_core import _BaseCore
 
-try:
-    FileNotFoundError
-except NameError:  # we're on python 2
-    FileNotFoundError = IOError  # skipcq: PYL-W0622
-
 
 DEF_CACHIER_DIR = '~/.cachier/'
 

pytest.ini

@@ -0,0 +1,13 @@
+[pytest]
+testpaths =
+    tests
+    cachier
+norecursedirs=dist build .tox
+addopts =
+    # --doctest-modules
+    --cov=cachier
+    --cov-report term
+    --cov-report xml:cov.xml
+    -r a
+    -v
+    -s

setup.py

@@ -40,10 +40,10 @@ setup(
     ''',
     install_requires=[
         'watchdog', 'portalocker',
+        'pathtools',  # for watchdog, who has dependency spec problem
     ],
     extras_require={
         'test': TEST_REQUIRES,
-        ':python_version == "2.7"': ['futures'],
     },
     platforms=['linux', 'osx', 'windows'],
     keywords=['cache', 'persistence', 'mongo', 'memoization', 'decorator'],
@@ -53,8 +53,6 @@ setup(
         'Development Status :: 4 - Beta',
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',

tox.ini

@@ -1,36 +0,0 @@
-[tox]
-envlist =
-    py27
-    py35
-    py36
-# recreate = True
-
-[testenv]
-deps =
-    ; equivalent to pip -e .[test]
-    -e{toxinidir}[test]
-    ;-r{toxinidir}/tools/pip-requires
-    ;-r{toxinidir}/tools/test-require
-commands=py.test  # or 'nosetests' or ...
-usedevelop = true
-
-# [testenv:doctesting]
-# basepython = python
-# usedevelop=True
-# skipsdist=True
-# commands=
-#     pytest --doctest-modules --pyargs _pytest
-
-[pytest]
-testpaths =
-    tests
-    cachier
-norecursedirs=dist build .tox
-addopts =
-    # --doctest-modules
-    --cov=cachier
-    --cov-report term
-    --cov-report xml:cov.xml
-    -r a
-    -v
-    -s