Remove Python 2.7 and 3.5

Signed-off-by: Gábor Lipták <[email protected]>

Author: gliptak

.travis.yml

@@ -6,8 +6,6 @@ python:
   - "3.8"
   - "3.7"
   - "3.6"
-  - "3.5"
-  - "2.7"
 
 matrix:
   allow_failures:
@@ -17,15 +15,9 @@ install:
   # We do this conditionally because it saves us some downloading if the
   # version is the same.
   - unset VIRTUAL_ENV
-  # Python 3.4 and 2.7 need six installed before running setup.py
-  - pip install six
   # Travis needs to update pip/setuptools
   - pip install --upgrade setuptools pip
   - pip install .
-  - |
-    if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
-      pip install doit==0.29.0
-    fi
   - pip install doit
   - doit install_test_deps
 

appveyor.yml

@@ -6,7 +6,6 @@ image: Visual Studio 2019
 # environment variables
 environment:
   matrix:
-    - PYTHON: "C:\\Python35-x64"
     - PYTHON: "C:\\Python36-x64"
     - PYTHON: "C:\\Python37-x64"
     - PYTHON: "C:\\Python38-x64"

docs/environment.yml

@@ -2,7 +2,7 @@ name: nbval_docs
 channels:
   - conda-forge
 dependencies:
-- python=3.5
+- python=3.8
 - numpy
 - matplotlib
 - sphinx

docs/source/index.ipynb

@@ -588,7 +588,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.1"
+   "version": "3.8.6"
   }
  },
  "nbformat": 4,

issues/27/latex-example.ipynb

@@ -11,9 +11,7 @@
   {
    "cell_type": "code",
    "execution_count": 18,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "import sympy\n",
@@ -33,9 +31,7 @@
   {
    "cell_type": "code",
    "execution_count": 19,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -79,9 +75,7 @@
   {
    "cell_type": "code",
    "execution_count": 21,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -106,9 +100,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python [conda root]",
+   "display_name": "Python 3",
    "language": "python",
-   "name": "conda-root-py"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -120,7 +114,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.8.6"
   }
  },
  "nbformat": 4,

issues/7/tutorial_lib.ipynb

@@ -28,9 +28,7 @@
   {
    "cell_type": "code",
    "execution_count": 4,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -50,9 +48,7 @@
   {
    "cell_type": "code",
    "execution_count": 5,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -72,9 +68,7 @@
   {
    "cell_type": "code",
    "execution_count": 6,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -101,9 +95,7 @@
   {
    "cell_type": "code",
    "execution_count": 7,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "name": "stdout",
@@ -133,9 +125,7 @@
   {
    "cell_type": "code",
    "execution_count": 8,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -155,9 +145,7 @@
   {
    "cell_type": "code",
    "execution_count": 9,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -177,9 +165,7 @@
   {
    "cell_type": "code",
    "execution_count": 10,
-   "metadata": {
-    "collapsed": false
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -229,9 +215,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.4.4"
+   "version": "3.8.6"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 0
+ "nbformat_minor": 1
 }

nbval/plugin.py

@@ -16,13 +16,7 @@
 import warnings
 from collections import OrderedDict, defaultdict
 
-# for python 3 compatibility
-import six
-
-try:
-    from Queue import Empty
-except:
-    from queue import Empty
+from queue import Empty
 
 # for reading notebook files
 import nbformat
@@ -503,9 +497,9 @@ def compare_outputs(self, test, ref, skip_compare=None):
 
     def format_output_compare(self, key, left, right):
         """Format an output for printing"""
-        if isinstance(left, six.string_types):
+        if isinstance(left, str):
             left = _trim_base64(left)
-        if isinstance(right, six.string_types):
+        if isinstance(right, str):
             right = _trim_base64(right)
 
         cc = self.colors
@@ -799,7 +793,7 @@ def sanitize_outputs(self, outputs, skip_sanitize=('metadata',
     def sanitize(self, s):
         """sanitize a string for comparison.
         """
-        if not isinstance(s, six.string_types):
+        if not isinstance(s, str):
             return s
 
         """
@@ -808,7 +802,7 @@ def sanitize(self, s):
         is passed when py.test is called. Otherwise, the strings
         are not processed
         """
-        for regex, replace in six.iteritems(self.parent.sanitize_patterns):
+        for regex, replace in self.parent.sanitize_patterns.items():
             s = re.sub(regex, replace, s)
         return s
 
@@ -904,6 +898,6 @@ def _trim_base64(s):
 
 def _indent(s, indent='  '):
     """Intent each line with indent"""
-    if isinstance(s, six.string_types):
+    if isinstance(s, str):
         return '\n'.join(('%s%s' % (indent, line) for line in s.splitlines()))
     return s

readthedocs.yml

@@ -1,6 +1,6 @@
 type: sphinx
 python:
-  version: 3.5
+  version: 3.8
   pip_install: true
 conda:
   file: docs/environment.yml

setup.py

@@ -22,17 +22,16 @@
     },
     install_requires = [
         'pytest >= 2.8',
-        'six',
         'jupyter_client',
         'nbformat',
         'ipykernel',
         'coverage',
     ],
+    python_requires='>=3.6, <4',
     classifiers = [
         'Framework :: IPython',
         'Framework :: Pytest',
         'License :: OSI Approved :: BSD License',
-        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 3',
         'Topic :: Software Development :: Testing',
     ]

tests/exceptions.ipynb

@@ -141,7 +141,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.0"
+   "version": "3.8.6"
   }
  },
  "nbformat": 4,