Drop support for EOL Python

.github/PULL_REQUEST_TEMPLATE

@@ -3,11 +3,11 @@ We appreciate the effort for this pull request but before that please make sure
 
 
 Please enter each Issue number you are resolving in your PR after one of the following words [Fixes, Closes, Resolves]. This will auto-link these issues and close them when this PR is merged!
-e.g. 
+e.g.
 Fixes #1
 Closes #2
 -->
-# Fixes # 
+# Fixes #
 
 ### Checklist
 - [ ] I have made a material change to the repo (functionality, testing, spelling, grammar)
@@ -18,7 +18,7 @@ Closes #2
 - [ ] I have added in line documentation to the code I modified
 
 ### Short description of what this PR does:
-- 
-- 
+-
+-
 
-If you have questions, please send an email to [Sendgrid](mailto:[email protected]), or file a Github Issue in this repository.
+If you have questions, please send an email to [SendGrid](mailto:[email protected]), or file a GitHub Issue in this repository.

.travis.yml

@@ -2,7 +2,6 @@ language: python
 sudo: false
 cache: pip
 python:
-- '2.6'
 - '2.7'
 - '3.4'
 - '3.5'
@@ -18,19 +17,16 @@ before_install:
     - pip install pycodestyle
 install:
 - pip install codecov
-- if [[ "$TRAVIS_PYTHON_VERSION" == 2.6* ]]; then travis_retry pip install unittest2; fi
-- if [[ "$TRAVIS_PYTHON_VERSION" == 2.6* ]]; then travis_retry pip uninstall -y pbr; fi
-- if [[ "$TRAVIS_PYTHON_VERSION" == "3.2" ]]; then travis_retry pip install coverage==3.7.1; fi
-- if [[ "$TRAVIS_PYTHON_VERSION" != "3.2" ]]; then travis_retry pip install coverage; fi
+- travis_retry pip install coverage
 - python setup.py install
 - pip install codecov
 script:
-- if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then coverage run -m unittest2 discover; else coverage run -m unittest discover; fi
+- coverage run -m unittest discover
 after_script:
 - codecov
 # Run pycodestyle
 - pycodestyle
-- if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then unit2 discover; else python -m unittest discover; fi
+- python -m unittest discover
 - coverage run tests/test_unit.py
 notifications:
   hipchat:

CONTRIBUTING.md

@@ -47,7 +47,7 @@ A software bug is a demonstrable issue in the code base. In order for us to diag
 
 Before you decide to create a new issue, please try the following:
 
-1. Check the Github issues tab if the identified issue has already been reported, if so, please add a +1 to the existing post.
+1. Check the GitHub issues tab if the identified issue has already been reported, if so, please add a +1 to the existing post.
 2. Update to the latest version of this code and check if issue has already been fixed
 3. Copy and fill in the Bug Report Template we have provided below
 
@@ -66,7 +66,7 @@ We welcome direct contributions to the python-http-client code base. Thank you!
 
 ##### Prerequisites #####
 
-- Python 2.6, 2.7 or 3.3+
+- Python 2.7 and 3.4+
 - There are no external dependencies
 
 ##### Initial setup: #####
@@ -112,14 +112,6 @@ All test files are in the [`tests`](https://github.com/sendgrid/python-http-clie
 
 For the purposes of contributing to this repo, please update the [`test_unit.py`](https://github.com/sendgrid/python-http-client/blob/master/test/test_unit.py) file with unit tests as you modify the code.
 
-For Python 2.6.*:
-
-```bash
-unit2 discover -v
-```
-
-For Python 2.7.* and up:
-
 ```bash
 python -m unittest discover -v
 ```
@@ -141,13 +133,12 @@ The above local "Initial setup" is complete
 Add `eval "$(pyenv init -)"` to your shell environment (.profile, .bashrc, etc) after installing tox, you only need to do this once.
 
 ```bash
-pyenv install 2.6.9
 pyenv install 2.7.11
 pyenv install 3.4.3
 pyenv install 3.5.2
 pyenv install 3.6.0
 python setup.py install
-pyenv local 3.6.0 3.5.2 3.4.3 2.7.8 2.6.9
+pyenv local 3.6.0 3.5.2 3.4.3 2.7.8
 pyenv rehash
 ```
 
@@ -229,4 +220,4 @@ If you have any additional questions, please feel free to [email](mailto:dx@send
 
 <a name="code-reviews"></a>
 ## Code Reviews
-If you can, please look at open PRs and review them. Give feedback and help us merge these PRs much faster! If you don't know how, Github has some great [information on how to review a Pull Request](https://help.github.com/articles/about-pull-request-reviews/).
+If you can, please look at open PRs and review them. Give feedback and help us merge these PRs much faster! If you don't know how, GitHub has some great [information on how to review a Pull Request](https://help.github.com/articles/about-pull-request-reviews/).

Dockerfile

@@ -1,5 +1,5 @@
 FROM ubuntu:xenial
-ENV PYTHON_VERSIONS='python2.6 python2.7 python3.4 python3.5 python3.6 python3.7' \
+ENV PYTHON_VERSIONS='python2.7 python3.4 python3.5 python3.6 python3.7' \
     OAI_SPEC_URL="https://raw.githubusercontent.com/sendgrid/sendgrid-oai/master/oai_stoplight.json"
 
 # install testing versions of python, including old versions, from deadsnakes

README.md

@@ -31,7 +31,7 @@ If you are looking for the SendGrid API client library, please see [this repo](h
 
 ## Prerequisites
 
-- Python version 2.6, 2.7, 3.4, 3.5 or 3.6
+- Python version 2.7 or 3.4+
 
 ## Install Package
 

examples/live_sendgrid_example.py

@@ -5,7 +5,7 @@
 host = "https://api.sendgrid.com"
 api_key = os.environ.get('SENDGRID_API_KEY')
 request_headers = {
-    "Authorization": 'Bearer {0}'.format(api_key)
+    "Authorization": 'Bearer {}'.format(api_key)
 }
 version = 3  # we could also use client.version(3)
 client = python_http_client.Client(host=host,

python_http_client/client.py

@@ -102,7 +102,7 @@ def _build_versioned_url(self, url):
         :type url: string
         :return: string
         """
-        return '{0}/v{1}{2}'.format(self.host, str(self._version), url)
+        return '{}/v{}{}'.format(self.host, str(self._version), url)
 
     def _build_url(self, query_params):
         """Build the final URL to be passed to urllib
@@ -114,7 +114,7 @@ def _build_url(self, query_params):
         url = ''
         count = 0
         while count < len(self._url_path):
-            url += '/{0}'.format(self._url_path[count])
+            url += '/{}'.format(self._url_path[count])
             count += 1
 
         # add slash
@@ -123,7 +123,7 @@ def _build_url(self, query_params):
 
         if query_params:
             url_values = urlencode(sorted(query_params.items()), True)
-            url = '{0}?{1}'.format(url, url_values)
+            url = '{}?{}'.format(url, url_values)
 
         if self._version:
             url = self._build_versioned_url(url)

setup.py

@@ -1,4 +1,3 @@
-import sys
 import os
 from setuptools import setup
 
@@ -8,36 +7,27 @@
     long_description = open('README.txt').read()
 
 
-def get_requires():
-    deps = []
-    if (2, 6) <= sys.version_info < (2, 7):
-        deps.append('unittest2')
-    return deps
-
-
 base_url = 'https://github.com/sendgrid/'
 version = '3.1.0'
 setup(
     name='python_http_client',
     version=version,
     author='Elmer Thomas',
     author_email='[email protected]',
-    url='{0}python-http-client'.format(base_url),
-    download_url='{0}python-http-client/tarball/{1}'.format(base_url, version),
+    url='{}python-http-client'.format(base_url),
+    download_url='{}python-http-client/tarball/{}'.format(base_url, version),
     packages=['python_http_client'],
     license='MIT',
     description='HTTP REST client, simplified for Python',
     long_description=long_description,
-    install_requires=get_requires(),
     keywords=[
         'REST',
         'HTTP',
         'API'],
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
     classifiers=[
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6'

tests/profile.py

@@ -131,13 +131,13 @@ def run_tested_code(client, num_loops):
 
 @timefunc
 def dynamic_version():
-    local_path = '{0}/..'.format(os.path.abspath(os.path.dirname(__file__)))
+    local_path = '{}/..'.format(os.path.abspath(os.path.dirname(__file__)))
     Config(local_path)
     api_key = os.environ.get('SENDGRID_API_KEY')
     request_headers = {
         'X-Mock': 200,
         'Content-Type': 'application/json',
-        'Authorization': 'Bearer {0}'.format(api_key)
+        'Authorization': 'Bearer {}'.format(api_key)
     }
     client = Client(host=os.environ.get('LOCAL_HOST'),
                     request_headers=request_headers,
@@ -147,13 +147,13 @@ def dynamic_version():
 
 @timefunc
 def static_version():
-    local_path = '{0}/..'.format(os.path.abspath(os.path.dirname(__file__)))
+    local_path = '{}/..'.format(os.path.abspath(os.path.dirname(__file__)))
     Config(local_path)
     api_key = os.environ.get('SENDGRID_API_KEY')
     request_headers = {
         'X-Mock': 200,
         'Content-Type': 'application/json',
-        'Authorization': 'Bearer {0}'.format(api_key)
+        'Authorization': 'Bearer {}'.format(api_key)
     }
     client = StaticClient(host=os.environ.get('LOCAL_HOST'),
                           request_headers=request_headers,

tests/test_daterange.py

@@ -1,10 +1,6 @@
 import os
 import time
-
-try:
-    import unittest2 as unittest
-except ImportError:
-    import unittest
+import unittest
 
 
 class DateRangeTest(unittest.TestCase):
@@ -19,5 +15,4 @@ def setUp(self):
         fh.close()
 
     def test__daterange(self):
-        self.assertTrue(self.pattern in self.licensefile)
-
+        self.assertIn(self.pattern, self.licensefile)

tests/test_repofiles.py

@@ -1,8 +1,5 @@
+import unittest
 from os import path
-try:
-    import unittest2 as unittest
-except ImportError:
-    import unittest
 
 
 class RepoFiles(unittest.TestCase):
@@ -34,5 +31,5 @@ def _all_file(self, files):
 
     def test_file_existence(self):
         missing = list(filter(self._all_file, self.FILES))
-        self.assertTrue(len(missing) == 0,
-                        "Files %s aren't found" % str(missing))
+        self.assertEqual(len(missing), 0,
+                         "Files %s aren't found" % str(missing))

tests/test_unit.py

@@ -1,9 +1,6 @@
 import pickle
+import unittest
 
-try:
-    import unittest2 as unittest
-except ImportError:
-    import unittest
 from python_http_client.client import Client
 from python_http_client.exceptions import (
     handle_error,
@@ -86,7 +83,7 @@ def test__init__(self):
         self.assertIs(default_client.timeout, None)
         methods = ['delete', 'get', 'patch', 'post', 'put']
         self.assertEqual(default_client.methods, methods)
-        self.assertEqual(default_client._version, None)
+        self.assertIsNone(default_client._version)
         self.assertEqual(default_client._url_path, [])
 
         request_headers = {'X-Test': 'test', 'X-Test2': 1}
@@ -106,15 +103,15 @@ def test__init__(self):
     def test__build_versioned_url(self):
         url = '/api_keys?hello=1&world=2'
         versioned_url = self.client._build_versioned_url(url)
-        url = '{0}/v{1}{2}'.format(self.host, str(self.client._version), url)
+        url = '{}/v{}{}'.format(self.host, str(self.client._version), url)
         self.assertEqual(versioned_url, url)
 
     def test__build_url(self):
         self.client._url_path = self.client._url_path + ['here']
         self.client._url_path = self.client._url_path + ['there']
         self.client._url_path = self.client._url_path + [1]
         self.client._version = 3
-        url = '{0}/v{1}{2}'.format(
+        url = '{}/v{}{}'.format(
             self.host,
             str(self.client._version),
             '/here/there/1?hello=0&world=1&ztest=0&ztest=1'
@@ -126,7 +123,7 @@ def test__build_url(self):
     def test__update_headers(self):
         request_headers = {'X-Test': 'Test'}
         self.client._update_headers(request_headers)
-        self.assertTrue('X-Test' in self.client.request_headers)
+        self.assertIn('X-Test', self.client.request_headers)
         self.client.request_headers.pop('X-Test', None)
 
     def test__build_client(self):

tox.ini

@@ -4,32 +4,17 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py26, py27, py32, py33, py34, py35, py36, py37
+envlist = py27, py34, py35, py36, py37
 
 [testenv]
 commands = {envbindir}/python -m unittest discover -v []
 deps =
 
-[testenv:py26]
-commands = {envbindir}/unit2 discover -v []
-deps =
-basepython = python2.6
-
 [testenv:py27]
 commands = {envbindir}/python -m unittest discover -v []
 deps =
 basepython = python2.7
 
-[testenv:py32]
-commands = {envbindir}/python -m unittest discover -v []
-deps =
-basepython = python3.2
-
-[testenv:py33]
-commands = {envbindir}/python -m unittest discover -v []
-deps =
-basepython = python3.3
-
 [testenv:py34]
 commands = {envbindir}/python -m unittest discover -v []
 deps =