Merge branch 'master' into 2.0

# Conflicts:
#	CHANGELOG.md

17 files changed, 154 insertions, 155 deletions

diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index 33f48d91..00000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-# AppVeyor (https://www.appveyor.com) continous integration configuration file for Windows unit tests
-build: off
-
-environment:
-  PYTHONUNBUFFERED: 1
-  matrix:
-    - PYTHON: "C:\\Miniconda36-x64"
-      PYTHON_VERSION: "3.6.x"
-      PYTHON_ARCH: "64"
-      NOXSESSION: "tests-3.6"
-
-    - PYTHON: "C:\\Miniconda37-x64"
-      PYTHON_VERSION: "3.7.x"
-      PYTHON_ARCH: "64"
-      NOXSESSION: "tests-3.7"
-
-init:
-  - "%PYTHON%/python -V"
-  - mkdir C:\Users\appveyor\.conda
-  - call %PYTHON%\Scripts\activate.bat
-
-install:
-  # Prepend the right Python version to the PATH of this build
-  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
-
-  # Check that we have the expected version and architecture for Python
-  - "python --version"
-  - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
-
-  # Update conda stuff to make sure pip, setuptools, wheel etc are up to date
-  - "conda update --all -y"
-
-  # Install nox
-  - "python -m pip install --upgrade nox"
-
-
-
-test_script:
-- "nox --non-interactive --session %NOXSESSION%"
diff --git a/CODEOWNERS b/.github/CODEOWNERS
index 442e08d9..1693b82c 100644
--- a/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1,3 +1,12 @@
+# -------------------------------------------------
+# CODEOWNERS - For automated review request for
+# high impact files.
+#
+# Important: The order in this file cascades.
+#
+# https://help.github.com/articles/about-codeowners
+# -------------------------------------------------
+
 # Lines starting with '#' are comments.
 # Each line is a file pattern followed by one or more owners.
 # Owners of code are automatically nominated to review PRs involving that code.
@@ -60,7 +69,8 @@ tests/test_transcript.py      @kotfu
 tests_isolated/test_commandset/*    @anselor
 
 # Top-level project stuff
-CONTRIBUTING.md         @tleonhardt @kotfu
 setup.py                @tleonhardt @kotfu
 tasks.py                @kotfu
 
+# GitHub stuff
+.github/*               @tleonhardt
diff --git a/CODE_OF_CONDUCT.md b/.github/CODE_OF_CONDUCT.md
index bdd7a3e3..bdd7a3e3 100644
--- a/CODE_OF_CONDUCT.md
+++ b/.github/CODE_OF_CONDUCT.md
diff --git a/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 1175618a..6e5e7b9b 100644
--- a/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -458,7 +458,8 @@ how to do it.
 
 7.  Creating the PR causes our continuous integration (CI) systems to automatically run all of the
     unit tests on all supported OSes and all supported versions of Python. You should watch your PR
-    to make sure that all unit tests pass on TravisCI (Linux), AppVeyor (Windows), and VSTS (macOS).
+    to make sure that all unit tests pass on every version of Python for each of Linux, Windows, and
+    macOS.
 
 8.  If any unit tests fail, you should look at the details and fix the failures. You can then push
     the fix to the same branch in your fork. The PR will automatically get updated and the CI system
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..8f90bdc1
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,30 @@
+# For documentation on GitHub Actions Workflows, see:
+# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  ci:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2  # https://github.com/actions/checkout
+        with:
+          # Only a single commit is fetched by default, for the ref/SHA that triggered the workflow.
+          # Set fetch-depth: 0 to fetch all history for all branches and tags.
+          fetch-depth: 0 # Needed for setuptools_scm to work correctly
+      - name: Set up Python
+        uses: actions/setup-python@v2  # https://github.com/actions/setup-python
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install python prerequisites
+        run: pip install -U --user pip setuptools setuptools-scm nox
+      - name: Run tests and post coverage results
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: python -m nox --non-interactive --session tests-${{ matrix.python-version }}  # Run nox for a single version of Python
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
new file mode 100644
index 00000000..778a8aa4
--- /dev/null
+++ b/.github/workflows/doc.yml
@@ -0,0 +1,28 @@
+# For documentation on GitHub Actions Workflows, see:
+# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
+name: Doc
+
+on: [push, pull_request]
+
+jobs:
+  doc:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.9]
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2  # https://github.com/actions/checkout
+        with:
+          # Only a single commit is fetched by default, for the ref/SHA that triggered the workflow.
+          # Set fetch-depth: 0 to fetch all history for all branches and tags.
+          fetch-depth: 0 # Needed for setuptools_scm to work correctly
+      - name: Set up Python
+        uses: actions/setup-python@v2  # https://github.com/actions/setup-python
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install python prerequisites
+        run: pip install -U --user pip setuptools setuptools-scm nox
+      - name: Sphinx documentation build
+        run: python -m nox --non-interactive --session docs
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 00000000..38ce75a8
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,28 @@
+# For documentation on GitHub Actions Workflows, see:
+# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
+name: Lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: [3.9]
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2  # https://github.com/actions/checkout
+        with:
+          # Only a single commit is fetched by default, for the ref/SHA that triggered the workflow.
+          # Set fetch-depth: 0 to fetch all history for all branches and tags.
+          fetch-depth: 0 # Needed for setuptools_scm to work correctly
+      - name: Set up Python
+        uses: actions/setup-python@v2  # https://github.com/actions/setup-python
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install python prerequisites
+        run: pip install -U --user pip setuptools setuptools-scm flake8
+      - name: Lint
+        run: python -m flake8 . --count --ignore=E252,W503 --max-complexity=26 --max-line-length=127 --show-source --statistics ;
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 6a9cdac2..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,61 +0,0 @@
-language: python
-
-matrix:
-    include:
-        - os: linux
-          python: 3.5.2
-          env: NOXSESSION=tests-3.5.2
-        - os: linux
-          python: 3.5.3
-          env: NOXSESSION=tests-3.5.3
-        - os: linux
-          python: 3.5
-          env: NOXSESSION=tests-3.5
-        - os: linux
-          python: 3.6
-          env: NOXSESSION=tests-3.6
-        - os: linux
-          python: 3.7
-          dist: xenial
-          env: NOXSESSION=tests-3.7
-        - os: linux
-          python: 3.8
-          dist: xenial
-          env: NOXSESSION=tests-3.8
-        - os: linux
-          python: 3.9-dev
-          dist: xenial
-          env: NOXSESSION=tests-3.9
-        - os: linux
-          python: 3.7
-          env: NOXSESSION=docs
-#        # Warning: Don't try to use code coverage analysis with pypy as it is insanely slow
-#        - os: linux
-#          python: pypy3
-#          env: TOXENV=pypy3
-#        # Latest Python 3.x from Homebrew
-#        - os: osx
-#          language: generic
-#          env:
-#            - TOXENV=py36
-#            - BREW_INSTALL=python3
-
-install:
-  - if [[ $TRAVIS_PYTHON_VERSION == 3.5.2 ]]; then pip install flake8 nox==2019.11.9; else pip install flake8 nox; fi
-#  - |
-#    if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
-#      if [[ -n "$BREW_INSTALL" ]]; then
-#        brew update
-#        brew install "$BREW_INSTALL"
-#      fi
-#    fi
-
-before_script:
-  # stop the build if there are Python syntax errors or undefined names
-  # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
-  if [[ $NOXSESSION == tests-3.8 ]]; then
-    flake8 . --count --ignore=E252,W503 --max-complexity=26 --max-line-length=127 --show-source --statistics ;
-  fi
-
-script:
-  - echo "$NOXSESSION"; nox --non-interactive --session "$NOXSESSION"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1abed8f..c3bc9373 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 2.0.0 (TBD)
+## 2.0.0 (TBD, 2021)
 * Breaking changes
     * Argparse Completion / Settables
         * Replaced `choices_function` / `choices_method` with `choices_provider`.
@@ -16,7 +16,7 @@
       See [read_input.py](https://github.com/python-cmd2/cmd2/blob/master/examples/read_input.py)
       for an example.
 
-## 1.4.1 (TBD, 2020)
+## 1.5.0 (January 31, 2021)
 * Bug Fixes
     * Fixed bug where setting `always_show_hint=True` did not show a hint when completing `Settables`
     * Fixed bug in editor detection logic on Linux systems that do not have `which`
@@ -25,7 +25,9 @@
 * Enhancements
     * Added `silent_startup_script` option to `cmd2.Cmd.__init__()`. If `True`, then the startup script's
       output will be suppressed. Anything written to stderr will still display.
-    * cmd2 now uses pyreadline3 when running Python 3.8 or greater on Windows  
+    * cmd2 now uses pyreadline3 when running Python 3.8 or greater on Windows
+* Notes
+    * This is the last release planned to support Python 3.5
 
 ## 1.4.0 (November 11, 2020)
 * Bug Fixes
diff --git a/MANIFEST.in b/MANIFEST.in
index f0b53367..9e12de27 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,6 @@
-include LICENSE README.md CHANGELOG.md CONTRIBUTING.md noxfile.py Pipfile
+include LICENSE README.md CHANGELOG.md noxfile.py Pipfile
 recursive-include examples *
 recursive-include tests *
 recursive-include docs *
 recursive-exclude docs/_build *
-exclude .appveyor.yml .gitignore .travis.yml azure-pipelines.yml CODEOWNERS tasks.py
+exclude .github .gitignore azure-pipelines.yml tasks.py
diff --git a/README.md b/README.md
index 946e2d1f..d43908f6 100755
--- a/README.md
+++ b/README.md
@@ -1,8 +1,7 @@
 cmd2: a tool for building interactive command line apps
 =======================================================
 [![Latest Version](https://img.shields.io/pypi/v/cmd2.svg?style=flat-square&label=latest%20stable%20version)](https://pypi.python.org/pypi/cmd2/)
-[![Build status](https://img.shields.io/travis/python-cmd2/cmd2.svg?style=flat-square&label=unix%20build)](https://travis-ci.org/python-cmd2/cmd2)
-[![Appveyor build status](https://img.shields.io/appveyor/ci/FedericoCeratto/cmd2.svg?style=flat-square&label=windows%20build)](https://ci.appveyor.com/project/FedericoCeratto/cmd2)
+[![GitHub Actions](https://github.com/python-cmd2/cmd2/workflows/CI/badge.svg)](https://github.com/python-cmd2/cmd2/actions?query=workflow%3ACI)
 [![Azure Build status](https://python-cmd2.visualstudio.com/cmd2/_apis/build/status/python-cmd2.cmd2?branch=master)](https://python-cmd2.visualstudio.com/cmd2/_build/latest?definitionId=1&branch=master)
 [![codecov](https://codecov.io/gh/python-cmd2/cmd2/branch/master/graph/badge.svg)](https://codecov.io/gh/python-cmd2/cmd2)
 [![Documentation Status](https://readthedocs.org/projects/cmd2/badge/?version=latest)](http://cmd2.readthedocs.io/en/latest/?badge=latest)
@@ -46,13 +45,15 @@ Main Features
 - Alerts that seamlessly print while user enters text at prompt
 - Colored and stylized output using `ansi.style()`
 
-Python 3.5 support ending soon
-------------------------------
-`cmd2` will end support for Python 3.5 on August 31, 2020.  Python 3.5 was [released](https://docs.python.org/3/whatsnew/3.5.html)
-on Sept. 13, 2015 and its [end-of-life](https://devguide.python.org/#status-of-python-branches) is planned for September 2020. 
+Python 3.5 support ended
+------------------------
+The last release of `cmd2` to support Python 3.5 was the 1.5.0 release on January 31, 2021.  Python 3.5 was 
+[released](https://docs.python.org/3/whatsnew/3.5.html) on Sept. 13, 2015 and it reached
+[end-of-life](https://devguide.python.org/#status-of-python-branches) on September 5, 2020. 
 
-New versions of `cmd2` will stop supporting Python 3.5 in a few months. We are very much looking forward to being able to use 
-[features added in Python 3.6](https://docs.python.org/3/whatsnew/3.6.html) such as [f-strings](https://realpython.com/python-f-strings/).
+We are very much looking forward to being able to use 
+[features added in Python 3.6](https://docs.python.org/3/whatsnew/3.6.html) such as 
+[f-strings](https://realpython.com/python-f-strings/).
 
 Installation
 ------------
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 5f58bc0d..8e5e170d 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -14,9 +14,6 @@ jobs:
   # Run the pipeline with multiple Python versions
   strategy:
     matrix:
-      Python35:
-        python.version: '3.5'
-        NOXSESSION: 'tests-3.5'
       Python36:
         python.version: '3.6'
         NOXSESSION: 'tests-3.6'
@@ -26,6 +23,9 @@ jobs:
       Python38:
         python.version: '3.8'
         NOXSESSION: 'tests-3.8'
+      Python39:
+        python.version: '3.9'
+        NOXSESSION: 'tests-3.9'
     # Increase the maxParallel value to simultaneously run the job for all versions in the matrix (max 10 for free open-source)
     maxParallel: 4
 
diff --git a/cmd2/cmd2.py b/cmd2/cmd2.py
index 27746323..e1d15131 100644
--- a/cmd2/cmd2.py
+++ b/cmd2/cmd2.py
@@ -4061,36 +4061,11 @@ class Cmd(cmd.Cmd):
                 readline.clear_history()
             return
 
-        # If an argument was supplied, then retrieve partial contents of the history
-        cowardly_refuse_to_run = False
-        if args.arg:
-            # If a character indicating a slice is present, retrieve
-            # a slice of the history
-            arg = args.arg
-            arg_is_int = False
-            try:
-                int(arg)
-                arg_is_int = True
-            except ValueError:
-                pass
-
-            if '..' in arg or ':' in arg:
-                # Get a slice of history
-                history = self.history.span(arg, args.all)
-            elif arg_is_int:
-                history = [self.history.get(arg)]
-            elif arg.startswith(r'/') and arg.endswith(r'/'):
-                history = self.history.regex_search(arg, args.all)
-            else:
-                history = self.history.str_search(arg, args.all)
-        else:
-            # If no arg given, then retrieve the entire history
-            cowardly_refuse_to_run = True
-            # Get a copy of the history so it doesn't get mutated while we are using it
-            history = self.history.span(':', args.all)
+        # If an argument was supplied, then retrieve partial contents of the history, otherwise retrieve it all
+        history = self._get_history(args)
 
         if args.run:
-            if cowardly_refuse_to_run:
+            if not args.arg:
                 self.perror("Cowardly refusing to run all previously entered commands.")
                 self.perror("If this is what you want to do, specify '1:' as the range of history.")
             else:
@@ -4130,6 +4105,32 @@ class Cmd(cmd.Cmd):
             for hi in history:
                 self.poutput(hi.pr(script=args.script, expanded=args.expanded, verbose=args.verbose))
 
+    def _get_history(self, args: argparse.Namespace) -> List[HistoryItem]:
+        """If an argument was supplied, then retrieve partial contents of the history; otherwise retrieve entire history."""
+        if args.arg:
+            # If a character indicating a slice is present, retrieve a slice of the history
+            arg = args.arg
+            arg_is_int = False
+            try:
+                int(arg)
+                arg_is_int = True
+            except ValueError:
+                pass
+
+            if '..' in arg or ':' in arg:
+                # Get a slice of history
+                history = self.history.span(arg, args.all)
+            elif arg_is_int:
+                history = [self.history.get(arg)]
+            elif arg.startswith(r'/') and arg.endswith(r'/'):
+                history = self.history.regex_search(arg, args.all)
+            else:
+                history = self.history.str_search(arg, args.all)
+        else:
+            # Get a copy of the history so it doesn't get mutated while we are using it
+            history = self.history.span(':', args.all)
+        return history
+
     def _initialize_history(self, hist_file):
         """Initialize history using history related attributes
 
diff --git a/noxfile.py b/noxfile.py
index a46c008e..ce7a287a 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,7 +1,7 @@
 import nox
 
 
-@nox.session(python=['3.7'])
+@nox.session(python=['3.9'])
 def docs(session):
     session.install('sphinx',
                     'sphinx-rtd-theme',
@@ -15,7 +15,7 @@ def docs(session):
                 '-d', '{}/doctrees'.format(tmpdir), '.', '{}/html'.format(tmpdir))
 
 
-@nox.session(python=['3.5.2', '3.5.3', '3.5', '3.6', '3.7', '3.8', '3.9'])
+@nox.session(python=['3.6', '3.7', '3.8', '3.9'])
 @nox.parametrize('plugin', [None,
                             'ext_test',
                             'template',
diff --git a/plugins/template/README.md b/plugins/template/README.md
index 8a423f06..1944f1c7 100644
--- a/plugins/template/README.md
+++ b/plugins/template/README.md
@@ -210,8 +210,8 @@ tiered testing strategy to accomplish this objective.
 - [pytest](https://pytest.org) runs the unit tests
 - [nox](https://nox.thea.codes/en/stable/) runs the unit tests on multiple versions
   of python
-- [AppVeyor](https://www.appveyor.com/) and [TravisCI](https://travis-ci.com)
-  run the tests on the various supported platforms
+- [GitHub Actions](https://github.com/features/actions) runs the tests on the various 
+  supported platforms
 
 This plugin template is set up to use the same strategy.
 
@@ -307,9 +307,7 @@ $ nox
 
 ### Run unit tests on multiple platforms
 
-[AppVeyor](https://github.com/marketplace/appveyor) and
-[TravisCI](https://docs.travis-ci.com/user/getting-started/) offer free plans
-for open source projects.
+[GitHub Actions](https://github.com/features/actions) offers free plans for open source projects
 
 
 ## Packaging and Distribution
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..51000e45
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,2 @@
+[build-system]
+requires = ["setuptools>=42", "wheel", "setuptools_scm[toml]>=3.4"]
diff --git a/tests/test_completion.py b/tests/test_completion.py
index 3eab8572..22535173 100755
--- a/tests/test_completion.py
+++ b/tests/test_completion.py
@@ -491,8 +491,6 @@ def test_path_completion_doesnt_match_wildcards(cmd2_app, request):
     # Currently path completion doesn't accept wildcards, so will always return empty results
     assert cmd2_app.path_complete(text, line, begidx, endidx) == []
 
-@pytest.mark.skipif(sys.platform == 'win32', reason="getpass.getuser() does not work on Windows in AppVeyor because "
-                                                    "no user name environment variables are set")
 def test_path_completion_complete_user(cmd2_app):
     import getpass
     user = getpass.getuser()