aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGalen Guyer <galen@galenguyer.com>2020-10-31 11:58:32 -0400
committerGalen Guyer <galen@galenguyer.com>2020-10-31 11:59:58 -0400
commit1009968ea0ca43ef1b1bc421f7694f1f70707948 (patch)
treef40c80a45095782290fb1af52bd7e683d6a74710
Initial commit
-rw-r--r--.gitignore132
-rw-r--r--.pylintrc6
-rw-r--r--.travis.yml12
-rw-r--r--Dockerfile16
-rw-r--r--LICENCE.txt19
-rw-r--r--README.md27
-rw-r--r--config.env.py17
-rw-r--r--demo/__init__.py20
-rw-r--r--requirements.txt4
-rw-r--r--wsgi.py8
10 files changed, 261 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..68504eb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,132 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+# Usually these files are written by a python script from a template
+# before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+# However, in case of collaboration, if having platform-specific dependencies or dependencies
+# having no cross-platform support, pipenv may install dependencies that don't work, or not
+# install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# Don't commit secrets!
+config.py
diff --git a/.pylintrc b/.pylintrc
new file mode 100644
index 0000000..3660be0
--- /dev/null
+++ b/.pylintrc
@@ -0,0 +1,6 @@
+[MASTER]
+persistent = yes
+load-plugins = pylint_quotes
+
+[FORMAT]
+output-format = colorized
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..7e891f8
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,12 @@
+language: python
+python:
+ - "3.8"
+services:
+ - "docker"
+
+install:
+ - "pip install -r requirements.txt"
+script:
+ - "pylint demo"
+ - "docker build -t demo ."
+
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..194a42a
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,16 @@
+FROM python:3.8-alpine
+MAINTAINER Galen Guyer <galen@galenguyer.com>
+
+RUN mkdir /opt/demo
+
+ADD requirements.txt /opt/demo
+
+WORKDIR /opt/demo
+
+RUN pip install -r requirements.txt
+
+ADD . /opt/demo
+
+RUN ln -sf /usr/share/zoneinfo/America/New_York /etc/localtime
+
+CMD ["gunicorn", "demo:APP", "--bind=0.0.0.0:8080", "--access-logfile=-"]
diff --git a/LICENCE.txt b/LICENCE.txt
new file mode 100644
index 0000000..4457e5d
--- /dev/null
+++ b/LICENCE.txt
@@ -0,0 +1,19 @@
+Copyright (c) 2020 Galen Guyer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7919b4f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,27 @@
+# Flask wsgi bootstrap/demo
+
+This demo shows the use of gunicorn with flask. Original credit goes to [Max Meinhold](https://github.com/mxmeinhold/flask-gunicorn-demo).
+It includes a basic Dockerfile, a linting demonstration using Pylint, and a Travis CI configuration for running linting.
+
+This is not an in depth guide in how these tools work, but a basic starting point and reference.
+
+Make sure to change my name and email if you use this template, especially in the license.
+
+
+## Setup
+Locally running this application should be pretty simple.
+
+1. (optional) Use a virtualenv
+ * Why use a venv? It isolates your dependencies and helps prevent version conflicts with other projects or system dependencies.
+ 1. `python3 -m venv venv` will create a venv in a directory named venv
+ 2. `source ./venv/bin/activate` will activate the venv
+2. Install dependencies
+ * `pip install -r requirements.txt`
+3. Run the app
+ * `gunicorn demo:APP --bind=localhost:5000`
+4. Visit localhost:5000 in your web browser.
+
+## Linting
+This demo uses pylint.
+Travis CI will automatically run pylint on commits and PRs, but you can also run pylint manually, using `pylint demo`.
+The pylint_quotes plugin is loaded by [the pylintrc](./.pylintrc) and will ensure standardised quotation mark formats.
diff --git a/config.env.py b/config.env.py
new file mode 100644
index 0000000..e996ffa
--- /dev/null
+++ b/config.env.py
@@ -0,0 +1,17 @@
+import secrets
+import os
+
+# Values in this file are loaded into the flask app instance, `demo.APP` in this
+# demo. This file sources values from the environment if they exist, otherwise a
+# set of defaults are used. This is useful for keeping secrets secret, as well
+# as facilitating configuration in a container. Defaults may be overriden either
+# by defining the environment variables, or by creating a `config.py` file that
+# contains locally set secrets or config values.
+
+
+# Defaults for flask configuration
+IP = os.environ.get('IP', '127.0.0.1')
+PORT = os.environ.get('PORT', 5000)
+SERVER_NAME = os.environ.get('SERVER_NAME', 'localhost:5000')
+SECRET_KEY = os.environ.get('SESSION_KEY', default=''.join(secrets.token_hex(16)))
+
diff --git a/demo/__init__.py b/demo/__init__.py
new file mode 100644
index 0000000..86af046
--- /dev/null
+++ b/demo/__init__.py
@@ -0,0 +1,20 @@
+""" A small flask Hello World """
+
+import os
+import subprocess
+
+from flask import Flask, jsonify
+
+APP = Flask(__name__)
+
+# Load file based configuration overrides if present
+if os.path.exists(os.path.join(os.getcwd(), 'config.py')):
+ APP.config.from_pyfile(os.path.join(os.getcwd(), 'config.py'))
+else:
+ APP.config.from_pyfile(os.path.join(os.getcwd(), 'config.env.py'))
+
+APP.secret_key = APP.config['SECRET_KEY']
+
+@APP.route('/')
+def _index():
+ return jsonify(status=200, response="OK")
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..7b7f48f
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+Flask==1.1.2
+gunicorn==20.0.4
+pylint==2.6.0
+pylint-quotes==0.2.1
diff --git a/wsgi.py b/wsgi.py
new file mode 100644
index 0000000..a498cb4
--- /dev/null
+++ b/wsgi.py
@@ -0,0 +1,8 @@
+"""
+Primary entry point for the app
+"""
+
+from demo import APP
+
+if __name__ == "__main__":
+ APP.run(host=APP.config["IP"], port=int(APP.config["PORT"]))