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A very micro http framework.

Project description

http://img.shields.io/pypi/v/nanohttp.svg Requirements Status https://travis-ci.org/pylover/nanohttp.svg?branch=master https://coveralls.io/repos/github/pylover/nanohttp/badge.svg?branch=master

A very micro HTTP framework.

Features

  • Very simple, less-code & fast
  • Using object dispatcher instead of regex route dispatcher.
  • Url-Encoded & Multipart form parsing.
  • No request and or response objects is available, everything is combined in nanohttp.context.
  • You can use maryjane to observe the changes in your project directory and reload the development server if desired.
  • A very flexible configuration system: pymlconf

Roadmap

The road map is to keep it simple with 100% code coverage. no built-in template engine and or ORM will be included.

Install

PyPI

$ pip install --pre nanohttp

Source

$ cd path/to/nanohttp
$ pip install -e .

Quick Start

demo.py

from os.path import dirname, abspath
from nanohttp import Controller, html, context, Static, HttpFound, settings

class Root(Controller):
    static = Static(abspath(dirname(__file__)))

    @html
    def index(self):
        yield '<html><head><title>nanohttp demo</title></head><body>'
        yield '<h1>nanohttp demo page</h1>'
        yield '<h2>debug flag is: %s</h2>' % settings.debug
        yield '<img src="/static/cat.jpg" />'
        yield '<ul>'
        yield from ('<li><b>%s:</b> %s</li>' % i for i in context.environ.items())
        yield '</ul>'
        yield '</body></html>'

    @html(methods=['post', 'put'])
    def contact(self):
        yield '<h1>Thanks: %s</h1>' % context.form['name'] if context.form else 'Please send a name.'

    @html
    def google(self):
        raise HttpFound('http://google.com')

    @html
    def error(self):
        raise Exception()
$ nanohttp demo

Or

from nanohttp import quickstart

quickstart(Root())

WSGI

Are you need a WSGI application?

app = Root().load_app()
# Pass the ``app`` to every ``WSGI`` server you want.

Watch

Create a maryjane.yml file:

port: 8080
module: demo.py
controller: Root
config_file: demo.yml

# Storing the pid of current running server into the `pid` variable.
SHELL-INTO: pid netstat -lnpt 2>/dev/null | grep {port} | awk '{{split($7,a,"/"); printf a[1]}}'
ECHO: Old pid: {pid}

SHELL:
  - if [ -n "{pid}" ]; then  kill -9 {pid}; fi
  - while [ -n "{pid}" -a -e /proc/{pid} ]; do sleep .6; done
  - nanohttp -b {port} -c {config_file} {module}:{controller} & echo New pid: $!

WATCH-ALL:
  - !^{here}[a-z0-9\.-_/]+\.(css|py|yml|js|html)$
$ pip3.6 install "maryjane>=4.2.0"
$ maryjane -w

Config File

Create a demo.yaml file.

debug: false

Use the nanohttp.settings anywhere to access the config values.

from nanohttp import Controller, html, settings

class Root(Controller):

    @html
    def index(self):
        yield '<html><head><title>nanohttp demo</title></head><body>'
        yield '<h2>debug flag is: %s</h2>' % settings.debug
        yield '</body></html>'

Passing the config file(s) using command line:

$ nanohttp -c demo.yaml [-c another.yaml] demo

Passing the config file(s) Using python:

from nanohttp import quickstart

quickstart(Root(), config_files=['file1', 'file2'])

Command Line Interface

$ nanohttp -h

usage: nanohttp [-h] [-c CONFIG_FILE] [-b {HOST:}PORT] [-d DIRECTORY] [-w]
                [-V]
                [MODULE{.py}{:CLASS}]

positional arguments:
  MODULE{.py}{:CLASS}   The python module and controller class to launch.
                        default: `nanohttp:Demo`, And the default value for
                        `:CLASS` is `:Root` if omitted.

optional arguments:
  -h, --help            show this help message and exit
  -c CONFIG_FILE, --config-file CONFIG_FILE
                        Default: nanohttp.yaml
  -b {HOST:}PORT, --bind {HOST:}PORT
                        Bind Address. default: 8080
  -d DIRECTORY, --directory DIRECTORY
                        The path to search for the python module, which
                        contains the controller class. default is: `.`
  -w, --watch           If given, tries to watch the `--directory` and reload the app
                        on changes.
  -V, --version         Show the version.

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