Web server library and command-line utility for serving static files with live reload functionality
httpwatcher is both a library and command-line utility for firing up a simple HTTP server to serve static files from a specific root path. Live reloading is triggered via web sockets.
Note that httpwatcher is intended for developers during testing of their static web sites, and is not at all intended as a production web server.
In order to install httpwatcher, you will need:
- Python 2.7+ or Python 3.5+
- pip or easy_install
With your virtual environment active, run the following:
> pip install httpwatcher
To upgrade to the latest version of httpwatcher, simply:
> pip install -U httpwatcher
httpwatcher can either be used from the command line, or as a drop-in library within your own Python application.
The quickest way to get up and running is to watch the current folder and serve your content from http://localhost:5555 as follows:
> httpwatcher # To get more help > httpwatcher --help
With all possible options:
> httpwatcher --root /path/to/html \ # static root from which to serve files --watch "/path1,/path2" \ # comma-separated list of paths to watch (defaults to the static root) --host 127.0.0.1 \ # bind to 127.0.0.1 --port 5556 \ # bind to port 5556 --base-path /blog/ \ # serve static content from http://127.0.0.1:5556/blog/ --verbose # enable verbose debug logging
Make sure httpwatcher is installed as a dependency for your Python project, and then:
from httpwatcher import HttpWatcherServer from tornado.ioloop import IOLoop server = HttpWatcherServer( "/path/to/html", # serve files from the folder /path/to/html watch_paths=["/path1", "/path2"], # watch these paths for changes host="127.0.0.1", # bind to host 127.0.0.1 port=5556, # bind to port 5556 server_base_path="/blog/", # serve static content from http://127.0.0.1:5556/blog/ watcher_interval=1.0, # maximum reload frequency (seconds) recursive=True # watch for changes in /path/to/html recursively ) server.listen() try: # will keep serving until someone hits Ctrl+C IOLoop.current().start() except KeyboardInterrupt: server.shutdown()
httpwatcher makes extensive use of the Tornado asynchronous web framework to facilitate a combined asynchronous HTTP and WebSocket server. All HTML content served that contains a closing </body> tag will automatically have two <script> tags injected to facilitate the WebSockets connection back to the server.
The library came out of a need for a simple web server, capable of serving static files with live reload capabilities, but also with the ability to serve content from non-standard base paths (for example, from http://somesite.com/blog/ as opposed to always just http://somesite.com). More specifically, this was to be used in Statik - the static web site generator.
The livereload library was great for a while, until the real need came up for modifying it, where the wheels came off the bus. More functional unit tests were needed to validate the basic functionality, and more flexibility was needed in some respects, so httpwatcher was built.
Feel free to contribute! Fork the repository, make your changes in a feature branch, and then submit a pull request.
The MIT License (MIT)
Copyright (c) 2017 Thane Thomson
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.
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