A Static File Server with options.
A Static File Server with options.
Table of Contents
- Preparing your Files
- Use as a Command Line Tool
- Use as a Python Library
- Infrequently Asked Questions
- Change Log
- A dedicated static file server.
- Emulates common behaviors of various popular servers (index files, extensionless files, index directories, etc.) See options for specifics.
- Serves custom error pages.
- Does not require the server root to be the current working directory.
Rheostatic currently supports the following options:
The local file system directory which the server should use as its “root” directory. Usually represented by / in the URL (for example http://example.com/). When root is set to a relative path, the local filesystem path is resolved as an absolute path relative to the current working directory. Absolute paths are used as-is.
The name of the file returned when a directory is requested (a URL ending with a /). A file by that name must be present in the requested directory. Defaults to index.html.
For example, a request to / would return the file at /index.html without redirecting the client.
The ContentType returned for a file when the type is unknown. Defaults to application/octet-stream.
The encoding used to read and serve the files. Be sure all your files are saved using the same encoding. Defaults to utf-8.
An HTML template used to display a directory listing when no index file is available for the requested directory. Defaults to the string defined at utils.directory_template.
The extension to use for extensionless URLs. The requested URL must not end in an extension or a slash (/). This feature is disabled by default. To enable the feature, set the option to a string which contains both a dot and the desired extension. For example, with the option set to .html, a request to /foo would return the file /foo.html without redirecting the client.
To install Rheostatic run the following command:
pip install https://github.com/waylan/rheostatic/archive/master.zip
Note that this is currently alpha software and not yet hosted on PyPI. As such, the above command downloads the source code from GitHub. Upon a stable release, the package will become available from PyPI.
Before running the server, you need some files to serve. All files must be in the root directory and its sub-directories. In fact, an error will occur if a file is requested outside of the root directory. The root directory can exist anywhere on your filesystem as long as Rheostatic has permission to read the files.
Ensure that all files are saved using the same encoding and that that encoding is being used by Rheostatic. See encoding for details.
A file’s ContentType is determined by its file extension. For best results, use common file extensions for your files. A list of known file extensions and the ContentType used for each can be found in rheostatic/utils.py.
If you would like a file to be served when the client requests a directory (for example /, or /path/to/some/dir/), then that directory needs to contain an index file. Be sure to use the file name for the index file set by the index_file option. The default for most servers (including Rheostatic) is index.html.
If a directory does not contain an index file, then Rheostatic will return a directory listing of all the files in that directory (excluding files with names that start with a dot).
For custom error pages, include files in the “root” directory named <code>.html where <code> is the HTTP error code which the error page corresponds to. For example, a file named 404.html would be returned for 404 (Not Found) errors. Supported error codes include 404 (Not Found), and 405 (Method Not Allowed). If a custom error page is not found, then Rheostatic serves a simple plain-text error page.
From the root directory of your site, run the command rheostatic:
$ cd /var/www $ rheostatic Starting server at http://localhost:8000/... Serving files from /var/www Press ctrl+c to stop.
Alternatively, pass the root directory to the rheostatic command:
$ rheostatic path/to/root Starting server at http://localhost:8000/... Serving files from /absolute/path/to/root Press ctrl+c to stop.
For detailed usage instructions and options, run rheostatic --help.
If the rheostatic command cannot be found, try running python -m rheostatic instead.
For basic usage, import the rheostatic.serve function, which accepts any and all options as keywords:
from rheostatic import serve serve(address=('0.0.0.0', 80), root='/some/path', default_type='text/plain')
Note that address expects a tuple of the host and port. The host must be a string and the port an integer. All other keywords correspond to the available options.
Under the hood, the serve function creates an instance of the class rheostatic.base.Rheostatic and passes it to a simple wsgi server as a wsgi application. For lower level usage, an instance of the class may be created and passed to any wsgi server. When initializing the class, you may pass in any options as keywords:
from rheostatic.base import Rheostatic app = Rheostatic(root='/some/path', index_file='README.html')
Rheostatic accepts keywords which correspond to any of the available options. All options are also stored as attributes on the class instance:
On the other hand, other simple servers often don’t offer enough features to emulate a real server. Thus, Rheostatic was created to offer the flexibility and features to meet all of the needs of static site generators.
I wanted something that accurately conveyed the purpose and function of the library/tool. Note that the similar word, “rheostat” comes from the Greek “rheos” (stream) and is defined as “[a]n electrical instrument used to control a current by varying the resistance.” Rheostatic doesn’t control current, but it does control a stream of static files served to a client, which can be varied by adjusting the settings. I also liked the name and it doesn’t appear to have been used by anyone else.
Maybe. If the feature does not add support for dynamic content and it can be easily replicated by popular web servers, I may consider it. Naturally, if you do the work it’s more likely to get added, than if you wait for me to work on something I don’t care about and/or need.
Version 0.0.1 (2016/11/03)
The initial release.
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