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*****************
Downloading files
*****************
CherryPy allows you to serve a file from your page handler. Here is a simple recipe to handle downloads::
#!python
import glob
import os.path
import cherrypy
from cherrypy.lib.static import serve_file
class Root:
def index(self, directory="."):
html = """<html><body><h2>Here are the files in the selected directory:</h2>
<a href="index?directory=%s">Up</a><br />
""" % os.path.dirname(os.path.abspath(directory))
for filename in glob.glob(directory + '/*'):
absPath = os.path.abspath(filename)
if os.path.isdir(absPath):
html += '<a href="/index?directory=' + absPath + '">' + os.path.basename(filename) + "</a> <br />"
else:
html += '<a href="/download/?filepath=' + absPath + '">' + os.path.basename(filename) + "</a> <br />"
html += """</body></html>"""
return html
index.exposed = True
class Download:
def index(self, filepath):
return serve_file(filepath, "application/x-download", "attachment")
index.exposed = True
if __name__ == '__main__':
root = Root()
root.download = Download()
cherrypy.quickstart(root)
Note that `CherryPy <http://www.cherrypy.org/wiki/CherryPy>`_ is not the fastest for doing such things. If you think you'll have many and big downloads, put CP `BehindApache <http://www.cherrypy.org/wiki/BehindApache>`_ and let Apache serve those files.
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