Mercurial > hg > FileServer
annotate fileserver/web.py @ 8:782e15b86b86
serve file contents
| author | Jeff Hammel <jhammel@mozilla.com> |
|---|---|
| date | Wed, 29 Feb 2012 14:51:00 -0800 |
| parents | 8fb047af207a |
| children | 8127dde8da22 |
| rev | line source |
|---|---|
| 0 | 1 #!/usr/bin/env python |
| 2 | |
| 3 """ | |
| 4 WSGI app for FileServer | |
| 5 | |
| 6 Reference: | |
| 7 - http://docs.webob.org/en/latest/file-example.html | |
| 8 """ | |
| 9 | |
| 10 import mimetypes | |
| 1 | 11 import optparse |
| 0 | 12 import os |
| 1 | 13 import sys |
| 0 | 14 from webob import Request, Response, exc |
| 1 | 15 from wsgiref.simple_server import make_server |
| 16 | |
| 17 __all__ = ['get_mimetype', 'file_response', 'FileApp', 'DirectoryServer'] | |
| 0 | 18 |
| 19 def get_mimetype(filename): | |
| 20 type, encoding = mimetypes.guess_type(filename) | |
| 21 # We'll ignore encoding, even though we shouldn't really | |
| 22 return type or 'application/octet-stream' | |
| 23 | |
| 24 def file_response(filename): | |
| 25 res = Response(content_type=get_mimetype(filename)) | |
| 26 res.body = open(filename, 'rb').read() | |
| 27 return res | |
| 28 | |
| 29 class FileApp(object): | |
| 30 """ | |
| 31 serve static files | |
| 32 """ | |
| 33 | |
| 34 def __init__(self, filename): | |
| 35 self.filename = filename | |
| 36 | |
| 37 def __call__(self, environ, start_response): | |
| 38 res = file_response(self.filename) | |
| 39 return res(environ, start_response) | |
| 40 | |
| 41 class DirectoryServer(object): | |
| 42 | |
| 43 def __init__(self, directory): | |
| 44 assert os.path.exists(directory), "'%s' does not exist" % directory | |
| 45 assert os.path.isdir(directory), "'%s' is not a directory" % directory | |
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46 self.directory = self.normpath(directory) |
| 0 | 47 |
| 48 @staticmethod | |
| 49 def normpath(path): | |
| 50 return os.path.normcase(os.path.abspath(path)) | |
| 51 | |
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52 def index(self, directory): |
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53 """ |
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54 generate a directory listing for a given directory |
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55 """ |
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56 parts = ['<html><head><title>Simple Index</title></head><body>'] |
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57 listings = os.listdir(directory) |
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58 listings = [(os.path.isdir(os.path.join(directory, entry)) and entry + '/' or entry, entry) |
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59 for entry in listings] |
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60 for link, entry in listings: |
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61 parts.append('<a href="%s">%s</a><br/>' % (link, entry)) |
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62 parts.append('</body></html>') |
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63 return '\n'.join(parts) |
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64 |
| 0 | 65 def __call__(self, environ, start_response): |
| 66 request = Request(environ) | |
| 67 # TODO method_not_allowed: Allow: GET, HEAD | |
| 68 path_info = request.path_info | |
| 69 if not path_info: | |
| 70 pass # self.add slash | |
| 71 full = self.normpath(os.path.join(self.directory, path_info.strip('/'))) | |
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72 |
| 0 | 73 if not full.startswith(self.directory): |
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74 print 'OUT OF BOUNDS!' |
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75 import pdb; pdb.set_trace() |
| 0 | 76 # Out of bounds |
| 77 return exc.HTTPNotFound()(environ, start_response) | |
| 78 if not os.path.exists(full): | |
| 79 return exc.HTTPNotFound()(environ, start_response) | |
| 80 | |
| 81 if os.path.isdir(full): | |
| 82 # serve directory index | |
| 83 if not path_info.endswith('/'): | |
| 84 return self.add_slash(environ, start_response) | |
| 85 index = self.index(full) | |
| 86 response_headers = [('Content-Type', 'text/html'), | |
| 87 ('Content-Length', str(len(index)))] | |
| 88 response = Response(index, content_type='text/html') | |
| 89 return response(environ, start_response) | |
| 90 | |
| 91 # serve file | |
| 92 if path_info.endswith('/'): | |
| 93 # we create the `full` filename above by stripping off | |
| 94 # '/' from both sides; so we correct here | |
| 95 return exc.HTTPNotFound()(environ, start_response) | |
| 96 response = file_response(full) | |
| 97 return response(environ, start_response) | |
| 98 | |
| 1 | 99 def main(args=sys.argv[1:]): |
| 100 | |
| 101 # parse command line arguments | |
| 102 usage = '%prog [options] directory' | |
| 103 class PlainDescriptionFormatter(optparse.IndentedHelpFormatter): | |
| 104 """description formatter""" | |
| 105 def format_description(self, description): | |
| 106 if description: | |
| 107 return description + '\n' | |
| 108 else: | |
| 109 return '' | |
| 110 parser = optparse.OptionParser(usage=usage, description=__doc__, formatter=PlainDescriptionFormatter()) | |
| 111 parser.add_option('-p', '--port', dest='port', | |
| 112 type='int', default=9999, | |
| 113 help='port [DEFAULT: %default]') | |
| 114 parser.add_option('-H', '--host', dest='host', default='0.0.0.0', | |
| 115 help='host [DEFAULT: %default]') | |
| 116 options, args = parser.parse_args(args) | |
| 117 | |
| 118 # get the directory | |
| 119 if not len(args) == 1: | |
| 120 parser.print_help() | |
| 121 sys.exit(1) | |
| 122 directory = args[0] | |
| 123 if not os.path.exists(directory): | |
| 124 parser.error("'%s' not found" % directory) | |
| 125 if not os.path.isdir(directory): | |
| 126 parser.error("'%s' not a directory" % directory) | |
| 127 | |
| 128 # serve | |
| 129 app = DirectoryServer(directory) | |
| 130 try: | |
| 131 print 'http://%s:%s/' % (options.host, options.port) | |
| 132 make_server(options.host, options.port, app).serve_forever() | |
| 133 except KeyboardInterrupt, ki: | |
| 134 print "Cio, baby!" | |
| 135 except BaseException, e: | |
| 136 sys.exit("Problem initializing server: %s" % e) | |
| 137 | |
| 0 | 138 if __name__ == '__main__': |
| 1 | 139 main() |