Mercurial > cpython-lru_cache-weakref
annotate Lib/SimpleHTTPServer.py @ 8831:00a6bb65ff29 legacy-trunk
Getting rid of this ancient stuff.
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Wed, 05 Aug 1998 21:10:09 +0000 |
| parents | fb4b4d069cc7 |
| children | 54aafe42c0c3 |
| rev | line source |
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| 2887 | 1 """Simple HTTP Server. |
| 2 | |
| 3 This module builds on BaseHTTPServer by implementing the standard GET | |
| 4 and HEAD requests in a fairly straightforward manner. | |
| 5 | |
| 6 """ | |
| 7 | |
| 8 | |
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9 __version__ = "0.3" |
| 2887 | 10 |
| 11 | |
| 12 import os | |
| 13 import sys | |
| 14 import time | |
| 15 import socket | |
| 16 import string | |
| 17 import posixpath | |
| 18 import SocketServer | |
| 19 import BaseHTTPServer | |
| 20 | |
| 21 | |
| 22 class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler): | |
| 23 | |
| 24 """Simple HTTP request handler with GET and HEAD commands. | |
| 25 | |
| 26 This serves files from the current directory and any of its | |
| 27 subdirectories. It assumes that all files are plain text files | |
| 28 unless they have the extension ".html" in which case it assumes | |
| 29 they are HTML files. | |
| 30 | |
| 31 The GET and HEAD requests are identical except that the HEAD | |
| 32 request omits the actual contents of the file. | |
| 33 | |
| 34 """ | |
| 35 | |
| 36 server_version = "SimpleHTTP/" + __version__ | |
| 37 | |
| 38 def do_GET(self): | |
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39 """Serve a GET request.""" |
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40 f = self.send_head() |
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41 if f: |
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42 self.copyfile(f, self.wfile) |
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43 f.close() |
| 2887 | 44 |
| 45 def do_HEAD(self): | |
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46 """Serve a HEAD request.""" |
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47 f = self.send_head() |
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48 if f: |
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49 f.close() |
| 2887 | 50 |
| 51 def send_head(self): | |
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52 """Common code for GET and HEAD commands. |
| 2887 | 53 |
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54 This sends the response code and MIME headers. |
| 2887 | 55 |
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56 Return value is either a file object (which has to be copied |
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57 to the outputfile by the caller unless the command was HEAD, |
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58 and must be closed by the caller under all circumstances), or |
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59 None, in which case the caller has nothing further to do. |
| 2887 | 60 |
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61 """ |
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62 path = self.translate_path(self.path) |
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63 if os.path.isdir(path): |
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64 self.send_error(403, "Directory listing not supported") |
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65 return None |
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66 try: |
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67 f = open(path) |
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68 except IOError: |
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69 self.send_error(404, "File not found") |
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70 return None |
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71 self.send_response(200) |
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72 self.send_header("Content-type", self.guess_type(path)) |
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73 self.end_headers() |
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74 return f |
| 2887 | 75 |
| 76 def translate_path(self, path): | |
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77 """Translate a /-separated PATH to the local filename syntax. |
| 2887 | 78 |
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79 Components that mean special things to the local file system |
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80 (e.g. drive or directory names) are ignored. (XXX They should |
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81 probably be diagnosed.) |
| 2887 | 82 |
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83 """ |
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84 path = posixpath.normpath(path) |
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85 words = string.splitfields(path, '/') |
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86 words = filter(None, words) |
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87 path = os.getcwd() |
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88 for word in words: |
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89 drive, word = os.path.splitdrive(word) |
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90 head, word = os.path.split(word) |
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91 if word in (os.curdir, os.pardir): continue |
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92 path = os.path.join(path, word) |
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93 return path |
| 2887 | 94 |
| 95 def copyfile(self, source, outputfile): | |
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96 """Copy all data between two file objects. |
| 2887 | 97 |
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98 The SOURCE argument is a file object open for reading |
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99 (or anything with a read() method) and the DESTINATION |
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100 argument is a file object open for writing (or |
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101 anything with a write() method). |
| 2887 | 102 |
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103 The only reason for overriding this would be to change |
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104 the block size or perhaps to replace newlines by CRLF |
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105 -- note however that this the default server uses this |
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106 to copy binary data as well. |
| 2887 | 107 |
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108 """ |
| 2887 | 109 |
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110 BLOCKSIZE = 8192 |
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111 while 1: |
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112 data = source.read(BLOCKSIZE) |
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113 if not data: break |
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114 outputfile.write(data) |
| 2887 | 115 |
| 116 def guess_type(self, path): | |
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117 """Guess the type of a file. |
| 2887 | 118 |
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119 Argument is a PATH (a filename). |
| 2887 | 120 |
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121 Return value is a string of the form type/subtype, |
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122 usable for a MIME Content-type header. |
| 2887 | 123 |
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124 The default implementation looks the file's extension |
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125 up in the table self.extensions_map, using text/plain |
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126 as a default; however it would be permissible (if |
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127 slow) to look inside the data to make a better guess. |
| 2887 | 128 |
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129 """ |
| 2887 | 130 |
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131 base, ext = posixpath.splitext(path) |
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132 if self.extensions_map.has_key(ext): |
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133 return self.extensions_map[ext] |
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134 ext = string.lower(ext) |
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135 if self.extensions_map.has_key(ext): |
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136 return self.extensions_map[ext] |
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137 else: |
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138 return self.extensions_map[''] |
| 2887 | 139 |
| 140 extensions_map = { | |
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141 '': 'text/plain', # Default, *must* be present |
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142 '.html': 'text/html', |
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143 '.htm': 'text/html', |
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144 '.gif': 'image/gif', |
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145 '.jpg': 'image/jpeg', |
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146 '.jpeg': 'image/jpeg', |
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147 } |
| 2887 | 148 |
| 149 | |
| 150 def test(HandlerClass = SimpleHTTPRequestHandler, | |
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151 ServerClass = SocketServer.TCPServer): |
| 2887 | 152 BaseHTTPServer.test(HandlerClass, ServerClass) |
| 153 | |
| 154 | |
| 155 if __name__ == '__main__': | |
| 156 test() |