Mercurial > cpython-lru_cache-weakref
annotate Lib/SimpleHTTPServer.py @ 80661:94de77bd0b4b 2.7
Issue #16194: document imp.load_dynamic problems
when read several extension modules from the same binary object file.
| author | Andrew Svetlov <andrew.svetlov@gmail.com> |
|---|---|
| date | Thu, 29 Nov 2012 19:51:28 +0200 |
| parents | 8cdb95cf096e |
| children | a58b620e4dc9 |
| rev | line source |
|---|---|
| 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__ = "0.6" |
| 2887 | 10 |
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11 __all__ = ["SimpleHTTPRequestHandler"] |
| 2887 | 12 |
| 13 import os | |
| 14 import posixpath | |
| 15 import BaseHTTPServer | |
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16 import urllib |
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17 import cgi |
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18 import sys |
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19 import shutil |
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20 import mimetypes |
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21 try: |
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22 from cStringIO import StringIO |
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23 except ImportError: |
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24 from StringIO import StringIO |
| 2887 | 25 |
| 26 | |
| 27 class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler): | |
| 28 | |
| 29 """Simple HTTP request handler with GET and HEAD commands. | |
| 30 | |
| 31 This serves files from the current directory and any of its | |
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32 subdirectories. The MIME type for files is determined by |
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33 calling the .guess_type() method. |
| 2887 | 34 |
| 35 The GET and HEAD requests are identical except that the HEAD | |
| 36 request omits the actual contents of the file. | |
| 37 | |
| 38 """ | |
| 39 | |
| 40 server_version = "SimpleHTTP/" + __version__ | |
| 41 | |
| 42 def do_GET(self): | |
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43 """Serve a GET request.""" |
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44 f = self.send_head() |
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45 if f: |
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46 self.copyfile(f, self.wfile) |
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47 f.close() |
| 2887 | 48 |
| 49 def do_HEAD(self): | |
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50 """Serve a HEAD request.""" |
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51 f = self.send_head() |
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52 if f: |
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53 f.close() |
| 2887 | 54 |
| 55 def send_head(self): | |
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56 """Common code for GET and HEAD commands. |
| 2887 | 57 |
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58 This sends the response code and MIME headers. |
| 2887 | 59 |
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60 Return value is either a file object (which has to be copied |
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61 to the outputfile by the caller unless the command was HEAD, |
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62 and must be closed by the caller under all circumstances), or |
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63 None, in which case the caller has nothing further to do. |
| 2887 | 64 |
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65 """ |
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66 path = self.translate_path(self.path) |
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67 f = None |
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68 if os.path.isdir(path): |
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[Patch #827559 from Chris Gonnerman] Make SimpleHTTPServer redirect when a directory URL is missing the trailing slash; this lets relative links work.
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69 if not self.path.endswith('/'): |
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[Patch #827559 from Chris Gonnerman] Make SimpleHTTPServer redirect when a directory URL is missing the trailing slash; this lets relative links work.
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70 # redirect browser - doing basically what apache does |
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71 self.send_response(301) |
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72 self.send_header("Location", self.path + "/") |
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73 self.end_headers() |
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74 return None |
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75 for index in "index.html", "index.htm": |
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76 index = os.path.join(path, index) |
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77 if os.path.exists(index): |
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78 path = index |
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79 break |
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80 else: |
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81 return self.list_directory(path) |
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82 ctype = self.guess_type(path) |
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83 try: |
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Issue839496: SimpleHTTPServer should open all files in binary mode.
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84 # Always read in binary mode. Opening files in text mode may cause |
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85 # newline translations, making the actual size of the content |
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86 # transmitted *less* than the content-length! |
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87 f = open(path, 'rb') |
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88 except IOError: |
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89 self.send_error(404, "File not found") |
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90 return None |
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91 self.send_response(200) |
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92 self.send_header("Content-type", ctype) |
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93 fs = os.fstat(f.fileno()) |
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94 self.send_header("Content-Length", str(fs[6])) |
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95 self.send_header("Last-Modified", self.date_time_string(fs.st_mtime)) |
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96 self.end_headers() |
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97 return f |
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98 |
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99 def list_directory(self, path): |
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100 """Helper to produce a directory listing (absent index.html). |
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101 |
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102 Return value is either a file object, or None (indicating an |
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103 error). In either case, the headers are sent, making the |
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104 interface the same as for send_head(). |
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105 |
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106 """ |
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107 try: |
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108 list = os.listdir(path) |
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109 except os.error: |
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110 self.send_error(404, "No permission to list directory") |
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111 return None |
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112 list.sort(key=lambda a: a.lower()) |
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113 f = StringIO() |
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114 displaypath = cgi.escape(urllib.unquote(self.path)) |
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115 f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') |
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116 f.write("<html>\n<title>Directory listing for %s</title>\n" % displaypath) |
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117 f.write("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath) |
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118 f.write("<hr>\n<ul>\n") |
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119 for name in list: |
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120 fullname = os.path.join(path, name) |
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121 displayname = linkname = name |
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122 # Append / for directories or @ for symbolic links |
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123 if os.path.isdir(fullname): |
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124 displayname = name + "/" |
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125 linkname = name + "/" |
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126 if os.path.islink(fullname): |
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127 displayname = name + "@" |
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128 # Note: a link to a directory displays with @ and links with / |
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129 f.write('<li><a href="%s">%s</a>\n' |
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130 % (urllib.quote(linkname), cgi.escape(displayname))) |
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131 f.write("</ul>\n<hr>\n</body>\n</html>\n") |
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132 length = f.tell() |
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133 f.seek(0) |
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134 self.send_response(200) |
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135 encoding = sys.getfilesystemencoding() |
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136 self.send_header("Content-type", "text/html; charset=%s" % encoding) |
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137 self.send_header("Content-Length", str(length)) |
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138 self.end_headers() |
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139 return f |
| 2887 | 140 |
| 141 def translate_path(self, path): | |
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142 """Translate a /-separated PATH to the local filename syntax. |
| 2887 | 143 |
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144 Components that mean special things to the local file system |
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145 (e.g. drive or directory names) are ignored. (XXX They should |
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146 probably be diagnosed.) |
| 2887 | 147 |
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148 """ |
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149 # abandon query parameters |
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150 path = path.split('?',1)[0] |
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151 path = path.split('#',1)[0] |
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152 path = posixpath.normpath(urllib.unquote(path)) |
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153 words = path.split('/') |
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154 words = filter(None, words) |
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155 path = os.getcwd() |
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156 for word in words: |
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157 drive, word = os.path.splitdrive(word) |
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158 head, word = os.path.split(word) |
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159 if word in (os.curdir, os.pardir): continue |
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160 path = os.path.join(path, word) |
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161 return path |
| 2887 | 162 |
| 163 def copyfile(self, source, outputfile): | |
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164 """Copy all data between two file objects. |
| 2887 | 165 |
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166 The SOURCE argument is a file object open for reading |
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167 (or anything with a read() method) and the DESTINATION |
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168 argument is a file object open for writing (or |
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169 anything with a write() method). |
| 2887 | 170 |
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171 The only reason for overriding this would be to change |
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172 the block size or perhaps to replace newlines by CRLF |
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173 -- note however that this the default server uses this |
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174 to copy binary data as well. |
| 2887 | 175 |
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176 """ |
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177 shutil.copyfileobj(source, outputfile) |
| 2887 | 178 |
| 179 def guess_type(self, path): | |
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180 """Guess the type of a file. |
| 2887 | 181 |
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182 Argument is a PATH (a filename). |
| 2887 | 183 |
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184 Return value is a string of the form type/subtype, |
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185 usable for a MIME Content-type header. |
| 2887 | 186 |
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187 The default implementation looks the file's extension |
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188 up in the table self.extensions_map, using application/octet-stream |
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189 as a default; however it would be permissible (if |
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190 slow) to look inside the data to make a better guess. |
| 2887 | 191 |
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192 """ |
| 2887 | 193 |
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194 base, ext = posixpath.splitext(path) |
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195 if ext in self.extensions_map: |
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196 return self.extensions_map[ext] |
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197 ext = ext.lower() |
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198 if ext in self.extensions_map: |
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199 return self.extensions_map[ext] |
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200 else: |
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201 return self.extensions_map[''] |
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202 |
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203 if not mimetypes.inited: |
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204 mimetypes.init() # try to read system mime.types |
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205 extensions_map = mimetypes.types_map.copy() |
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206 extensions_map.update({ |
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207 '': 'application/octet-stream', # Default |
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208 '.py': 'text/plain', |
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209 '.c': 'text/plain', |
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210 '.h': 'text/plain', |
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211 }) |
| 2887 | 212 |
| 213 | |
| 214 def test(HandlerClass = SimpleHTTPRequestHandler, | |
| 9600 | 215 ServerClass = BaseHTTPServer.HTTPServer): |
| 2887 | 216 BaseHTTPServer.test(HandlerClass, ServerClass) |
| 217 | |
| 218 | |
| 219 if __name__ == '__main__': | |
| 220 test() |