python/Lib/SimpleHTTPServer.py at master · java66liu/python · GitHub

History

218 lines (178 loc) · 7.17 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

"""Simple HTTP Server.

This module builds on BaseHTTPServer by implementing the standard GET

and HEAD requests in a fairly straightforward manner.

"""

__version__ = "0.6"

__all__ = ["SimpleHTTPRequestHandler"]

import os

import posixpath

import BaseHTTPServer

import urllib

import cgi

import shutil

import mimetypes

try:

from cStringIO import StringIO

except ImportError:

from StringIO import StringIO

class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):

"""Simple HTTP request handler with GET and HEAD commands.

This serves files from the current directory and any of its

subdirectories. The MIME type for files is determined by

calling the .guess_type() method.

The GET and HEAD requests are identical except that the HEAD

request omits the actual contents of the file.

"""

server_version = "SimpleHTTP/" + __version__

def do_GET(self):

"""Serve a GET request."""

f = self.send_head()

if f:

self.copyfile(f, self.wfile)

f.close()

def do_HEAD(self):

"""Serve a HEAD request."""

f = self.send_head()

if f:

f.close()

def send_head(self):

"""Common code for GET and HEAD commands.

This sends the response code and MIME headers.

Return value is either a file object (which has to be copied

to the outputfile by the caller unless the command was HEAD,

and must be closed by the caller under all circumstances), or

None, in which case the caller has nothing further to do.

"""

path = self.translate_path(self.path)

f = None

if os.path.isdir(path):

if not self.path.endswith('/'):

# redirect browser - doing basically what apache does

self.send_response(301)

self.send_header("Location", self.path + "/")

self.end_headers()

return None

for index in "index.html", "index.htm":

index = os.path.join(path, index)

if os.path.exists(index):

path = index

break

else:

return self.list_directory(path)

ctype = self.guess_type(path)

try:

# Always read in binary mode. Opening files in text mode may cause

# newline translations, making the actual size of the content

# transmitted *less* than the content-length!

f = open(path, 'rb')

except IOError:

self.send_error(404, "File not found")

return None

self.send_response(200)

self.send_header("Content-type", ctype)

fs = os.fstat(f.fileno())

self.send_header("Content-Length", str(fs[6]))

self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))

self.end_headers()

return f

def list_directory(self, path):

"""Helper to produce a directory listing (absent index.html).

Return value is either a file object, or None (indicating an

error). In either case, the headers are sent, making the

interface the same as for send_head().

"""

try:

list = os.listdir(path)

except os.error:

self.send_error(404, "No permission to list directory")

return None

list.sort(key=lambda a: a.lower())

f = StringIO()

displaypath = cgi.escape(urllib.unquote(self.path))

f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">')

f.write("<html>\n<title>Directory listing for %s</title>\n" % displaypath)

f.write("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath)

f.write("<hr>\n<ul>\n")

for name in list:

fullname = os.path.join(path, name)

displayname = linkname = name

# Append / for directories or @ for symbolic links

if os.path.isdir(fullname):

displayname = name + "/"

linkname = name + "/"

if os.path.islink(fullname):

displayname = name + "@"

# Note: a link to a directory displays with @ and links with /

f.write('<li><a href="%s">%s</a>\n'

% (urllib.quote(linkname), cgi.escape(displayname)))

f.write("</ul>\n<hr>\n</body>\n</html>\n")

length = f.tell()

f.seek(0)

self.send_response(200)

self.send_header("Content-type", "text/html")

self.send_header("Content-Length", str(length))

self.end_headers()

return f

def translate_path(self, path):

"""Translate a /-separated PATH to the local filename syntax.

Components that mean special things to the local file system

(e.g. drive or directory names) are ignored. (XXX They should

probably be diagnosed.)

"""

# abandon query parameters

path = path.split('?',1)[0]

path = path.split('#',1)[0]

path = posixpath.normpath(urllib.unquote(path))

words = path.split('/')

words = filter(None, words)

path = os.getcwd()

for word in words:

drive, word = os.path.splitdrive(word)

head, word = os.path.split(word)

if word in (os.curdir, os.pardir): continue

path = os.path.join(path, word)

return path

def copyfile(self, source, outputfile):

"""Copy all data between two file objects.

The SOURCE argument is a file object open for reading

(or anything with a read() method) and the DESTINATION

argument is a file object open for writing (or

anything with a write() method).

The only reason for overriding this would be to change

the block size or perhaps to replace newlines by CRLF

-- note however that this the default server uses this

to copy binary data as well.

"""

shutil.copyfileobj(source, outputfile)

def guess_type(self, path):

"""Guess the type of a file.

Argument is a PATH (a filename).

Return value is a string of the form type/subtype,

usable for a MIME Content-type header.

The default implementation looks the file's extension

up in the table self.extensions_map, using application/octet-stream

as a default; however it would be permissible (if

slow) to look inside the data to make a better guess.

"""

base, ext = posixpath.splitext(path)

if ext in self.extensions_map:

return self.extensions_map[ext]

ext = ext.lower()

if ext in self.extensions_map:

return self.extensions_map[ext]

else:

return self.extensions_map['']

if not mimetypes.inited:

mimetypes.init() # try to read system mime.types

extensions_map = mimetypes.types_map.copy()

extensions_map.update({

'': 'application/octet-stream', # Default

'.py': 'text/plain',

'.c': 'text/plain',

'.h': 'text/plain',

})

def test(HandlerClass = SimpleHTTPRequestHandler,

ServerClass = BaseHTTPServer.HTTPServer):

BaseHTTPServer.test(HandlerClass, ServerClass)

if __name__ == '__main__':

test()

python/Lib/SimpleHTTPServer.py at master · java66liu/python · GitHub

Expand file tree

Breadcrumbs

SimpleHTTPServer.py

Latest commit

History

Breadcrumbs

SimpleHTTPServer.py

File metadata and controls