python cgi 上传大文件

Python  /  houtizong 发布于 3年前   187
#!E:\Python27\python.exeimport cgi, osimport cgitb; cgitb.enable()try: # Windows needs stdio set for binary mode.    import msvcrt    import uuid    msvcrt.setmode (0, os.O_BINARY) # stdin  = 0    msvcrt.setmode (1, os.O_BINARY) # stdout = 1except ImportError:    passform = cgi.FieldStorage()# Generator to buffer file chunksdef fbuffer(f, chunk_size=10000):   while True:      chunk = f.read(chunk_size)      if not chunk: break      yield chunk# A nested FieldStorage instance holds the filefileitem = form['file']# Test if the file was uploadedif fileitem.filename:   # strip leading path from file name to avoid directory traversal attacks   fn = os.path.basename(fileitem.filename)     # Internet Explorer will attempt to provide full path for filename fix   fn = fn.split('\\')[-1]    # This path must be writable by the web server in order to upload the file.   path = 'D:/upload/'   filepath = path + fn   # Open the file for writing    f = open(filepath , 'wb', 10000)   # Read the file in chunks   for chunk in fbuffer(fileitem.file):      f.write(chunk)   f.close()   message = 'The file "' + fn + '" was uploaded successfully.'else:   message = 'No file was uploaded'print """\Content-Type: text/html\n<html><body><p>%s</p></body></html>""" % (message,)

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