Python之多部分表单发布数据

这是我在这个论坛上的第一个问题。我想使用多部分表单数据发布(使用 PUT 方法)数据。我在 doughellmann.com 中找到了多部分发布表单数据代码。它适用于发布数据。我想在 PUT 方法中添加我的参数，我试过了。它不会返回......你能帮帮这些家伙吗......

代码

# This Script is used for upload API Calls 
# This script would be inherited under Device API 
#  
 
import itertools 
import mimetools 
import mimetypes 
from cStringIO import StringIO 
import urllib 
import urllib2 
 
class MultiPartForm(object): 
    """Accumulate the data to be used when posting a form.""" 
 
    def __init__(self): 
        self.form_fields = [] 
        self.files = [] 
        self.boundary = mimetools.choose_boundary() 
        return 
 
    def get_content_type(self): 
        return 'multipart/form-data; boundary=%s' % self.boundary 
 
    def add_field(self, name, value): 
        """Add a simple field to the form data.""" 
        self.form_fields.append((name, value)) 
        return 
 
    def add_file(self, fieldname, filename, fileHandle, mimetype=None): 
        """Add a file to be uploaded.""" 
        body = fileHandle.read() 
        if mimetype is None: 
            mimetype = mimetypes.guess_type(filename)[0] or 'application/octet-stream' 
        self.files.append((fieldname, filename, mimetype, body)) 
        return 
 
    def __str__(self): 
        """Return a string representing the form data, including attached files.""" 
        # Build a list of lists, each containing "lines" of the 
        # request.  Each part is separated by a boundary string. 
        # Once the list is built, return a string where each 
        # line is separated by '\r\n'.   
        parts = [] 
        part_boundary = '--' + self.boundary 
 
        # Add the form fields 
        parts.extend( 
            [ part_boundary, 
              'Content-Disposition: form-data; name="%s"' % name, 
              '', 
              value, 
            ] 
            for name, value in self.form_fields 
            ) 
 
        # Add the files to upload 
        parts.extend( 
            [ part_boundary, 
              'Content-Disposition: file; name="%s"; filename="%s"' % \ 
                 (field_name, filename), 
              'Content-Type: %s' % content_type, 
              '', 
              body, 
            ] 
            for field_name, filename, content_type, body in self.files 
            ) 
 
        # Flatten the list and add closing boundary marker, 
        # then return CR+LF separated data 
        flattened = list(itertools.chain(*parts)) 
        flattened.append('--' + self.boundary + '--') 
        flattened.append('') 
        return '\r\n'.join(flattened) 
 
if __name__ == '__main__': 
    # Create the form with simple fields 
    form = MultiPartForm() 
    form.add_field('firstname', 'Doug') 
    form.add_field('lastname', 'Hellmann') 
 
    # Add a fake file 
    form.add_file('biography', 'bio.txt',  
                  fileHandle=StringIO('Python developer and blogger.')) 
 
    # Build the request 
    request = urllib2.Request('http://192.1681.2/1.0/api/filecontents') 
    request.add_header('User-agent', 'PyMOTW (http://www.doughellmann.com/PyMOTW/)') 
    body = str(form) 
    request.add_header('Content-type', form.get_content_type()) 
    request.add_header('Content-length', len(body)) 
    request.add_data(body) 
    regparams={'restMethod' : 'PUT' ,'HTTP_RANGE' :'10-20' } 
    print 
    print 'OUTGOING DATA:' 
    print request.get_data() 
    params = urllib.urlencode(regparams) 
    print 
    print 'SERVER RESPONSE:' 
    print urllib2.urlopen(request,params).read() 

请您参考如下方法:

您应该考虑使用 requests模块:

with open("report.xls", "rb") as report: 
    requests.post("http://httpbin.org/post", files={'file': report})