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    <p>I think this code sample will solve you problem. You probably need to use only encode_multipart_formdata function from this code. And do not forget to set properly content type.</p> <pre><code>class BlobstoreUpload(blobstore_handlers.BlobstoreUploadHandler): def post(self): upload_files = self.get_uploads('file') blob_info = upload_files[0] return self.response.write(blob_info.key()) @classmethod def encode_multipart_formdata(cls, fields, files, mimetype='image/png'): """ Args: fields: A sequence of (name, value) elements for regular form fields. files: A sequence of (name, filename, value) elements for data to be uploaded as files. Returns: A sequence of (content_type, body) ready for urlfetch. """ boundary = 'paLp12Buasdasd40tcxAp97curasdaSt40bqweastfarcUNIQUE_STRING' crlf = '\r\n' line = [] for (key, value) in fields: line.append('--' + boundary) line.append('Content-Disposition: form-data; name="%s"' % key) line.append('') line.append(value) for (key, filename, value) in files: line.append('--' + boundary) line.append('Content-Disposition: form-data; name="%s"; filename="%s"' % (key, filename)) line.append('Content-Type: %s' % mimetype) line.append('') line.append(value) line.append('--%s--' % boundary) line.append('') body = crlf.join(line) content_type = 'multipart/form-data; boundary=%s' % boundary return content_type, body class UserProfile(webapp2.RequestHandler): def post(self): picture = self.request.POST.get('picture') # Write new picture to blob content_type, body = BlobstoreUpload.encode_multipart_formdata( [], [('file', name, image)]) response = urlfetch.fetch( url=blobstore.create_upload_url(self.uri_for('blobstore-upload')), payload=body, method=urlfetch.POST, headers={'Content-Type': content_type}, deadline=30 ) blob_key = response.content </code></pre>
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    1. POGoogle App Engine - Error uploading file to blobstore from Python code
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    1. USDmytro Sadovnychyi
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    1. COThanks a lot. **encode_multipart_formdata** works fine.
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      1. USJithu Bhai
    2. CO@Dmitry It worked for me too. Thank you Jithu for asking the question and Dmitry for the reply.
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      1. USsufinsha
    3. CO@Dmitry can u plz tell if we want to upload file from our local directory , then what should be in the argument 'files' ?
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      1. USOmair Shamshir
 

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