def proxy_upload(self, path, filename, content_type=None, content_encoding=None,
cb=None, num_cb=None):
"""
This is the main function that uploads. We assume the bucket
and key (== path) exists. What we do here is simple. Calculate
the headers we will need, (e.g. md5, content-type, etc). Then
we ask the self.get_proxy_config method to fill in the authentication
information and tell us which remote host we should talk to
for the upload. From there, the rest is ripped from
boto.key.Key.send_file
"""
from boto.connection import AWSAuthConnection
import mimetypes
from hashlib import md5
import base64
BufferSize = 65536 ## set to something very small to make sure
## chunking is working properly
fp = open(filename)
headers = { 'Content-Type': content_type }
if content_type is None:
content_type = mimetypes.guess_type(filename)[0] or "text/plain"
headers['Content-Type'] = content_type
if content_encoding is not None:
headers['Content-Encoding'] = content_encoding
m = md5()
fp.seek(0)
s = fp.read(BufferSize)
while s:
m.update(s)
s = fp.read(BufferSize)
self.size = fp.tell()
fp.seek(0)
self.md5 = m.hexdigest()
headers['Content-MD5'] = base64.encodestring(m.digest()).rstrip('\n')
headers['Content-Length'] = str(self.size)
headers['Expect'] = '100-Continue'
host, headers = self.get_proxy_config(headers, path)
### how to do this same thing with curl instead...
print "curl -i --trace-ascii foo.log -T %s -H %s https://%s%s" % (
filename,
" -H ".join("'%s: %s'" % (k,v) for k,v in headers.items()),
host, path
)
def sender(http_conn, method, path, data, headers):
http_conn.putrequest(method, path)
for key in headers:
http_conn.putheader(key, headers[key])
http_conn.endheaders()
fp.seek(0)
http_conn.set_debuglevel(0) ### XXX set to e.g. 4 to see what going on
if cb:
if num_cb > 2:
cb_count = self.size / BufferSize / (num_cb-2)
elif num_cb < 0:
cb_count = -1
else:
cb_count = 0
i = total_bytes = 0
cb(total_bytes, self.size)
l = fp.read(BufferSize)
while len(l) > 0:
http_conn.send(l)
if cb:
total_bytes += len(l)
i += 1
if i == cb_count or cb_count == -1:
cb(total_bytes, self.size)
i = 0
l = fp.read(BufferSize)
if cb:
cb(total_bytes, self.size)
response = http_conn.getresponse()
body = response.read()
fp.seek(0)
if response.status == 500 or response.status == 503 or \
response.getheader('location'):
# we'll try again
return response
elif response.status >= 200 and response.status <= 299:
self.etag = response.getheader('etag')
if self.etag != '"%s"' % self.md5:
raise Exception('ETag from S3 did not match computed MD5')
return response
else:
#raise provider.storage_response_error(
# response.status, response.reason, body)
raise Exception(response.status, response.reason, body)
awsc = AWSAuthConnection(host,
aws_access_key_id="key_id",
aws_secret_access_key="secret")
awsc._mexe('PUT', path, None, headers, sender=sender)
def put_stream(self, bucket, label, fp, metadata={}, cb=None, num_cb=None):
if metadata is None:
metadata = {"_owner": getpass.getuser()}
path = "/" + bucket + "/" + label
content_type = metadata.get("_format", "application/octet-stream")
metadata = self.ckan.storage_metadata_set(path, metadata)
BufferSize = 65536 ## set to something very small to make sure
## chunking is working properly
headers = {'Content-Type': content_type}
#if content_type is None:
# content_type = mimetypes.guess_type(filename)[0] or "text/plain"
#headers['Content-Type'] = content_type
#if content_encoding is not None:
# headers['Content-Encoding'] = content_encoding
m = md5()
fp.seek(0)
s = fp.read(BufferSize)
while s:
m.update(s)
s = fp.read(BufferSize)
self.size = fp.tell()
fp.seek(0)
self.md5 = m.hexdigest()
headers['Content-MD5'] = base64.encodestring(m.digest()).rstrip('\n')
headers['Content-Length'] = str(self.size)
headers['Expect'] = '100-Continue'
host, headers = self.ckan.storage_auth_get(path, headers)
def sender(http_conn, method, path, data, headers):
http_conn.putrequest(method, path)
for key in headers:
http_conn.putheader(key, headers[key])
http_conn.endheaders()
fp.seek(0)
http_conn.set_debuglevel(
0) ### XXX set to e.g. 4 to see what going on
if cb:
if num_cb > 2:
cb_count = self.size / BufferSize / (num_cb - 2)
elif num_cb < 0:
cb_count = -1
else:
cb_count = 0
i = total_bytes = 0
cb(total_bytes, self.size)
l = fp.read(BufferSize)
while len(l) > 0:
http_conn.send(l)
if cb:
total_bytes += len(l)
i += 1
if i == cb_count or cb_count == -1:
cb(total_bytes, self.size)
i = 0
l = fp.read(BufferSize)
if cb:
cb(total_bytes, self.size)
response = http_conn.getresponse()
body = response.read()
fp.seek(0)
if response.status == 500 or response.status == 503 or \
response.getheader('location'):
# we'll try again
return response
elif response.status >= 200 and response.status <= 299:
self.etag = response.getheader('etag')
if self.etag != '"%s"' % self.md5:
raise Exception('ETag from S3 did not match computed MD5')
return response
else:
#raise provider.storage_response_error(
# response.status, response.reason, body)
raise Exception(response.status, response.reason, body)
awsc = AWSAuthConnection(host,
aws_access_key_id="key_id",
aws_secret_access_key="secret")
awsc._mexe('PUT', path, None, headers, sender=sender)
metadata = self.ckan.storage_metadata_update(path, {})
from pprint import pprint
pprint(metadata)
def put_stream(self, bucket, label, fp, metadata={}, cb=None, num_cb=None):
if metadata is None:
metadata = { "_owner": getpass.getuser()}
path = "/" + bucket + "/" + label
content_type = metadata.get("_format", "application/octet-stream")
metadata = self.ckan.storage_metadata_set(path, metadata)
BufferSize = 65536 ## set to something very small to make sure
## chunking is working properly
headers = { 'Content-Type': content_type }
#if content_type is None:
# content_type = mimetypes.guess_type(filename)[0] or "text/plain"
#headers['Content-Type'] = content_type
#if content_encoding is not None:
# headers['Content-Encoding'] = content_encoding
m = md5()
fp.seek(0)
s = fp.read(BufferSize)
while s:
m.update(s)
s = fp.read(BufferSize)
self.size = fp.tell()
fp.seek(0)
self.md5 = m.hexdigest()
headers['Content-MD5'] = base64.encodestring(m.digest()).rstrip('\n')
headers['Content-Length'] = str(self.size)
headers['Expect'] = '100-Continue'
host, headers = self.ckan.storage_auth_get(path, headers)
def sender(http_conn, method, path, data, headers):
http_conn.putrequest(method, path)
for key in headers:
http_conn.putheader(key, headers[key])
http_conn.endheaders()
fp.seek(0)
http_conn.set_debuglevel(0) ### XXX set to e.g. 4 to see what going on
if cb:
if num_cb > 2:
cb_count = self.size / BufferSize / (num_cb-2)
elif num_cb < 0:
cb_count = -1
else:
cb_count = 0
i = total_bytes = 0
cb(total_bytes, self.size)
l = fp.read(BufferSize)
while len(l) > 0:
http_conn.send(l)
if cb:
total_bytes += len(l)
i += 1
if i == cb_count or cb_count == -1:
cb(total_bytes, self.size)
i = 0
l = fp.read(BufferSize)
if cb:
cb(total_bytes, self.size)
response = http_conn.getresponse()
body = response.read()
fp.seek(0)
if response.status == 500 or response.status == 503 or \
response.getheader('location'):
# we'll try again
return response
elif response.status >= 200 and response.status <= 299:
self.etag = response.getheader('etag')
if self.etag != '"%s"' % self.md5:
raise Exception('ETag from S3 did not match computed MD5')
return response
else:
#raise provider.storage_response_error(
# response.status, response.reason, body)
raise Exception(response.status, response.reason, body)
awsc = AWSAuthConnection(host,
aws_access_key_id="key_id",
aws_secret_access_key="secret")
awsc._mexe('PUT', path, None, headers, sender=sender)
metadata = self.ckan.storage_metadata_update(path, {})
from pprint import pprint
pprint(metadata)
def proxy_upload(self,
path,
filename,
content_type=None,
content_encoding=None,
cb=None,
num_cb=None):
"""
This is the main function that uploads. We assume the bucket
and key (== path) exists. What we do here is simple. Calculate
the headers we will need, (e.g. md5, content-type, etc). Then
we ask the self.get_proxy_config method to fill in the authentication
information and tell us which remote host we should talk to
for the upload. From there, the rest is ripped from
boto.key.Key.send_file
"""
from boto.connection import AWSAuthConnection
import mimetypes
from hashlib import md5
import base64
BufferSize = 65536 ## set to something very small to make sure
## chunking is working properly
fp = open(filename)
headers = {'Content-Type': content_type}
if content_type is None:
content_type = mimetypes.guess_type(filename)[0] or "text/plain"
headers['Content-Type'] = content_type
if content_encoding is not None:
headers['Content-Encoding'] = content_encoding
m = md5()
fp.seek(0)
s = fp.read(BufferSize)
while s:
m.update(s)
s = fp.read(BufferSize)
self.size = fp.tell()
fp.seek(0)
self.md5 = m.hexdigest()
headers['Content-MD5'] = base64.encodestring(m.digest()).rstrip('\n')
headers['Content-Length'] = str(self.size)
headers['Expect'] = '100-Continue'
host, headers = self.get_proxy_config(headers, path)
### how to do this same thing with curl instead...
print("curl -i --trace-ascii foo.log -T %s -H %s https://%s%s" %
(filename, " -H ".join("'%s: %s'" % (k, v)
for k, v in headers.items()), host, path))
def sender(http_conn, method, path, data, headers):
http_conn.putrequest(method, path)
for key in headers:
http_conn.putheader(key, headers[key])
http_conn.endheaders()
fp.seek(0)
http_conn.set_debuglevel(
0) ### XXX set to e.g. 4 to see what going on
if cb:
if num_cb > 2:
cb_count = self.size / BufferSize / (num_cb - 2)
elif num_cb < 0:
cb_count = -1
else:
cb_count = 0
i = total_bytes = 0
cb(total_bytes, self.size)
l = fp.read(BufferSize)
while len(l) > 0:
http_conn.send(l)
if cb:
total_bytes += len(l)
i += 1
if i == cb_count or cb_count == -1:
cb(total_bytes, self.size)
i = 0
l = fp.read(BufferSize)
if cb:
cb(total_bytes, self.size)
response = http_conn.getresponse()
body = response.read()
fp.seek(0)
if response.status == 500 or response.status == 503 or \
response.getheader('location'):
# we'll try again
return response
elif response.status >= 200 and response.status <= 299:
self.etag = response.getheader('etag')
if self.etag != '"%s"' % self.md5:
raise Exception('ETag from S3 did not match computed MD5')
return response
else:
#raise provider.storage_response_error(
# response.status, response.reason, body)
raise Exception(response.status, response.reason, body)
awsc = AWSAuthConnection(host,
aws_access_key_id="key_id",
aws_secret_access_key="secret")
awsc._mexe('PUT', path, None, headers, sender=sender)
