Source code for tool_shed.util.encoding_util
import binascii
import json
import logging
from galaxy import eggs
from galaxy.util.hash_util import hmac_new
from galaxy.util.json import json_fix
log = logging.getLogger( __name__ )
encoding_sep = '__esep__'
encoding_sep2 = '__esepii__'
[docs]def tool_shed_decode( value ):
# Extract and verify hash
a, b = value.split( ":" )
value = binascii.unhexlify( b )
test = hmac_new( 'ToolShedAndGalaxyMustHaveThisSameKey', value )
assert a == test
# Restore from string
values = None
try:
values = json.loads( value )
except Exception, e:
pass
if values is not None:
try:
return json_fix( values )
except Exception, e:
log.debug( "Fixing decoded json values '%s' from tool shed threw exception: %s" % ( str( values ), str( e ) ) )
fixed_values = values
if values is None:
values = value
return values
[docs]def tool_shed_encode( val ):
if isinstance( val, dict ) or isinstance( val, list ):
value = json.dumps( val )
else:
value = val
a = hmac_new( 'ToolShedAndGalaxyMustHaveThisSameKey', value )
b = binascii.hexlify( value )
return "%s:%s" % ( a, b )