def uploadChanges(self, taskfile, projectname, path):
task = self._retrieveTask(taskfile)
ids, descriptors, modifydescriptors, contentlocatoruri, metadataprovideruri, description = self._extractParameters(
task)
metadataprovider = ServiceStub.MetadataProvider(metadataprovideruri)
try:
songlisting = shelve.open(path + "/" + projectname + '.info.dict',
writeback=True)
except KeyError:
raise TaskerError(
"Workflow error\nCould not restore configuration, make sure you follow the usage process."
)
modifiedlist = self.listModified(taskfile, projectname,
path).split('\n')
try:
uploadfile = 'uploadfile.xml.gz'
self.printfunction(u"\n == Uploading ==\n")
self.printfunction(u" - Generating file to upload\n")
uf = gzip.GzipFile(uploadfile, 'w')
uf.write("<?xml version='1.0' encoding='UTF-8'?>\n")
uf.write("<UploadPools>\n")
count = 0
for song in songlisting.keys():
#if it has been modified
if song in modifiedlist:
count += 1
self.printfunction(u"\n - Packing descriptors of: %s\n" %
song)
uf.write("<Song id='%s'>" % songlisting[song])
poolfile = path + "/" + song + ".pool"
pool = Pool(poolfile)
temppool = Pool()
#Extract desired attributes
for (scope, name) in modifydescriptors:
temppool.InsertAttribute(pool, scope, name, scope,
name)
xml.dom.ext.PrettyPrint(temppool.doc.documentElement, uf)
uf.write("</Song>\n")
uf.write("</UploadPools>\n")
uf.close()
if count == 0:
self.printfunction(
u" - No valid song descriptor has been found. Not doing any upload\n"
)
os.remove('uploadfile.xml.gz')
return
self.printfunction(
u" - Uploading the modified descriptor file to the server\n")
result = metadataprovider.UploadPackedDescriptors(uploadfile)
if result != "OK":
self.printfunction(
u"\n - ERROR in the server when processing the file: %s\n"
% result)
else:
self.printfunction(
u" - File successfully uploaded: received %s\n" % result)
#Clean!
os.remove('uploadfile.xml.gz')
songlisting.close()
return 0
except:
songlisting.close()
return -1
raise TaskerError(
"Upload Error\nError preparing files to upload. Maybe the files no longer exist?"
)
