def rebuild_export(config, schema, output_dir, last_access_cutoff=None, filter=None):
if output_dir == "couch":
saved = get_saved_export_and_delete_copies(config.index)
if last_access_cutoff and saved and saved.last_accessed and \
saved.last_accessed < last_access_cutoff:
# ignore exports that haven't been accessed since last_access_cutoff
return
try:
files = schema.get_export_files(format=config.format, filter=filter)
except SchemaMismatchException:
# fire off a delayed force update to prevent this from happening again
rebuild_schemas.delay(config.index)
raise ExportRebuildError(u'Schema mismatch for {}. Rebuilding tables...'.format(config.filename))
with files:
payload = files.file.payload
if output_dir == "couch":
if not saved:
saved = SavedBasicExport(configuration=config)
else:
saved.configuration = config
if saved.last_accessed is None:
saved.last_accessed = datetime.utcnow()
saved.last_updated = datetime.utcnow()
saved.save()
saved.set_payload(payload)
else:
with open(os.path.join(output_dir, config.filename), "wb") as f:
f.write(payload)
def export_for_group(export_id_or_group, output_dir):
if isinstance(export_id_or_group, basestring):
try:
config = GroupExportConfiguration.get(export_id_or_group)
except ResourceNotFound:
raise Exception("Couldn't find an export with id %s" %
export_id_or_group)
else:
config = export_id_or_group
for config, schema in config.all_exports:
try:
files = schema.get_export_files(format=config.format)
except SchemaMismatchException, e:
# fire off a delayed force update to prevent this from happening again
rebuild_schemas.delay(config.index)
continue
payload = files.file.payload
if output_dir == "couch":
saved = SavedBasicExport.view("couchexport/saved_exports",
key=json.dumps(config.index),
include_docs=True,
reduce=False).one()
if not saved:
saved = SavedBasicExport(configuration=config)
else:
saved.configuration = config
saved.last_updated = datetime.utcnow()
saved.save()
saved.set_payload(payload)
else:
with open(os.path.join(output_dir, config.filename), "wb") as f:
f.write(payload)
def export_for_group(export_id_or_group, output_dir):
if isinstance(export_id_or_group, basestring):
try:
config = GroupExportConfiguration.get(export_id_or_group)
except ResourceNotFound:
raise Exception("Couldn't find an export with id %s" % export_id_or_group)
else:
config = export_id_or_group
for config, schema in config.all_exports:
try:
tmp, _ = schema.get_export_files(format=config.format)
except SchemaMismatchException, e:
# fire off a delayed force update to prevent this from happening again
rebuild_schemas.delay(config.index)
continue
payload = Temp(tmp).payload
if output_dir == "couch":
saved = SavedBasicExport.view("couchexport/saved_exports",
key=json.dumps(config.index),
include_docs=True,
reduce=False).one()
if not saved:
saved = SavedBasicExport(configuration=config)
else:
saved.configuration = config
saved.last_updated = datetime.utcnow()
saved.save()
saved.set_payload(payload)
else:
with open(os.path.join(output_dir, config.filename), "wb") as f:
f.write(payload)
def handle(self, *args, **options):
if len(args) < 2: raise CommandError('Please specify %s.' % self.label)
export_id = args[0]
output_dir = args[1]
try:
config = GroupExportConfiguration.get(export_id)
except ResourceNotFound:
raise CommandError("Couldn't find an export with id %s" % export_id)
for export_config in config.full_exports:
print "exporting %s to %s" % (export_config.name, output_dir)
# special case couch storage
if output_dir == "couch":
fd, path = tempfile.mkstemp()
with os.fdopen(fd, 'wb') as f:
export(export_config.index, f, format=export_config.format)
# got the file, now rewrite it to couch
saved = SavedBasicExport.view("couchexport/saved_exports",
key=json.dumps(export_config.index),
include_docs=True,
reduce=False).one()
if not saved:
saved = SavedBasicExport(configuration=export_config)
saved.save()
with open(path, "rb") as f:
saved.put_attachment(f.read(), export_config.filename)
saved.last_updated = datetime.utcnow()
saved.save()
os.remove(path)
else:
with open(os.path.join(output_dir, export_config.filename), "wb") as f:
export(export_config.index, f, format=export_config.format)
def _save_export_payload(files, saved_export, config, is_safe=False):
payload = files.file.payload
if not saved_export:
saved_export = SavedBasicExport(configuration=config)
else:
saved_export.configuration = config
saved_export.is_safe = is_safe
if saved_export.last_accessed is None:
saved_export.last_accessed = datetime.utcnow()
saved_export.last_updated = datetime.utcnow()
try:
saved_export.save()
except ResourceConflict:
# task was executed concurrently, so let first to finish win and abort the rest
pass
else:
saved_export.set_payload(payload)
def _save_export_payload(files, saved_export, config, is_safe=False):
payload = files.file.payload
if not saved_export:
saved_export = SavedBasicExport(configuration=config)
else:
saved_export.configuration = config
saved_export.is_safe = is_safe
if saved_export.last_accessed is None:
saved_export.last_accessed = datetime.utcnow()
saved_export.last_updated = datetime.utcnow()
try:
saved_export.save()
except ResourceConflict:
# task was executed concurrently, so let first to finish win and abort the rest
pass
else:
saved_export.set_payload(payload)
