def work_in_zope(context, name, root_path):
"""
Call this method from a Zope ExternalMethod. It assumes a local
folder that has CIRCA-exported Zip files (using the "save" method,
not "download"). Call it from the Web and pass in a "name" parameter
which is the filename you want to import. Make sure you call the
external method in the context of a folder where you want the files
to be imported.
Example external method code::
from edw.circaimport import work_in_zope
def do_import(self, REQUEST):
name = REQUEST.get('name')
return work_in_zope(self, name, '/path/to/downloads/folder')
"""
from actors import ZopeActor
assert '/' not in name and name != '..'
zip_path = root_path + '/' + name
zip_fs_file = open(zip_path, 'rb')
report = StringIO()
zf = ZipFile(zip_fs_file)
index_file = StringIO(zf.read('index.txt'))
actor = ZopeActor(context, report)
def open_backup_file(name):
return StringIO(zf.read(name))
backupdata.walk_backup(index_file, open_backup_file, actor)
actor.finished()
zip_fs_file.close()
return report.getvalue()
def add_files_and_folders_from_circa_export(context, name, root_path):
"""
Call this method from a Zope ExternalMethod. It assumes a local
folder that has CIRCA-exported Zip files (using the "save" method,
not "download"). Call it from the Web and pass in a "name" parameter
which is the filename you want to import. Make sure you call the
external method in the context of a folder where you want the files
to be imported.
Example external method code::
from edw.circaimport import work_in_zope
def do_import(self, REQUEST):
name = REQUEST.get('name')
return work_in_zope(self, name, '/path/to/downloads/folder')
"""
logger.debug('start importing files and folders')
from actors import ZopeActor
assert '/' not in name and name != '..'
zip_path = root_path + '/' + name
zip_fs_file = open(zip_path, 'rb')
zf = ZipFile(zip_fs_file)
index_file = StringIO(zf.read('index.txt'))
current_user = context.REQUEST.AUTHENTICATED_USER.getId()
actor = ZopeActor(context, current_user)
def _open_on_key_error(name):
"""
Patches for when the names are wrong (usually unicode encoding problems)
"""
chain = name.split('/')
parent_path = '/'.join(chain[:-1])
matching_path = parent_path + '/' + chain[-1][0]
matches = [fname for fname in zf.namelist()
if fname.startswith(matching_path)]
assert len(matches) == 1
return StringIO(zf.read(matches[0]))
def open_backup_file(name):
try:
return StringIO(zf.read(name))
except KeyError:
return _open_on_key_error(name)
def get_date(name):
info = zf.getinfo(name)
return datetime.date(*info.date_time[0:3])
backupdata.walk_backup(index_file, open_backup_file, get_date, actor)
actor.finished()
zip_fs_file.close()
logger.debug('done importing files and folders')