# TODO: replace dflat with hg
from osrf.app import Application
from dflat import dflat
class Versioning(Application):
Application.register_method(
api_name='psu.stewardship.versioning.init',
method='init',
argc=1,
stream=False
)
def init(self, request, obj_dir):
dflat.init(obj_dir)
request.respond(dflat.status(obj_dir))
Application.register_app(Versioning())
import os
from osrf.app import Application
import osrf.log
import pairtree
class Storage(Application):
Application.register_method(
api_name='psu.stewardship.storage.store',
method='store',
argc=3,
stream=False
)
def store(self, request, base_location, identifier, source):
f = pairtree.PairtreeStorageFactory()
tree_location = os.path.join(base_location, "stewardship")
pairstore = f.get_store(store_dir=tree_location, uri_base="ark://")
pairobj = pairstore.create_object(identifier)
pairobj.add_directory(source)
request.respond(pairobj.location)
Application.register_app(Storage())
from osrf.app import Application
class Test(Application):
Application.register_method(
api_name='opensrf.test.reverse',
method='reverse',
argc=1,
stream=True
)
def reverse(self, request, message=''):
request.respond(message[::-1])
Application.register_app(Test())
class Example(Application):
''' Example OpenSRF application. '''
# ---------------------------------------------------------
# Register a new method for this application
# ---------------------------------------------------------
Application.register_method(
api_name = 'opensrf.py-example.reverse', # published API name for the method
method = 'reverse', # name of def that implements this method
argc = 1, # expects a single argument
stream = True # returns a stream of results. can be called atomic-ly
)
# ---------------------------------------------------------
# This method implements the API call registered above
# ---------------------------------------------------------
def reverse(self, request, message=''):
''' Returns the given string in reverse order one character at a time
@param type:string Message to reverse
@return type:string The reversed message, one character at a time. '''
idx = len(message) - 1
while idx >= 0:
request.respond(message[idx])
idx -= 1
# ---------------------------------------------------------
# Session data test
# ---------------------------------------------------------
Application.register_method(
api_name = 'opensrf.stateful_session_test',
method = 'session_test',
argc = 0
)
def session_test(self, request):
c = request.session.session_data.get('counter', 0) + 1
request.session.session_data['counter'] = c
return c
# ---------------------------------------------------------
# Session callbacks test
# ---------------------------------------------------------
Application.register_method(
api_name = 'opensrf.session_callback_test',
method = 'callback_test',
argc = 0
)
def callback_test(self, request):
def pre_req_cb(ses):
osrf.log.log_info("running pre_request callback")
def post_req_cb(ses):
osrf.log.log_info("running post_request callback")
def disconnect_cb(ses):
osrf.log.log_info("running disconnect callback")
def death_cb(ses):
osrf.log.log_info("running death callback")
ses = request.session
ses.register_callback('pre_request', pre_req_cb)
ses.register_callback('post_request', post_req_cb)
ses.register_callback('disconnect', disconnect_cb)
ses.register_callback('death', death_cb)
c = ses.session_data.get('counter', 0) + 1
ses.session_data['counter'] = c
return c
# ---------------------------------------------------------
# These example methods override methods from
# osrf.app.Application. They are not required.
# ---------------------------------------------------------
def global_init(self):
osrf.log.log_debug("Running global init handler for %s" % __name__)
def child_init(self):
osrf.log.log_debug("Running child init handler for process %d" % os.getpid())
def child_exit(self):
osrf.log.log_debug("Running child exit handler for process %d" % os.getpid())
ses.register_callback('pre_request', pre_req_cb)
ses.register_callback('post_request', post_req_cb)
ses.register_callback('disconnect', disconnect_cb)
ses.register_callback('death', death_cb)
c = ses.session_data.get('counter', 0) + 1
ses.session_data['counter'] = c
return c
# ---------------------------------------------------------
# These example methods override methods from
# osrf.app.Application. They are not required.
# ---------------------------------------------------------
def global_init(self):
osrf.log.log_debug("Running global init handler for %s" % __name__)
def child_init(self):
osrf.log.log_debug("Running child init handler for process %d" % os.getpid())
def child_exit(self):
osrf.log.log_debug("Running child exit handler for process %d" % os.getpid())
# ---------------------------------------------------------
# Now register an instance of this class as an application
# ---------------------------------------------------------
Application.register_app(Example())
import hashlib
from osrf.app import Application
class Fixity(Application):
Application.register_method(
api_name='psu.stewardship.fixity.generate',
method='generate',
argc=2,
stream=False
)
def generate(self, request, file_location, algorithm):
h = hashlib.new(algorithm)
h.update(open(file_location).read())
request.respond(h.hexdigest())
Application.register_app(Fixity())
from osrf.app import Application
from arkpy import arkpy
class Identity(Application):
Application.register_method(
api_name='psu.stewardship.identity.mint',
method='mint',
argc=0,
stream=False
)
def mint(self, request):
ark = arkpy.mint(authority='42409', template='eeddeeddk')
request.respond(ark)
Application.register_method(
api_name='psu.stewardship.identity.validate',
method='validate',
argc=1,
stream=False
)
def validate(self, request, ark=''):
is_valid = arkpy.validate(ark)
request.respond(is_valid)
Application.register_app(Identity())