X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=portal%2Factions.py;h=400f3a73566ee4309aaed30ec943eca6e6207f80;hb=be40d5eccad7c9488f225ec7175186eed33294a9;hp=084ee884d495f129f3eeb37f965607e33fd59636;hpb=ce50fd212455344e184297c3eb448268608559fe;p=unfold.git diff --git a/portal/actions.py b/portal/actions.py index 084ee884..400f3a73 100644 --- a/portal/actions.py +++ b/portal/actions.py @@ -1,12 +1,20 @@ -from django.http import HttpResponse -from manifold.core.query import Query -from manifoldapi.manifoldapi import execute_query,execute_admin_query -from portal.models import PendingUser, PendingSlice, PendingAuthority +from django.http import HttpResponse +from manifold.core.query import Query +from manifoldapi.manifoldapi import execute_query,execute_admin_query +from portal.models import PendingUser, PendingSlice, PendingAuthority import json -from portal.models import PendingSlice -from django.template.loader import render_to_string -from django.core.mail import send_mail +from django.contrib.auth.models import User +from django.contrib.sites.models import Site +from django.contrib.auth import get_user_model +from django.template.loader import render_to_string +from django.core.mail import EmailMultiAlternatives, send_mail + +from myslice.theme import ThemeView + +theme = ThemeView() + +import activity.slice # Thierry: moving this right into the code so # most people can use myslice without having to install sfa @@ -19,6 +27,7 @@ from django.core.mail import send_mail def authority_get_pis(request, authority_hrn): query = Query.get('authority').filter_by('authority_hrn', '==', authority_hrn).select('pi_users') results = execute_admin_query(request, query) + print "authority_get_pis = %s" % results # NOTE: temporarily commented. Because results is giving empty list. # Needs more debugging #if not results: @@ -29,14 +38,59 @@ def authority_get_pis(request, authority_hrn): def authority_get_pi_emails(request, authority_hrn): pi_users = authority_get_pis(request,authority_hrn) - if any(d['pi_users'] == None for d in pi_users): - return ['support@myslice.info'] + print "pi_users = %s" % pi_users + + if any(pi['pi_users'] == None or not pi['pi_users'] for pi in pi_users): + #theme.template_name = 'email_default_recipients.txt' + #default_email = render_to_string(theme.template, request) + #default_email = default_email.replace('\n', '') + #return default_email + # the above doesn't work + return ['support@onelab.eu'] else: pi_user_hrns = [ hrn for x in pi_users for hrn in x['pi_users'] ] - query = Query.get('user').filter_by('user_hrn', 'included', pi_user_hrns).select('email') + query = Query.get('user').filter_by('user_hrn', 'included', pi_user_hrns).select('user_email') results = execute_admin_query(request, query) - print "mails", [result['email'] for result in results] - return [result['email'] for result in results] + return [result['user_email'] for result in results] + +#clear user credentials +def clear_user_creds(request, user_email): + try: + user_query = Query().get('local:user').filter_by('email', '==', user_email).select('user_id','email','password','config') + user_details = execute_admin_query(request, user_query) + + # getting the user_id from the session + for user_detail in user_details: + user_id = user_detail['user_id'] + user_email = user_detail['email'] + + account_query = Query().get('local:account').filter_by('user_id', '==', user_id).select('user_id','platform_id','auth_type','config') + account_details = execute_admin_query(request, account_query) + + platform_query = Query().get('local:platform').select('platform_id','platform') + platform_details = execute_admin_query(request, platform_query) + + for account_detail in account_details: + for platform_detail in platform_details: + if platform_detail['platform_id'] == account_detail['platform_id']: + if 'myslice' in platform_detail['platform']: + account_config = json.loads(account_detail['config']) + #user_cred = account_config.get('delegated_user_credential','N/A') + user_cred = account_config.get('user_credential','N/A') + if 'N/A' not in user_cred: + user_hrn = account_config.get('user_hrn','N/A') + user_pub_key = json.dumps(account_config.get('user_public_key','N/A')) + user_priv_key = json.dumps(account_config.get('user_private_key','N/A')) + updated_config = '{"user_public_key":'+ user_pub_key + ', "user_private_key":'+ user_priv_key + ', "user_hrn":"'+ user_hrn + '"}' + user_params = { 'config': updated_config} + manifold_update_account(request, user_id,user_params) + return user_email + else: + return None + + except Exception,e: + print "Exception in actions.py in clear_user_creds %s" % e + return None def is_pi(wsgi_request, user_hrn, authority_hrn): # XXX could be done in a single query ! @@ -151,13 +205,18 @@ def manifold_delete_account(request, platform_id, user_id, account_params): results = execute_admin_query(request,query) return results +def manifold_delete_user(request, user_id, user_params): + query = Query.delete('local:user').filter_by('user_id', '==', user_id).set(user_params).select('user_id') + results = execute_admin_query(request,query) + return results + #not tested def manifold_add_platform(request, platform_params): query = Query.create('local:platform').set(platform_params).select(['user', 'platform']) results = execute_admin_query(request,query) if not results: - raise Exception, "Failed creating manifold platform %s for user: %s" % (platform_params['platform'], platform_params['user']) + raise Exception, "Failed creating manifold platform %s for user: %s" % (platform_params['platform'], platform_params['user']) result, = results return result['platform_id'] @@ -172,7 +231,9 @@ def make_request_user(user): request['last_name'] = user.last_name request['email'] = user.email request['login'] = user.login - request['keypair'] = user.keypair + request['user_hrn'] = user.user_hrn + request['public_key'] = user.public_key + request['private_key'] = user.private_key return request def make_request_slice(slice): @@ -239,7 +300,8 @@ def get_request_by_id(ids): def get_requests(authority_hrns=None): print "get_request_by_authority auth_hrns = ", authority_hrns if not authority_hrns: - pending_users = PendingUser.objects.all() + ## get those pending users who have confirmed their emails + pending_users = PendingUser.objects.filter(status__iexact = 'True') pending_slices = PendingSlice.objects.all() pending_authorities = PendingAuthority.objects.all() else: @@ -271,7 +333,7 @@ def portal_validate_request(wsgi_request, request_ids): try: create_user(wsgi_request, request) request_status['SFA user'] = {'status': True } - + PendingUser.objects.get(id=request['id']).delete() except Exception, e: request_status['SFA user'] = {'status': False, 'description': str(e)} @@ -295,6 +357,7 @@ def portal_validate_request(wsgi_request, request_ids): try: create_slice(wsgi_request, request) request_status['SFA slice'] = {'status': True } + PendingSlice.objects.get(id=request['id']).delete() except Exception, e: request_status['SFA slice'] = {'status': False, 'description': str(e)} @@ -306,17 +369,19 @@ def portal_validate_request(wsgi_request, request_ids): # XXX tmp sfa dependency from sfa.util.xrn import Xrn urn = Xrn(hrn, request['type']).get_urn() - + + # Only hrn is required for Manifold Query sfa_authority_params = { - 'hrn' : hrn, - 'urn' : urn, - 'type' : request['type'], + 'authority_hrn' : hrn, + #'authority_urn' : urn, + #'type' : request['type'], #'pi' : None, - 'enabled' : True + #'enabled' : True } print "ADD Authority" sfa_add_authority(wsgi_request, sfa_authority_params) request_status['SFA authority'] = {'status': True } + PendingAuthority.objects.get(id=request['id']).delete() except Exception, e: request_status['SFA authority'] = {'status': False, 'description': str(e)} @@ -327,13 +392,177 @@ def portal_validate_request(wsgi_request, request_ids): return status - def validate_action(request, **kwargs): ids = filter(None, kwargs['id'].split('/')) status = portal_validate_request(request, ids) json_answer = json.dumps(status) return HttpResponse (json_answer, mimetype="application/json") + +def reject_action(request, **kwargs): + ids = filter(None, kwargs['id'].split('/')) + status = portal_reject_request(request, ids) + json_answer = json.dumps(status) + return HttpResponse (json_answer, mimetype="application/json") + + +def portal_reject_request(wsgi_request, request_ids): + status = {} + # get the domain url + current_site = Site.objects.get_current() + current_site = current_site.domain + + + if not isinstance(request_ids, list): + request_ids = [request_ids] + + requests = get_request_by_id(request_ids) + for request in requests: + # type, id, timestamp, details, allowed -- MISSING: authority_hrn + # CAREFUL about details + # user : first name, last name, email, password, keypair + # slice : number of nodes, type of nodes, purpose + + request_status = {} + + if request['type'] == 'user': + try: + request_status['SFA user'] = {'status': True } + # getting user email based on id + ## RAW SQL queries on Django DB- https://docs.djangoproject.com/en/dev/topics/db/sql/ + for user in PendingUser.objects.raw('SELECT * FROM portal_pendinguser WHERE id = %s', [request['id']]): + user_email= user.email + first_name = user.first_name + last_name = user.last_name + + ctx = { + 'first_name' : first_name, + 'last_name' : last_name, + 'portal_url' : current_site, + } + try: + theme.template_name = 'user_request_denied.txt' + text_content = render_to_string(theme.template, ctx) + theme.template_name = 'user_request_denied.html' + html_content = render_to_string(theme.template, ctx) + theme.template_name = 'email_default_sender.txt' + sender = render_to_string(theme.template, ctx) + sender = sender.replace('\n', '') + + subject = 'User request denied.' + + msg = EmailMultiAlternatives(subject, text_content, sender, [user_email]) + msg.attach_alternative(html_content, "text/html") + msg.send() + except Exception, e: + print "Failed to send email, please check the mail templates and the SMTP configuration of your server" + + # removing from Django auth_user + UserModel = get_user_model() + UserModel._default_manager.filter(email__iexact = user_email).delete() + # removing from Django portal_pendinguser + PendingUser.objects.get(id=request['id']).delete() + # removing from manifold + # removing manifold account + user_query = Query().get('local:user') \ + .filter_by('email', '==', user_email) \ + .select('user_id') + user = execute_admin_query(wsgi_request, user_query) + user_id = user[0]['user_id'] + + platform_query = Query().get('local:platform') \ + .filter_by('platform', '==', 'myslice') \ + .select('platform_id') + platform = execute_admin_query(wsgi_request, platform_query) + platform_id = platform[0]['platform_id'] + account_params = {'user_id':user_id} + manifold_delete_account(request, platform_id, user_id, account_params) + + # removing manifold user + user_params = {'user_id':user_id} + manifold_delete_user(request, user_id, user_params) + except Exception, e: + request_status['SFA authority'] = {'status': False, 'description': str(e)} + + elif request['type'] == 'slice': + request_status['SFA slice'] = {'status': True } + + # getting user email based on id + ## RAW SQL queries on Django DB- https://docs.djangoproject.com/en/dev/topics/db/sql/ + for user in PendingSlice.objects.raw('SELECT * FROM portal_pendingslice WHERE id = %s', [request['id']]): + user_email= user.type_of_nodes # XXX type_of_nodes field contains the email [shd be renamed in DB] + slice_name = user.slice_name + purpose = user.purpose + url = user.number_of_nodes + + ctx = { + 'slice_name': slice_name, + 'purpose': purpose, + 'url': url, + 'portal_url': current_site, + } + try: + theme.template_name = 'slice_request_denied.txt' + text_content = render_to_string(theme.template, ctx) + theme.template_name = 'slice_request_denied.html' + html_content = render_to_string(theme.template, ctx) + theme.template_name = 'email_default_sender.txt' + sender = render_to_string(theme.template, ctx) + sender = sender.replace('\n', '') + + subject = 'Slice request denied.' + + msg = EmailMultiAlternatives(subject, text_content, sender, [user_email]) + msg.attach_alternative(html_content, "text/html") + msg.send() + except Exception, e: + print "Failed to send email, please check the mail templates and the SMTP configuration of your server" + + PendingSlice.objects.get(id=request['id']).delete() + + elif request['type'] == 'authority': + request_status['SFA authority'] = {'status': True } + + # getting user email based on id + ## RAW SQL queries on Django DB- https://docs.djangoproject.com/en/dev/topics/db/sql/ + for user in PendingAuthority.objects.raw('SELECT * FROM portal_pendingauthority WHERE id = %s', [request['id']]): + user_email= user.address_line1 # XXX address_line1 field contains the email [shd be renamed in DB] + site_name = user.site_name + city = user.address_city + country = user.address_country + short_name = user.site_abbreviated_name + url = user.site_url + + ctx = { + 'site_name': site_name, + 'short_name': short_name, + 'url': url, + 'city': city, + 'country': country, + 'portal_url' : current_site, + } + + try: + theme.template_name = 'authority_request_denied.txt' + text_content = render_to_string(theme.template, ctx) + theme.template_name = 'authority_request_denied.html' + html_content = render_to_string(theme.template, ctx) + theme.template_name = 'email_default_sender.txt' + sender = render_to_string(theme.template, ctx) + sender = sender.replace('\n', '') + subject = 'Authority request denied.' + msg = EmailMultiAlternatives(subject, text_content, sender, [user_email]) + msg.attach_alternative(html_content, "text/html") + msg.send() + except Exception, e: + print "Failed to send email, please check the mail templates and the SMTP configuration of your server" + + PendingAuthority.objects.get(id=request['id']).delete() + + status['%s__%s' % (request['type'], request['id'])] = request_status + + return status + # Django and ajax # http://djangosnippets.org/snippets/942/ @@ -360,12 +589,24 @@ def create_slice(wsgi_request, request): # Add User to Slice if we have the user_hrn in pendingslice table user_hrn = request.get('user_hrn', None) user_hrns = list([user_hrn]) if user_hrn else list() + + user_query = Query().get('user').select('user_hrn','user_email').filter_by('user_hrn','==',user_hrn) + user_details_sfa = execute_admin_query(wsgi_request, user_query) + if not user_details_sfa: + raise Exception, "User %s doesn't exist, validate user before validating slice" % user_hrn + for user in user_details_sfa: + user_email = user['user_email'] + + # XXX LOIC Quick fix because this is totally inconsistent + if not 'number_of_nodes' in request: + request['number_of_nodes']="" # XXX We should create a slice with Manifold terminology slice_params = { 'slice_hrn' : hrn, 'slice_urn' : urn, 'slice_type' : request['type'], + 'url' : request['number_of_nodes'], 'users' : user_hrns, 'slice_enabled' : True } @@ -375,9 +616,31 @@ def create_slice(wsgi_request, request): results = execute_query(wsgi_request, query) if not results: raise Exception, "Could not create %s. Already exists ?" % slice_params['hrn'] + else: + clear_user_creds(wsgi_request,user_email) + # log user activity + activity.slice.validate(self.request, "Slice validation", { "slice" : hrn }) + try: + theme.template_name = 'slice_request_validated.txt' + text_content = render_to_string(theme.template, request) + theme.template_name = 'slice_request_validated.html' + html_content = render_to_string(theme.template, request) + + theme.template_name = 'email_default_sender.txt' + sender = render_to_string(theme.template, request) + sender = sender.replace('\n', '') + + subject = 'Slice request validated' + + msg = EmailMultiAlternatives(subject, text_content, sender, [user_email]) + msg.attach_alternative(html_content, "text/html") + msg.send() + except Exception, e: + print "Failed to send email, please check the mail templates and the SMTP configuration of your server" + return results -def create_pending_slice(wgsi_request, request): +def create_pending_slice(wsgi_request, request, email): """ """ @@ -386,15 +649,32 @@ def create_pending_slice(wgsi_request, request): slice_name = request['slice_name'], user_hrn = request['user_hrn'], authority_hrn = request['authority_hrn'], - number_of_nodes = request['number_of_nodes'], + number_of_nodes = request['url'], # field needs to be renamed purpose = request['purpose'], + type_of_nodes = request['email'] # field needs to be renamed ) s.save() - # Send an email: the recipients are the PI of the authority - recipients = authority_get_pi_emails(wsgi_request, authority_hrn) - msg = render_to_string('slice-request-email.txt', request) - send_mail("Onelab user %(email)s requested a slice" % request, msg, email, recipients) + try: + # Send an email: the recipients are the PI of the authority + recipients = authority_get_pi_emails(wsgi_request, request['authority_hrn']) + + theme.template_name = 'slice_request_email.txt' + text_content = render_to_string(theme.template, request) + + theme.template_name = 'slice_request_email.html' + html_content = render_to_string(theme.template, request) + + theme.template_name = 'slice_request_email_subject.txt' + subject = render_to_string(theme.template, request) + subject = subject.replace('\n', '') + + sender = email + msg = EmailMultiAlternatives(subject, text_content, sender, recipients) + msg.attach_alternative(html_content, "text/html") + msg.send() + except Exception, e: + print "Failed to send email, please check the mail templates and the SMTP configuration of your server" #------------------------------------------------------------------------------- # REQUESTS - Users @@ -442,7 +722,7 @@ def manifold_add_reference_user_accounts(wsgi_request, request): } manifold_add_account(wsgi_request, manifold_account_params) -def sfa_create_user(wsgi_request, request): +def sfa_create_user(wsgi_request, request, namespace = None, as_admin = False): """ Arguments: wsgi_request (~ WSGIRequest) : @@ -456,29 +736,90 @@ def sfa_create_user(wsgi_request, request): auth_pi = request.get('pi', None) auth_pi = list([auth_pi]) if auth_pi else list() - # We create a slice request with Manifold terminology + # We create a user request with Manifold terminology sfa_user_params = { - 'user_hrn' : request['user_hrn'], - 'user_email' : request['email'], - 'urn' : Xrn(request['user_hrn'], request['type']).get_urn(), - 'type' : request['type'], - 'keys' : request['public_key'], - 'first_name' : request['first_name'], - 'last_name' : request['last_name'], - #'slices' : None, - #'researcher': None, - 'pi' : auth_pi, - 'enabled' : True + 'user_hrn' : request['user_hrn'], + 'user_email' : request['email'], + 'user_urn' : Xrn(request['user_hrn'], request['type']).get_urn(), + 'user_type' : request['type'], + 'keys' : request['public_key'], + 'user_first_name' : request['first_name'], + 'user_last_name' : request['last_name'], + 'pi_authorities' : auth_pi, + 'user_enabled' : True } - query = Query.create('user').set(user_params).select('user_hrn') - results = execute_query(wsgi_request, query) + if namespace is not None: + query = Query.create('%s:user' % namespace).set(sfa_user_params).select('user_hrn') + else: + query = Query.create('user').set(sfa_user_params).select('user_hrn') + + if as_admin: + results = execute_admin_query(wsgi_request, query) + else: + results = execute_query(wsgi_request, query) + if not results: - raise Exception, "Could not create %s. Already exists ?" % user_params['user_hrn'] + raise Exception, "Could not create %s. Already exists ?" % sfa_user_params['user_hrn'] + else: + try: + theme.template_name = 'user_request_validated.txt' + text_content = render_to_string(theme.template, request) + theme.template_name = 'user_request_validated.html' + html_content = render_to_string(theme.template, request) + + theme.template_name = 'email_default_sender.txt' + sender = render_to_string(theme.template, request) + sender = sender.replace('\n', '') + + + subject = 'User validated' + + msg = EmailMultiAlternatives(subject, text_content, sender, [request['email']]) + msg.attach_alternative(html_content, "text/html") + msg.send() + except Exception, e: + print "Failed to send email, please check the mail templates and the SMTP configuration of your server" + return results -def create_user(wsgi_request, request): +def iotlab_create_user (wsgi_request, request, namespace = None, as_admin=False): + + import requests + import time + from requests.auth import HTTPBasicAuth + URL_REST = 'https://devgrenoble.senslab.info/rest/admin/users' + LOGIN_ADMIN = "auge" + PASSWORD_ADMIN = "k,mfg1+Q" + + auth = HTTPBasicAuth(LOGIN_ADMIN,PASSWORD_ADMIN) + headers = {'content-type': 'application/json'} + + for user in PendingUser.objects.raw('SELECT * FROM portal_pendinguser WHERE email = %s', [request['email']]): + password= user.password + + + iotlab_user_params = { + "type" : "SA", + "login" : request['email'], + "password" : password, + "firstName" : request['first_name'], + "lastName" : request['last_name'], + "email" : request['email'], + "structure" : request['authority_hrn'], + "city" : "N/A", + "country" : "N/A", + "sshPublicKey" : request['public_key'], + "motivations" : "SFA federation", + } + + iotlab_user_params1 = json.dumps(iotlab_user_params) + r=requests.post(url=URL_REST, data=iotlab_user_params1, headers=headers, auth=auth) + print 'Create iotlab user : ', r.status_code, r.text + return r.text + +def create_user(wsgi_request, request, namespace = None, as_admin = False): # XXX This has to be stored centrally USER_STATUS_ENABLED = 2 @@ -486,7 +827,7 @@ def create_user(wsgi_request, request): # we would have to perform the steps in create_pending_user too # Add the user to the SFA registry - sfa_add_user(wsgi_request, request) + sfa_create_user(wsgi_request, request, namespace, as_admin) # Update Manifold user status manifold_update_user(wsgi_request, request['email'], {'status': USER_STATUS_ENABLED}) @@ -494,7 +835,11 @@ def create_user(wsgi_request, request): # Add reference accounts for platforms manifold_add_reference_user_accounts(wsgi_request, request) -def create_pending_user(wgsi_request, request, user_detail): + # Add the user to iotlab portal if theme is set to onelab + if theme.theme == 'onelab': + iotlab_create_user (wsgi_request, request) + +def create_pending_user(wsgi_request, request, user_detail): """ """ @@ -505,14 +850,32 @@ def create_pending_user(wgsi_request, request, user_detail): authority_hrn = request['authority_hrn'], email = request['email'], password = request['password'], - keypair = request['account_config'], # XXX REMOVE - public_key = request['public_key'], # TODO NEW - private_key = request['private_key'], # TODO NEW - user_hrn = request['user_hrn'], # TODO NEW - pi = '', # XXX Why not None ? + public_key = request['public_key'], + private_key = request['private_key'], + user_hrn = request['user_hrn'], + pi = request['pi'], + email_hash = request['email_hash'], + status = 'False', ) b.save() - + # sends email to user to activate the email + theme.template_name = 'activate_user.html' + html_content = render_to_string(theme.template, request) + theme.template_name = 'activate_user.txt' + text_content = render_to_string(theme.template, request) + theme.template_name = 'activate_user_email_subject.txt' + subject = render_to_string(theme.template, request) + subject = subject.replace('\n', '') + theme.template_name = 'email_default_sender.txt' + sender = render_to_string(theme.template, request) + sender = sender.replace('\n', '') + recipient = [request['email']] + #recipient = recipient.append(request['email']) + + msg = EmailMultiAlternatives(subject, text_content, sender, recipient) + msg.attach_alternative(html_content, "text/html") + msg.send() + # saves the user to django auth_user table [needed for password reset] user = User.objects.create_user(request['email'], request['email'], request['password']) @@ -529,15 +892,52 @@ def create_pending_user(wgsi_request, request, user_detail): account_config['user_private_key'] = request['private_key'] user_id = user_detail['user_id'] + 1 # the user_id for the newly created user in local:user - account_params = { - 'platform_id' : 5, # XXX ALERT !! - 'user_id' : user_id, - 'auth_type' : request['auth_type'], - 'config' : json.dumps(account_config), - } - manifold_add_account(wsgi_request, account_params) - # Send an email: the recipients are the PI of the authority - recipients = authority_get_pi_emails(wsgi_request, authority_hrn) - msg = render_to_string('user_request_email.txt', request) - send_mail("Onelab New User request for %(email)s submitted" % request, msg, 'support@myslice.info', recipients) + # XXX TODO: Require a myslice platform + # ALERT: this will disapear with ROUTERV2 of Manifold + # We have to consider the case where several registries can be used + # Removed hardcoded platform = 5 + # This platform == 'myslice' is a TMP FIX !! + try: + reg_platform_query = Query().get('local:platform') \ + .filter_by('platform', '==', 'myslice') \ + .select('platform_id') + reg_platform = execute_admin_query(wsgi_request, reg_platform_query) + + reg_platform_id = reg_platform[0]['platform_id'] + account_params = { + 'platform_id' : reg_platform_id, # XXX ALERT !! + 'user_id' : user_id, + 'auth_type' : request['auth_type'], + 'config' : json.dumps(account_config), + } + manifold_add_account(wsgi_request, account_params) + except Exception, e: + print "Failed creating manifold account on platform %s for user: %s" % ('myslice', request['email']) + + try: + # Send an email: the recipients are the PI of the authority + # If No PI is defined for this Authority, send to a default email (different for each theme) + recipients = authority_get_pi_emails(wsgi_request, request['authority_hrn']) + + theme.template_name = 'user_request_email.html' + html_content = render_to_string(theme.template, request) + + theme.template_name = 'user_request_email.txt' + text_content = render_to_string(theme.template, request) + + theme.template_name = 'user_request_email_subject.txt' + subject = render_to_string(theme.template, request) + subject = subject.replace('\n', '') + + theme.template_name = 'email_default_sender.txt' + sender = render_to_string(theme.template, request) + sender = sender.replace('\n', '') + + msg = EmailMultiAlternatives(subject, text_content, sender, recipients) + msg.attach_alternative(html_content, "text/html") + msg.send() + except Exception, e: + print "Failed to send email, please check the mail templates and the SMTP configuration of your server" + import traceback + traceback.print_exc()