Load Sepa even though lxml is not installed

TODO.md

@@ -460,29 +460,3 @@ mkhomedir_helper or create ssh homes with bash.rc and such
 
 
 # POSTFIX web traffic monitor '": uid=" from=<%(user)s>'
-
-# orchestra.server PING/SSH+uptime status
-    class ServerState(models.Model):
-        server = models.OneToOneField(Server)
-        ping = models.CharField(max_length=256)
-        uptime = models.CharField(max_length=256)
-    from orchestra.contrib.orchestration.models import Server
-    from orchestra.utils.sys import run, sshrun, joinall
-    def retrieve_state(servers):
-        uptimes = []
-        pings = []
-        for server in servers:
-            address = server.get_address()
-            ping = run('ping -c 1 %s' % address, async=True)
-            pings.append(ping)
-            uptime = sshrun(address, 'uptime', persist=True, async=True)
-            uptimes.append(uptime)
-        
-        pings = joinall(pings, silent=True)
-        uptimes = joinall(uptimes, silent=True)
-        for ping in pings:
-            print(ping.stdout.splitlines()[-1])
-        
-        for uptime in uptimes:
-            print(uptime.stdout)
-    retrieve_state(Server.objects.all())

orchestra/contrib/orchestration/models.py

@@ -27,7 +27,7 @@ class Server(models.Model):
     address = NullableCharField(_("address"), max_length=256, blank=True,
         validators=[OrValidator(validate_ip_address, validate_hostname)],
         null=True, unique=True, help_text=_(
-            "Optional IP address or domain name. Name field will be used if not provided.<br>"
+            "Optional IP address or domain name. If blank, name field will be used for address resolution.<br>"
             "If the IP address never changes you can set this field and save DNS requests."))
     description = models.TextField(_("description"), blank=True)
     os = models.CharField(_("operative system"), max_length=32,

orchestra/contrib/payments/methods/options.py

@@ -8,9 +8,6 @@ from orchestra.utils.python import import_class
 from .. import settings
 
 
-logger = logging.getLogger(__name__)
-
-
 class PaymentMethod(plugins.Plugin):
     label_field = 'label'
     number_field = 'number'
@@ -24,10 +21,7 @@ class PaymentMethod(plugins.Plugin):
     def get_plugins(cls):
         plugins = []
         for cls in settings.PAYMENTS_ENABLED_METHODS:
-            try:
-                plugins.append(import_class(cls))
-            except ImportError as exc:
-                logger.error('Error loading %s: %s' % (cls, exc))
+            plugins.append(import_class(cls))
         return plugins
     
     def get_label(self):

orchestra/contrib/payments/methods/sepadirectdebit.py

@@ -1,8 +1,6 @@
 import datetime
-import lxml.builder
+import logging
 import os
-from lxml import etree
-from lxml.builder import E
 from io import StringIO
 
 from django import forms
@@ -17,6 +15,14 @@ from .. import settings
 from .options import PaymentMethod
 
 
+logger = logging.getLogger(__name__)
+
+try:
+    import lxml
+except ImportError:
+    logger.error('Error loading lxml, module not install')
+
+
 class SEPADirectDebitForm(PluginDataForm):
     iban = forms.CharField(label='IBAN',
         widget=forms.TextInput(attrs={'size': '50'}))
@@ -76,6 +82,8 @@ class SEPADirectDebit(PaymentMethod):
     
     @classmethod
     def process_credits(cls, transactions):
+        import lxml.builder
+        from lxml.builder import E
         from ..models import TransactionProcess
         process = TransactionProcess.objects.create()
         context = cls.get_context(transactions)
@@ -120,6 +128,8 @@ class SEPADirectDebit(PaymentMethod):
     
     @classmethod
     def process_debts(cls, transactions):
+        import lxml.builder
+        from lxml.builder import E
         from ..models import TransactionProcess
         process = TransactionProcess.objects.create()
         context = cls.get_context(transactions)
@@ -185,6 +195,8 @@ class SEPADirectDebit(PaymentMethod):
     
     @classmethod
     def get_debt_transactions(cls, transactions, process):
+        import lxml.builder
+        from lxml.builder import E
         for transaction in transactions:
             transaction.process = process
             transaction.state = transaction.WAITTING_EXECUTION
@@ -228,6 +240,8 @@ class SEPADirectDebit(PaymentMethod):
     
     @classmethod
     def get_credit_transactions(transactions, process):
+        import lxml.builder
+        from lxml.builder import E
         for transaction in transactions:
             transaction.process = process
             transaction.state = transaction.WAITTING_EXECUTION
@@ -263,6 +277,8 @@ class SEPADirectDebit(PaymentMethod):
     
     @classmethod
     def get_header(cls, context, process):
+        import lxml.builder
+        from lxml.builder import E
         return E.GrpHdr(                            # Group Header
             E.MsgId(str(process.id)),           # Message Id
             E.CreDtTm(                              # Creation Date Time
@@ -284,6 +300,7 @@ class SEPADirectDebit(PaymentMethod):
     
     @classmethod
     def process_xml(cls, sepa, xsd, file_name, process):
+        from lxml import etree
         # http://www.iso20022.org/documents/messages/1_0_version/pain/schemas/pain.008.001.02.zip
         path = os.path.dirname(os.path.realpath(__file__))
         xsd_path = os.path.join(path, xsd)