required pyasn1 version is now 0.2.3

added matchTags, matchConstraints flags to .setComponentBy() call

9 files changed, 54 insertions, 52 deletions

diff --git a/CHANGES.txt b/CHANGES.txt
index bdd1bfa0..335dde6c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,6 +4,9 @@ Revision 4.3.4, released 2017-02-XX
 
 - Fix to low-level SNMP API example to accommodate changed pyasn1
   SEQUENCE supporting iterator protocol.
+- The pyasn1 version dependency bumped (0.2.3), SEQUENCE/SEQUENCE OF
+  API calls adjusted to accommodate changed pyasn1 API (in part
+  of .setComponentBy*() kw flags).
 - Fixed crash on SNMP engine's invalid message counter increment.
 
 Revision 4.3.3, released 2017-02-04
diff --git a/pysnmp/proto/api/v1.py b/pysnmp/proto/api/v1.py
index a863afd5..9b62f76a 100644
--- a/pysnmp/proto/api/v1.py
+++ b/pysnmp/proto/api/v1.py
@@ -39,8 +39,7 @@ class VarBindAPI(object):
         varBind.setComponentByPosition(0, oid)
         if val is None:
             val = null
-        varBind.setComponentByPosition(1).getComponentByPosition(1).setComponentByType(val.getTagSet(), val, 1,
-                                                                                       verifyConstraints=False)
+        varBind.setComponentByPosition(1).getComponentByPosition(1).setComponentByType(val.getTagSet(), val, verifyConstraints=False, matchTags=False, matchConstraints=False, innerFlag=True)
         return varBind
 
     @staticmethod
@@ -59,13 +58,13 @@ class PDUAPI(object):
 
     def setDefaults(self, pdu):
         pdu.setComponentByPosition(
-            0, getNextRequestID(), verifyConstraints=False
+            0, getNextRequestID(), verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         pdu.setComponentByPosition(
-            1, self._errorStatus, verifyConstraints=False
+            1, self._errorStatus, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         pdu.setComponentByPosition(
-            2, self._errorIndex, verifyConstraints=False
+            2, self._errorIndex, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         pdu.setComponentByPosition(3)
 
@@ -171,11 +170,11 @@ class TrapPDUAPI(object):
             except Exception:
                 agentAddress = IpAddress('0.0.0.0')
             self._networkAddress = NetworkAddress().setComponentByPosition(0, agentAddress)
-        pdu.setComponentByPosition(0, self._entOid, verifyConstraints=False)
-        pdu.setComponentByPosition(1, self._networkAddress, verifyConstraints=False)
-        pdu.setComponentByPosition(2, self._genericTrap, verifyConstraints=False)
-        pdu.setComponentByPosition(3, self._zeroInt, verifyConstraints=False)
-        pdu.setComponentByPosition(4, self._zeroTime, verifyConstraints=False)
+        pdu.setComponentByPosition(0, self._entOid, verifyConstraints=False, matchTags=False, matchConstraints=False)
+        pdu.setComponentByPosition(1, self._networkAddress, verifyConstraints=False, matchTags=False, matchConstraints=False)
+        pdu.setComponentByPosition(2, self._genericTrap, verifyConstraints=False, matchTags=False, matchConstraints=False)
+        pdu.setComponentByPosition(3, self._zeroInt, verifyConstraints=False, matchTags=False, matchConstraints=False)
+        pdu.setComponentByPosition(4, self._zeroTime, verifyConstraints=False, matchTags=False, matchConstraints=False)
         pdu.setComponentByPosition(5)
 
     @staticmethod
@@ -257,8 +256,8 @@ class MessageAPI(object):
     _community = univ.OctetString('public')
 
     def setDefaults(self, msg):
-        msg.setComponentByPosition(0, self._version, verifyConstraints=False)
-        msg.setComponentByPosition(1, self._community, verifyConstraints=False)
+        msg.setComponentByPosition(0, self._version, verifyConstraints=False, matchTags=False, matchConstraints=False)
+        msg.setComponentByPosition(1, self._community, verifyConstraints=False, matchTags=False, matchConstraints=False)
         return msg
 
     @staticmethod
@@ -283,8 +282,7 @@ class MessageAPI(object):
 
     @staticmethod
     def setPDU(msg, value):
-        msg.setComponentByPosition(2).getComponentByPosition(2).setComponentByType(value.getTagSet(), value, 1,
-                                                                                   verifyConstraints=False)
+        msg.setComponentByPosition(2).getComponentByPosition(2).setComponentByType(value.getTagSet(), value, verifyConstraints=False, matchTags=False, matchConstraints=False, innerFlag=True)
 
     def getResponse(self, reqMsg):
         rspMsg = Message()
diff --git a/pysnmp/proto/api/v2c.py b/pysnmp/proto/api/v2c.py
index 960c0c74..29e0ee3d 100644
--- a/pysnmp/proto/api/v2c.py
+++ b/pysnmp/proto/api/v2c.py
@@ -63,13 +63,13 @@ class PDUAPI(v1.PDUAPI):
     def setEndOfMibError(self, pdu, errorIndex):
         varBindList = self.getVarBindList(pdu)
         varBindList[errorIndex - 1].setComponentByPosition(
-            1, rfc1905.endOfMibView, verifyConstraints=False
+            1, rfc1905.endOfMibView, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
     def setNoSuchInstanceError(self, pdu, errorIndex):
         varBindList = self.getVarBindList(pdu)
         varBindList[errorIndex - 1].setComponentByPosition(
-            1, rfc1905.noSuchInstance, verifyConstraints=False
+            1, rfc1905.noSuchInstance, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
 
@@ -83,13 +83,13 @@ class BulkPDUAPI(PDUAPI):
     def setDefaults(self, pdu):
         PDUAPI.setDefaults(self, pdu)
         pdu.setComponentByPosition(
-            0, getNextRequestID(), verifyConstraints=False
+            0, getNextRequestID(), verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         pdu.setComponentByPosition(
-            1, self._nonRepeaters, verifyConstraints=False
+            1, self._nonRepeaters, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         pdu.setComponentByPosition(
-            2, self._maxRepetitions, verifyConstraints=False
+            2, self._maxRepetitions, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         pdu.setComponentByPosition(3)
 
@@ -160,8 +160,8 @@ class MessageAPI(v1.MessageAPI):
     _version = rfc1901.version.clone(1)
 
     def setDefaults(self, msg):
-        msg.setComponentByPosition(0, self._version, verifyConstraints=False)
-        msg.setComponentByPosition(1, self._community, verifyConstraints=False)
+        msg.setComponentByPosition(0, self._version, verifyConstraints=False, matchTags=False, matchConstraints=False)
+        msg.setComponentByPosition(1, self._community, verifyConstraints=False, matchTags=False, matchConstraints=False)
         return msg
 
     def getResponse(self, reqMsg):
diff --git a/pysnmp/proto/mpmod/rfc2576.py b/pysnmp/proto/mpmod/rfc2576.py
index 7211e5a5..668eade2 100644
--- a/pysnmp/proto/mpmod/rfc2576.py
+++ b/pysnmp/proto/mpmod/rfc2576.py
@@ -63,7 +63,7 @@ class SnmpV1MessageProcessingModel(AbstractMessageProcessingModel):
         msg.setComponentByPosition(0, self.messageProcessingModelID)
         msg.setComponentByPosition(2)
         msg.getComponentByPosition(2).setComponentByType(
-            pdu.tagSet, pdu, verifyConstraints=False
+            pdu.tagSet, pdu, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # rfc3412: 7.1.7
@@ -193,7 +193,7 @@ class SnmpV1MessageProcessingModel(AbstractMessageProcessingModel):
         msg.setComponentByPosition(0, messageProcessingModel)
         msg.setComponentByPosition(2)
         msg.getComponentByPosition(2).setComponentByType(
-            pdu.tagSet, pdu, verifyConstraints=False
+            pdu.tagSet, pdu, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # att: msgId not set back to PDU as it's up to responder app
diff --git a/pysnmp/proto/mpmod/rfc3412.py b/pysnmp/proto/mpmod/rfc3412.py
index 7a53b4b1..8ea6d4a1 100644
--- a/pysnmp/proto/mpmod/rfc3412.py
+++ b/pysnmp/proto/mpmod/rfc3412.py
@@ -140,7 +140,7 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
         scopedPDU.setComponentByPosition(1, contextName)
         scopedPDU.setComponentByPosition(2)
         scopedPDU.getComponentByPosition(2).setComponentByType(
-            pdu.tagSet, pdu, verifyConstraints=False
+            pdu.tagSet, pdu, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 7.1.7
@@ -148,12 +148,12 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
 
         # 7.1.7a
         msg.setComponentByPosition(
-            0, self.messageProcessingModelID, verifyConstraints=False
+            0, self.messageProcessingModelID, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         headerData = msg.setComponentByPosition(1).getComponentByPosition(1)
 
         # 7.1.7b
-        headerData.setComponentByPosition(0, msgID, verifyConstraints=False)
+        headerData.setComponentByPosition(0, msgID, verifyConstraints=False, matchTags=False, matchConstraints=False)
 
         snmpEngineMaxMessageSize, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols(
             '__SNMP-FRAMEWORK-MIB', 'snmpEngineMaxMessageSize')
@@ -161,7 +161,7 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
         # 7.1.7c
         # XXX need to coerce MIB value as it has incompatible constraints set
         headerData.setComponentByPosition(
-            1, snmpEngineMaxMessageSize.syntax, verifyConstraints=False
+            1, snmpEngineMaxMessageSize.syntax, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 7.1.7d
@@ -181,7 +181,7 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
             msgFlags |= 0x04
 
         headerData.setComponentByPosition(
-            2, self._msgFlags[msgFlags], verifyConstraints=False
+            2, self._msgFlags[msgFlags], verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 7.1.7e
@@ -207,12 +207,12 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
                 securityLevel = 1
                 # Clear possible auth&priv flags
                 headerData.setComponentByPosition(
-                    2, self._msgFlags[msgFlags & 0xfc], verifyConstraints=False
+                    2, self._msgFlags[msgFlags & 0xfc], verifyConstraints=False, matchTags=False, matchConstraints=False
                 )
                 # XXX
                 scopedPDU = self.__scopedPDU
                 scopedPDU.setComponentByPosition(
-                    0, self._emptyStr, verifyConstraints=False
+                    0, self._emptyStr, verifyConstraints=False, matchTags=False, matchConstraints=False
                 )
                 scopedPDU.setComponentByPosition(1, contextName)
                 scopedPDU.setComponentByPosition(2)
@@ -222,7 +222,7 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
                 pMod.apiPDU.setDefaults(emptyPdu)
 
                 scopedPDU.getComponentByPosition(2).setComponentByType(
-                    emptyPdu.tagSet, emptyPdu, verifyConstraints=False
+                    emptyPdu.tagSet, emptyPdu, verifyConstraints=False, matchTags=False, matchConstraints=False
                 )
                 debug.logger & debug.flagMP and debug.logger('prepareOutgoingMessage: force engineID discovery')
             else:
@@ -367,20 +367,21 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
         scopedPDU.setComponentByPosition(1, contextName)
         scopedPDU.setComponentByPosition(2)
         scopedPDU.getComponentByPosition(2).setComponentByType(
-            pdu.tagSet, pdu, verifyConstraints=False
+            pdu.tagSet, pdu, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 7.1.7
         msg = self._snmpMsgSpec
 
         # 7.1.7a
-        msg.setComponentByPosition(0, self.messageProcessingModelID,
-                                   verifyConstraints=False)
+        msg.setComponentByPosition(
+            0, self.messageProcessingModelID, verifyConstraints=False, matchTags=False, matchConstraints=False
+        )
 
         headerData = msg.setComponentByPosition(1).getComponentByPosition(1)
 
         # 7.1.7b
-        headerData.setComponentByPosition(0, msgID, verifyConstraints=False)
+        headerData.setComponentByPosition(0, msgID, verifyConstraints=False, matchTags=False, matchConstraints=False)
 
         snmpEngineMaxMessageSize, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols(
             '__SNMP-FRAMEWORK-MIB', 'snmpEngineMaxMessageSize')
@@ -388,7 +389,7 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
         # 7.1.7c
         # XXX need to coerce MIB value as it has incompatible constraints set
         headerData.setComponentByPosition(
-            1, snmpEngineMaxMessageSize.syntax, verifyConstraints=False
+            1, snmpEngineMaxMessageSize.syntax, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 7.1.7d
@@ -406,12 +407,12 @@ class SnmpV3MessageProcessingModel(AbstractMessageProcessingModel):
             msgFlags |= 0x04
 
         headerData.setComponentByPosition(
-            2, self._msgFlags[msgFlags], verifyConstraints=False
+            2, self._msgFlags[msgFlags], verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 7.1.7e
         headerData.setComponentByPosition(
-            3, securityModel, verifyConstraints=False
+            3, securityModel, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         debug.logger & debug.flagMP and debug.logger('prepareResponseMessage: %s' % (msg.prettyPrint(),))
diff --git a/pysnmp/proto/secmod/rfc2576.py b/pysnmp/proto/secmod/rfc2576.py
index 3ef0778e..757ba03c 100644
--- a/pysnmp/proto/secmod/rfc2576.py
+++ b/pysnmp/proto/secmod/rfc2576.py
@@ -302,7 +302,7 @@ class SnmpV1SecurityModel(base.AbstractSecurityModel):
         msg.setComponentByPosition(1, securityParameters)
         msg.setComponentByPosition(2)
         msg.getComponentByPosition(2).setComponentByType(
-            pdu.tagSet, pdu, verifyConstraints=False
+            pdu.tagSet, pdu, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         debug.logger & debug.flagMP and debug.logger('generateRequestMsg: %s' % (msg.prettyPrint(),))
@@ -332,7 +332,7 @@ class SnmpV1SecurityModel(base.AbstractSecurityModel):
         msg.setComponentByPosition(1, communityName)
         msg.setComponentByPosition(2)
         msg.getComponentByPosition(2).setComponentByType(
-            pdu.tagSet, pdu, verifyConstraints=False
+            pdu.tagSet, pdu, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         debug.logger & debug.flagMP and debug.logger('generateResponseMsg: %s' % (msg.prettyPrint(),))
diff --git a/pysnmp/proto/secmod/rfc3414/service.py b/pysnmp/proto/secmod/rfc3414/service.py
index 03e480af..4b4213c6 100644
--- a/pysnmp/proto/secmod/rfc3414/service.py
+++ b/pysnmp/proto/secmod/rfc3414/service.py
@@ -324,7 +324,7 @@ class SnmpUSMSecurityModel(AbstractSecurityModel):
 
         scopedPDUData = msg.setComponentByPosition(3).getComponentByPosition(3)
         scopedPDUData.setComponentByPosition(
-            0, scopedPDU, verifyConstraints=False
+            0, scopedPDU, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 3.1.6a
@@ -390,10 +390,10 @@ class SnmpUSMSecurityModel(AbstractSecurityModel):
             )
 
             securityParameters.setComponentByPosition(
-                5, privParameters, verifyConstraints=False
+                5, privParameters, verifyConstraints=False, matchTags=False, matchConstraints=False
             )
             scopedPDUData.setComponentByPosition(
-                1, encryptedData, verifyConstraints=False
+                1, encryptedData, verifyConstraints=False, matchTags=False, matchConstraints=False
             )
 
             debug.logger & debug.flagSM and debug.logger(
@@ -407,18 +407,18 @@ class SnmpUSMSecurityModel(AbstractSecurityModel):
 
         # 3.1.5
         securityParameters.setComponentByPosition(
-            0, securityEngineID, verifyConstraints=False
+            0, securityEngineID, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         securityParameters.setComponentByPosition(
-            1, snmpEngineBoots, verifyConstraints=False
+            1, snmpEngineBoots, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
         securityParameters.setComponentByPosition(
-            2, snmpEngineTime, verifyConstraints=False
+            2, snmpEngineTime, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 3.1.7
         securityParameters.setComponentByPosition(
-            3, usmUserName, verifyConstraints=False
+            3, usmUserName, verifyConstraints=False, matchTags=False, matchConstraints=False
         )
 
         # 3.1.8a
@@ -469,14 +469,14 @@ class SnmpUSMSecurityModel(AbstractSecurityModel):
         # 3.1.8b
         else:
             securityParameters.setComponentByPosition(
-                4, '', verifyConstraints=False
+                4, '', verifyConstraints=False, matchTags=False, matchConstraints=False
             )
 
             debug.logger & debug.flagSM and debug.logger(
                 '__generateRequestOrResponseMsg: %s' % (securityParameters.prettyPrint(),))
 
             try:
-                msg.setComponentByPosition(2, encoder.encode(securityParameters), verifyConstraints=False)
+                msg.setComponentByPosition(2, encoder.encode(securityParameters), verifyConstraints=False, matchTags=False, matchConstraints=False)
 
             except PyAsn1Error:
                 debug.logger & debug.flagSM and debug.logger(
diff --git a/requirements.txt b/requirements.txt
index ce2d70c6..313e30af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-pyasn1>=0.1.8
+pyasn1>=0.2.3
 pysmi
 pycryptodome
diff --git a/setup.py b/setup.py
index a8c200ed..62edc969 100644
--- a/setup.py
+++ b/setup.py
@@ -58,7 +58,7 @@ try:
     from setuptools import setup
 
     params = {
-        'install_requires': ['pyasn1>=0.1.8', 'pysmi', 'pycryptodome'],
+        'install_requires': ['pyasn1>=0.2.3', 'pysmi', 'pycryptodome'],
         'zip_safe': True
     }
 
@@ -72,7 +72,7 @@ except ImportError:
 
     params = {}
     if sys.version_info[:2] > (2, 4):
-        params['requires'] = ['pyasn1(>=0.1.8)', 'pysmi', 'pycryptodome']
+        params['requires'] = ['pyasn1(>=0.2.3)', 'pysmi', 'pycryptodome']
 
 doclines = [x.strip() for x in (__doc__ or '').split('\n') if x]