parsing include

pyproject.toml

@@ -42,9 +42,9 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "~3.6 || ~3.7 || ^3.8"  # Compatible python versions must be declared here
+pygments-yang-lexer = "^0.2"
 pyang = "^2.3.2"
 pyangbind="^0.8.1"
-pygments-yang-lexer = "^0.2"
 
 # Optional dependencies (development)
 pudb = "^2019.2"

yang/exabgp.yang

@@ -6,10 +6,6 @@ module exabgp {
 		prefix ietf-inet-types;
 	}
 
-	import openconfig-bgp-types {
-		prefix openconfig-bgp-types;
-	}
-
 	organization
 		"Exa Networks";
 	contact
@@ -22,6 +18,35 @@ module exabgp {
 			"Initial revision.";
 	}
 
+	// From openconfig-bgp-types.yang
+
+	typedef bgp-std-community-type {
+	// TODO: further refine restrictions and allowed patterns
+	// 4-octet value:
+	//  <as number> 2 octets
+	//  <community value> 2 octets
+	type union {
+		type uint32 {
+		// per RFC 1997, 0x00000000 - 0x0000FFFF and 0xFFFF0000 -
+		// 0xFFFFFFFF are reserved
+		}
+		type string {
+			pattern '^(6553[0-5]|655[0-2][0-9]|654[0-9]{2}|65[0-4][0-9]{2}'      +
+					'|6[0-4][0-9]{3}|[1-5][0-9]{4}|[1-9][0-9]{1,3}|[0-9]):'      +
+					'(6553[0-5]|655[0-2][0-9]|654[0-9]{2}|65[0-4][0-9]{2}'       +
+					'|6[0-4][0-9]{3}|[1-5][0-9]{4}|[1-9][0-9]{1,3}|[0-9])$';
+			}
+		}
+		description
+			"Type definition for standard commmunity attributes represented as
+			a integer value, or a string of the form N:M where N and M are
+			integers between 0 and 65535.";
+		reference
+			"RFC 1997 - BGP Communities Attribute";
+	}
+
+	// End openconfig-bgp-types.yang
+
 	typedef router-name {
 		description
 			"The IP address or DNS name of a router";
@@ -31,6 +56,7 @@ module exabgp {
 		}
 	}
 
+
 	grouping nlri-v4 {
 		leaf prefix {
 			type ietf-inet-types:ipv4-address;
@@ -122,7 +148,7 @@ module exabgp {
 		leaf-list community {
 			description
 				"";
-			type openconfig-bgp-types:bgp-std-community-type;
+			type bgp-std-community-type;
 		}
 		leaf-list large-commity {
 			description