RequestValidation objects always have attributes

When working with validation requests, there are always domains, thus there are
always zero or more validation request domains. This makes it easier to work
with the objects.

Based on xolphin#3

Author: tdgroot

xolphin/responses/request_validation.py

@@ -2,12 +2,8 @@
 
 class RequestValidation(object):
     def __init__(self, data):
-        if 'status' in data: self.status = data['status']
-        if 'statusDetail' in data: self.status_detail = data['statusDetail']
-        if 'statusMessage' in data: self.status_message = data['statusMessage']
-        if 'message' in data: self.message = data['message']
-
-        if 'domains' in data:
-            self.domains = []
-            for domain in data['domains']:
-                self.domains.append(RequestValidationDomain(domain))
+        self.status = data.get('status')
+        self.status_detail = data.get('statusDetail')
+        self.status_message = data.get('statusMessage')
+        self.message = data.get('message')
+        self.domains = [RequestValidationDomain(domain) for domain in data.get('domains', [])]

xolphin/responses/request_validation_domain.py

@@ -1,15 +1,15 @@
 class RequestValidationDomain(object):
     def __init__(self, data):
-        if 'domain' in data: self.domain = data['domain']
-        if 'dcvType' in data: self.dcv_type = data['dcvType']
-        if 'dcvEmail' in data: self.dcv_email = data['dcvEmail']
-        if 'status' in data: self.status = data['status']
-        if 'statusDetail' in data: self.status_detail = data['statusDetail']
-        if 'statusMessage' in data: self.status_message = data['statusMessage']
-        if 'md5' in data: self.md5 = data['md5']
-        if 'sha1' in data: self.sha1 = data['sha1']
+        self.domain = data.get('domain')
+        self.dcv_type = data.get('dcvType')
+        self.dcv_email = data.get('dcvEmail')
+        self.status = data.get('status')
+        self.status_detail = data.get('statusDetail')
+        self.status_message = data.get('statusMessage')
+        self.md5 = data.get('md5')
+        self.sha1 = data.get('sha1')
 
-        if 'dnsRecord' in data: self.dnsRecord = data['dnsRecord']
-        if 'dnsCnameValue' in data: self.dnsCnameValue = data['dnsCnameValue']
-        if 'fileLocation' in data: self.fileLocation = data['fileLocation']
-        if 'fileContents' in data: self.fileContents = data['fileContents']
+        self.dnsRecord = data.get('dnsRecord')
+        self.dnsCnameValue = data.get('dnsCnameValue')
+        self.fileLocation = data.get('fileLocation')
+        self.fileContents = data.get('fileContents')