fix for no data

changelog.txt

@@ -2,6 +2,8 @@ jc changelog
 
 20200610 v1.11.5
 - Update airport_s parser to fix error on parsing empty data
+- Update arp parser to fix error on parsing empty data
+- Update blkid parser to fix error on parsing empty data
 - Add tests to all parsers for no data condition
 
 20200610 v1.11.4

jc/parsers/arp.py

@@ -99,7 +99,7 @@ import jc.parsers.universal
 
 
 class info():
-    version = '1.4'
+    version = '1.5'
     description = 'arp command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -171,7 +171,10 @@ def parse(data, raw=False, quiet=False):
     if not quiet:
         jc.utils.compatibility(__name__, info.compatible)
 
-    cleandata = data.splitlines()
+    raw_output = []
+    cleandata = list(filter(None, data.splitlines()))
+
+    if cleandata:
 
         # remove final Entries row if -v was used
         if cleandata[-1].startswith('Entries:'):
@@ -179,7 +182,6 @@ def parse(data, raw=False, quiet=False):
 
         # detect if freebsd/osx style was used
         if cleandata[0][-1] == ']':
-        raw_output = []
             for line in cleandata:
                 splitline = line.split()
                 output_line = {
@@ -214,14 +216,8 @@ def parse(data, raw=False, quiet=False):
 
             raw_output = jc.parsers.universal.simple_table_parse(cleandata)
 
-        if raw:
-            return raw_output
-        else:
-            return process(raw_output)
-
         # otherwise, try bsd style
         else:
-        raw_output = []
             for line in cleandata:
                 line = line.split()
                 output_line = {

jc/parsers/blkid.py

@@ -79,7 +79,7 @@ import jc.utils
 
 
 class info():
-    version = '1.0'
+    version = '1.1'
     description = 'blkid command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -176,7 +176,7 @@ def parse(data, raw=False, quiet=False):
 
     raw_output = []
 
-    if data:
+    if len(data) > 1:
         # if the first field is a device, use normal parsing:
         if data.split(maxsplit=1)[0][-1] == ':':
             linedata = data.splitlines()

tests/test_arp.py

@@ -71,6 +71,12 @@ class MyTests(unittest.TestCase):
         with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/freebsd12/arp-a.json'), 'r', encoding='utf-8') as f:
             self.freebsd12_arp_a_json = json.loads(f.read())
 
+    def test_arp_nodata(self):
+        """
+        Test 'arp' with no data
+        """
+        self.assertEqual(jc.parsers.arp.parse('', quiet=True), [])
+
     def test_arp_centos_7_7(self):
         """
         Test 'arp' on Centos 7.7

tests/test_blkid.py

@@ -71,6 +71,12 @@ class MyTests(unittest.TestCase):
         with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/blkid-ip-udev-multi.json'), 'r', encoding='utf-8') as f:
             self.ubuntu_18_4_blkid_ip_udev_multi_json = json.loads(f.read())
 
+    def test_blkid_nodata(self):
+        """
+        Test 'blkid' with no data
+        """
+        self.assertEqual(jc.parsers.blkid.parse('', quiet=True), [])
+
     def test_blkid_centos_7_7(self):
         """
         Test 'blkid' on Centos 7.7