fix for no data

changelog.txt

@@ -15,6 +15,8 @@ jc changelog
 - Update ntpq parser to fix error on parsing empty data
 - Update ps parser to fix error on parsing empty data
 - Update route parser to fix error on parsing empty data
+- Update systemctl parser to fix error on parsing empty data
+- Update systemctl_lj parser to fix error on parsing empty data
 - Add tests to all parsers for no data condition
 - Update ss parser to fix integer fields
 

jc/parsers/systemctl.py

@@ -40,7 +40,7 @@ import jc.utils
 
 
 class info():
-    version = '1.1'
+    version = '1.2'
     description = 'systemctl command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -99,24 +99,27 @@ def parse(data, raw=False, quiet=False):
     linedata = data.splitlines()
     # Clear any blank lines
     linedata = list(filter(None, linedata))
-    # clean up non-ascii characters, if any
-    cleandata = []
-    for entry in linedata:
-        cleandata.append(entry.encode('ascii', errors='ignore').decode())
-
-    header_text = cleandata[0]
-    header_list = header_text.lower().split()
-
     raw_output = []
 
-    for entry in cleandata[1:]:
-        if 'LOAD   = ' in entry:
-            break
+    if linedata:
+        # clean up non-ascii characters, if any
+        cleandata = []
+        for entry in linedata:
+            cleandata.append(entry.encode('ascii', errors='ignore').decode())
 
-        else:
-            entry_list = entry.rstrip().split(maxsplit=4)
-            output_line = dict(zip(header_list, entry_list))
-            raw_output.append(output_line)
+        header_text = cleandata[0]
+        header_list = header_text.lower().split()
+
+        raw_output = []
+
+        for entry in cleandata[1:]:
+            if 'LOAD   = ' in entry:
+                break
+
+            else:
+                entry_list = entry.rstrip().split(maxsplit=4)
+                output_line = dict(zip(header_list, entry_list))
+                raw_output.append(output_line)
 
     if raw:
         return raw_output

jc/parsers/systemctl_lj.py

@@ -59,7 +59,7 @@ import jc.utils
 
 
 class info():
-    version = '1.1'
+    version = '1.2'
     description = 'systemctl list-jobs command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -126,24 +126,27 @@ def parse(data, raw=False, quiet=False):
     # Clear any blank lines
     linedata = list(filter(None, linedata))
     # clean up non-ascii characters, if any
-    cleandata = []
-    for entry in linedata:
-        cleandata.append(entry.encode('ascii', errors='ignore').decode())
-
-    header_text = cleandata[0]
-    header_text = header_text.lower()
-    header_list = header_text.split()
-
     raw_output = []
 
-    for entry in cleandata[1:]:
-        if 'No jobs running.' in entry or 'jobs listed.' in entry:
-            break
+    if linedata:
+        cleandata = []
+        for entry in linedata:
+            cleandata.append(entry.encode('ascii', errors='ignore').decode())
 
-        else:
-            entry_list = entry.split(maxsplit=4)
-            output_line = dict(zip(header_list, entry_list))
-            raw_output.append(output_line)
+        header_text = cleandata[0]
+        header_text = header_text.lower()
+        header_list = header_text.split()
+
+        raw_output = []
+
+        for entry in cleandata[1:]:
+            if 'No jobs running.' in entry or 'jobs listed.' in entry:
+                break
+
+            else:
+                entry_list = entry.split(maxsplit=4)
+                output_line = dict(zip(header_list, entry_list))
+                raw_output.append(output_line)
 
     if raw:
         return raw_output

tests/test_stat.py

@@ -35,6 +35,12 @@ class MyTests(unittest.TestCase):
         with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/freebsd12/stat.json'), 'r', encoding='utf-8') as f:
             self.freebsd12_stat_json = json.loads(f.read())
 
+    def test_stat_nodata(self):
+        """
+        Test 'stat' with no data
+        """
+        self.assertEqual(jc.parsers.stat.parse('', quiet=True), [])
+
     def test_stat_centos_7_7(self):
         """
         Test 'stat /bin/*' on Centos 7.7

tests/test_systemctl.py

@@ -23,6 +23,12 @@ class MyTests(unittest.TestCase):
         with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/systemctl.json'), 'r', encoding='utf-8') as f:
             self.ubuntu_18_4_systemctl_json = json.loads(f.read())
 
+    def test_systemctl_nodata(self):
+        """
+        Test 'systemctl' with no data
+        """
+        self.assertEqual(jc.parsers.systemctl.parse('', quiet=True), [])
+
     def test_systemctl_centos_7_7(self):
         """
         Test 'systemctl -a' on Centos 7.7

tests/test_systemctl_lj.py

@@ -17,6 +17,12 @@ class MyTests(unittest.TestCase):
         with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/systemctl-lj.json'), 'r', encoding='utf-8') as f:
             self.ubuntu_18_4_systemctl_lj_json = json.loads(f.read())
 
+    def test_systemctl_lj_nodata(self):
+        """
+        Test 'systemctl -a list-jobs' with no data
+        """
+        self.assertEqual(jc.parsers.systemctl_lj.parse('', quiet=True), [])
+
     def test_systemctl_lj_ubuntu_18_4(self):
         """
         Test 'systemctl -a list-jobs' on Ubuntu 18.4