df fix for trailining newline char

CHANGELOG

@@ -5,6 +5,7 @@ jc changelog
 - Add git log command streaming parser
 - Add top -b command parser tested on linux
 - Add top -b command streaming parser tested on linux
+- Fix df command parser for rare instances when a newline is found at the end
 - Allow jc to pip install on unsupported python version 3.6
 - Fix asciitable-m parser to skip some rows that contain column separator
   characters in cell data. A warning message will be printed to STDOUT

docs/parsers/df.md

@@ -120,4 +120,4 @@ Returns:
 ### Parser Information
 Compatibility:  linux, darwin, freebsd
 
-Version 1.9 by Kelly Brazil (kellyjonbrazil@gmail.com)
+Version 1.10 by Kelly Brazil (kellyjonbrazil@gmail.com)

jc/parsers/df.py

@@ -99,7 +99,7 @@ import jc.parsers.universal
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.9'
+    version = '1.10'
     description = '`df` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -208,7 +208,9 @@ def parse(data, raw=False, quiet=False):
     jc.utils.compatibility(__name__, info.compatible, quiet)
     jc.utils.input_type_check(data)
 
-    cleandata = data.splitlines()
+    # remove blank lines
+    cleandata = list(filter(None, data.splitlines()))
+
     fix_data = []
     raw_output = []
     filesystem_map = {}

tests/test_df.py

@@ -125,6 +125,13 @@ class MyTests(unittest.TestCase):
         """
         self.assertEqual(jc.parsers.df.parse(self.generic_df_long_filesystem, quiet=True), self.generic_df_long_filesystem_json)
 
+    def test_df_centos_7_7_trailing_newline(self):
+        """
+        Test plain 'df' on Centos 7.7 with a trailing newline
+        """
+        cmd_output = self.centos_7_7_df + '\n'
+        self.assertEqual(jc.parsers.df.parse(cmd_output, quiet=True), self.centos_7_7_df_json)
+
 
 if __name__ == '__main__':
     unittest.main()