add jobs parser

changelog.txt

@@ -1,5 +1,11 @@
 jc changelog
 
+2019xxxx v0.9.0
+- No blocking if no piped data
+- Better help text
+- Add jobs parser
+- Clean up iptables parser code
+
 20191022 v0.8.1
 - Add env parser
 - Add df parser

jc/jc.py

@@ -11,6 +11,7 @@ import jc.parsers.env
 import jc.parsers.free
 import jc.parsers.ifconfig
 import jc.parsers.iptables
+import jc.parsers.jobs
 import jc.parsers.ls
 import jc.parsers.lsblk
 import jc.parsers.mount
@@ -28,6 +29,7 @@ def helptext():
     print('        --free       free parser', file=sys.stderr)
     print('        --ifconfig   iconfig parser', file=sys.stderr)
     print('        --iptables   iptables parser', file=sys.stderr)
+    print('        --jobs       jobs parser', file=sys.stderr)
     print('        --ls         ls parser', file=sys.stderr)
     print('        --lsblk      lsblk parser', file=sys.stderr)
     print('        --mount      mount parser', file=sys.stderr)
@@ -70,6 +72,9 @@ def main():
     elif '--iptables' in sys.argv:
         result = jc.parsers.iptables.parse(data)
 
+    elif '--jobs' in sys.argv:
+        result = jc.parsers.jobs.parse(data)
+
     elif '--ls' in sys.argv:
         result = jc.parsers.ls.parse(data)
 

jc/parsers/jobs.py

@@ -0,0 +1,72 @@
+"""jc - JSON CLI output utility jobs Parser
+
+Usage:
+    specify --jobs as the first argument if the piped input is coming from jobs
+
+Examples:
+
+
+"""
+
+
+import string
+
+
+def parse(data):
+    output = []
+
+    linedata = data.splitlines()
+
+    # Clear any blank lines
+    cleandata = list(filter(None, linedata))
+
+    if cleandata:
+
+        for entry in cleandata:
+            output_line = {}
+            remainder = []
+            job_number = ''
+            pid = ''
+            job_history = ''
+
+            parsed_line = entry.split(maxsplit=2)
+
+            # check if -l was used
+            if parsed_line[1][0] in string.digits:
+                pid = parsed_line.pop(1)
+                remainder = parsed_line.pop(1)
+                job_number = parsed_line.pop(0)
+                remainder = remainder.split(maxsplit=1)
+                
+                # rebuild parsed_line
+                parsed_line = []
+
+                for r in remainder:
+                    parsed_line.append(r)
+
+                parsed_line.insert(0, job_number)
+
+            # check for + or - in first field
+            if parsed_line[0].find('+') != -1:
+                job_history = 'current'
+                parsed_line[0] = parsed_line[0].rstrip('+')
+
+            if parsed_line[0].find('-') != -1:
+                job_history = 'previous'
+                parsed_line[0] = parsed_line[0].rstrip('-')
+
+            # clean up first field
+            parsed_line[0] = parsed_line[0].lstrip('[').rstrip(']')
+
+            # create list of dictionaries
+            output_line['job_number'] = int(parsed_line[0])
+            if pid:
+                output_line['pid'] = int(pid)
+            if job_history:
+                output_line['history'] = job_history
+            output_line['status'] = parsed_line[1]
+            output_line['command'] = parsed_line[2]
+
+            output.append(output_line)
+
+    return output