From 8de7bc714859cd3c2d66c7e724a2b13cb753fa4a Mon Sep 17 00:00:00 2001
From: cawand <39776867+cawand@users.noreply.github.com>
Date: Wed, 1 Aug 2018 14:50:53 -0700
Subject: [PATCH] Show line implementation (#285)

---
 consutil/lib.py  | 16 ++++++++--------
 consutil/main.py | 23 ++++++++++++++++++++---
 show/main.py     |  5 ++---
 3 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/consutil/lib.py b/consutil/lib.py
index 0617acf5eb40..da438c5f9240 100644
--- a/consutil/lib.py
+++ b/consutil/lib.py
@@ -29,14 +29,6 @@ def run_command(cmd):
         sys.exit(ERR_CMD)
     return output
 
-# exits if inputted line number does not correspond to a device
-# input: linenum
-def checkDevice(linenum):
-    devices = getAllDevices()
-    if DEVICE_PREFIX + str(linenum) not in devices:
-        click.echo("Line number {} does not exist".format(linenum))
-        sys.exit(ERR_DEV)
-
 # returns a sorted list of all devices (whose name matches DEVICE_PREFIX)
 def getAllDevices():
     cmd = "ls " + DEVICE_PREFIX + "*"
@@ -48,6 +40,14 @@ def getAllDevices():
     
     return devices
 
+# exits if inputted line number does not correspond to a device
+# input: linenum
+def checkDevice(linenum):
+    devices = getAllDevices()
+    if DEVICE_PREFIX + str(linenum) not in devices:
+        click.echo("Line number {} does not exist".format(linenum))
+        sys.exit(ERR_DEV)
+
 # returns a dictionary of busy devices and their info
 #     maps line number to (pid, process start time)
 def getBusyDevices():
diff --git a/consutil/main.py b/consutil/main.py
index 8fc1970aadc8..036cf329ad3b 100644
--- a/consutil/main.py
+++ b/consutil/main.py
@@ -9,6 +9,7 @@
     import click
     import re
     import subprocess
+    from tabulate import tabulate
 except ImportError as e:
     raise ImportError("%s - required module not found" % str(e))
 
@@ -22,9 +23,25 @@ def consutil():
 
 # 'show' subcommand
 @consutil.command()
-def line():
-    """Show all /dev/ttyUSB lines"""
-    click.echo("show line")
+def show():
+    """Show all /dev/ttyUSB lines and their info"""
+    devices = getAllDevices()
+    busyDevices = getBusyDevices()
+
+    header = ["Line", "Baud", "PID", "Start Time"]
+    body = []
+    for device in devices:
+        lineNum = device[11:]
+        busy = " "
+        pid = ""
+        date = ""
+        if lineNum in busyDevices:
+            pid, date = busyDevices[lineNum]
+            busy = "*"
+        baud = getBaud(lineNum)
+        body.append([busy+lineNum, baud, pid, date])
+        
+    click.echo(tabulate(body, header, stralign="right"))
 
 # 'clear' subcommand
 @consutil.command()
diff --git a/show/main.py b/show/main.py
index 14d2a17f00af..1899c83d7b11 100755
--- a/show/main.py
+++ b/show/main.py
@@ -1135,9 +1135,8 @@ def reboot_cause():
 @cli.command('line')
 def line():
     """Show all /dev/ttyUSB lines and their info"""
-    # TODO: Stub
-    return
-
+    cmd = "consutil show"
+    run_command(cmd, display_cmd=verbose)
 
 if __name__ == '__main__':
     cli()