fix flake8; add mosquitto2mqtt script

jdk.py

@@ -15,7 +15,8 @@ def fetch_java_version():
     args = cmd.split(" ")
 
     try:
-        proc = subprocess.check_output(args, stderr=subprocess.STDOUT, universal_newlines=True)
+        proc = subprocess.check_output(
+            args, stderr=subprocess.STDOUT, universal_newlines=True)
         proc = proc.splitlines()
         for line in proc:
             lines.append(line.rstrip())
@@ -36,7 +37,8 @@ def get_vendor_version():
         exp_zulu = re.compile(r"zulu (\d+(\.\d+){1,})")
 
         vendor = "zulu"
-        version = "%s-jdk%s" % (exp_zulu.search(line).group(1), exp_jdk.search(line).group())
+        version = "%s-jdk%s" % (exp_zulu.search(line).group(1),
+                                exp_jdk.search(line).group())
     else:
         exp = re.compile(r"(\d+(\.\d+){1,})")
         version = exp.search(line).group()
@@ -52,7 +54,7 @@ def main():
         result.update(vendor=vendor)
         result.update(version=version)
         result.update(error=False)
-    except OSError as e:
+    except OSError:
         result.update(vendor="nobody")
         result.update(version="0.0.0")
         result.update(error=False)

nodejs.py

@@ -15,7 +15,8 @@ def fetch_nodejs_version():
     args = cmd.split(" ")
 
     try:
-        proc = subprocess.check_output(args, stderr=subprocess.STDOUT, universal_newlines=True)
+        proc = subprocess.check_output(
+            args, stderr=subprocess.STDOUT, universal_newlines=True)
         proc = proc.splitlines()
         for line in proc:
             lines.append(line.rstrip())
@@ -36,7 +37,7 @@ def main():
         version = fetch_nodejs_version()
         result.update(version=version)
         result.update(error=False)
-    except OSError as e:
+    except OSError:
         result.update(version="0.0.0")
         result.update(error=False)
     except Exception as e:

zigbee2mqtt.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python2.7
+# -*- coding: UTF-8 -*-
+
+import re
+import json
+import subprocess
+
+from collections import defaultdict
+
+
+def fetch_zigbee2mqtt_version():
+    lines = []
+
+    cmd = "git describe --tags"
+    args = cmd.split(" ")
+
+    try:
+        proc = subprocess.check_output(
+            args, stderr=subprocess.STDOUT, universal_newlines=True,
+            cwd="/opt/zigbee2mqtt")
+        proc = proc.splitlines()
+        for line in proc:
+            lines.append(line.rstrip())
+
+        exp = re.compile(r"(\d+(\.\d+){1,})")
+        version = exp.search(lines[0]).group()
+
+    except Exception:
+        raise
+
+    return version
+
+
+def main():
+    result = defaultdict(dict)
+
+    try:
+        version = fetch_zigbee2mqtt_version()
+        result.update(version=version)
+        result.update(error=False)
+    except OSError:
+        result.update(version="0.0.0")
+        result.update(error=False)
+    except Exception as e:
+        result.update(error=True)
+        result.update(message=str(e))
+
+    print(json.dumps(result))
+
+
+if __name__ == "__main__":
+    main()