* start refactoring check_printer.py

.gitignore

@@ -87,3 +87,4 @@ ENV/
 
 # Rope project settings
 .ropeproject
+.idea/

src/check_printer.md

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+# Check Printer supplies.
+
+Monitors your printer supplies fill state. Tested with an OKI printer, but should work with many IP printers supporting SNMP.
+
+## Prequisites
+
+* Python 2.7 (not tested on other versions, please give feedback)
+* nagiosplugin (install with 'pip install nagiosplugin')
+* pysnmp (install with 'pip install pysnmp')
+* Icinga2, Nagios, ... server.
+
+## Usage: check_printer.py [options] 
+
+```
+For "Percent" measurements (e.g. toner):
+--percentWarn=RANGE 
+warning threshold (default: 40%) 
+--percentCrit=RANGE 
+critical threshold (default: 20%) 
+For "Impressions" measurements (e.g. transferUnit):
+--impressionWarn=RANGE 
+warning threshold for "impressions" (default: 500) 
+--impressionCrit=RANGE 
+critical threshold for "impressions"  (default: 250) 
+All other measure-units will be calculated in % and compared to these thresholds:
+-w RANGE, --warning=RANGE 
+warning threshold (default: 20%) 
+-c RANGE, --critical=RANGE 
+critical threshold (default: 10%) 
+-i STRING, --host=STRING 
+host name or ip of printer
+-u STRING, --user=STRING 
+community name (default: public)
+```
+
+Tested on Python 2.7 with nagiosplugin 1.2.4
+
+## DOWNLOAD: 
+
+* [Get latest version from here](https://raw.githubusercontent.com/LaggAt/LaggAt-Nagioschecks/master/src/check_printer.py)

src/check_printer.py

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+# pip install pysnmp
+
+import pprint
+from pysnmp.hlapi import *
+
+# https://developer.apple.com/library/content/technotes/tn2144/_index.html
+supplies_table = "1.3.6.1.2.1.43.11.1.1"
+supplies_types = {
+    1 : 'other',
+    2 : 'unknown',
+    3 : 'toner',
+    4 : 'wasteToner',
+    5 : 'ink',
+    6 : 'inkCartridge',
+    7 : 'inkRibbon',
+    8 : 'wasteInk',
+    9 : 'opc',
+    10 : 'developer',
+    11 : 'fuserOil',
+    12 : 'solidWax',
+    13 : 'ribbonWax',
+    14 : 'wasteWax',
+    15 : 'fuser',
+    16 : 'coronaWire',
+    17 : 'fuserOilWick',
+    18 : 'cleanerUnit',
+    19 : 'fuserCleaningPad',
+    20 : 'transferUnit',
+    21 : 'tonerCartridge',
+    22 : 'fuserOiler',
+    23 : 'water',
+    24 : 'wasteWater',
+    25 : 'glueWaterAdditive',
+    26 : 'wastePaper',
+    27 : 'bindingSupply',
+    28 : 'bandingSupply',
+    29 : 'stitchingWire',
+    30 : 'shrinkWrap',
+    31 : 'paperWrap',
+    32 : 'staples',
+    33 : 'inserts',
+    34 : 'covers',
+}
+supplies_units = {
+    1: 'other',
+    2: 'unknown',
+    3: 'tenThousandthsOfInches',
+    4: 'micrometers',
+    7: 'impressions',
+    8: 'sheets',
+    11: 'hours',
+    12: 'thousandthsOfOunces',
+    13: 'tenthsOfGrams',
+    14: 'hundrethsOfFluidOunces',
+    15: 'tenthsOfMilliliters',
+    16: 'feet',
+    17: 'meters',
+    18: 'items',
+    19: 'percent',
+}
+
+supplies_usage = []
+for (errorIndication, errorStatus, errorIndex, varBinds) in nextCmd(SnmpEngine(),
+        CommunityData('public', mpModel=0),
+        UdpTransportTarget(('192.168.144.200', 161)),
+        ContextData(),
+        ObjectType(ObjectIdentity(supplies_table + '.5')), # type
+        ObjectType(ObjectIdentity(supplies_table + '.6')), # description
+        ObjectType(ObjectIdentity(supplies_table + '.7')), # unit
+        ObjectType(ObjectIdentity(supplies_table + '.8')), # capacity
+        ObjectType(ObjectIdentity(supplies_table + '.9')), # level
+        lexicographicMode=False):
+    if errorIndication:
+        print(errorIndication)
+    else:
+        if errorStatus:
+            print('%s at %s' % (
+                errorStatus.prettyPrint(),
+                errorIndex and varBinds[-1][int(errorIndex) - 1] or '?'
+            ))
+        else:
+            it = {
+                'type': supplies_types[ varBinds[0][1] ],
+                'description': varBinds[1][1],
+                'unit': supplies_units[ varBinds[2][1] ],
+                'capacity': varBinds[3][1],
+                'level': varBinds[4][1]
+                }
+            it['percent_available'] = float(it['level']) / float(it['capacity']) * float(100)
+            supplies_usage.append( it )
+
+pprint.pprint(supplies_usage)
+pass