Merge pull request #497 from somospocos/module-hddtemp

hddtemp module

bumblebee/modules/hddtemp.py

@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+
+"""Fetch hard drive temeperature data from a hddtemp daemon
+that runs on localhost and default port (7634)
+"""
+
+import socket
+
+import bumblebee.engine
+import bumblebee.output
+
+HOST = "localhost"
+PORT = 7634
+
+CHUNK_SIZE = 1024
+RECORD_SIZE = 5
+SEPARATOR = "|"
+
+
+class Module(bumblebee.engine.Module):
+    def __init__(self, engine, config):
+        widget = bumblebee.output.Widget(full_text=self.hddtemps)
+        super(Module, self).__init__(engine, config, widget)
+        self._hddtemps = self._get_hddtemps()
+
+    def hddtemps(self, __):
+        return self._hddtemps
+
+    def _fetch_data(self):
+        """fetch data from hddtemp service"""
+        try:
+            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+                sock.connect((HOST, PORT))
+                data = ""
+                while True:
+                    chunk = sock.recv(CHUNK_SIZE)
+                    if chunk:
+                        data += str(chunk)
+                    else:
+                        break
+            return data
+        except (AttributeError, socket.error) as e:
+            pass
+
+    @staticmethod
+    def _get_parts(data):
+        """
+            split data using | separator and remove first item
+            (because the first item is empty)
+        """
+        parts = data.split("|")[1:]
+        return parts
+
+    @staticmethod
+    def _partition_parts(parts):
+        """
+            partition parts: one device record is five (5) items
+        """
+        per_disk = [parts[i:i+RECORD_SIZE]
+                    for i in range(len(parts))[::RECORD_SIZE]]
+        return per_disk
+
+    @staticmethod
+    def _get_name_and_temp(device_record):
+        """
+            get device name (without /dev part, to save space on bar)
+            and temperature (in °C) as tuple
+        """
+        device_name = device_record[0].split("/")[-1]
+        device_temp = device_record[2]
+        return (device_name, device_temp)
+
+    @staticmethod
+    def _get_hddtemp(device_record):
+        name, temp = device_record
+        hddtemp = "{}+{}°C".format(name, temp)
+        return hddtemp
+
+    def _get_hddtemps(self):
+        data = self._fetch_data()
+        if data is None:
+            return "n/a"
+        parts = self._get_parts(data)
+        per_disk = self._partition_parts(parts)
+        names_and_temps = [self._get_name_and_temp(x) for x in per_disk]
+        hddtemps = [self._get_hddtemp(x) for x in names_and_temps]
+        return SEPARATOR.join(hddtemps)
+
+    def update(self, __):
+        self._hddtemps = self._get_hddtemps()

tests/modules/test_hddtemp.py

@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+
+import mock
+import unittest
+
+from bumblebee.config import Config
+import bumblebee.modules.hddtemp
+
+
+class TestHddtempModule(unittest.TestCase):
+    def setUp(self):
+        config = Config()
+        self.module = bumblebee.modules.hddtemp.Module(
+            engine=mock.Mock(), config={"config": config})
+        self.data_line = "|/dev/sda|TOSHIBA DT01ACA100                      <20>|35|C||/dev/sdb|TOSHIBA DT01ACA100                      <20>|37|C|"
+        self.expected_parts = [
+            "/dev/sda",
+            "TOSHIBA DT01ACA100                      <20>",
+            "35",
+            "C",
+            "",
+            "/dev/sdb",
+            "TOSHIBA DT01ACA100                      <20>",
+            "37",
+            "C",
+            ""]
+        self.expected_per_disk = [
+            ["/dev/sda",
+             "TOSHIBA DT01ACA100                      <20>",
+             "35",
+             "C",
+             ""],
+            ["/dev/sdb",
+             "TOSHIBA DT01ACA100                      <20>",
+             "37",
+             "C",
+             ""]]
+        self.device_record = self.expected_per_disk[0]
+        self.expected_name_and_temp = ("sda", "35")
+        self.expected_hddtemp = "sda+35°C"
+
+    def test_get_parts(self):
+        self.assertEqual(
+            self.expected_parts, self.module._get_parts(self.data_line))
+
+    def test_partition_parts(self):
+        self.assertEqual(
+            self.expected_per_disk,
+            self.module._partition_parts(self.expected_parts))
+
+    def test_get_name_and_temp(self):
+        self.assertEqual(
+            self.expected_name_and_temp,
+            self.module._get_name_and_temp(self.device_record))
+
+    def test_get_hddtemp(self):
+        self.assertEqual(
+            self.expected_hddtemp,
+            self.module._get_hddtemp(self.expected_name_and_temp))

themes/icons/ascii.json

@@ -349,5 +349,8 @@
       "off": { "prefix": "pom" },
       "paused": { "prefix": "||" },
       "on": { "prefix": " >" }
+  },
+  "hddtemp": {
+        "prefix": "hddtemp"
   }
 }

themes/icons/awesome-fonts.json

@@ -251,5 +251,6 @@
       "paused": { "prefix": "" },
       "work": { "prefix": "" },
       "break": { "prefix": "" }
-  }
+  },
+  "hddtemp": { "prefix": "" }
 }