added cpu frequency module

i3pystatus/cpu_freq.py

@@ -0,0 +1,25 @@
+from i3pystatus import IntervalModule
+
+
+class CpuFreq(IntervalModule):
+    format = "{avg}"
+    settings = (
+        "format",
+        ("color", "The text color"),
+        ("average", "Show average for every core"),
+        ("file", "override default path"),
+    )
+
+    file = '/proc/cpuinfo'
+    color = '#FFFFFF'
+
+    def run(self):
+        with open(self.file) as f:
+            mhz_values = [float(line.split(':')[1]) for line in f if line.startswith('cpu MHz')]
+
+        cdict = {"core{}".format(key): str(value) for key, value in enumerate(mhz_values)}
+        cdict['avg'] = str(sum(mhz_values) / len(mhz_values))
+
+        self.output = {
+            "full_text": self.format.format(**cdict),
+        }

tests/cpufreq01

@@ -0,0 +1,4 @@
+cpu MHz         : 1240.382
+cpu MHz         : 1236.828
+cpu MHz         : 1203.007
+cpu MHz         : 1264.859

tests/test_cpu_freq.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+
+import os
+from i3pystatus import cpu_freq
+
+
+def cpu_freq_test(tfpath, tformat, expected):
+    cf = cpu_freq.CpuFreq(file=os.path.join(os.path.dirname(__file__), tfpath), format=tformat)
+    cf.run()
+    assert cf.output["full_text"] == expected
+
+
+def test_basic():
+    cases = [
+        ('cpufreq01', '1240.382', '1236.828', '1203.007', '1264.859', '1236.269'),
+    ]
+    for path, core0, core1, core2, core3, avg in cases:
+        cpu_freq_test(path, "{avg}", avg)
+        cpu_freq_test(path, "{core0}", core0)
+        cpu_freq_test(path, "{core1}", core1)
+        cpu_freq_test(path, "{core2}", core2)
+        cpu_freq_test(path, "{core3}", core3)