Add examples for snmp, snmp6, softirqs, and vmstat

Signed-off-by: Mattias Andrée <maandree@kth.se>

5 files changed, 247 insertions, 4 deletions

diff --git a/TODO b/TODO
index 1a14bb4..21a8120 100644
--- a/TODO
+++ b/TODO
@@ -41,11 +41,7 @@ List of plugins to implement:
 Demo plugins:
 
      linereader
-     snmp6
-     snmp
-     softirqs
      solar
-     vmstat
      weather
      hdparm
 
diff --git a/examples/plugins/snmp b/examples/plugins/snmp
new file mode 100644
index 0000000..69adfc8
--- /dev/null
+++ b/examples/plugins/snmp
@@ -0,0 +1,57 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014, 2015, 2016  Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
+
+# A xpybar configuration example testing the features of plugins.alsa
+
+import time
+import threading
+
+from plugins.snmp import SNMP
+from plugins.clock import Clock
+
+
+OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 24, True
+
+SCROLL_UP = 4
+SCROLL_DOWN = 5
+
+clock = Clock(sync_to = 2 * Clock.SECONDS)
+
+keys = SNMP().keys
+index = 0
+
+start_ = start
+def start():
+    start_()
+    async(lambda : clock.continuous_sync(lambda : bar.invalidate()))
+
+def redraw():
+    text = '%s: %i' % (keys[index], SNMP()[keys[index]])
+    bar.clear()
+    bar.draw_coloured_text(0, 10, 0, 2, text)
+
+def unhandled_event(e):
+    global index
+    if isinstance(e, Xlib.protocol.event.ButtonPress):
+        if e.detail == SCROLL_UP:
+            index = min(index + 1, len(keys) - 1)
+        elif e.detail == SCROLL_DOWN:
+            index = max(index - 1, 0)
+        bar.invalidate()
+
diff --git a/examples/plugins/snmp6 b/examples/plugins/snmp6
new file mode 100644
index 0000000..5009ed4
--- /dev/null
+++ b/examples/plugins/snmp6
@@ -0,0 +1,57 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014, 2015, 2016  Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
+
+# A xpybar configuration example testing the features of plugins.alsa
+
+import time
+import threading
+
+from plugins.snmp6 import SNMP6
+from plugins.clock import Clock
+
+
+OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 24, True
+
+SCROLL_UP = 4
+SCROLL_DOWN = 5
+
+clock = Clock(sync_to = 2 * Clock.SECONDS)
+
+keys = SNMP6().keys
+index = 0
+
+start_ = start
+def start():
+    start_()
+    async(lambda : clock.continuous_sync(lambda : bar.invalidate()))
+
+def redraw():
+    text = '%s: %i' % (keys[index], SNMP6()[keys[index]])
+    bar.clear()
+    bar.draw_coloured_text(0, 10, 0, 2, text)
+
+def unhandled_event(e):
+    global index
+    if isinstance(e, Xlib.protocol.event.ButtonPress):
+        if e.detail == SCROLL_UP:
+            index = min(index + 1, len(keys) - 1)
+        elif e.detail == SCROLL_DOWN:
+            index = max(index - 1, 0)
+        bar.invalidate()
+
diff --git a/examples/plugins/softirqs b/examples/plugins/softirqs
new file mode 100644
index 0000000..0d1aee1
--- /dev/null
+++ b/examples/plugins/softirqs
@@ -0,0 +1,76 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014, 2015, 2016  Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
+
+# A xpybar configuration example testing the features of plugins.alsa
+
+import time
+import threading
+
+from plugins.softirqs import SoftIRQs
+from plugins.clock import Clock
+
+
+OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 24, True
+
+SCROLL_UP = 4
+SCROLL_DOWN = 5
+
+clock = Clock(sync_to = Clock.SECONDS)
+
+last_irqs = SoftIRQs()
+last_time = time.monotonic()
+index = 0
+keys = last_irqs.keys
+label = keys[index]
+make_label = lambda l : ''.join(w[0] + w[1:].lower() for w in l.split('_')).replace('Tx', '↑').replace('Rx', '↓')
+xlabel = make_label(label)
+cpus = len(last_irqs[label])
+hz = lambda n, l, t : '%.fHz' % ((n - l) / t)
+
+start_ = start
+def start():
+    start_()
+    async(lambda : clock.continuous_sync(lambda : bar.invalidate()))
+
+def redraw():
+    global last_irqs, last_time
+    irqs = SoftIRQs()
+    now = time.monotonic()
+    t, n, l = now - last_time, irqs[label], last_irqs[label]
+    sn, sl = sum(n), sum(l)
+    text = '%s: %s : %s(%s)' % (xlabel, ' '.join(hz(*nl, t) for nl in zip(n, l)),
+                                hz(sn, sl, t), hz(sn / cpus, sl / cpus, t))
+    last_irqs = irqs
+    last_time = now
+    bar.clear()
+    bar.draw_coloured_text(0, 10, 0, 2, text)
+
+def unhandled_event(e):
+    global index, label, xlabel
+    if isinstance(e, Xlib.protocol.event.ButtonPress):
+        if e.detail == SCROLL_UP:
+            index = min(index + 1, len(keys) - 1)
+            label = keys[index]
+            xlabel = make_label(label)
+        elif e.detail == SCROLL_DOWN:
+            index = max(index - 1, 0)
+            label = keys[index]
+            xlabel = make_label(label)
+        bar.invalidate()
+
diff --git a/examples/plugins/vmstat b/examples/plugins/vmstat
new file mode 100644
index 0000000..0ae1903
--- /dev/null
+++ b/examples/plugins/vmstat
@@ -0,0 +1,57 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014, 2015, 2016  Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
+
+# A xpybar configuration example testing the features of plugins.alsa
+
+import time
+import threading
+
+from plugins.vmstat import VMStat
+from plugins.clock import Clock
+
+
+OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 24, True
+
+SCROLL_UP = 4
+SCROLL_DOWN = 5
+
+clock = Clock(sync_to = 0.5 * Clock.SECONDS)
+
+keys = VMStat().keys
+index = 0
+
+start_ = start
+def start():
+    start_()
+    async(lambda : clock.continuous_sync(lambda : bar.invalidate()))
+
+def redraw():
+    text = '%s: %i' % (''.join(w[0].upper() + w[1:] for w in keys[index].split('_')), VMStat()[keys[index]])
+    bar.clear()
+    bar.draw_coloured_text(0, 10, 0, 2, text)
+
+def unhandled_event(e):
+    global index
+    if isinstance(e, Xlib.protocol.event.ButtonPress):
+        if e.detail == SCROLL_UP:
+            index = min(index + 1, len(keys) - 1)
+        elif e.detail == SCROLL_DOWN:
+            index = max(index - 1, 0)
+        bar.invalidate()
+