Updated to take care of more batteries, no fixed paths

i3-switcher.py

@@ -7,6 +7,7 @@ import datetime
 import time
 import select
 import os.path as path
+import glob
 from operator import itemgetter
 import ipc
 import alsaaudio
@@ -65,42 +66,65 @@ def main(argv=None):
         # But Pulse shifts Alsa Master, so this is good enough
         # However, Pulse does not use Alsa mute knob, so that will
         # work only on Alsa
-        mixer = alsaaudio.Mixer()
-        mix_vol = mixer.getvolume()[0]
-        mix_mute = bool(mixer.getmute()[0])
-        mix_chars = u" ▁▂▃▄▅▆▇█"
-        mix_chars_scale = mix_vol*8//100
-        out.append({
-            u"name": u"volume",
-            u"full_text": u"♪%s" % mix_chars[mix_chars_scale],
-            u"color": u"#666666" if mix_mute else u"#6666FF"
-        })
-
-        # Battery
-        try:
-            batt_sys_path = "/sys/bus/acpi/drivers/battery/PNP0C0A:00/power_supply/BAT0"
-            ac_sys_path = "/sys/bus/acpi/drivers/ac/ACPI0003:00/power_supply/AC"
-            batt_max = int(open(path.join(batt_sys_path, "charge_full"), "r").read())
-            batt_now = int(open(path.join(batt_sys_path, "charge_now"), "r").read())
-            batt_status = open(path.join(batt_sys_path, "status"), "r").read().strip()
-            ac_online = int(open(path.join(ac_sys_path, "online"), "r").read())
-            if batt_status=="Charging":
-                batt_char = u"↑"
-            elif batt_status=="Discharging":
-                batt_char = u"↓"
-            elif batt_status=="Full":
-                batt_char = u"F"
-            else:
-                batt_char = u" "
-            batt_perc = 100*batt_now//batt_max
-            batt_col = 255*batt_now//batt_max
+        for cardid in range(256):
+            try:
+                mixer = alsaaudio.Mixer(cardindex=cardid)
+                if mixer:
+                    break
+            except alsaaudio.ALSAAudioError:
+                mixer = None
+        if mixer:
+            mix_vol = mixer.getvolume()[0]
+            mix_mute = bool(mixer.getmute()[0])
+            mix_chars = u" ▁▂▃▄▅▆▇█"
+            mix_chars_scale = mix_vol*8//100
             out.append({
-                u"name": u"battery",
-                u"full_text": u"%s%s%3s" % (u"↯" if ac_online else u" ", batt_char, str(batt_perc)+"%" if batt_status!="Full" else "ull"),
-                u"color": u"#00FFFF" if batt_status=="Full" else u"#%2x%2x%%00" % (255-batt_col/2, batt_col)
+                u"name": u"volume",
+                u"full_text": u"♪%s" % mix_chars[mix_chars_scale],
+                u"color": u"#666666" if mix_mute else u"#6666FF"
             })
-        except IOError:
-            pass
+
+        # Battery
+        for ac_sys_path in glob.glob("/sys/bus/acpi/drivers/ac/*/power_supply/*"):
+            try:
+                ac_online = int(open(path.join(ac_sys_path, "online"), "r").read())
+                if ac_online:
+                    out.append({
+                        u"name": ac_sys_path,
+                        u"full_text": u"↯",
+                        u"color": u"#00FFFF"
+                    })
+            except IOError:
+                pass
+
+        for batt_sys_path in glob.glob("/sys/bus/acpi/drivers/battery/*/power_supply/*"):
+            try:
+                try:
+                    batt_max = int(open(path.join(batt_sys_path, "charge_full"), "r").read())
+                    batt_now = int(open(path.join(batt_sys_path, "charge_now"), "r").read())
+                except IOError:
+                    batt_max = int(open(path.join(batt_sys_path, "energy_full"), "r").read())
+                    batt_now = int(open(path.join(batt_sys_path, "energy_now"), "r").read())                
+                batt_status = open(path.join(batt_sys_path, "status"), "r").read().strip()
+                ac_online = int(open(path.join(ac_sys_path, "online"), "r").read())
+                if batt_status=="Charging":
+                    batt_char = u"↑"
+                elif batt_status=="Discharging":
+                    batt_char = u"↓"
+                elif batt_status=="Full":
+                    batt_char = u""
+                else:
+                    batt_char = u" "
+                batt_perc = 100*batt_now//batt_max
+                batt_col = 255*batt_now//batt_max
+                battstr = u"%s%3s" % (batt_char, str(batt_perc)+"%" if batt_status!="Full" else "Full")
+                out.append({
+                    u"name": batt_sys_path,
+                    u"full_text": battstr,
+                    u"color": u"#00FFFF" if batt_status=="Full" else u"#%2x%2x%%00" % (255-batt_col/2, batt_col)
+                })
+            except IOError:
+                pass
 
         # Date/time
         out.append({"name": "datetime", "full_text": datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), "short_text": "short", "color": "%06x" % color})