[core] restructure to allow PIP packaging

OK - so I have to admit I *hate* the fact that PIP seems to require a
subdirectory named like the library.

But since the PIP package is something really nifty to have (thanks to
@tony again!!!), I updated the codebase to hopefully conform with what
PIP expects. Testruns so far look promising...

bumblebee_status/modules/contrib/nvidiagpu.py

@@ -0,0 +1,82 @@
+# -*- coding: utf-8 -*-
+
+"""Displays GPU name, temperature and memory usage.
+
+Parameters:
+   * nvidiagpu.format: Format string (defaults to '{name}: {temp}°C %{usedmem}/{totalmem} MiB')
+     Available values are: {name} {temp} {mem_used} {mem_total} {fanspeed} {clock_gpu} {clock_mem}
+
+Requires nvidia-smi
+
+contributed by `RileyRedpath <https://github.com/RileyRedpath>`_ - many thanks!
+"""
+
+import core.module
+import core.widget
+
+import util.cli
+import util.format
+
+
+class Module(core.module.Module):
+    def __init__(self, config, theme):
+        super().__init__(config, theme, core.widget.Widget(self.utilization))
+
+        self.__utilization = "Not found: 0 0/0"
+
+    def utilization(self, widget):
+        return self.__utilization
+
+    def hidden(self):
+        return "not found" in self.__utilization
+
+    def update(self):
+        sp = util.cli.execute("nvidia-smi -q", ignore_errors=True)
+
+        title = ""
+        usedMem = ""
+        totalMem = ""
+        temp = ""
+        name = "not found"
+        clockMem = ""
+        clockGpu = ""
+        fanspeed = ""
+        for item in sp.split("\n"):
+            try:
+                key, val = item.split(":")
+                key, val = key.strip(), val.strip()
+                if title == "Clocks":
+                    if key == "Graphics":
+                        clockGpu = val.split(" ")[0]
+                    elif key == "Memory":
+                        clockMem = val.split(" ")[0]
+                if title == "FB Memory Usage":
+                    if key == "Total":
+                        totalMem = val.split(" ")[0]
+                    elif key == "Used":
+                        usedMem = val.split(" ")[0]
+                elif key == "GPU Current Temp":
+                    temp = val.split(" ")[0]
+                elif key == "Product Name":
+                    name = val
+                elif key == "Fan Speed":
+                    fanspeed = val.split(" ")[0]
+
+            except:
+                title = item.strip()
+
+        str_format = self.parameter(
+            "format", "{name}: {temp}°C {mem_used}/{mem_total} MiB"
+        )
+        self.__utilization = str_format.format(
+            name=name,
+            temp=temp,
+            mem_used=usedMem,
+            mem_total=totalMem,
+            clock_gpu=clockGpu,
+            clock_mem=clockMem,
+            fanspeed=fanspeed,
+        )
+
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4