Config, Lots of docs, Format

Added a config validator and documented code that was previously
undocumented, for the plot_generator scripts, documented them.

plot_generator/plot_generator.py

@@ -4,29 +4,36 @@ import matplotlib.pyplot as plt
 import csv
 import os
 
+# Get user input for various data
 path = input("Path to csv-file to be plotted: ")
+print("For the below, it is recommended to enter data in this format: yyyy-mm-dd-hh-mm")
 date = input("Date & time at which the measurement was taken (approx.): ")
 group = input("Group-name: ")
 saveit = input("Should the graph be saved? (y/n) ").lower()
 
 imp = open(path, "r")
-reader = csv.reader(imp, delimiter=',')
-rohdaten = list(reader)
-lenght = len(rohdaten)
+reader = csv.reader(imp, delimiter=",")
+data = list(reader)
 x = []
 y = []
-for i in range(lenght):
-    extract = rohdaten.pop(0)
+for i in range(len(data)):
+    # Extract the data
+    extract = data.pop(0)
     x.append(float(extract.pop(0)))
     y.append(float(extract.pop(0)))
 
+# Set up plot
 plt.plot(x, y, color="MAGENTA")
 plt.xlabel("Time")
 plt.ylabel("Voltage")
-title = f"GC - Biogasanlage {date}"
-plt.title(title)
+
+plt.title(f"GC - Biogasanlage {date}")
 plt.grid(True)
-if saveit == "y":
+
+# Check if user wants to save the image
+if saveit == "n":
+    print("didn't save images")
+else:
     pos = 0
     for letter in path[::-1]:
         if letter == "/":
@@ -40,11 +47,7 @@ if saveit == "y":
         os.mkdir(save_path)
     except FileExistsError:
         pass
-    plt.savefig(save_path)
-    os.rename(f"{save_path}/.png", f"{save_path}/GC-{date}-{group}.png")
-    print(f"saved images to {save_path}")
-else:
-    print("didn't save images")
+    plt.savefig(f"{save_path}/GC-{date}-{group}.png")
+
+    print(f"Saved images to {save_path}")
 plt.show()
-
-