Converting Python scripts to classes

cinnamon-dynamic-wallpaper@TobiZog/5.4/preferences/scripts/time_bar_chart.py

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+import math
+
+class Time_Bar_Chart:
+  def __init__(self) -> None:
+    self.image_code = []
+
+    self.colors = [
+        "00193d", 
+        "05597f", 
+        "54babf", 
+        "bfe3c2", 
+        "ffbf6b", 
+        "fdb55c", 
+        "f37f73", 
+        "b45bbc", 
+        "7e38ce", 
+        "00285f"
+      ]
+
+    self.bar_pos_x = []
+
+
+  def create_bar_chart(self, image_width: int, image_height: int, times: list):
+    """ Create a time bar chart
+
+    Args:
+        image_width (int): Width of the image in pixel
+        image_height (int): Height of the image in pixel
+        times (list): List of start times of the periods in minutes since midnight
+    """
+    self.create_bar(image_width, image_height, times)
+    self.create_polylines(image_width, image_height)
+    self.create_time_markers(image_width, image_height)
+
+    # Write to file
+    self.image_code.insert(0, '<svg xmlns="http://www.w3.org/2000/svg" width="%s" height="%s">' % (image_width, image_height))
+    self.image_code.append('</svg>')
+    
+    file = open("time_bar.svg", "w")
+    for i in self.image_code:
+      file.write(i + '\n')
+
+
+  def create_bar(self, image_width: int, image_height: int, times: list):
+    """ Generates the code for the horizontal multi-color bar chart
+
+    Args:
+        image_width (int): Total width of the image
+        image_height (int): Total height of the image
+        times (list): List of start times of the periods, in minutes
+    """
+    x = 0
+    y = 40
+    width = 0
+    height = image_height - 80
+    times.append(1440)
+
+    # Adding the bar parts
+    for i in range(1, len(times)):
+      width = math.ceil((((100 / 1440) * (times[i] - times[i - 1]) / 100) * image_width))
+
+      self.image_code.append(
+        '<rect fill="#%s" x="%s" y="%s" width="%s" height="%s"/>' % (self.colors[i - 1], x, y, width, height)
+      )
+
+      self.bar_pos_x.append(x)
+      x += width
+
+
+  def create_time_markers(self, image_width: int, image_height: int):
+    """ Generates the code for the vertical hour markers
+
+    Args:
+        image_width (int): Total width of the image
+        image_height (int): Total height of the image
+    """
+    for i in range(0, 8):
+      self.image_code.append(
+        '<line x1="%s" y1="40" x2="%s" y2="%s" stroke="gray" stroke-width="2" />' %
+          (i * (image_width // 8), i * (image_width // 8), image_height - 40)
+      )
+      
+      self.image_code.append(
+        '<text x="%s" y="%s" fill="gray" font-size="20" font-family="Liberation Sans">%s</text>' %
+          (i * (image_width // 8) + 5, image_height - 45, i * 3)
+      )
+
+
+  def create_polylines(self, image_width: int, image_height: int):
+    """ Generates the code for the polylines which connect the images with the bar sections
+
+    Args:
+        image_width (int): Total width of the image
+        image_height (int): Total height of the image
+    """
+    bar_x_start = 0
+
+    self.bar_pos_x.append(image_width)
+    
+    for i in range(0, len(self.bar_pos_x) - 1):
+      # X-Middle of a bar
+      bar_mid = bar_x_start + (self.bar_pos_x[i + 1] - bar_x_start) / 2
+
+      # Position of the image in the window
+      image_x = (image_width - 32) / 10 + ((i // 2) % 5) * image_width / 5
+    
+      # i == 0, 2, 4, ... => Upper Polylines
+      if (i % 2 == 0):
+        polyline_y = 0
+      else:
+        polyline_y = image_height
+
+      if i == 0 or i == 8:
+        polyline_x = 30
+      elif i == 2 or i == 6:
+        polyline_x = 20
+      elif i == 1 or i == 9:
+        polyline_x = image_height - 30
+      elif i == 3 or i == 7:
+        polyline_x = image_height - 20
+      elif i == 5:
+        polyline_x = image_height - 10
+      else:
+        polyline_x = 10
+      
+      self.image_code.append(
+        '<polyline points="%s,%s %s,%s %s,%s %s,%s" stroke="#%s" fill="none" stroke-width="5" />' % 
+          (image_x, polyline_y, image_x, polyline_x, bar_mid, polyline_x, bar_mid, image_height / 2, self.colors[i])
+      )
+
+      # Store the end point of the bar as start point of the next
+      bar_x_start = self.bar_pos_x[i + 1]