Prusa slicer gcode script to allow preview

E3S1PROFORKBYTT_prusa_thumbnail.py

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+#!/usr/bin/env python3
+#
+# Prusa Slicer remove headers before jpg.
+#
+# This script has been developed for E3S1PROFORKBYTT by Thomas Toka.
+#
+#
+# ------------------------------------------------------------------------------
+
+import sys
+import os
+
+# Get the g-code source file name
+sourceFile = sys.argv[1]
+
+# Read the ENTIRE g-code file into memory
+with open(sourceFile, "r") as f:
+    lines = f.readlines()
+
+new_lines = []
+remove_next_line = False
+
+for line in lines:
+    if remove_next_line and line.strip() == ';':
+        remove_next_line = False
+        continue
+    if line.startswith('; generated by PrusaSlicer'):
+        remove_next_line = True
+    elif remove_next_line and line.strip() == '':
+        continue
+    else:
+        new_lines.append(line)
+
+try:
+    with open(sourceFile, "w+") as of:
+        of.write(''.join(new_lines))
+except:
+    print('Error writing output file')
+    input()
+finally:
+    of.close()
+    f.close()