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POPlugins usually don't work, how do I debug?
 

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  1. POPlugins usually don't work, how do I debug?
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    <p>I am trying to write a plugin that will create a bitmap font. However, this is very frustrating to learn... while I am not familiar with python, it is not that hard to pick up and have not had problems with it outside of GIMP.</p> <p>Copied some of the code from: <a href="https://github.com/sole/snippets/blob/master/gimp/generate_bitmap_font/sole_generate_bitmap_font.py" rel="nofollow">https://github.com/sole/snippets/blob/master/gimp/generate_bitmap_font/sole_generate_bitmap_font.py</a> and from <a href="http://gimpbook.com/scripting/" rel="nofollow">http://gimpbook.com/scripting/</a></p> <p>Does work:</p> <pre><code>#!/usr/bin/env python # Hello World in GIMP Python from gimpfu import * def create_font(cwidth, cheight, font, size, color) : #Set GLOBAL char_begin = 32 char_end = 127 num_chars = char_end - char_begin # Figure out total width &amp; height """twidth = cwidth * 10 theight = cheight * 10 # Create Image img = gimp.Image(cwidth * 10, cheight * 10, RGB) img.disable_undo() # Save the current foreground color: pdb.gimp_context_push() # Set the text color &amp; background color gimp.set_foreground(color) gimp.set_background(0, 0, 0) # Create All Layers &amp; Position Accordingly for i in range(char_begin, char_end): string = '%c' % i offset = i - char_begin x_pos = offset * cwidth y_pos = offset * cheight text_layer = pdb.gimp_text_fontname(img, None, x_pos, y_pos, string, -1, False, size, PIXELS, font) gimp.progress_update(float(offset) / float(num_chars)) pdb.gimp_image_flatten(img) img.enable_undo() # Create a new image window gimp.Display(img) # Show the new image window gimp.displays_flush() # Restore the old foreground color: pdb.gimp_context_pop()""" register( "python_fu_bitmap_font", "Bitmap Font", "Create a new bitmap font", "*****", "*****", "2013", "Bitmap Font (Py)...", "", # Create a new image, don't work on an existing one [ (PF_SPINNER, "cwidth", "Cell Width", 24, (1, 3000, 1)), (PF_SPINNER, "cheight", "Cell Height", 51, (1, 3000, 1)), (PF_FONT, "font", "Font face", "Consolas"), (PF_SPINNER, "size", "Font size", 50, (1, 3000, 1)), (PF_COLOR, "color", "Text color", (1.0, 0.0, 0.0)) ], [], create_font, menu="&lt;Image&gt;/File/Create") main() </code></pre> <p>Does not work:</p> <pre><code>#!/usr/bin/env python # Hello World in GIMP Python from gimpfu import * def create_font(cwidth, cheight, font, size, color) : #Set GLOBAL char_begin = 32 char_end = 127 num_chars = char_end - char_begin # Figure out total width &amp; height twidth = cwidth * 10 theight = cheight * 10 # Create Image """img = gimp.Image(cwidth * 10, cheight * 10, RGB) img.disable_undo() # Save the current foreground color: pdb.gimp_context_push() # Set the text color &amp; background color gimp.set_foreground(color) gimp.set_background(0, 0, 0) # Create All Layers &amp; Position Accordingly for i in range(char_begin, char_end): string = '%c' % i offset = i - char_begin x_pos = offset * cwidth y_pos = offset * cheight text_layer = pdb.gimp_text_fontname(img, None, x_pos, y_pos, string, -1, False, size, PIXELS, font) gimp.progress_update(float(offset) / float(num_chars)) pdb.gimp_image_flatten(img) img.enable_undo() # Create a new image window gimp.Display(img) # Show the new image window gimp.displays_flush() # Restore the old foreground color: pdb.gimp_context_pop()""" register( "python_fu_bitmap_font", "Bitmap Font", "Create a new bitmap font", "*****", "*****", "2013", "Bitmap Font (Py)...", "", # Create a new image, don't work on an existing one [ (PF_SPINNER, "cwidth", "Cell Width", 24, (1, 3000, 1)), (PF_SPINNER, "cheight", "Cell Height", 51, (1, 3000, 1)), (PF_FONT, "font", "Font face", "Consolas"), (PF_SPINNER, "size", "Font size", 50, (1, 3000, 1)), (PF_COLOR, "color", "Text color", (1.0, 0.0, 0.0)) ], [], create_font, menu="&lt;Image&gt;/File/Create") main() </code></pre> <p>It seems that the after changing the beginning comment from line 15 to line 19 that everything goes to hell. And to be honest, I am not even sure how to debug this. I tried using the console under Filters>Python-Fu>Console - however this kept telling me line 1 was the issue... which I think we can all agree is not the case.</p> <p>I tried running pieces of this code in a python script and works perfectly fine.</p> <p>What should I do?</p>
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    1. COWhy are you creating a big string for no reason? Is it your way to comment out the code? About the shebang, have you tried to remove it? Maybe GIMP is actually trying to do something with. Can you post traceback, or some more information about what happens exactly?
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    2. CO@Paco What big string? I am trying to create an image with all 95 Chars on it. - The shebang sometimes works, but ill try. (RESULT: WORKED) - Well I guess it worked and I guess line 1 was a problem. Hmm... Let me play with this for the next 24 hours just to be sure.
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    3. COPosted an answer to display the big string, and also with my answer I gave in the comments
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