prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  More menu navigation cleanups
  <img width="834" alt="screen shot 2016-06-22 at 00 00 38" src="https://cloud.githubusercontent.com/assets/178003/16247917/6d784382-380c-11e6-91f6-29423d263b8c.png">
  - [ ] Make project icon and name clickable - click should take you to e.g. /en/qgis/
  - [ ] Changelogs -> Changelog
  - [ ] Remove version entries item
  - [ ] Remove version thumbnails item
  - [ ] Remove add entry item
  
  
  </issue>
  <code>
  [start of django_project/base/templatetags/custom_markup.py]
  1 import markdown
  2 from django import template
  3 from django.template.defaultfilters import stringfilter
  4 from django.utils.encoding import force_unicode
  5 from django.utils.safestring import mark_safe
  6 
  7 register = template.Library()
  8 
  9 
  10 @register.filter(name='base_markdown', is_safe=True)
  11 @stringfilter
  12 def base_markdown(value):
  13     extensions = ["nl2br", ]
  14 
  15     return mark_safe(markdown.markdown(force_unicode(value),
  16                                        extensions,
  17                                        safe_mode=True,
  18                                        enable_attributes=False))
  19 
  20 
  21 @register.filter(name='is_gif', is_safe=True)
  22 @stringfilter
  23 def is_gif(value):
  24     return value[-4:] == '.gif'
  25
  [end of django_project/base/templatetags/custom_markup.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/django_project/base/templatetags/custom_markup.py b/django_project/base/templatetags/custom_markup.py
  --- a/django_project/base/templatetags/custom_markup.py
  +++ b/django_project/base/templatetags/custom_markup.py
  @@ -22,3 +22,17 @@
   @stringfilter
   def is_gif(value):
       return value[-4:] == '.gif'
  +
  +
  +@register.inclusion_tag('button_span.html', takes_context=True)
  +def show_button_icon(context, value):
  +
  +    context_icon = {
  +        'add': 'glyphicon glyphicon-asterisk',
  +        'update': 'glyphicon glyphicon-pencil',
  +        'delete': 'glyphicon glyphicon-minus'
  +    }
  +
  +    return {
  +        'button_icon': context_icon[value]
  +    }
  
verification_info: {"golden_diff": "diff --git a/django_project/base/templatetags/custom_markup.py b/django_project/base/templatetags/custom_markup.py\n--- a/django_project/base/templatetags/custom_markup.py\n+++ b/django_project/base/templatetags/custom_markup.py\n@@ -22,3 +22,17 @@\n @stringfilter\n def is_gif(value):\n     return value[-4:] == '.gif'\n+\n+\n+@register.inclusion_tag('button_span.html', takes_context=True)\n+def show_button_icon(context, value):\n+\n+    context_icon = {\n+        'add': 'glyphicon glyphicon-asterisk',\n+        'update': 'glyphicon glyphicon-pencil',\n+        'delete': 'glyphicon glyphicon-minus'\n+    }\n+\n+    return {\n+        'button_icon': context_icon[value]\n+    }\n", "issue": "More menu navigation cleanups\n<img width=\"834\" alt=\"screen shot 2016-06-22 at 00 00 38\" src=\"https://cloud.githubusercontent.com/assets/178003/16247917/6d784382-380c-11e6-91f6-29423d263b8c.png\">\n- [ ] Make project icon and name clickable - click should take you to e.g. /en/qgis/\n- [ ] Changelogs -> Changelog\n- [ ] Remove version entries item\n- [ ] Remove version thumbnails item\n- [ ] Remove add entry item\n\n", "before_files": [{"content": "import markdown\nfrom django import template\nfrom django.template.defaultfilters import stringfilter\nfrom django.utils.encoding import force_unicode\nfrom django.utils.safestring import mark_safe\n\nregister = template.Library()\n\n\n@register.filter(name='base_markdown', is_safe=True)\n@stringfilter\ndef base_markdown(value):\n    extensions = [\"nl2br\", ]\n\n    return mark_safe(markdown.markdown(force_unicode(value),\n                                       extensions,\n                                       safe_mode=True,\n                                       enable_attributes=False))\n\n\n@register.filter(name='is_gif', is_safe=True)\n@stringfilter\ndef is_gif(value):\n    return value[-4:] == '.gif'\n", "path": "django_project/base/templatetags/custom_markup.py"}]}