Division by zero

[narnaud]

I'm running Sigal with Python 3.5.1, Pillow 3.1.1, and when trying to build here is the result:

Traceback (most recent call last):
File "c:\python\3.5.1\Lib\runpy.py", line 170, in run_module_as_main
"main", mod_spec)
File "c:\python\3.5.1\Lib\runpy.py", line 85, in run_code
exec(code, run_globals)
File "[...]\build\Scripts\sigal.exe__main.py", line 9, in
File "[...]\build\lib\site-packages\click\core.py", line 716, in call
return self.main(_args, *_kwargs)
File "[...]\build\lib\site-packages\click\core.py", line 696, in main
rv = self.invoke(ctx)
File "[...]\build\lib\site-packages\click\core.py", line 1060, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "[...]\build\lib\site-packages\click\core.py", line 889, in invoke
return ctx.invoke(self.callback, *ctx.params)
File "[...]\build\lib\site-packages\click\core.py", line 534, in invoke
return callback(args, **kwargs)
File "[...]\build\lib\site-packages\sigal__init.py", line 142, in build
gal.build(force=force)
File "[...]\build\lib\site-packages\sigal\gallery.py", line 645, in build
writer.write(album)
File "[...]\build\lib\site-packages\sigal\writer.py", line 111, in write
page = self.template.render(**self.generate_context(album))
File "[...]\build\lib\site-packages\jinja2\environment.py", line 989, in render
return self.environment.handle_exception(exc_info, True)
File "[...]\build\lib\site-packages\jinja2\environment.py", line 754, in handle_exception
reraise(exc_type, exc_value, tb)
File "[...]\build\lib\site-packages\jinja2_compat.py", line 37, in reraise
raise value.with_traceback(tb)
File "[...]\theme-sigal\templates\index.html", line 94, in top-level template code
<a href="{{ media.filename }}" class="gallery" title="{{ media.filename }}" {{ img_description(media) }}>
File "[...]\theme-sigal\templates\index.html", line 82, in template
{% if media.exif %}
File "[...]\build\lib\site-packages\jinja2\environment.py", line 408, in getattr
return getattr(obj, attribute)
File "[...]\build\lib\site-packages\sigal\utils.py", line 134, in get
value = obj.dict[self.func.name] = self.func(obj)
File "[...]\build\lib\site-packages\sigal\gallery.py", line 159, in exif
if self.raw_exif and self.ext in ('.jpg', '.jpeg') else None)
File "[...]\build\lib\site-packages\sigal\image.py", line 259, in get_exif_tags
simple['exposure'] = exptime[0] / float(exptime[1])
ZeroDivisionError: float division by zero

[saimn]

Could you run sigal build -fd -n 1 to identify the problematic image ? Then if you can send me this image so I can test with it ?