weasyprint issue #77

WeasyPrint==0.21
cssselect==0.9.1
html5lib==0.999
lxml==3.3.5

Filename: /home/rm/src/veasy/local/lib/python2.7/site-packages/weasyprint/css/__init__.py
   432                             def get_all_computed_styles(html, user_stylesheets=None):

HUGE:
   500                                 # Iterate on all elements, even if there is no cascaded style for them.
   501   79.516 MiB   45.031 MiB       for element in element_tree.iter():
   502   79.508 MiB   -0.008 MiB           set_computed_styles(cascaded_styles, computed_styles, element,
   503   79.516 MiB    0.008 MiB                               parent=element.getparent())
   504

SMALL:
   500                                 # Iterate on all elements, even if there is no cascaded style for them.
   501   30.707 MiB    4.539 MiB       for element in element_tree.iter():
   502   30.703 MiB   -0.004 MiB           set_computed_styles(cascaded_styles, computed_styles, element,
   503   30.707 MiB    0.004 MiB                               parent=element.getparent())
   504

Filename: /home/rm/src/veasy/local/lib/python2.7/site-packages/weasyprint/layout/__init__.py
    39                             def layout_document(enable_hinting, style_for, get_image_from_uri, root_box):

HUGE:
    50  226.961 MiB  108.773 MiB       pages = list(make_all_pages(context, root_box))

SMALL:
    50   48.371 MiB   12.930 MiB       pages = list(make_all_pages(context, root_box))


Filename: /home/rm/src/veasy/local/lib/python2.7/site-packages/weasyprint/document.py
   298                                 def _render(cls, html, stylesheets, enable_hinting):

HUGE:
   303   80.004 MiB   47.672 MiB           get_image_from_uri = functools.partial(
   304   80.004 MiB    0.000 MiB               images.get_image_from_uri, {}, html.url_fetcher)
   305   80.004 MiB    0.000 MiB           page_boxes = layout_document(
   306   80.004 MiB    0.000 MiB               enable_hinting, style_for, get_image_from_uri,
   307   80.004 MiB    0.000 MiB               build_formatting_structure(
   308  118.191 MiB   38.188 MiB                   html.root_element, style_for, get_image_from_uri))
   309  228.965 MiB  110.773 MiB           return cls([Page(p, enable_hinting) for p in page_boxes],
   310  228.965 MiB    0.000 MiB                      DocumentMetadata(**html._get_metadata()))

SMALL:
   303   31.602 MiB    6.355 MiB           get_image_from_uri = functools.partial(
   304   31.602 MiB    0.000 MiB               images.get_image_from_uri, {}, html.url_fetcher)
   305   31.602 MiB    0.000 MiB           page_boxes = layout_document(
   306   31.602 MiB    0.000 MiB               enable_hinting, style_for, get_image_from_uri,
   307   31.602 MiB    0.000 MiB               build_formatting_structure(
   308   35.461 MiB    3.859 MiB                   html.root_element, style_for, get_image_from_uri))
   309   48.578 MiB   13.117 MiB           return cls([Page(p, enable_hinting) for p in page_boxes],
   310   48.578 MiB    0.000 MiB                      DocumentMetadata(**html._get_metadata()))