def remove_img_style_size(root):
"""
add class to img container and remove explicit width attributes
"""
xpath_conditions = [
'contains(@class,"thumb") ',
'and not(contains(@class, "tmulti"))',
'and not(contains(@class, "thumbinner"))',
'and not(contains(@class, "thumbcaption"))',
'and not(contains(@class, "thumbimage"))',
]
result = root.xpath("//div[{}]".format(" ".join(xpath_conditions)))
for img_container in result:
if "map" in img_container.attrib.get("class", ""):
continue
thumbinner = img_container.xpath('.//*[contains(@class,"thumbinner")]')
for node in thumbinner:
utils.remove_node_styles(node, ["width", "height", "max-width"])
if not img_container.xpath(".//img"):
log.debug("No <img> found in {}".format(etree.tostring(img_container)))
continue
img = img_container.xpath(".//img")[0]
width = utils.get_node_width(img, target_unit="pt")
utils.remove_node_styles(img, ["width", "height"])
cols = int(round(width / (column_width_pt * 4)))
if cols > 3:
cols = 3
cols = cols * 4
utils.append_class(img_container, "col-{}".format(cols))
utils.remove_node_width(img_container)
utils.remove_node_width(img)
def fix_thumbs(root):
"""
remove explit width in thumbinner div
otherwise correct image sizing/positioning is not guaranteed
"""
for div in root.xpath('.//div[contains(@class, "thumbinner")]'):
utils.remove_node_width(div)
def remove_style_sizes(root):
for table in root.xpath("//table[@style]"):
utils.remove_node_styles(table, ["width", "height"])
utils.remove_node_width(table)
if table.attrib.get("border"):
del table.attrib["border"]
utils.append_class(table, "pp_border_table")
def _resize_image_node_width_to_pt(node):
"""
resize images from px to pt: 96px -> 72pt = shrink to 75%
the scale factor is more or less deliberate but looks decent in sample pages
"""
if node.tag != "img":
return
width = utils.get_node_width(node, target_unit="px")
utils.remove_node_styles(node, ["width", "height"])
utils.remove_node_width(node)
utils.add_node_style(node, "width", "{}px".format(width * config.px2pt))
def fix_galleries(root):
for gallery in root.xpath('.//ul[contains(@class, "gallery")]'):
for leaf in gallery.xpath(".//*"):
utils.remove_node_width(leaf)
utils.remove_node_height(leaf)
utils.remove_node_styles(leaf, "margin")
for leaf in gallery.xpath('.//li[contains(@class, "gallerybox")]'):
utils.append_class(leaf, "col-4")
img = leaf[0][0][0][0][0]
utils.append_class(img, "thumbimage")
url = img.attrib.get("src")
utils.add_node_style(leaf[0][0][0], "background-image", "url({})".format(url))
def add_class_to_infobox_wide_images(root):
"""
add `infobox-wide` to images wider than 100px in an infobox and remove explicit width
"""
for node in root.xpath('//*[contains(@class, "infobox")]//img'):
if "width" in node.attrib and int(node.attrib.get("width")) > 100:
utils.append_class(node, "infobox-img-wide")
utils.remove_node_width(node)
utils.remove_node_height(node)
for td in node.xpath("./ancestor::td"):
utils.append_class(td, "contains-img-wide")
elif "width" in node.attrib and int(node.attrib.get("width")) <= 100:
node.attrib["width"] = str(int(node.attrib["width"]) / config.px2pt)
def resize_node_width_to_columns(node, width_in_pt, use_thirds_only=True):
"""
resizes a given node to columns by adding a col-* class
"""
utils.remove_node_width(node)
target_col_width = next(
(width for width in config.columns.values() if width > width_in_pt), 0)
if target_col_width == 0:
if width_in_pt <= config.tolerated_over_width:
utils.wrap_node(node, "div", {"class": "over-wide-wrapper"})
utils.append_class(node, "over-wide")
else:
utils.append_class(node, "rotated-table")
return
cols = config.columns.values().index(target_col_width) + 1
if use_thirds_only:
cols = int(4 * ceil(float(cols) / 4))
utils.append_class(node, "col-{}".format(cols))
def _remove_inner_image_node_width(node, inner_class="thumbinner"):
"""
remove explicit widths from an image node
Side effect: removes the node if it doesn't contain an image!
:param node:
:param inner_class: "thumbinner" or "thumbimage"
:return: original width of the image in pt
"""
utils.remove_node_styles(node, ["width", "height", "max-width"])
wrapper_nodes = node.xpath('.//*[contains(@class,"{}")]'.format(inner_class))
for wrapper_node in wrapper_nodes:
utils.remove_node_styles(wrapper_node, ["width", "height", "max-width"])
if not node.xpath(".//img"):
log.debug("No <img> found in {}. Removing node.".format(etree.tostring(node)))
utils.remove_node(node)
return 0
img = node.xpath(".//img")[0]
width = utils.get_node_width(img, target_unit="pt")
utils.remove_node_styles(img, ["width", "height"])
utils.remove_node_width(img)
return width
