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< h1 > Source code for markdownx.utils< / h1 > < div class = "highlight" > < pre >
< span > < / span > < span class = "kn" > from< / span > < span class = "nn" > markdown< / span > < span class = "k" > import< / span > < span class = "n" > markdown< / span >
< span class = "kn" > from< / span > < span class = "nn" > PIL< / span > < span class = "k" > import< / span > < span class = "n" > Image< / span >
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< span class = "kn" > from< / span > < span class = "nn" > .settings< / span > < span class = "k" > import< / span > < span class = "p" > (< / span >
< span class = "n" > MARKDOWNX_MARKDOWN_EXTENSIONS< / span > < span class = "p" > ,< / span >
< span class = "n" > MARKDOWNX_MARKDOWN_EXTENSION_CONFIGS< / span >
< span class = "p" > )< / span >
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< div class = "viewcode-block" id = "markdownify" > < a class = "viewcode-back" href = "../../markdownx/docs/utilities.html#markdownx.utils.markdownify" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > markdownify< / span > < span class = "p" > (< / span > < span class = "n" > content< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " < / span >
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< span class = "sd" > Trans-compiles Markdown text to HTML.< / span >
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< span class = "sd" > :param content: Markdown text.< / span >
< span class = "sd" > :type content: str< / span >
< span class = "sd" > :return: HTML encoded text.< / span >
< span class = "sd" > :rtype: str< / span >
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< span class = "sd" > " " " < / span >
< span class = "n" > md< / span > < span class = "o" > =< / span > < span class = "n" > markdown< / span > < span class = "p" > (< / span >
< span class = "n" > text< / span > < span class = "o" > =< / span > < span class = "n" > content< / span > < span class = "p" > ,< / span >
< span class = "n" > extensions< / span > < span class = "o" > =< / span > < span class = "n" > MARKDOWNX_MARKDOWN_EXTENSIONS< / span > < span class = "p" > ,< / span >
< span class = "n" > extension_configs< / span > < span class = "o" > =< / span > < span class = "n" > MARKDOWNX_MARKDOWN_EXTENSION_CONFIGS< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > md< / span > < / div >
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< span class = "k" > def< / span > < span class = "nf" > _crop< / span > < span class = "p" > (< / span > < span class = "n" > im< / span > < span class = "p" > ,< / span > < span class = "n" > target_x< / span > < span class = "p" > ,< / span > < span class = "n" > target_y< / span > < span class = "p" > ):< / span >
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< span class = "sd" > " " " < / span >
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< span class = "sd" > Crops the image to the given specifications.< / span >
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< span class = "sd" > :param im: Instance of the image.< / span >
< span class = "sd" > :type im: PIL Image< / span >
< span class = "sd" > :param target_x: New x-axis.< / span >
< span class = "sd" > :type target_x: int< / span >
< span class = "sd" > :param target_y: New y-axis< / span >
< span class = "sd" > :type target_y: int< / span >
< span class = "sd" > :return: Cropped image.< / span >
< span class = "sd" > :rtype: PIL.Image< / span >
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< span class = "sd" > " " " < / span >
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< span class = "c1" > # Use integer values now.< / span >
< span class = "n" > source_x< / span > < span class = "p" > ,< / span > < span class = "n" > source_y< / span > < span class = "o" > =< / span > < span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > size< / span >
< span class = "c1" > # Difference between new image size and requested size.< / span >
< span class = "n" > diff_x< / span > < span class = "o" > =< / span > < span class = "nb" > int< / span > < span class = "p" > (< / span > < span class = "n" > source_x< / span > < span class = "o" > -< / span > < span class = "nb" > min< / span > < span class = "p" > (< / span > < span class = "n" > source_x< / span > < span class = "p" > ,< / span > < span class = "n" > target_x< / span > < span class = "p" > ))< / span >
< span class = "n" > diff_y< / span > < span class = "o" > =< / span > < span class = "nb" > int< / span > < span class = "p" > (< / span > < span class = "n" > source_y< / span > < span class = "o" > -< / span > < span class = "nb" > min< / span > < span class = "p" > (< / span > < span class = "n" > source_y< / span > < span class = "p" > ,< / span > < span class = "n" > target_y< / span > < span class = "p" > ))< / span >
< span class = "k" > if< / span > < span class = "n" > diff_x< / span > < span class = "ow" > or< / span > < span class = "n" > diff_y< / span > < span class = "p" > :< / span >
< span class = "c1" > # Center cropping (default).< / span >
< span class = "n" > halfdiff_x< / span > < span class = "p" > ,< / span > < span class = "n" > halfdiff_y< / span > < span class = "o" > =< / span > < span class = "n" > diff_x< / span > < span class = "o" > //< / span > < span class = "mi" > 2< / span > < span class = "p" > ,< / span > < span class = "n" > diff_y< / span > < span class = "o" > //< / span > < span class = "mi" > 2< / span >
< span class = "n" > box< / span > < span class = "o" > =< / span > < span class = "p" > [< / span >
< span class = "n" > halfdiff_x< / span > < span class = "p" > ,< / span >
< span class = "n" > halfdiff_y< / span > < span class = "p" > ,< / span >
< span class = "nb" > min< / span > < span class = "p" > (< / span > < span class = "n" > source_x< / span > < span class = "p" > ,< / span > < span class = "nb" > int< / span > < span class = "p" > (< / span > < span class = "n" > target_x< / span > < span class = "p" > )< / span > < span class = "o" > +< / span > < span class = "n" > halfdiff_x< / span > < span class = "p" > ),< / span >
< span class = "nb" > min< / span > < span class = "p" > (< / span > < span class = "n" > source_y< / span > < span class = "p" > ,< / span > < span class = "nb" > int< / span > < span class = "p" > (< / span > < span class = "n" > target_y< / span > < span class = "p" > )< / span > < span class = "o" > +< / span > < span class = "n" > halfdiff_y< / span > < span class = "p" > )< / span >
< span class = "p" > ]< / span >
< span class = "c1" > # Finally, crop the image!< / span >
< span class = "n" > im< / span > < span class = "o" > =< / span > < span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > crop< / span > < span class = "p" > (< / span > < span class = "n" > box< / span > < span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > im< / span >
< span class = "k" > def< / span > < span class = "nf" > _scale< / span > < span class = "p" > (< / span > < span class = "n" > im< / span > < span class = "p" > ,< / span > < span class = "n" > x< / span > < span class = "p" > ,< / span > < span class = "n" > y< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " < / span >
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< span class = "sd" > Scales the image to the given specifications.< / span >
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< span class = "sd" > :param im: Instance of the image.< / span >
< span class = "sd" > :type im: PIL Image< / span >
< span class = "sd" > :param x: x-axis size.< / span >
< span class = "sd" > :type x: int< / span >
< span class = "sd" > :param y: y-axis size.< / span >
< span class = "sd" > :type y: int< / span >
< span class = "sd" > :return: Scaled image, re-sampled with anti-aliasing filter.< / span >
< span class = "sd" > :rtype: Image< / span >
< span class = "sd" > " " " < / span >
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< span class = "n" > im< / span > < span class = "o" > =< / span > < span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > resize< / span > < span class = "p" > (< / span >
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< span class = "p" > (< / span > < span class = "nb" > int< / span > < span class = "p" > (< / span > < span class = "n" > x< / span > < span class = "p" > ),< / span > < span class = "nb" > int< / span > < span class = "p" > (< / span > < span class = "n" > y< / span > < span class = "p" > )),< / span >
< span class = "n" > resample< / span > < span class = "o" > =< / span > < span class = "n" > Image< / span > < span class = "o" > .< / span > < span class = "n" > ANTIALIAS< / span >
< span class = "p" > )< / span >
< span class = "k" > return< / span > < span class = "n" > im< / span >
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< div class = "viewcode-block" id = "scale_and_crop" > < a class = "viewcode-back" href = "../../markdownx/docs/utilities.html#markdownx.utils.scale_and_crop" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > scale_and_crop< / span > < span class = "p" > (< / span > < span class = "n" > image< / span > < span class = "p" > ,< / span > < span class = "n" > size< / span > < span class = "p" > ,< / span > < span class = "n" > crop< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span > < span class = "n" > upscale< / span > < span class = "o" > =< / span > < span class = "kc" > False< / span > < span class = "p" > ,< / span > < span class = "n" > quality< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span > < span class = "p" > ):< / span >
< span class = "sd" > " " " < / span >
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< span class = "sd" > Modifies raster graphic images to the specifications.< / span >
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< span class = "sd" > :param image: Raster graphic image.< / span >
< span class = "sd" > :type image: BytesIO< / span >
< span class = "sd" > :param size: New size.< / span >
< span class = "sd" > :type size: int< / span >
< span class = "sd" > :param crop: Perform cropping or not.< / span >
< span class = "sd" > :type crop: bool< / span >
< span class = "sd" > :param upscale: Whether or not to upscale the image.< / span >
< span class = "sd" > :type upscale: bool< / span >
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< span class = "sd" > :param quality: Quality of the new image in DPI.< / span >
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< span class = "sd" > :type quality: int< / span >
< span class = "sd" > :return: Raster graphic image modified to the given specifications.< / span >
< span class = "sd" > :rtype: BytesIO< / span >
< span class = "sd" > " " " < / span >
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< span class = "c1" > # Open image and store format/metadata.< / span >
< span class = "n" > image< / span > < span class = "o" > .< / span > < span class = "n" > open< / span > < span class = "p" > ()< / span >
< span class = "n" > im< / span > < span class = "o" > =< / span > < span class = "n" > Image< / span > < span class = "o" > .< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "n" > image< / span > < span class = "p" > )< / span >
< span class = "n" > im_format< / span > < span class = "p" > ,< / span > < span class = "n" > im_info< / span > < span class = "o" > =< / span > < span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > ,< / span > < span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > info< / span >
< span class = "k" > if< / span > < span class = "n" > quality< / span > < span class = "p" > :< / span >
< span class = "n" > im_info< / span > < span class = "p" > [< / span > < span class = "s1" > ' quality' < / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > quality< / span >
< span class = "c1" > # Force PIL to load image data.< / span >
< span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > load< / span > < span class = "p" > ()< / span >
< span class = "n" > source_x< / span > < span class = "p" > ,< / span > < span class = "n" > source_y< / span > < span class = "o" > =< / span > < span class = "nb" > map< / span > < span class = "p" > (< / span > < span class = "nb" > float< / span > < span class = "p" > ,< / span > < span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > size< / span > < span class = "p" > )< / span >
< span class = "n" > target_x< / span > < span class = "p" > ,< / span > < span class = "n" > target_y< / span > < span class = "o" > =< / span > < span class = "nb" > map< / span > < span class = "p" > (< / span > < span class = "nb" > float< / span > < span class = "p" > ,< / span > < span class = "n" > size< / span > < span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > crop< / span > < span class = "ow" > or< / span > < span class = "ow" > not< / span > < span class = "n" > target_x< / span > < span class = "ow" > or< / span > < span class = "ow" > not< / span > < span class = "n" > target_y< / span > < span class = "p" > :< / span >
< span class = "n" > scale< / span > < span class = "o" > =< / span > < span class = "nb" > max< / span > < span class = "p" > (< / span > < span class = "n" > target_x< / span > < span class = "o" > /< / span > < span class = "n" > source_x< / span > < span class = "p" > ,< / span > < span class = "n" > target_y< / span > < span class = "o" > /< / span > < span class = "n" > source_y< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > scale< / span > < span class = "o" > =< / span > < span class = "nb" > min< / span > < span class = "p" > (< / span > < span class = "n" > target_x< / span > < span class = "o" > /< / span > < span class = "n" > source_x< / span > < span class = "p" > ,< / span > < span class = "n" > target_y< / span > < span class = "o" > /< / span > < span class = "n" > source_y< / span > < span class = "p" > )< / span >
< span class = "c1" > # Handle one-dimensional targets.< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > target_x< / span > < span class = "p" > :< / span >
< span class = "n" > target_x< / span > < span class = "o" > =< / span > < span class = "n" > source_x< / span > < span class = "o" > *< / span > < span class = "n" > scale< / span >
< span class = "k" > elif< / span > < span class = "ow" > not< / span > < span class = "n" > target_y< / span > < span class = "p" > :< / span >
< span class = "n" > target_y< / span > < span class = "o" > =< / span > < span class = "n" > source_y< / span > < span class = "o" > *< / span > < span class = "n" > scale< / span >
< span class = "k" > if< / span > < span class = "n" > scale< / span > < span class = "o" > < < / span > < span class = "mf" > 1.0< / span > < span class = "ow" > or< / span > < span class = "p" > (< / span > < span class = "n" > scale< / span > < span class = "o" > > < / span > < span class = "mf" > 1.0< / span > < span class = "ow" > and< / span > < span class = "n" > upscale< / span > < span class = "p" > ):< / span >
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< span class = "n" > im< / span > < span class = "o" > =< / span > < span class = "n" > _scale< / span > < span class = "p" > (< / span > < span class = "n" > im< / span > < span class = "o" > =< / span > < span class = "n" > im< / span > < span class = "p" > ,< / span > < span class = "n" > x< / span > < span class = "o" > =< / span > < span class = "n" > source_x< / span > < span class = "o" > *< / span > < span class = "n" > scale< / span > < span class = "p" > ,< / span > < span class = "n" > y< / span > < span class = "o" > =< / span > < span class = "n" > source_y< / span > < span class = "o" > *< / span > < span class = "n" > scale< / span > < span class = "p" > )< / span >
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< span class = "k" > if< / span > < span class = "n" > crop< / span > < span class = "p" > :< / span >
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< span class = "n" > im< / span > < span class = "o" > =< / span > < span class = "n" > _crop< / span > < span class = "p" > (< / span > < span class = "n" > im< / span > < span class = "o" > =< / span > < span class = "n" > im< / span > < span class = "p" > ,< / span > < span class = "n" > target_x< / span > < span class = "o" > =< / span > < span class = "n" > target_x< / span > < span class = "p" > ,< / span > < span class = "n" > target_y< / span > < span class = "o" > =< / span > < span class = "n" > target_y< / span > < span class = "p" > )< / span >
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< span class = "c1" > # Close image and replace format/metadata, as PIL blows this away.< / span >
< span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > ,< / span > < span class = "n" > im< / span > < span class = "o" > .< / span > < span class = "n" > info< / span > < span class = "o" > =< / span > < span class = "n" > im_format< / span > < span class = "p" > ,< / span > < span class = "n" > im_info< / span >
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< span class = "n" > image< / span > < span class = "o" > .< / span > < span class = "n" > close< / span > < span class = "p" > ()< / span >
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< span class = "k" > return< / span > < span class = "n" > im< / span > < / div >
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< div class = "viewcode-block" id = "xml_has_javascript" > < a class = "viewcode-back" href = "../../markdownx/docs/utilities.html#markdownx.utils.xml_has_javascript" > [docs]< / a > < span class = "k" > def< / span > < span class = "nf" > xml_has_javascript< / span > < span class = "p" > (< / span > < span class = "n" > data< / span > < span class = "p" > ):< / span >
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< span class = "sd" > " " " < / span >
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< span class = "sd" > Checks XML for JavaScript. See " security" in :doc:`customization < ../../customization> ` for< / span >
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< span class = "sd" > additional information.< / span >
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< span class = "sd" > :param data: Contents to be monitored for JavaScript injection.< / span >
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< span class = "sd" > :type data: str, bytes< / span >
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< span class = "sd" > :return: ``True`` if **data** contains JavaScript tag(s), otherwise ``False``.< / span >
< span class = "sd" > :rtype: bool< / span >
< span class = "sd" > " " " < / span >
< span class = "kn" > from< / span > < span class = "nn" > re< / span > < span class = "k" > import< / span > < span class = "n" > search< / span > < span class = "p" > ,< / span > < span class = "n" > IGNORECASE< / span > < span class = "p" > ,< / span > < span class = "n" > MULTILINE< / span >
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< span class = "n" > data< / span > < span class = "o" > =< / span > < span class = "nb" > str< / span > < span class = "p" > (< / span > < span class = "n" > data< / span > < span class = "p" > ,< / span > < span class = "n" > encoding< / span > < span class = "o" > =< / span > < span class = "s1" > ' UTF-8' < / span > < span class = "p" > )< / span >
< span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > data< / span > < span class = "p" > )< / span >
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< span class = "c1" > # ------------------------------------------------< / span >
< span class = "c1" > # Handles JavaScript nodes and stringified nodes.< / span >
< span class = "c1" > # ------------------------------------------------< / span >
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< span class = "c1" > # Filters against " script" / " if" / " for" within node attributes.< / span >
< span class = "n" > pattern< / span > < span class = "o" > =< / span > < span class = "s1" > r' (< \s*\bscript\b.*> .*)|(.*\bif\b\s*\(.?={2,3}.*\))|(.*\bfor\b\s*\(.*\))' < / span >
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< span class = "n" > found< / span > < span class = "o" > =< / span > < span class = "n" > search< / span > < span class = "p" > (< / span >
< span class = "n" > pattern< / span > < span class = "o" > =< / span > < span class = "n" > pattern< / span > < span class = "p" > ,< / span >
< span class = "n" > string< / span > < span class = "o" > =< / span > < span class = "n" > data< / span > < span class = "p" > ,< / span >
< span class = "n" > flags< / span > < span class = "o" > =< / span > < span class = "n" > IGNORECASE< / span > < span class = "o" > |< / span > < span class = "n" > MULTILINE< / span >
< span class = "p" > )< / span >
< span class = "k" > if< / span > < span class = "n" > found< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "kc" > True< / span >
< span class = "c1" > # ------------------------------------------------< / span >
< span class = "c1" > # Handles JavaScript injection into attributes< / span >
< span class = "c1" > # for element creation.< / span >
< span class = "c1" > # ------------------------------------------------< / span >
< span class = "kn" > from< / span > < span class = "nn" > xml.etree.ElementTree< / span > < span class = "k" > import< / span > < span class = "n" > fromstring< / span >
< span class = "n" > parsed_xml< / span > < span class = "o" > =< / span > < span class = "p" > (< / span >
< span class = "p" > (< / span > < span class = "n" > attribute< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > elm< / span > < span class = "ow" > in< / span > < span class = "n" > fromstring< / span > < span class = "p" > (< / span > < span class = "n" > data< / span > < span class = "p" > )< / span > < span class = "o" > .< / span > < span class = "n" > iter< / span > < span class = "p" > ()< / span >
< span class = "k" > for< / span > < span class = "n" > attribute< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > elm< / span > < span class = "o" > .< / span > < span class = "n" > attrib< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ()< / span >
< span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "ow" > in< / span > < span class = "n" > parsed_xml< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "s1" > ' " ' < / span > < span class = "ow" > in< / span > < span class = "n" > val< / span > < span class = "ow" > or< / span > < span class = "s2" > " ' " < / span > < span class = "ow" > in< / span > < span class = "n" > val< / span > < span class = "p" > :< / span >
< span class = "k" > return< / span > < span class = "kc" > True< / span >
< span class = "c1" > # It is (hopefully) safe.< / span >
< span class = "k" > return< / span > < span class = "kc" > False< / span > < / div >
< / pre > < / div >
< / div >
< div class = "articleComments" >
< / div >
< / div >
< footer >
< hr / >
< div role = "contentinfo" >
< p >
© Copyright 2017 - Adi, Pouria Hadjibagheri.
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Built with < a href = "http://sphinx-doc.org/" > Sphinx< / a > using a < a href = "https://github.com/snide/sphinx_rtd_theme" > theme< / a > provided by < a href = "https://readthedocs.org" > Read the Docs< / a > .
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