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added ability to enable/disable the SVG attributes substitutions
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kamichal
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Oct 4, 2017
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,141 @@ | ||
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| __all__ = ['add_svg_attributes', 'reset_attr_substitutions'] | ||
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| DEFAULT_ATTR_SUBSTITUTION_MAP = { | ||
| "klass": "class", | ||
| } | ||
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| SVG_ATTR_SUBSTITUTIONS = { | ||
| "font_face": "font-face", | ||
| "font_face_format": "font-face-format", | ||
| "font_face_name": "font-face-name", | ||
| "font_face_src": "font-face-src", | ||
| "font_face_uri": "font-face-uri", | ||
| "missing_glyph": "missing-glyph", | ||
| "glyph_name": "glyph-name", | ||
| "cap_height": "cap-height", | ||
| "horiz_adv_x": "horiz-adv-x", | ||
| "horiz_adv_y": "horiz-adv-y", | ||
| "horiz_origin_x": "horiz-origin-x", | ||
| "horiz_origin_y": "horiz-origin-y", | ||
| "overline_position": "overline-position", | ||
| "overline_thickness": "overline-thickness", | ||
| "panose_1": "panose-1", | ||
| "rendering_intent": "rendering-intent", | ||
| "strikethrough_position": "strikethrough-position", | ||
| "strikethrough_thickness": "strikethrough-thickness", | ||
| "underline_position": "underline-position", | ||
| "underline_thickness": "underline-thickness", | ||
| "unicode_range": "unicode-range", | ||
| "units_per_em": "units-per-em", | ||
| "v_alphabetic": "v-alphabetic", | ||
| "v_hanging": "v-hanging", | ||
| "v_ideographic": "v-ideographic", | ||
| "v_mathematical": "v-mathematical", | ||
| "vert_adv_y": "vert-adv-y", | ||
| "vert_adv_y": "vert-adv-y", | ||
| "vert_origin_x": "vert-origin-x", | ||
| "vert_origin_x": "vert-origin-x", | ||
| "vert_origin_y": "vert-origin-y", | ||
| "vert_origin_y": "vert-origin-y", | ||
| "x_heght": "x-heght", | ||
| "xlink_actuate": "xlink:actuate", | ||
| "xlink_actuate": "xlink:actuate", | ||
| "xlink_arcrole": "xlink:arcrole", | ||
| "xlink_href": "xlink:href", | ||
| "xlink_role": "xlink:role", | ||
| "xlink_show": "xlink:show", | ||
| "xlink_show": "xlink:show", | ||
| "xlink_title": "xlink:title", | ||
| "xlink_type": "xlink:type", | ||
| "xml_base": "xml:base", | ||
| "xml_lang": "xml:lang", | ||
| "alignment_baseline": "alignment-baseline", | ||
| "baseline_shift": "baseline-shift", | ||
| "clip_path": "clip-path", | ||
| "clip_rule": "clip-rule", | ||
| "color_interpolation_filters": "color-interpolation-filters", | ||
| "color_interpolation": "color-interpolation", | ||
| "color_profile": "color-profile", | ||
| "color_rendering": "color-rendering", | ||
| "dominant_baseline": "dominant-baseline", | ||
| "enable_background": "enable-background", | ||
| "fill_opacity": "fill-opacity", | ||
| "fill_rule": "fill-rule", | ||
| "flood_color": "flood-color", | ||
| "flood_opacity": "flood-opacity", | ||
| "font_family": "font-family", | ||
| "font_size_adjust": "font-size-adjust", | ||
| "font_size": "font-size", | ||
| "font_stretch": "font-stretch", | ||
| "font_style": "font-style", | ||
| "font_variant": "font-variant", | ||
| "font_weight": "font-weight", | ||
| "glyph_orientation_horizontal": "glyph-orientation-horizontal", | ||
| "glyph_orientation_vertical": "glyph-orientation-vertical", | ||
| "image_rendering": "image-rendering", | ||
| "letter_spacing": "letter-spacing", | ||
| "lighting_color": "lighting-color", | ||
| "marker_end": "marker-end", | ||
| "marker_mid": "marker-mid", | ||
| "marker_start": "marker-start", | ||
| "pointer_events": "pointer-events", | ||
| "shape_rendering": "shape-rendering", | ||
| "stop_color": "stop-color", | ||
| "stop_opacity": "stop-opacity", | ||
| "stroke_dasharray": "stroke-dasharray", | ||
| "stroke_dashoffset": "stroke-dashoffset", | ||
| "stroke_linecap": "stroke-linecap", | ||
| "stroke_linejoin": "stroke-linejoin", | ||
| "stroke_miterlimit": "stroke-miterlimit", | ||
| "stroke_opacity": "stroke-opacity", | ||
| "stroke_width": "stroke-width", | ||
| "text_anchor": "text-anchor", | ||
| "text_decoration": "text-decoration", | ||
| "text_rendering": "text-rendering", | ||
| "unicode_bidi": "unicode-bidi", | ||
| "word_spacing": "word-spacing", | ||
| "writing_mode": "writing-mode", | ||
| } | ||
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| class AttrSubstitution(object): | ||
| current_map = DEFAULT_ATTR_SUBSTITUTION_MAP.copy() | ||
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| @classmethod | ||
| def translate(cls, attr_name): | ||
| """ get fixed atribute from map or return unchanged if not found """ | ||
| return cls.current_map.get(attr_name, attr_name) | ||
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| def add_svg_attributes(): | ||
| """ Call it anywhere in your script to enable a helper that allows for | ||
| adding attributes natively containing minus caracter in name, as a keyword | ||
| argument of tag and stag yattag methds. Underscores in known attributes will | ||
| be replaced with minus'es. | ||
| Regulary to produce e.g.:: | ||
| <font-face font-family="Sans" units-per-em="1000 /> | ||
| without the helper you need to type: | ||
| doc.stag("font-face", ("font-family", "Sans"), ("units-per-em", 1000) | ||
| after calling add_svg_attributes() it can also be:: | ||
| doc.stag("font-face", font_family = "Sans", units_per_em = 1000) | ||
| (Note the underscores, that avoids python syntax errors) | ||
| You can disable the helper anytime by calliing reset_attr_substitutions() | ||
| """ | ||
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| AttrSubstitution.current_map.update(SVG_ATTR_SUBSTITUTIONS) | ||
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| def reset_attr_substitutions(): | ||
| """ Reset all modifications made to attribute substitution helper, | ||
| e.g. if add_svg_attributes() has been invoked. | ||
| """ | ||
| AttrSubstitution.current_map = DEFAULT_ATTR_SUBSTITUTION_MAP.copy() |
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