def __init__(self, http, webassets, tpl, css, rootdir, combine, cachedir):
super().__init__(__package__)
self.http = http
self.webassets = webassets
self.tpl = tpl
self.css = css
tpl.renderer.register_format('svg', rootdir, cachedir, self)
self.combine = combine
self.virtfiles = VirtualAssets()
self.virtsvg = self.virtfiles.decorator('svg')
self._add_single_svg_route()
self._add_single_png_route()
self._add_single_resized_png_route()
self._add_combined_svg_route()
self._add_combined_png_route()
if self.combine:
@self.css.virtcss
def icons(ctx):
svgurl = ctx.url('score.svg:combined/svg')
pngurl = ctx.url('score.svg:combined/png')
return self.sprite(ctx).css(svgurl, pngurl)
else:
@self.css.virtcss
def icons(ctx):
styles = [Svg.common_css]
for path in self.paths():
svg = self.svg(ctx, path)
svgurl = ctx.url('score.svg:single/svg', path)
pngurl = ctx.url('score.svg:single/png', path)
styles.append('.icon-%s{%s}' %
(svg.css_class, svg.css(svgurl, pngurl)))
return '\n'.join(styles)
def __init__(self, http, tpl, webassets, rootdir, cachedir, combine,
minifier):
super().__init__(__package__)
self.http = http
self.tpl = tpl
self.webassets = webassets
self.combine = combine
self.minifier = minifier
tpl.renderer.register_format('js', rootdir, cachedir, self)
self.virtfiles = VirtualAssets()
self.virtjs = self.virtfiles.decorator('js')
self._add_single_route()
self._add_combined_route()
def __init__(self, webassets, tpl, http, rootdir,
cachedir, combine, minify):
super().__init__(__package__)
self.webassets = webassets
self.tpl = tpl
self.http = http
self.rootdir = rootdir
self.cachedir = cachedir
self.combine = combine
self.minify = minify
self.css_converter = CssConverter(self)
self.scss_converter = ScssConverter(self)
tpl.renderer.register_format('css', rootdir, cachedir,
self.css_converter)
tpl.renderer.register_format('scss', rootdir, cachedir,
self.scss_converter)
self.virtfiles = VirtualAssets()
self.virtcss = self.virtfiles.decorator('css')
self._add_single_route()
self._add_combined_route()
class ConfiguredCssModule(ConfiguredModule):
"""
This module's :class:`configuration object
<score.init.ConfiguredModule>`.
"""
def __init__(self, webassets, tpl, http, rootdir,
cachedir, combine, minify):
super().__init__(__package__)
self.webassets = webassets
self.tpl = tpl
self.http = http
self.rootdir = rootdir
self.cachedir = cachedir
self.combine = combine
self.minify = minify
self.css_converter = CssConverter(self)
self.scss_converter = ScssConverter(self)
tpl.renderer.register_format('css', rootdir, cachedir,
self.css_converter)
tpl.renderer.register_format('scss', rootdir, cachedir,
self.scss_converter)
self.virtfiles = VirtualAssets()
self.virtcss = self.virtfiles.decorator('css')
self._add_single_route()
self._add_combined_route()
def paths(self, includehidden=False):
"""
Provides a list of all css files found in the css root folder as
:term:`paths <asset path>`, as well as the paths of all :term:`virtual
css files <virtual asset>`.
"""
return (
self.tpl.renderer.paths('css', self.virtfiles, includehidden) +
self.tpl.renderer.paths('scss', None, includehidden))
def render_multiple(self, ctx, paths):
"""
Renders multiple *paths* at once, prefixing the contents of each file
with a css comment (only if minification is disabled).
"""
parts = []
for path in paths:
if not self.minify:
s = '/*{0}*/\n/*{1:^76}*/\n/*{0}*/'.format('*' * 76, path)
parts.append(s)
parts.append(self.tpl.renderer.render_file(ctx, path))
return '\n\n'.join(parts)
def render_combined(self, ctx):
"""
Renders the combined css file.
"""
return self.render_multiple(ctx, self.paths())
def _add_single_route(self):
@self.http.newroute('score.css:single', '/css/{path>.*\.css$}')
def single(ctx, path):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'css', path):
return self._response(ctx)
path = self._urlpath2path(path)
if path in self.virtfiles.paths():
css = self.virtfiles.render(ctx, path)
else:
css = self.tpl.renderer.render_file(ctx, path)
return self._response(ctx, css)
@single.vars2url
def url_single(ctx, path):
"""
Generates the url to a single css *path*.
"""
urlpath = self._path2urlpath(path)
url = '/css/' + urllib.parse.quote(urlpath)
versionmanager = self.webassets.versionmanager
if path in self.virtfiles.paths():
def hasher():
return self.virtfiles.hash(ctx, path)
def renderer():
return self.virtfiles.render(ctx, path).encode('UTF-8')
else:
files = [os.path.join(self.rootdir, path)]
if '.scss' in path:
newest_include_file = self.scss_converter.\
_get_newest_include_file(ctx)
if newest_include_file:
files.append(newest_include_file)
hasher = versionmanager.create_file_hasher(files)
def renderer():
content = self.tpl.renderer.render_file(ctx, path)
return content.encode('UTF-8')
hash_ = versionmanager.store('css', urlpath, hasher, renderer)
if hash_:
url += '?_v=' + hash_
return url
def _add_combined_route(self):
@self.http.newroute('score.css:combined', '/combined.css')
def combined(ctx):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'css', '__combined__'):
return self._response(ctx)
return self._response(ctx, self.render_multiple(ctx, self.paths()))
@combined.vars2url
def url_combined(ctx):
"""
Generates the url to the combined css file.
"""
url = '/combined.css'
files = []
vfiles = []
for path in self.paths():
if path in self.virtfiles.paths():
vfiles.append(path)
else:
files.append(os.path.join(self.rootdir, path))
versionmanager = self.webassets.versionmanager
hashers = [versionmanager.create_file_hasher(files)]
for path in vfiles:
hashers.append(lambda: self.virtfiles.hash(ctx, path))
hash_ = versionmanager.store(
'css', '__combined__', hashers,
lambda: self.render_combined(ctx).encode('UTF-8'))
if hash_:
url += '?_v=' + hash_
return url
def _path2urlpath(self, path):
"""
Converts a :term:`path <asset path>` to the corresponding path to use
in URLs.
"""
urlpath = path
if not (urlpath.endswith('.css') or urlpath.endswith('.scss')):
urlpath = urlpath[:urlpath.rindex('.')]
if urlpath.endswith('.scss'):
urlpath = urlpath[:-4] + 'css'
assert urlpath.endswith('.css')
return urlpath
def _urlpath2path(self, urlpath):
"""
Converts a *urlpath*, as passed in via the URL, into the actual
:term:`asset path`.
"""
assert urlpath.endswith('.css')
csspath = urlpath
scsspath = urlpath[:-3] + 'scss'
if csspath in self.virtfiles.paths():
return csspath
if scsspath in self.virtfiles.paths():
return scsspath
if os.path.isfile(os.path.join(self.rootdir, csspath)):
return csspath
if os.path.isfile(os.path.join(self.rootdir, scsspath)):
return scsspath
for ext in self.tpl.renderer.engines:
file = os.path.join(self.rootdir, csspath + '.' + ext)
if os.path.isfile(file):
return csspath + '.' + ext
file = os.path.join(self.rootdir, scsspath + '.' + ext)
if os.path.isfile(file):
return scsspath + '.' + ext
raise ValueError('Could not determine path for url "%s"' % urlpath)
def _finalize(self, tpl):
if 'html' in tpl.renderer.formats:
tpl.renderer.add_function(
'html', 'css', self._htmlfunc, escape_output=False)
def _response(self, ctx, css=None):
"""
Sets appropriate headers on the http response.
Will optionally set the response body to the given *css* string.
"""
ctx.http.response.content_type = 'text/css; charset=UTF-8'
if css:
ctx.http.response.text = css
return ctx.http.response
def _tags(self, ctx, *paths):
"""
Generates all ``link`` tags necessary to include all css files.
It is possible to generate the tags to specific css *paths* only.
"""
tag = '<link rel="stylesheet" href="%s" type="text/css">'
if paths:
links = [tag % self.http.url(ctx, 'score.css:single', path)
for path in paths]
return '\n'.join(links)
if self.combine:
return tag % self.http.url(ctx, 'score.css:combined')
paths = self.paths()
if not paths:
return ''
return self._tags(ctx, *paths)
def _htmlfunc(self, ctx, *paths, inline=False):
if not inline:
return self._tags(ctx, *paths)
if not paths:
paths = self.paths()
return '<style type="text/css">\n' + \
textwrap.indent(self.render_multiple(ctx, paths), ' ' * 4) + \
'\n</style>'
class ConfiguredSvgModule(ConfiguredModule, TemplateConverter):
"""
This module's :class:`configuration object
<score.init.ConfiguredModule>`.
"""
def __init__(self, http, webassets, tpl, css, rootdir, combine, cachedir):
super().__init__(__package__)
self.http = http
self.webassets = webassets
self.tpl = tpl
self.css = css
tpl.renderer.register_format('svg', rootdir, cachedir, self)
self.combine = combine
self.virtfiles = VirtualAssets()
self.virtsvg = self.virtfiles.decorator('svg')
self._add_single_svg_route()
self._add_single_png_route()
self._add_single_resized_png_route()
self._add_combined_svg_route()
self._add_combined_png_route()
if self.combine:
@self.css.virtcss
def icons(ctx):
svgurl = ctx.url('score.svg:combined/svg')
pngurl = ctx.url('score.svg:combined/png')
return self.sprite(ctx).css(svgurl, pngurl)
else:
@self.css.virtcss
def icons(ctx):
styles = [Svg.common_css]
for path in self.paths():
svg = self.svg(ctx, path)
svgurl = ctx.url('score.svg:single/svg', path)
pngurl = ctx.url('score.svg:single/png', path)
styles.append('.icon-%s{%s}' %
(svg.css_class, svg.css(svgurl, pngurl)))
return '\n'.join(styles)
def icon(self, ctx, path, size=None):
if '.' not in path:
path += '.svg'
if self.combine:
styles = self.sprite(ctx).svg_css(path, size)
return '<span class="icon icon-%s" style="%s"></span>' % \
(Svg.path2css(path), styles)
if path in self.virtfiles.paths():
svg = Svg(ctx, path, string=self.virtfiles.render(ctx, path))
else:
svg = Svg(ctx, path, string=self.render_svg(ctx, path))
if not size:
return '<span class="icon icon-%s"></span>' % svg.css_class
svgurl = ctx.url('score.svg:single/svg', path)
pngurl = ctx.url('score.svg:single/png/resized', path, size)
styles = svg.css_resized(svgurl, pngurl, size)
return '<span class="icon icon-%s" style="%s"></span>' % \
(Svg.path2css(path), styles)
def icon_css(self, ctx, path, size=None):
if '.' not in path:
path += '.svg'
if self.combine and not size:
svgurl = ctx.url('score.svg:combined/svg')
pngurl = ctx.url('score.svg:combined/png')
css = self.sprite(ctx).svg_css(path)
css += 'background:url(%s)no-repeat;' % pngurl
css += 'background-image:url(%s),none;' % svgurl
css += 'display:inline-block;'
else:
svgurl = ctx.url('score.svg:single/svg', path)
pngurl = ctx.url('score.svg:single/png', path)
if path in self.virtfiles.paths():
svg = Svg(ctx, path, string=self.virtfiles.render(ctx, path))
else:
svg = Svg(ctx, path, string=self.render_svg(ctx, path))
if size:
return svg.css_resized(svgurl, pngurl, size)
else:
return svg.css(svgurl, pngurl)
return css
def _finalize(self, tpl):
tpl.renderer.add_function('scss', 'icon',
self.icon_css, escape_output=False)
tpl.renderer.add_function('css', 'icon',
self.icon_css, escape_output=False)
if 'html' in self.tpl.renderer.formats:
tpl.renderer.add_function('html', 'icon',
self.icon, escape_output=False)
def _add_single_svg_route(self):
@self.http.newroute('score.svg:single/svg', '/svg/{path>.*}.svg')
def single_svg(ctx, path):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'svg', path):
return self._svg_response(ctx)
path = self._urlpath2path(path)
svg = self.render_svg(ctx, path)
return self._svg_response(ctx, svg)
@single_svg.vars2url
def url_single_svg(ctx, path):
"""
Generates the url to a single svg :term:`path <asset path>`.
"""
urlpath = self._path2urlpath(path)
url = '/svg/%s.svg' % urllib.parse.quote(urlpath)
renderer = lambda: self.render_svg(ctx, path).encode('UTF-8')
versionmanager = self.webassets.versionmanager
if path in self.virtfiles.paths():
hasher = lambda: self.virtfiles.hash(path)
else:
file = os.path.join(self.rootdir, path)
hasher = versionmanager.create_file_hasher(file)
hash_ = versionmanager.store('svg', urlpath, hasher, renderer)
if hash_:
url += '?_v=' + hash_
return url
def _add_single_png_route(self):
@self.http.newroute('score.svg:single/png', '/svg/{path>.*}.png')
def single_png(ctx, path):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'png', path):
return self._png_response(ctx)
path = self._urlpath2path(path)
png = self.render_png(ctx, path)
return self._png_response(ctx, png)
@single_png.vars2url
def url_single_png(ctx, path):
urlpath = self._path2urlpath(path)
urlpath = urlpath[:-3] + 'png'
url = '/svg/%s.png' % urllib.parse.quote(urlpath)
renderer = lambda: self.render_png(ctx, path)
versionmanager = self.webassets.versionmanager
if path in self.virtfiles.paths():
hasher = lambda: self.virtfiles.hash(path)
else:
file = os.path.join(self.rootdir, path)
hasher = versionmanager.create_file_hasher(file)
hash_ = versionmanager.store('png', os.path.join('auto', urlpath),
hasher, renderer)
if hash_:
url += '?_v=' + hash_
return url
def _add_single_resized_png_route(self):
@self.http.newroute('score.svg:single/png/resized',
'/svg/{size}/{path>.*}.png')
def single_png_resized(ctx, path, size):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'png',
os.path.join(size, path)):
return self._png_response(ctx)
path = self._urlpath2path(path)
png = self.render_png(ctx, path, size)
return self._png_response(ctx, png)
@single_png_resized.vars2url
def url_single_png_resized(ctx, path, size):
urlpath = self._path2urlpath(path)
urlpath = urlpath[:-3] + 'png'
url = '/svg/%s/%s.png' % (urllib.parse.quote(size),
urllib.parse.quote(urlpath))
renderer = lambda: self.render_png(ctx, path, size)
versionmanager = self.webassets.versionmanager
if path in self.virtfiles.paths():
hasher = lambda: self.virtfiles.hash(path)
else:
file = os.path.join(self.rootdir, path)
hasher = versionmanager.create_file_hasher(file)
hash_ = versionmanager.store('png', os.path.join(size, urlpath),
hasher, renderer)
if hash_:
url += '?_v=' + hash_
return url
def _add_combined_svg_route(self):
@self.http.newroute('score.svg:combined/svg', '/combined.svg')
def svg_combined(ctx):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'svg', '__combined__'):
return self._svg_response(ctx)
return self._svg_response(ctx, self.render_svg_sprite(ctx))
@svg_combined.vars2url
def url_svg_combined(ctx):
url = '/combined.svg'
files = []
vfiles = []
for path in self.paths():
if path in self.virtfiles.paths():
vfiles.append(path)
else:
files.append(os.path.join(self.rootdir, path))
versionmanager = self.webassets.versionmanager
hashers = [versionmanager.create_file_hasher(files)]
hashers += [lambda path: self.virtfiles.hash(path) for path in vfiles]
hash_ = versionmanager.store(
'svg', '__combined__', hashers,
lambda: self.render_svg_sprite(ctx).encode('UTF-8'))
if hash_:
url += '?_v=' + hash_
return url
def _add_combined_png_route(self):
@self.http.newroute('score.svg:combined/png', '/combined.png')
def png_combined(ctx):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'png', '__combined__'):
return self.png_response(ctx)
return self.png_response(ctx, self.render_png_sprite(ctx))
@png_combined.vars2url
def url_png_combined(ctx):
url = '/combined.png'
files = []
vfiles = []
for path in self.paths():
if path in self.virtfiles.paths():
vfiles.append(path)
else:
files.append(os.path.join(self.rootdir, path))
versionmanager = self.webassets.versionmanager
hashers = [versionmanager.create_file_hasher(files)]
hashers += [lambda path: self.virtfiles.hash(path) for path in vfiles]
hash_ = versionmanager.store(
'png', '__combined__', hashers,
lambda: self.render_svg_sprite(ctx).encode('UTF-8'))
if hash_:
url += '?_v=' + hash_
return url
def _path2urlpath(self, path):
"""
Converts a :term:`path <asset path>` to the corresponding path to use
in URLs.
"""
urlpath = path
if not urlpath.endswith('.svg'):
urlpath = urlpath[:urlpath.rindex('.')]
assert urlpath.endswith('.svg')
urlpath = urlpath[:-4]
return urlpath
def _urlpath2path(self, urlpath):
"""
Converts a *urlpath*, as passed in via the URL, into the actual
:term:`asset path`.
"""
svgpath = urlpath + '.svg'
if svgpath in self.virtfiles.paths():
return svgpath
if os.path.isfile(os.path.join(self.rootdir, svgpath)):
return svgpath
for ext in self.tpl.renderer.engines:
file = os.path.join(self.rootdir, svgpath + '.' + ext)
if os.path.isfile(file):
return svgpath + '.' + ext
raise ValueError('Could not determine path for url "%s"' % urlpath)
def _svg_response(self, ctx, svg=None):
"""
Sets appropriate headers on the http response.
Will optionally set the response body to the given *svg* string.
"""
ctx.http.response.content_type = 'image/svg+xml; charset=UTF-8'
if svg:
ctx.http.response.text = svg
return ctx.http.response
def _png_response(self, ctx, png=None):
"""
Sets appropriate headers on the http response.
Will optionally set the response body to the given *png* bytes.
"""
ctx.http.response.content_type = 'image/png'
if png:
ctx.http.response.body = png
return ctx.http.response
@property
def rootdir(self):
"""
The configured root folder of svg files.
"""
return self.tpl.renderer.format_rootdir('svg')
@property
def cachedir(self):
"""
The configured root folder of svg files.
"""
return self.tpl.renderer.format_cachedir('svg')
def paths(self, includehidden=False):
"""
Provides a list of all svg files found in the js root folder as
:term:`paths <asset path>`, as well as the paths of all :term:`virtual
svg files <virtual asset>`.
"""
return self.tpl.renderer.paths('svg', self.virtfiles, includehidden)
def sprite(self, ctx):
"""
Provides the :class:`.Sprite` object for this configuration.
"""
return Sprite(ctx, self)
def svg(self, ctx, path):
"""
Provides an :class:`.Svg` object for given path. Caching behaviour is
the same as in :attr:`.sprite`.
"""
if path.endswith('.svg'):
return Svg(ctx, path, file=os.path.join(self.rootdir, path))
return Svg(ctx, path, string=self.tpl.renderer.render_file(ctx, path))
def render_svg(self, ctx, path):
"""
Retuns the content of the file denoted by :term:`path <asset path>`.
"""
return self.svg(ctx, path).content
def render_png(self, ctx, path, size=None):
"""
Renders the svg file with given :term:`path <asset path>` in the
Portable Network Graphics (png) file format.
"""
return svg2png(self.svg(ctx, path), size)
def render_svg_sprite(self, ctx):
"""
Renders the :term:`sprite` of this configuration in the svg file
format.
"""
return self.sprite(ctx).content
def render_png_sprite(self, ctx, size=None):
"""
Same as :meth:`.render_svg_sprite`, but returns a png, thus a `bytes`
object.
"""
return svg2png(self.sprite(ctx), size)
convert_file = render_svg
class ConfiguredJsModule(ConfiguredModule, TemplateConverter):
"""
This module's :class:`configuration object
<score.init.ConfiguredModule>`, which is also a
:term:`template converter`.
"""
def __init__(self, http, tpl, webassets, rootdir, cachedir, combine,
minifier):
super().__init__(__package__)
self.http = http
self.tpl = tpl
self.webassets = webassets
self.combine = combine
self.minifier = minifier
tpl.renderer.register_format('js', rootdir, cachedir, self)
self.virtfiles = VirtualAssets()
self.virtjs = self.virtfiles.decorator('js')
self._add_single_route()
self._add_combined_route()
def _add_single_route(self):
@self.http.newroute('score.js:single', '/js/{path>.*\.js$}')
def single(ctx, path):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'js', path):
return self._response(ctx)
path = self._urlpath2path(path)
if path in self.virtfiles.paths():
js = self.virtfiles.render(ctx, path)
else:
js = self.tpl.renderer.render_file(ctx, path)
return self._response(ctx, js)
@single.vars2url
def url_single(ctx, path):
urlpath = self._path2urlpath(path)
url = '/js/' + urllib.parse.quote(urlpath)
versionmanager = self.webassets.versionmanager
if path in self.virtfiles.paths():
def hasher():
return self.virtfiles.hash(ctx, path)
def renderer():
return self.virtfiles.render(ctx, path).encode('UTF-8')
else:
file = os.path.join(self.rootdir, path)
hasher = versionmanager.create_file_hasher(file)
def renderer():
return self.tpl.renderer.render_file(ctx, path).\
encode('UTF-8')
hash_ = versionmanager.store('js', urlpath, hasher, renderer)
if hash_:
url += '?_v=' + hash_
return url
self.route_single = single
def _add_combined_route(self):
@self.http.newroute('score.js:combined', '/combined.js')
def combined(ctx):
versionmanager = self.webassets.versionmanager
if versionmanager.handle_request(ctx, 'js', '__combined__'):
return self._response(ctx)
return self._response(ctx, self.render_combined(ctx))
@combined.vars2url
def url_combined(ctx):
versionmanager = self.webassets.versionmanager
hash_ = versionmanager.store(
'js', '__combined__', self.generate_combined_hasher(ctx),
lambda: self.render_combined(ctx).encode('UTF-8'))
url = '/combined.js'
if hash_:
url += '?_v=' + hash_
return url
self.route_combined = combined
def generate_combined_hasher(self, ctx):
files = []
vfiles = []
for path in self.paths():
if path in self.virtfiles.paths():
vfiles.append(path)
else:
files.append(os.path.join(self.rootdir, path))
versionmanager = self.webassets.versionmanager
hashers = [versionmanager.create_file_hasher(files)]
for path in vfiles:
hashers.append(lambda: self.virtfiles.hash(ctx, path))
return hashers
def _finalize(self, tpl):
if 'html' in tpl.renderer.formats:
tpl.renderer.add_function(
'html', 'js', self._tags, escape_output=False)
tpl.renderer.add_filter(
'html', 'escape_js', escape, escape_output=False)
@property
def minify(self):
"""
Whether javascript content should be minified.
"""
return bool(self.minifier)
@property
def rootdir(self):
"""
The configured root folder of javascript files.
"""
return self.tpl.renderer.format_rootdir('js')
@property
def cachedir(self):
"""
The configured cache folder.
"""
return self.tpl.renderer.format_cachedir('js')
def paths(self, includehidden=False):
"""
Provides a list of all js files found in the js root folder as
:term:`paths <asset path>`, as well as the paths of all :term:`virtual
javascript files <virtual asset>`.
"""
paths = self.tpl.renderer.paths('js', self.virtfiles, includehidden)
paths.sort()
# FIXME: remove minified javascript files
return paths
def convert_string(self, ctx, js, path=None):
cachefile = None
if path and os.path.exists(path) and self.cachedir:
cachefile = os.path.join(self.cachedir, path)
file = os.path.join(self.rootdir, path)
if os.path.isfile(cachefile) and \
os.path.getmtime(cachefile) > os.path.getmtime(file):
return open(cachefile, 'r').read()
if self.minifier:
js = self.minifier.minify_string(js, path=path)
if cachefile:
os.makedirs(os.path.dirname(cachefile), exist_ok=True)
open(cachefile, 'w').write(js)
return js
def convert_file(self, ctx, path):
if path in self.virtfiles.paths():
return self.convert_string(
ctx, self.virtfiles.render(ctx, path), path)
file = os.path.join(self.rootdir, path)
if not os.path.isfile(file):
raise AssetNotFound('js', path)
if self.minifier and file.endswith('.js'):
minfile = file[:-3] + '.min.js'
if os.path.isfile(minfile):
return open(minfile, 'r', encoding='utf-8-sig').read()
js = open(file, 'r', encoding='utf-8-sig').read()
return self.convert_string(ctx, js, path)
def render_combined(self, ctx):
"""
Renders the combined js file.
"""
parts = []
for path in self.paths():
if not self.minify:
s = '/*{0}*/\n/*{1:^76}*/\n/*{0}*/'.format('*' * 76, path)
parts.append(s)
parts.append(self.tpl.renderer.render_file(ctx, path))
return '\n\n'.join(parts)
def _response(self, ctx, js=None):
"""
Sets appropriate headers on the http response.
Will optionally set the response body to the given *js* string.
"""
ctx.http.response.content_type = 'application/javascript; charset=UTF-8'
if js:
ctx.http.response.text = js
return ctx.http.response
def _path2urlpath(self, path):
"""
Converts a :term:`path <asset path>` to the corresponding path to use
in URLs.
"""
urlpath = path
if not urlpath.endswith('.js'):
urlpath = urlpath[:urlpath.rindex('.')]
assert urlpath.endswith('.js')
return urlpath
def _urlpath2path(self, urlpath):
"""
Converts a *urlpath*, as passed in via the URL, into the actual
:term:`asset path`.
"""
assert urlpath.endswith('.js')
jspath = urlpath
if jspath in self.virtfiles.paths():
return jspath
if os.path.isfile(os.path.join(self.rootdir, jspath)):
return jspath
for ext in self.tpl.renderer.engines:
file = os.path.join(self.rootdir, jspath + '.' + ext)
if os.path.isfile(file):
return jspath + '.' + ext
raise ValueError('Could not determine path for url "%s"' % urlpath)
def _tags(self, ctx, *paths):
"""
Generates all ``script`` tags necessary to include all javascript
files. It is possible to generate the tags to specific js *paths*
only.
"""
tag = '<script src="%s"></script>'
if len(paths):
return '\n'.join(tag % self.http.url(ctx, 'score.js:single', path)
for path in paths)
if self.combine:
return tag % self.http.url(ctx, 'score.js:combined')
if not len(self.paths()):
return ''
return self._tags(ctx, *self.paths())
){kind=link}