def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.namespace = Namespace()
# Add variables to the SCSS Global Namespace Here
self.namespace.set_variable('$static_url', String(settings.STATIC_URL))
def __init__(self, *args, **kwargs):
super(HorizonScssFilter, self).__init__(*args, **kwargs)
self.namespace = Namespace()
# Add variables to the SCSS Global Namespace Here
self.namespace.set_variable('$static_url', String(six.text_type(getattr(settings, 'STATIC_URL', '/static/'))))
def style_scss(self, *path):
css_namespace = Namespace()
for key, value in self.settings['keys'].items():
if isinstance(value, LCText):
css_value = String(value)
elif isinstance(value, LCColour):
css_value = Color.from_hex(value)
elif isinstance(value, LCBool):
css_value = Boolean(value.simple())
elif isinstance(value, LCSpin):
css_value = Number(value.simple())
else:
raise ValueError("Unable to find comparable values")
css_namespace.set_variable('${}'.format(key), css_value)
cherrypy.response.headers['Content-Type'] = 'text/css'
with open(os.path.join(self.settings['location'], *path), 'r') as css:
css_content = css.read()
compiler = Compiler(namespace=css_namespace, output_style='nested')
# Something wrong with PyScss,
# Syntax error: Found u'100%' but expected one of ADD.
# Doesn't happen on next attempt, so we are doing bad thing
attempts = 0
while attempts < 100:
try:
attempts += 1
ret_string = compiler.compile_string(css_content)
return ret_string
except Exception as exc:
if attempts == 100:
log.debug(exc)
def styles(request, name):
src = ''
namespace = Namespace()
for tv in ThemeValue.objects.all():
namespace.set_variable('${}-{}'.format(tv.group, tv.name), String(tv.value))
compiler = Compiler(namespace=namespace)
return HttpResponse(compiler.compile_string(src), content_type='text/css')
def styles(request, name):
src = ''
namespace = Namespace()
for tv in ThemeValue.objects.all():
namespace.set_variable('${}-{}'.format(tv.group, tv.name),
String(tv.value))
compiler = Compiler(namespace=namespace)
return HttpResponse(compiler.compile_string(src), content_type='text/css')
def __init__(self, is_sass=False):
# TODO it would be lovely to get these out of here, somehow
self.namespace = Namespace(variables=_default_scss_vars)
self.compiler = Compiler(namespace=self.namespace)
self.compilation = self.compiler.make_compilation()
self.legacy_compiler_options = {}
self.source_file = SourceFile.from_string('', '<shell>', is_sass=is_sass)
self.calculator = Calculator(self.namespace)
def customise_css():
colour = colours.get_from_qs(flask.request.args)
namespace = Namespace()
namespace.set_variable('$fg', Color.from_hex(colour.fg))
namespace.set_variable('$bg', Color.from_hex(colour.bg))
namespace.set_variable('$highFg', Color.from_hex(colour.highFg))
namespace.set_variable('$highBg', Color.from_hex(colour.highBg))
compiler = Compiler(namespace=namespace)
res = make_response(compiler.compile('style/index.scss'))
res.mimetype = 'text/css'
return res
class HorizonScssFilter(DjangoScssFilter):
def __init__(self, *args, **kwargs):
super(HorizonScssFilter, self).__init__(*args, **kwargs)
self.namespace = Namespace()
# Add variables to the SCSS Global Namespace Here
self.namespace.set_variable('$static_url', String(six.text_type(getattr(settings, 'STATIC_URL', '/static/'))))
# Create a compiler with the right namespace
@property
def compiler(self):
return DjangoScssCompiler(namespace=self.namespace)
def __init__(self,
source_file,
import_key=None,
unparsed_contents=None,
num_header_lines=0,
options=None,
legacy_compiler_options=None,
properties=None,
namespace=None,
lineno=0,
extends_selectors=frozenset(),
ancestry=None,
nested=0,
from_source_file=None,
from_lineno=0):
self.from_source_file = from_source_file
self.from_lineno = from_lineno
self.source_file = source_file
self.import_key = import_key
self.lineno = lineno
self.num_header_lines = num_header_lines
self.unparsed_contents = unparsed_contents
self.legacy_compiler_options = legacy_compiler_options or {}
self.options = options or {}
self.extends_selectors = extends_selectors
if namespace is None:
assert False
self.namespace = Namespace()
else:
self.namespace = namespace
if properties is None:
self.properties = []
else:
self.properties = properties
if ancestry is None:
self.ancestry = RuleAncestry()
else:
self.ancestry = ancestry
self.nested = nested
self.descendants = 0
class CoreExtension(Extension):
name = 'core'
namespace = Namespace()
def handle_import(self, name, compilation, rule):
"""Implementation of the core Sass import mechanism, which just looks
for files on disk.
"""
# TODO this is all not terribly well-specified by Sass. at worst,
# it's unclear how far "upwards" we should be allowed to go. but i'm
# also a little fuzzy on e.g. how relative imports work from within a
# file that's not actually in the search path.
# TODO i think with the new origin semantics, i've made it possible to
# import relative to the current file even if the current file isn't
# anywhere in the search path. is that right?
path = PurePosixPath(name)
if path.suffix:
search_exts = [path.suffix]
else:
search_exts = compilation.compiler.dynamic_extensions
basename = path.stem
relative_to = path.parent
search_path = [] # tuple of (origin, start_from)
if relative_to.is_absolute():
relative_to = PurePosixPath(*relative_to.parts[1:])
elif rule.source_file.origin:
# Search relative to the current file first, only if not doing an
# absolute import
search_path.append((
rule.source_file.origin,
rule.source_file.relpath.parent / relative_to,
))
search_path.extend(
(origin, relative_to)
for origin in compilation.compiler.search_path
)
for prefix, suffix in product(('_', ''), search_exts):
filename = prefix + basename + suffix
for origin, relative_to in search_path:
relpath = relative_to / filename
# Lexically (ignoring symlinks!) eliminate .. from the part
# of the path that exists within Sass-space. pathlib
# deliberately doesn't do this, but os.path does.
relpath = PurePosixPath(os.path.normpath(str(relpath)))
if rule.source_file.key == (origin, relpath):
# Avoid self-import
# TODO is this what ruby does?
continue
path = origin / relpath
if not path.exists():
continue
# All good!
# TODO if this file has already been imported, we'll do the
# source preparation twice. make it lazy.
return SourceFile.read(origin, relpath)
class HorizonScssFilter(DjangoScssFilter):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.namespace = Namespace()
# Add variables to the SCSS Global Namespace Here
self.namespace.set_variable('$static_url', String(settings.STATIC_URL))
# Create a compiler with the right namespace
@property
def compiler(self):
return DjangoScssCompiler(
# output_style is 'nested' by default, which is crazy. See:
# https://github.com/Kronuz/pyScss/issues/243
output_style='compact', # or 'compressed'
namespace=self.namespace)
class HorizonScssFilter(DjangoScssFilter):
def __init__(self, *args, **kwargs):
super(HorizonScssFilter, self).__init__(*args, **kwargs)
self.namespace = Namespace()
# Add variables to the SCSS Global Namespace Here
self.namespace.set_variable(
'$static_url',
String(six.text_type(getattr(settings, 'STATIC_URL', '/static/')))
)
# Create a compiler with the right namespace
@property
def compiler(self):
return DjangoScssCompiler(
namespace=self.namespace
)
def __init__(self, is_sass=False):
# TODO it would be lovely to get these out of here, somehow
self.namespace = Namespace(variables=_default_scss_vars)
self.compiler = Compiler(namespace=self.namespace)
self.compilation = self.compiler.make_compilation()
self.legacy_compiler_options = {}
self.source_file = SourceFile.from_string('', '<shell>', is_sass=is_sass)
self.calculator = Calculator(self.namespace)
def __init__(self, *args, **kwargs):
super(HorizonScssFilter, self).__init__(*args, **kwargs)
self.namespace = Namespace()
# Add variables to the SCSS Global Namespace Here
self.namespace.set_variable(
'$static_url',
String(six.text_type(getattr(settings, 'STATIC_URL', '/static/')))
)
class CoreExtension(Extension):
name = 'core'
namespace = Namespace()
def handle_import(self, name, compilation, rule):
"""Implementation of the core Sass import mechanism, which just looks
for files on disk.
"""
name, ext = os.path.splitext(name)
if ext:
search_exts = [ext]
else:
search_exts = ['.scss', '.sass']
dirname, basename = os.path.split(name)
# Search relative to the importing file first
search_path = [
os.path.normpath(os.path.abspath(
os.path.dirname(rule.source_file.path)))]
search_path.extend(compilation.compiler.search_path)
for prefix, suffix in product(('_', ''), search_exts):
filename = prefix + basename + suffix
for directory in search_path:
path = os.path.normpath(
os.path.join(directory, dirname, filename))
if path == rule.source_file.path:
# Avoid self-import
# TODO is this what ruby does?
continue
if not os.path.exists(path):
continue
# Ensure that no one used .. to escape the search path
for valid_path in compilation.compiler.search_path:
rel = os.path.relpath(path, start=valid_path)
if not rel.startswith('../'):
break
else:
continue
# All good!
return SourceFile.from_filename(path)
def __init__(
self, source_file, import_key=None, unparsed_contents=None,
num_header_lines=0,
options=None, legacy_compiler_options=None, properties=None,
namespace=None,
lineno=0, extends_selectors=frozenset(),
ancestry=None,
nested=0,
from_source_file=None, from_lineno=0):
self.from_source_file = from_source_file
self.from_lineno = from_lineno
self.source_file = source_file
self.import_key = import_key
self.lineno = lineno
self.num_header_lines = num_header_lines
self.unparsed_contents = unparsed_contents
self.legacy_compiler_options = legacy_compiler_options or {}
self.options = options or {}
self.extends_selectors = extends_selectors
if namespace is None:
assert False
self.namespace = Namespace()
else:
self.namespace = namespace
if properties is None:
self.properties = []
else:
self.properties = properties
if ancestry is None:
self.ancestry = RuleAncestry()
else:
self.ancestry = ancestry
self.nested = nested
self.descendants = 0
from __future__ import print_function
from __future__ import unicode_literals
from __future__ import division
import os.path
from scss.namespace import Namespace
from scss.types import Boolean
from scss.types import List
from scss.types import Null
from scss.types import String
from scss.types import expect_type
# TODO would like to just add a new /child/ to an existing namespace, i think,
# so i don't have to do an import dance? maybe?
ns = Namespace()
@ns.declare
def join_file_segments(*segments):
"""Join path parts into a single path, using the appropriate OS-specific
delimiter.
"""
parts = []
for segment in segments:
expect_type(segment, String)
parts.append(segment.value)
if parts:
return String(os.path.join(*parts))
else:
class SassRule(object):
"""At its heart, a CSS rule: combination of a selector and zero or more
properties. But this is Sass, so it also tracks some Sass-flavored
metadata, like `@extend` rules and `@media` nesting.
"""
def __init__(self,
source_file,
import_key=None,
unparsed_contents=None,
options=None,
legacy_compiler_options=None,
properties=None,
namespace=None,
lineno=0,
extends_selectors=frozenset(),
ancestry=None,
nested=0,
from_source_file=None,
from_lineno=0):
self.from_source_file = from_source_file
self.from_lineno = from_lineno
self.source_file = source_file
self.import_key = import_key
self.lineno = lineno
self.unparsed_contents = unparsed_contents
self.legacy_compiler_options = legacy_compiler_options or {}
self.options = options or {}
self.extends_selectors = extends_selectors
if namespace is None:
assert False
self.namespace = Namespace()
else:
self.namespace = namespace
if properties is None:
self.properties = []
else:
self.properties = properties
if ancestry is None:
self.ancestry = RuleAncestry()
else:
self.ancestry = ancestry
self.nested = nested
self.descendants = 0
def __repr__(self):
return "<SassRule %s, %d props>" % (
self.ancestry,
len(self.properties),
)
@property
def selectors(self):
# TEMPORARY
if self.ancestry.headers and self.ancestry.headers[-1].is_selector:
return self.ancestry.headers[-1].selectors
else:
return ()
@property
def file_and_line(self):
"""Return the filename and line number where this rule originally
appears, in the form "foo.scss:3". Used for error messages.
"""
ret = "%s:%d" % (self.source_file.path, self.lineno)
if self.from_source_file:
ret += " (%s:%d)" % (self.from_source_file.path, self.from_lineno)
return ret
@property
def is_empty(self):
"""Return whether this rule is considered "empty" -- i.e., has no
contents that should end up in the final CSS.
"""
if self.properties:
# Rules containing CSS properties are never empty
return False
if not self.descendants:
for header in self.ancestry.headers:
if header.is_atrule and header.directive != '@media':
# At-rules should always be preserved, UNLESS they are @media
# blocks, which are known to be noise if they don't have any
# contents of their own
return False
return True
@property
def is_pure_placeholder(self):
selectors = self.selectors
if not selectors:
return False
for s in selectors:
if not s.has_placeholder:
return False
return True
def copy(self):
return type(self)(
source_file=self.source_file,
lineno=self.lineno,
from_source_file=self.from_source_file,
from_lineno=self.from_lineno,
unparsed_contents=self.unparsed_contents,
legacy_compiler_options=self.legacy_compiler_options,
options=self.options,
#properties=list(self.properties),
properties=self.properties,
extends_selectors=self.extends_selectors,
#ancestry=list(self.ancestry),
ancestry=self.ancestry,
namespace=self.namespace.derive(),
nested=self.nested,
)
class BootstrapExtension(Extension):
name = 'bootstrap'
namespace = Namespace()
class SassRepl(object):
def __init__(self, is_sass=False):
# TODO it would be lovely to get these out of here, somehow
self.namespace = Namespace(variables=_default_scss_vars)
self.compiler = Compiler(namespace=self.namespace)
self.compilation = self.compiler.make_compilation()
self.legacy_compiler_options = {}
self.source_file = SourceFile.from_string('',
'<shell>',
is_sass=is_sass)
self.calculator = Calculator(self.namespace)
def __call__(self, s):
# TODO this is kind of invasive; surely it's possible to do this
# without calling only private methods
from pprint import pformat
if s in ('exit', 'quit'):
raise KeyboardInterrupt
for s in s.split(';'):
s = self.source_file.prepare_source(s.strip())
if not s:
continue
elif s.startswith('@'):
scope = None
properties = []
children = deque()
rule = SassRule(
self.source_file,
namespace=self.namespace,
legacy_compiler_options=self.legacy_compiler_options,
properties=properties)
block = UnparsedBlock(rule, 1, s, None)
code, name = (s.split(None, 1) + [''])[:2]
if code == '@option':
self.compilation._at_options(self.calculator, rule, scope,
block)
continue
elif code == '@import':
self.compilation._at_import(self.calculator, rule, scope,
block)
continue
elif code == '@include':
final_cont = ''
self.compilation._at_include(self.calculator, rule, scope,
block)
code = self.compilation._print_properties(
properties).rstrip('\n')
if code:
final_cont += code
if children:
self.compilation.children.extendleft(children)
self.compilation.parse_children()
code = self.compilation._create_css(
self.compilation.rules).rstrip('\n')
if code:
final_cont += code
yield final_cont
continue
elif s == 'ls' or s.startswith('show(') or s.startswith(
'show ') or s.startswith('ls(') or s.startswith('ls '):
m = re.match(
r'(?:show|ls)(\()?\s*([^,/\\) ]*)(?:[,/\\ ]([^,/\\ )]+))*(?(1)\))',
s, re.IGNORECASE)
if m:
name = m.group(2)
code = m.group(3)
name = name and name.strip().rstrip(
's') # remove last 's' as in functions
code = code and code.strip()
ns = self.namespace
if not name:
yield pformat(
list(
sorted(
['vars', 'options', 'mixins',
'functions'])))
elif name in ('v', 'var', 'variable'):
variables = dict(ns._variables)
if code == '*':
pass
elif code:
variables = dict((k, v)
for k, v in variables.items()
if code in k)
else:
variables = dict((k, v)
for k, v in variables.items()
if not k.startswith('$--'))
yield pformat(variables)
elif name in ('o', 'opt', 'option'):
opts = self.legacy_compiler_options
if code == '*':
pass
elif code:
opts = dict(
(k, v) for k, v in opts.items() if code in k)
else:
opts = dict((k, v) for k, v in opts.items())
yield pformat(opts)
elif name in ('m', 'mix', 'mixin', 'f', 'func', 'funct',
'function'):
if name.startswith('m'):
funcs = dict(ns._mixins)
elif name.startswith('f'):
funcs = dict(ns._functions)
if code == '*':
pass
elif code:
funcs = dict((k, v) for k, v in funcs.items()
if code in k[0])
else:
pass
# TODO print source when possible
yield pformat(funcs)
continue
elif s.startswith('$') and (':' in s or '=' in s):
prop, value = [a.strip() for a in _prop_split_re.split(s, 1)]
prop = self.calculator.do_glob_math(prop)
value = self.calculator.calculate(value)
self.namespace.set_variable(prop, value)
continue
# TODO respect compress?
try:
yield (self.calculator.calculate(s).render())
except (SyntaxError, SassEvaluationError) as e:
print("%s" % e, file=sys.stderr)
#! /usr/bin/env python3
from scss.namespace import Namespace
from scss.types import String
from scss import compiler
import glob
import os
scss_list = glob.glob("gnome-shell/*.scss")
print("\nSCSS_FILES:", scss_list)
for scss_path in scss_list:
css_path = scss_path.replace("scss", "css")
print("\nscss path:", scss_path)
print("css path:", css_path)
namespace = Namespace()
namespace.set_variable("$variant", String("light"))
css_data = compiler.compile_file(scss_path, namespace=namespace)
with open(css_path, "w") as css_file:
css_file.write(css_data)
"""Compile static assets."""
from flask import current_app as app
from flask_assets import Bundle
from scss import Compiler
from scss.namespace import Namespace
namespace = Namespace()
compiler = Compiler(namespace=namespace)
# Namespace variables
def pyscss_filter(_in, out, **kw):
"""
Custom pyscss filter, I forgot why, but I know its needed
:param _in: Input stream that reads the scss file
:param out: Out stream that writes to the css file
:param kw:
:return:
"""
out.write(compiler.compile_string(_in.read()))
def compile_static_assets(assets):
"""
Create stylesheet bundles.
:param assets: Flask-Assets Environment
:type assets: Environment
"""
assets.auto_build = True
assets.debug = True
def render_scss_file(filename, namespace):
root_dir = os.path.dirname(filename)
base_name, base_extension = os.path.splitext(os.path.basename(filename))
render_filename = os.path.join(root_dir, 'render_{}.css'.format(base_name))
with open(filename, 'r') as css_file, open(render_filename, 'w') as render_file:
css_content = css_file.read()
compiler = Compiler(namespace=namespace, output_style='compressed')
render_file.write(compiler.compile_string(css_content))
for folder in os.listdir('http'):
# Load keys
cur_path = os.path.join('http', folder)
with open(os.path.join(cur_path, 'settings.json'), 'r') as json_settings:
setting_keys = json.load(json_settings)
css_namespace = Namespace()
for key, value in setting_keys.items():
for base_class, scss_class in SCSS_MAP.items():
if isinstance(value, base_class):
css_namespace.set_variable('${}'.format(key), scss_class(value))
break
for item in os.listdir(os.path.join(cur_path, 'css')):
if item.endswith('.css'):
pass
elif item.endswith('.scss'):
render_scss_file(os.path.join(cur_path, 'css', item), css_namespace)
else:
pass
def compile(self,
scss_string=None,
scss_file=None,
source_files=None,
super_selector=None,
filename=None,
is_sass=None,
line_numbers=True,
import_static_css=False):
"""Compile Sass to CSS. Returns a single CSS string.
This method is DEPRECATED; see :mod:`scss.compiler` instead.
"""
# Derive our root namespace
self.scss_vars = _default_scss_vars.copy()
if self._scss_vars is not None:
self.scss_vars.update(self._scss_vars)
root_namespace = Namespace(
variables=self.scss_vars,
functions=self._library,
)
# Figure out search paths. Fall back from provided explicitly to
# defined globally to just searching the current directory
search_paths = ['.']
if self._search_paths is not None:
assert not isinstance(self._search_paths, six.string_types), \
"`search_paths` should be an iterable, not a string"
search_paths.extend(self._search_paths)
else:
if config.LOAD_PATHS:
if isinstance(config.LOAD_PATHS, six.string_types):
# Back-compat: allow comma-delimited
search_paths.extend(config.LOAD_PATHS.split(','))
else:
search_paths.extend(config.LOAD_PATHS)
search_paths.extend(self._scss_opts.get('load_paths', []))
# Normalize a few old styles of options
output_style = self._scss_opts.get('style', config.STYLE)
if output_style is True:
output_style = 'compressed'
elif output_style is False:
output_style = 'legacy'
fixed_search_path = []
for path in search_paths:
if isinstance(path, six.string_types):
fixed_search_path.append(Path(path))
else:
fixed_search_path.append(path)
# Build the compiler
compiler = Compiler(
namespace=root_namespace,
extensions=[
CoreExtension,
ExtraExtension,
FontsExtension,
CompassExtension,
BootstrapExtension,
],
search_path=fixed_search_path,
import_static_css=import_static_css,
live_errors=self.live_errors,
generate_source_map=self._scss_opts.get('debug_info', False),
output_style=output_style,
warn_unused_imports=self._scss_opts.get('warn_unused', False),
ignore_parse_errors=config.DEBUG,
loops_have_own_scopes=config.CONTROL_SCOPING,
undefined_variables_fatal=config.FATAL_UNDEFINED,
super_selector=super_selector or self.super_selector,
)
# Gonna add the source files manually
compilation = compiler.make_compilation()
# Inject the files we know about
# TODO how does this work with the expectation of absoluteness
if source_files is not None:
for source in source_files:
compilation.add_source(source)
elif scss_string is not None:
source = SourceFile.from_string(
scss_string,
relpath=filename,
is_sass=is_sass,
)
compilation.add_source(source)
elif scss_file is not None:
# This is now the only way to allow forcibly overriding the
# filename a source "thinks" it is
with open(scss_file, 'rb') as f:
source = SourceFile.from_file(
f,
relpath=filename or scss_file,
is_sass=is_sass,
)
compilation.add_source(source)
# Plus the ones from the constructor
if self._scss_files:
for name, contents in list(self._scss_files.items()):
source = SourceFile.from_string(contents, relpath=name)
compilation.add_source(source)
return compiler.call_and_catch_errors(compilation.run)
class SassRule(object):
"""At its heart, a CSS rule: combination of a selector and zero or more
properties. But this is Sass, so it also tracks some Sass-flavored
metadata, like `@extend` rules and `@media` nesting.
"""
def __init__(
self, source_file, import_key=None, unparsed_contents=None,
num_header_lines=0,
options=None, legacy_compiler_options=None, properties=None,
namespace=None,
lineno=0, extends_selectors=frozenset(),
ancestry=None,
nested=0,
from_source_file=None, from_lineno=0):
self.from_source_file = from_source_file
self.from_lineno = from_lineno
self.source_file = source_file
self.import_key = import_key
self.lineno = lineno
self.num_header_lines = num_header_lines
self.unparsed_contents = unparsed_contents
self.legacy_compiler_options = legacy_compiler_options or {}
self.options = options or {}
self.extends_selectors = extends_selectors
if namespace is None:
assert False
self.namespace = Namespace()
else:
self.namespace = namespace
if properties is None:
self.properties = []
else:
self.properties = properties
if ancestry is None:
self.ancestry = RuleAncestry()
else:
self.ancestry = ancestry
self.nested = nested
self.descendants = 0
def __repr__(self):
# TODO probably want to encode this with string_escape on python 2, and
# similar elsewhere, especially since this file has unicode_literals
return "<SassRule %s, %d props>" % (
self.ancestry,
len(self.properties),
)
@property
def selectors(self):
# TEMPORARY
if self.ancestry.headers and self.ancestry.headers[-1].is_selector:
return self.ancestry.headers[-1].selectors
else:
return ()
@property
def file_and_line(self):
"""Return the filename and line number where this rule originally
appears, in the form "foo.scss:3". Used for error messages.
"""
ret = "%s:%d" % (self.source_file.path, self.lineno)
if self.from_source_file:
ret += " (%s:%d)" % (self.from_source_file.path, self.from_lineno)
return ret
@property
def is_empty(self):
"""Return whether this rule is considered "empty" -- i.e., has no
contents that should end up in the final CSS.
"""
if self.properties:
# Rules containing CSS properties are never empty
return False
if not self.descendants:
for header in self.ancestry.headers:
if header.is_atrule and header.directive != '@media':
# At-rules should always be preserved, UNLESS they are @media
# blocks, which are known to be noise if they don't have any
# contents of their own
return False
return True
@property
def is_pure_placeholder(self):
selectors = self.selectors
if not selectors:
return False
for s in selectors:
if not s.has_placeholder:
return False
return True
def copy(self):
return type(self)(
source_file=self.source_file,
lineno=self.lineno,
from_source_file=self.from_source_file,
from_lineno=self.from_lineno,
unparsed_contents=self.unparsed_contents,
legacy_compiler_options=self.legacy_compiler_options,
options=self.options,
#properties=list(self.properties),
properties=self.properties,
extends_selectors=self.extends_selectors,
#ancestry=list(self.ancestry),
ancestry=self.ancestry,
namespace=self.namespace.derive(),
nested=self.nested,
)
class SassRepl(object):
def __init__(self, is_sass=False):
# TODO it would be lovely to get these out of here, somehow
self.namespace = Namespace(variables=_default_scss_vars)
self.compiler = Compiler(namespace=self.namespace)
self.compilation = self.compiler.make_compilation()
self.legacy_compiler_options = {}
self.source_file = SourceFile.from_string('', '<shell>', is_sass=is_sass)
self.calculator = Calculator(self.namespace)
def __call__(self, s):
# TODO this is kind of invasive; surely it's possible to do this
# without calling only private methods
from pprint import pformat
if s in ('exit', 'quit'):
raise KeyboardInterrupt
for s in s.split(';'):
s = self.source_file.prepare_source(s.strip())
if not s:
continue
elif s.startswith('@'):
scope = None
properties = []
children = deque()
rule = SassRule(self.source_file, namespace=self.namespace, legacy_compiler_options=self.legacy_compiler_options, properties=properties)
block = UnparsedBlock(rule, 1, s, None)
code, name = (s.split(None, 1) + [''])[:2]
if code == '@option':
self.compilation._at_options(self.calculator, rule, scope, block)
continue
elif code == '@import':
self.compilation._at_import(self.calculator, rule, scope, block)
continue
elif code == '@include':
final_cont = ''
self.compilation._at_include(self.calculator, rule, scope, block)
code = self.compilation._print_properties(properties).rstrip('\n')
if code:
final_cont += code
if children:
self.compilation.children.extendleft(children)
self.compilation.parse_children()
code = self.compilation._create_css(self.compilation.rules).rstrip('\n')
if code:
final_cont += code
yield final_cont
continue
elif s == 'ls' or s.startswith('show(') or s.startswith('show ') or s.startswith('ls(') or s.startswith('ls '):
m = re.match(r'(?:show|ls)(\()?\s*([^,/\\) ]*)(?:[,/\\ ]([^,/\\ )]+))*(?(1)\))', s, re.IGNORECASE)
if m:
name = m.group(2)
code = m.group(3)
name = name and name.strip().rstrip('s') # remove last 's' as in functions
code = code and code.strip()
ns = self.namespace
if not name:
yield pformat(list(sorted(['vars', 'options', 'mixins', 'functions'])))
elif name in ('v', 'var', 'variable'):
variables = dict(ns._variables)
if code == '*':
pass
elif code:
variables = dict((k, v) for k, v in variables.items() if code in k)
else:
variables = dict((k, v) for k, v in variables.items() if not k.startswith('$--'))
yield pformat(variables)
elif name in ('o', 'opt', 'option'):
opts = self.legacy_compiler_options
if code == '*':
pass
elif code:
opts = dict((k, v) for k, v in opts.items() if code in k)
else:
opts = dict((k, v) for k, v in opts.items())
yield pformat(opts)
elif name in ('m', 'mix', 'mixin', 'f', 'func', 'funct', 'function'):
if name.startswith('m'):
funcs = dict(ns._mixins)
elif name.startswith('f'):
funcs = dict(ns._functions)
if code == '*':
pass
elif code:
funcs = dict((k, v) for k, v in funcs.items() if code in k[0])
else:
pass
# TODO print source when possible
yield pformat(funcs)
continue
elif s.startswith('$') and (':' in s or '=' in s):
prop, value = [a.strip() for a in _prop_split_re.split(s, 1)]
prop = self.calculator.do_glob_math(prop)
value = self.calculator.calculate(value)
self.namespace.set_variable(prop, value)
continue
# TODO respect compress?
try:
yield(self.calculator.calculate(s).render())
except (SyntaxError, SassEvaluationError) as e:
print("%s" % e, file=sys.stderr)
class CompassExtension(Extension):
name = 'compass'
namespace = Namespace()
def handle_import(self, name, compilation, rule):
"""Implementation of Compass's "magic" imports, which generate
spritesheets on the fly, given either a wildcard or the name of a
directory.
"""
from .sprites import sprite_map
# TODO check that the found file is actually under the root
if callable(config.STATIC_ROOT):
files = sorted(config.STATIC_ROOT(name))
else:
glob_path = os.path.join(config.STATIC_ROOT, name)
files = glob.glob(glob_path)
files = sorted(
(fn[len(config.STATIC_ROOT):], None) for fn in files)
if not files:
return
# Build magic context
calculator = compilation._make_calculator(rule.namespace)
map_name = os.path.normpath(os.path.dirname(name)).replace(
'\\', '_').replace('/', '_')
kwargs = {}
# TODO this is all kinds of busted. rule.context hasn't existed for
# ages.
def setdefault(var, val):
_var = '$' + map_name + '-' + var
if _var in rule.context:
kwargs[var] = calculator.interpolate(rule.context[_var], rule,
self._library)
else:
rule.context[_var] = val
kwargs[var] = calculator.interpolate(val, rule, self._library)
return rule.context[_var]
setdefault('sprite-base-class',
String('.' + map_name + '-sprite', quotes=None))
setdefault('sprite-dimensions', Boolean(False))
position = setdefault('position', Number(0, '%'))
spacing = setdefault('spacing', Number(0))
repeat = setdefault('repeat', String('no-repeat', quotes=None))
names = tuple(
os.path.splitext(os.path.basename(file))[0]
for file, storage in files)
for n in names:
setdefault(n + '-position', position)
setdefault(n + '-spacing', spacing)
setdefault(n + '-repeat', repeat)
rule.context['$' + map_name + '-' + 'sprites'] = sprite_map(
name, **kwargs)
generated_code = '''
@import "compass/utilities/sprites/base";
// All sprites should extend this class
// The %(map_name)s-sprite mixin will do so for you.
#{$%(map_name)s-sprite-base-class} {
background: $%(map_name)s-sprites;
}
// Use this to set the dimensions of an element
// based on the size of the original image.
@mixin %(map_name)s-sprite-dimensions($name) {
@include sprite-dimensions($%(map_name)s-sprites, $name);
}
// Move the background position to display the sprite.
@mixin %(map_name)s-sprite-position($name, $offset-x: 0, $offset-y: 0) {
@include sprite-position($%(map_name)s-sprites, $name, $offset-x, $offset-y);
}
// Extends the sprite base class and set the background position for the desired sprite.
// It will also apply the image dimensions if $dimensions is true.
@mixin %(map_name)s-sprite($name, $dimensions: $%(map_name)s-sprite-dimensions, $offset-x: 0, $offset-y: 0) {
@extend #{$%(map_name)s-sprite-base-class};
@include sprite($%(map_name)s-sprites, $name, $dimensions, $offset-x, $offset-y);
}
@mixin %(map_name)s-sprites($sprite-names, $dimensions: $%(map_name)s-sprite-dimensions) {
@include sprites($%(map_name)s-sprites, $sprite-names, $%(map_name)s-sprite-base-class, $dimensions);
}
// Generates a class for each sprited image.
@mixin all-%(map_name)s-sprites($dimensions: $%(map_name)s-sprite-dimensions) {
@include %(map_name)s-sprites(%(sprites)s, $dimensions);
}
''' % {
'map_name': map_name,
'sprites': ' '.join(names)
}
return SourceFile.from_string(generated_code)
class FontsExtension(Extension):
"""Functions for creating and manipulating fonts."""
name = 'fonts'
namespace = Namespace()
class ExtraExtension(Extension):
"""Extra functions unique to the pyScss library."""
name = 'extra'
namespace = Namespace()
