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 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)
def compile(
self, scss_string=None, scss_file=None, source_files=None,
super_selector=None, filename=None, is_sass=None,
line_numbers=True):
"""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'
# Build the compiler
compiler = Compiler(
namespace=root_namespace,
search_path=search_paths,
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),
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,
path=filename,
is_sass=is_sass,
)
compilation.add_source(source)
elif scss_file is not None:
source = SourceFile.from_filename(
scss_file,
path=filename,
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, path=name)
compilation.add_source(source)
return compiler.call_and_catch_errors(compilation.run)
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)
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)
