def do_build(options, args):
if options.output is not None:
out = open(options.output, 'wb')
else:
out = sys.stdout
# Get the unencoded stream on Python 3
out = getattr(out, 'buffer', out)
css = Scss(scss_opts={
'style': options.style,
'debug_info': options.debug_info,
})
if args:
source_files = [
SourceFile.from_file(sys.stdin, "<stdin>", is_sass=options.is_sass)
if path == '-' else SourceFile.from_filename(
path, is_sass=options.is_sass) for path in args
]
else:
source_files = [
SourceFile.from_file(sys.stdin, "<stdin>", is_sass=options.is_sass)
]
encodings = set(source.encoding for source in source_files)
if len(encodings) > 1:
sys.stderr.write("Can't combine these files! "
"They have different encodings: {0}\n".format(
', '.join(encodings)))
sys.exit(3)
output = css.compile(source_files=source_files)
out.write(output.encode(source_files[0].encoding))
for f, t in profiling.items():
sys.stderr.write("%s took %03fs" % (f, t))
def __call__(self, scss, system):
request = system.get('request')
response = request.response
response.cache_control.max_age = 3600
ct = response.content_type
if ct == response.default_content_type:
response.content_type = 'text/css'
css = self.cache.get(request.url)
if css is not None:
return css
asset_path = self.info.settings['scss.asset_path'].split()
parser = OscadScss(scss_opts=self.options,
search_paths=asset_path)
dirname, filename = os.path.split(scss)
try:
source_file = SourceFile('split',
'$icon-font-path: "{0}";\n'
'@import "{1}"'.format(
request.static_path('bootstrap/fonts/'),
filename))
source_file.parent_dir = dirname
css = parser.compile(source_file=source_file)
except SassError as e:
raise HTTPNotFound(e)
self.cache[request.url] = css
return css
def do_build(options, args):
if options.output is not None:
out = open(options.output, 'wb')
else:
out = sys.stdout
# Get the unencoded stream on Python 3
out = getattr(out, 'buffer', out)
css = Scss(scss_opts={
'style': options.style,
'debug_info': options.debug_info,
})
if args:
source_files = [
SourceFile.from_file(sys.stdin, "<stdin>", is_sass=options.is_sass) if path == '-' else SourceFile.from_filename(path, is_sass=options.is_sass)
for path in args
]
else:
source_files = [
SourceFile.from_file(sys.stdin, "<stdin>", is_sass=options.is_sass)]
encodings = set(source.encoding for source in source_files)
if len(encodings) > 1:
sys.stderr.write(
"Can't combine these files! "
"They have different encodings: {0}\n"
.format(', '.join(encodings))
)
sys.exit(3)
output = css.compile(source_files=source_files)
out.write(output.encode(source_files[0].encoding))
for f, t in profiling.items():
sys.stderr.write("%s took %03fs" % (f, t))
def Compilation(self, scss_string=None, scss_file=None,
super_selector=None, filename=None, is_sass=None,
line_numbers=True, source_file=None):
if super_selector:
self.super_selector = super_selector + ' '
self.reset()
if scss_string is not None:
source_file = SourceFile.from_string(scss_string, filename, is_sass, line_numbers)
elif scss_file is not None:
source_file = SourceFile.from_filename(scss_file, filename, is_sass, line_numbers)
if source_file is not None:
# Clear the existing list of files
self.source_files = []
self.source_file_index = dict()
self.source_files.append(source_file)
self.source_file_index[source_file.filename] = source_file
# this will compile and manage rule: child objects inside of a node
self.parse_children()
# this will manage @extends
self.apply_extends()
rules_by_file, css_files = self.parse_properties()
all_rules = 0
all_selectors = 0
exceeded = ''
final_cont = ''
files = len(css_files)
for source_file in css_files:
rules = rules_by_file[source_file]
fcont, total_rules, total_selectors = self.create_css(rules)
all_rules += total_rules
all_selectors += total_selectors
if files > 1 and self.scss_opts.get('debug_info', False):
if source_file.is_string:
final_cont += "/* %s %s generated add up to a total of %s %s accumulated%s */\n" % (
total_selectors,
'selector' if total_selectors == 1 else 'selectors',
all_selectors,
'selector' if all_selectors == 1 else 'selectors',
exceeded)
else:
final_cont += "/* %s %s generated from '%s' add up to a total of %s %s accumulated%s */\n" % (
total_selectors,
'selector' if total_selectors == 1 else 'selectors',
source_file.filename,
all_selectors,
'selector' if all_selectors == 1 else 'selectors',
exceeded)
final_cont += fcont
return final_cont
def _do_import(self, rule, scope, block):
"""
Implements @import
Load and import mixins and functions and rules
"""
# Protect against going to prohibited places...
if any(scary_token in block.argument for
scary_token in ('..', '://', 'url(')):
rule.properties.append((block.prop, None))
return
names = block.argument.split(',')
for name in names:
name = dequote(name.strip())
full_name, relpath, content, seen_paths = self._load_file(rule, name)
if full_name is None:
load_paths_msg =\
"\nLoad paths:\n\t%s" % "\n\t".join(seen_paths)
raise ScssNotFound(
"File to import not found or unreadable: '%s' (%s)%s",
name, rule.file_and_line, load_paths_msg)
source_file = SourceFile(full_name,
content)
source_file.parent_dir = relpath
import_key = (name, source_file.parent_dir)
if rule.namespace.has_import(import_key):
# If already imported in this scope, skip
continue
_rule = SassRule(
source_file=source_file,
lineno=block.lineno,
import_key=import_key,
unparsed_contents=source_file.contents,
# rule
options=rule.options,
properties=rule.properties,
extends_selectors=rule.extends_selectors,
ancestry=rule.ancestry,
namespace=rule.namespace,
)
rule.namespace.add_import(import_key,
rule.import_key, rule.file_and_line)
self.manage_children(_rule, scope)
def _find_source_file(self, filename, relative_to=None):
paths = self.get_possible_import_paths(filename, relative_to)
log.debug("Searching for %s in %s", filename, paths)
for name in paths:
full_filename, storage = self.get_file_and_storage(name)
if full_filename:
if full_filename not in self.source_file_index:
with storage.open(full_filename) as f:
source = f.read()
source_file = SourceFile(full_filename, source)
# SourceFile.__init__ calls os.path.realpath on this, we don't want
# that, we want them to remain relative.
source_file.parent_dir = os.path.dirname(name)
self.source_files.append(source_file)
self.source_file_index[full_filename] = source_file
return self.source_file_index[full_filename]
def __init__(self, is_sass=False):
self.css = Scss()
self.namespace = self.css.root_namespace
self.options = self.css.scss_opts
self.source_file = SourceFile.from_string('',
'<shell>',
line_numbers=False,
is_sass=is_sass)
self.calculator = Calculator(self.namespace)
def _find_source_file(self, filename, relative_to=None):
paths = self.get_possible_import_paths(filename, relative_to)
log.debug('Searching for %s in %s', filename, paths)
for name in paths:
full_filename, storage = self.get_file_and_storage(name)
if full_filename:
if full_filename not in self.source_file_index:
with storage.open(full_filename) as f:
source = f.read()
source_file = SourceFile(
full_filename,
source,
)
# SourceFile.__init__ calls os.path.realpath on this, we don't want
# that, we want them to remain relative.
source_file.parent_dir = os.path.dirname(name)
self.source_files.append(source_file)
self.source_file_index[full_filename] = source_file
return self.source_file_index[full_filename]
def _do_import(self, rule, scope, block):
"""
Implements @import using the django storages API.
"""
# Protect against going to prohibited places...
if any(scary_token in block.argument for scary_token in ('..', '://', 'url(')):
rule.properties.append((block.prop, None))
return
full_filename = None
names = block.argument.split(',')
for name in names:
name = dequote(name.strip())
relative_to = rule.source_file.parent_dir
source_file = self._find_source_file(name, relative_to)
if source_file is None:
i_codestr = self._do_magic_import(rule, scope, block)
if i_codestr is not None:
source_file = SourceFile.from_string(i_codestr)
self.source_files.append(source_file)
self.source_file_index[full_filename] = source_file
if source_file is None:
log.warn("File to import not found or unreadable: '%s' (%s)", name, rule.file_and_line)
continue
import_key = (name, source_file.parent_dir)
if rule.namespace.has_import(import_key):
# If already imported in this scope, skip
continue
_rule = SassRule(
source_file=source_file,
lineno=block.lineno,
import_key=import_key,
unparsed_contents=source_file.contents,
# rule
options=rule.options,
properties=rule.properties,
extends_selectors=rule.extends_selectors,
ancestry=rule.ancestry,
namespace=rule.namespace,
)
rule.namespace.add_import(import_key, rule.import_key, rule.file_and_line)
self.manage_children(_rule, scope)
def _do_import(self, rule, scope, block):
"""
Implements @import using the django storages API.
"""
# Protect against going to prohibited places...
if any(scary_token in block.argument for scary_token in ('..', '://', 'url(')):
rule.properties.append((block.prop, None))
return
full_filename = None
names = block.argument.split(',')
for name in names:
name = dequote(name.strip())
relative_to = rule.source_file.parent_dir
source_file = self._find_source_file(name, relative_to)
if source_file is None:
i_codestr = self._do_magic_import(rule, scope, block)
if i_codestr is not None:
source_file = SourceFile.from_string(i_codestr)
self.source_files.append(source_file)
self.source_file_index[full_filename] = source_file
if source_file is None:
log.warn("File to import not found or unreadable: '%s' (%s)", name, rule.file_and_line)
continue
import_key = (name, source_file.parent_dir)
if rule.namespace.has_import(import_key):
# If already imported in this scope, skip
continue
_rule = SassRule(
source_file=source_file,
lineno=block.lineno,
import_key=import_key,
unparsed_contents=source_file.contents,
# rule
options=rule.options,
properties=rule.properties,
extends_selectors=rule.extends_selectors,
ancestry=rule.ancestry,
namespace=rule.namespace,
)
rule.namespace.add_import(import_key, rule.import_key, rule.file_and_line)
self.manage_children(_rule, scope)
def __init__(self, is_sass=False):
self.css = Scss()
self.namespace = self.css.root_namespace
self.options = self.css.scss_opts
self.source_file = SourceFile.from_string('', '<shell>', line_numbers=False, is_sass=is_sass)
self.calculator = Calculator(self.namespace)
def main():
logging.basicConfig(format="%(levelname)s: %(message)s")
from optparse import OptionGroup, OptionParser, SUPPRESS_HELP
parser = OptionParser(usage="Usage: %prog [options] [file]",
description="Converts Scss files to CSS.",
add_help_option=False)
parser.add_option("-i", "--interactive", action="store_true",
help="Run an interactive Scss shell")
parser.add_option("-w", "--watch", metavar="DIR",
help="Watch the files in DIR, and recompile when they change")
parser.add_option("-r", "--recursive", action="store_true",
help="Also watch directories inside of the watch directory")
parser.add_option("-o", "--output", metavar="PATH",
help="Write output to PATH (a directory if using watch, a file otherwise)")
parser.add_option("-s", "--suffix", metavar="STRING",
help="If using watch, a suffix added to the output filename (i.e. filename.STRING.css)")
parser.add_option("--time", action="store_true",
help="Display compliation times")
parser.add_option("--debug-info", action="store_true",
help="Turns on scss's debugging information")
parser.add_option("--no-debug-info", action="store_false",
dest="debug_info", default=False,
help="Turns off scss's debugging information")
parser.add_option("-t", "--test", action="store_true", help=SUPPRESS_HELP)
parser.add_option("-C", "--no-compress", action="store_false",
dest="compress", default=True,
help="Don't minify outputted CSS")
parser.add_option("-?", action="help", help=SUPPRESS_HELP)
parser.add_option("-h", "--help", action="help",
help="Show this message and exit")
parser.add_option("-v", "--version", action="store_true",
help="Print version and exit")
paths_group = OptionGroup(parser, "Resource Paths")
paths_group.add_option("-I", "--load-path", metavar="PATH",
action="append", dest="load_paths",
help="Add a scss import path, may be given multiple times")
paths_group.add_option("-S", "--static-root", metavar="PATH", dest="static_root",
help="Static root path (Where images and static resources are located)")
paths_group.add_option("-A", "--assets-root", metavar="PATH", dest="assets_root",
help="Assets root path (Sprite images will be created here)")
paths_group.add_option("-a", "--assets-url", metavar="URL", dest="assets_url",
help="URL to reach the files in your assets_root")
parser.add_option_group(paths_group)
(options, args) = parser.parse_args()
# General runtime configuration
config.VERBOSITY = 0
if options.time:
config.VERBOSITY = 2
if options.static_root is not None:
config.STATIC_ROOT = options.static_root
if options.assets_root is not None:
config.ASSETS_ROOT = options.assets_root
if options.load_paths is not None:
# TODO: Convert global LOAD_PATHS to a list. Use it directly.
# Doing the above will break backwards compatibility!
if hasattr(config.LOAD_PATHS, 'split'):
load_path_list = [p.strip() for p in config.LOAD_PATHS.split(',')]
else:
load_path_list = list(config.LOAD_PATHS)
for path_param in options.load_paths:
for p in path_param.replace(os.pathsep, ',').replace(';', ',').split(','):
p = p.strip()
if p and p not in load_path_list:
load_path_list.append(p)
# TODO: Remove this once global LOAD_PATHS is a list.
if hasattr(config.LOAD_PATHS, 'split'):
config.LOAD_PATHS = ','.join(load_path_list)
else:
config.LOAD_PATHS = load_path_list
if options.assets_url is not None:
config.ASSETS_URL = options.assets_url
# Execution modes
if options.test:
import doctest
doctest.testfile('tests.rst')
elif options.version:
print BUILD_INFO
elif options.interactive:
from pprint import pprint
try:
import atexit
import readline
histfile = os.path.expanduser('~/.scss-history')
try:
readline.read_history_file(histfile)
except IOError:
pass
atexit.register(readline.write_history_file, histfile)
except ImportError:
pass
css = Scss()
context = css.scss_vars
options = css.scss_opts
source_file = SourceFile.from_string('', '<shell>')
rule = SassRule(source_file, context=context, options=options)
print "Welcome to %s interactive shell" % BUILD_INFO
while True:
try:
s = raw_input('>>> ').strip()
except EOFError:
print
break
except KeyboardInterrupt:
print
break
if s in ('exit', 'quit'):
break
for s in s.split(';'):
s = source_file.prepare_source(s.strip(), line_numbers=False)
if not s:
continue
elif s.startswith('@'):
properties = []
children = deque()
SassRule(source_file, context=context, options=options, properties=properties)
code, name = (s.split(None, 1) + [''])[:2]
if code == '@option':
css._settle_options(rule, [''], set(), children, None, None, s, None, code, name)
continue
elif code == '@import':
css._do_import(rule, [''], set(), children, None, None, s, None, code, name)
continue
elif code == '@include':
final_cont = ''
css._do_include(rule, [''], set(), children, None, None, s, None, code, name)
code = css._print_properties(properties).rstrip('\n')
if code:
final_cont += code
if children:
css.children.extendleft(children)
css.parse_children()
code = css._create_css(css.rules).rstrip('\n')
if code:
final_cont += code
final_cont = css.post_process(final_cont)
print 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()
if not name:
pprint(sorted(['vars', 'options', 'mixins', 'functions']))
elif name in ('v', 'var', 'variable'):
if code == '*':
d = dict((k, v) for k, v in context.items())
pprint(d)
elif code:
d = dict((k, v) for k, v in context.items() if code in k)
pprint(d)
else:
d = dict((k, v) for k, v in context.items() if k.startswith('$') and not k.startswith('$__'))
pprint(d)
elif name in ('o', 'opt', 'option'):
if code == '*':
d = dict((k, v) for k, v in options.items())
pprint(d)
elif code:
d = dict((k, v) for k, v in options.items() if code in k)
pprint(d)
else:
d = dict((k, v) for k, v in options.items() if not k.startswith('@'))
pprint(d)
elif name in ('m', 'mix', 'mixin', 'f', 'func', 'funct', 'function'):
if name.startswith('m'):
name = 'mixin'
elif name.startswith('f'):
name = 'function'
if code == '*':
d = dict((k[len(name) + 2:], v) for k, v in options.items() if k.startswith('@' + name + ' '))
pprint(sorted(d))
elif code:
d = dict((k, v) for k, v in options.items() if k.startswith('@' + name + ' ') and code in k)
seen = set()
for k, mixin in d.items():
mixin = getattr(mixin, 'mixin', mixin)
fn_name, _, _ = k.partition(':')
if fn_name not in seen:
seen.add(fn_name)
print fn_name + '(' + ', '.join(p + (': ' + mixin[1].get(p) if p in mixin[1] else '') for p in mixin[0]) + ') {'
print ' ' + '\n '.join(l for l in mixin[2].split('\n'))
print '}'
else:
d = dict((k[len(name) + 2:].split(':')[0], v) for k, v in options.items() if k.startswith('@' + name + ' '))
pprint(sorted(d))
continue
elif s.startswith('$') and (':' in s or '=' in s):
prop, value = [a.strip() for a in _prop_split_re.split(s, 1)]
prop = css.calculator.do_glob_math(prop, context, options, rule, True)
value = css.calculator.calculate(value, context, rule)
context[prop] = value
continue
s = to_str(css.calculator.calculate(s, context, rule))
s = css.post_process(s)
print s
print "Bye!"
elif options.watch:
import time
try:
from watchdog.observers import Observer
from watchdog.events import PatternMatchingEventHandler
except ImportError:
sys.stderr.write("Using watch functionality requires the `watchdog` library: http://pypi.python.org/pypi/watchdog/")
sys.exit(1)
if options.output and not os.path.isdir(options.output):
sys.stderr.write("watch file output directory is invalid: '%s'" % (options.output))
sys.exit(2)
class ScssEventHandler(PatternMatchingEventHandler):
def __init__(self, *args, **kwargs):
super(ScssEventHandler, self).__init__(*args, **kwargs)
self.css = Scss(scss_opts={
'compress': options.compress,
'debug_info': options.debug_info,
})
self.output = options.output
self.suffix = options.suffix
def is_valid(self, path):
return os.path.isfile(path) and path.endswith(".scss") and not os.path.basename(path).startswith("_")
def process(self, path):
if os.path.isdir(path):
for f in os.listdir(path):
full = os.path.join(path, f)
if self.is_valid(full):
self.compile(full)
elif self.is_valid(path):
self.compile(path)
def compile(self, src_path):
fname = os.path.basename(src_path)
if fname.endswith(".scss"):
fname = fname[:-5]
if self.suffix:
fname += "." + self.suffix
fname += ".css"
else:
# you didn't give me a file of the correct type!
return False
if self.output:
dest_path = os.path.join(self.output, fname)
else:
dest_path = os.path.join(os.path.dirname(src_path), fname)
print "Compiling %s => %s" % (src_path, dest_path)
src_file = open(src_path)
dest_file = open(dest_path, 'w')
dest_file.write(self.css.compile(src_file.read()))
def on_moved(self, event):
super(ScssEventHandler, self).on_moved(event)
self.process(event.dest_path)
def on_created(self, event):
super(ScssEventHandler, self).on_created(event)
self.process(event.src_path)
def on_modified(self, event):
super(ScssEventHandler, self).on_modified(event)
self.process(event.src_path)
event_handler = ScssEventHandler(patterns="*.scss")
observer = Observer()
observer.schedule(event_handler, path=options.watch, recursive=options.recursive)
observer.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
observer.stop()
observer.join()
else:
if options.output is not None:
output = open(options.output, 'wt')
else:
output = sys.stdout
css = Scss(scss_opts={
'compress': options.compress,
'debug_info': options.debug_info,
})
if args:
for path in args:
finput = open(path, 'rt')
output.write(css.compile(finput.read()))
else:
output.write(css.compile(sys.stdin.read()))
for f, t in profiling.items():
print >>sys.stderr, "%s took %03fs" % (f, t)
def Compilation(self, scss_string=None, scss_file=None, super_selector=None,
filename=None, is_sass=None, line_numbers=True,
relative_to=None):
"""
Overwritten to call _find_source_file instead of
SourceFile.from_filename. Also added the relative_to option.
"""
if not os.path.exists(config.ASSETS_ROOT):
os.makedirs(config.ASSETS_ROOT)
if super_selector:
self.super_selector = super_selector + ' '
self.reset()
source_file = None
if scss_string is not None:
source_file = SourceFile.from_string(scss_string, filename, is_sass, line_numbers)
# Set the parent_dir to be something meaningful instead of the
# current working directory, which is never correct for DjangoScss.
source_file.parent_dir = relative_to
elif scss_file is not None:
# Call _find_source_file instead of SourceFile.from_filename
source_file = self._find_source_file(scss_file)
if source_file is not None:
# Clear the existing list of files
self.source_files = []
self.source_file_index = dict()
self.source_files.append(source_file)
self.source_file_index[source_file.filename] = source_file
# this will compile and manage rule: child objects inside of a node
self.parse_children()
# this will manage @extends
self.apply_extends()
rules_by_file, css_files = self.parse_properties()
all_rules = 0
all_selectors = 0
exceeded = ''
final_cont = ''
files = len(css_files)
for source_file in css_files:
rules = rules_by_file[source_file]
fcont, total_rules, total_selectors = self.create_css(rules)
all_rules += total_rules
all_selectors += total_selectors
if not exceeded and all_selectors > 4095:
exceeded = " (IE exceeded!)"
log.error("Maximum number of supported selectors in Internet Explorer (4095) exceeded!")
if files > 1 and self.scss_opts.get('debug_info', False):
if source_file.is_string:
final_cont += "/* %s %s generated add up to a total of %s %s accumulated%s */\n" % (
total_selectors,
'selector' if total_selectors == 1 else 'selectors',
all_selectors,
'selector' if all_selectors == 1 else 'selectors',
exceeded)
else:
final_cont += "/* %s %s generated from '%s' add up to a total of %s %s accumulated%s */\n" % (
total_selectors,
'selector' if total_selectors == 1 else 'selectors',
source_file.filename,
all_selectors,
'selector' if all_selectors == 1 else 'selectors',
exceeded)
final_cont += fcont
return final_cont
def Compilation(self, scss_string=None, scss_file=None, super_selector=None,
filename=None, is_sass=None, line_numbers=True,
relative_to=None):
"""
Overwritten to call _find_source_file instead of
SourceFile.from_filename. Also added the relative_to option.
"""
if not os.path.exists(config.ASSETS_ROOT):
os.makedirs(config.ASSETS_ROOT)
if super_selector:
self.super_selector = super_selector + ' '
self.reset()
source_file = None
if scss_string is not None:
source_file = SourceFile.from_string(scss_string, filename, is_sass, line_numbers)
# Set the parent_dir to be something meaningful instead of the
# current working directory, which is never correct for DjangoScss.
source_file.parent_dir = relative_to
elif scss_file is not None:
# Call _find_source_file instead of SourceFile.from_filename
source_file = self._find_source_file(scss_file)
if source_file is not None:
# Clear the existing list of files
self.source_files = []
self.source_file_index = dict()
self.source_files.append(source_file)
self.source_file_index[source_file.filename] = source_file
# this will compile and manage rule: child objects inside of a node
self.parse_children()
# this will manage @extends
self.apply_extends()
rules_by_file, css_files = self.parse_properties()
all_rules = 0
all_selectors = 0
exceeded = ''
final_cont = ''
files = len(css_files)
for source_file in css_files:
rules = rules_by_file[source_file]
fcont, total_rules, total_selectors = self.create_css(rules)
all_rules += total_rules
all_selectors += total_selectors
if not exceeded and all_selectors > 4095:
exceeded = " (IE exceeded!)"
log.error("Maximum number of supported selectors in Internet Explorer (4095) exceeded!")
if files > 1 and self.scss_opts.get('debug_info', False):
if source_file.is_string:
final_cont += "/* %s %s generated add up to a total of %s %s accumulated%s */\n" % (
total_selectors,
'selector' if total_selectors == 1 else 'selectors',
all_selectors,
'selector' if all_selectors == 1 else 'selectors',
exceeded)
else:
final_cont += "/* %s %s generated from '%s' add up to a total of %s %s accumulated%s */\n" % (
total_selectors,
'selector' if total_selectors == 1 else 'selectors',
source_file.filename,
all_selectors,
'selector' if all_selectors == 1 else 'selectors',
exceeded)
final_cont += fcont
return final_cont
def main():
logging.basicConfig(format="%(levelname)s: %(message)s")
from optparse import OptionGroup, OptionParser, SUPPRESS_HELP
parser = OptionParser(usage="Usage: %prog [options] [file]",
description="Converts Scss files to CSS.",
add_help_option=False)
parser.add_option("-i",
"--interactive",
action="store_true",
help="Run an interactive Scss shell")
parser.add_option(
"-w",
"--watch",
metavar="DIR",
help="Watch the files in DIR, and recompile when they change")
parser.add_option(
"-r",
"--recursive",
action="store_true",
default=False,
help="Also watch directories inside of the watch directory")
parser.add_option(
"-o",
"--output",
metavar="PATH",
help=
"Write output to PATH (a directory if using watch, a file otherwise)")
parser.add_option(
"-s",
"--suffix",
metavar="STRING",
help=
"If using watch, a suffix added to the output filename (i.e. filename.STRING.css)"
)
parser.add_option("--time",
action="store_true",
help="Display compliation times")
parser.add_option("--debug-info",
action="store_true",
help="Turns on scss's debugging information")
parser.add_option("--no-debug-info",
action="store_false",
dest="debug_info",
default=False,
help="Turns off scss's debugging information")
parser.add_option("-t", "--test", action="store_true", help=SUPPRESS_HELP)
parser.add_option("-C",
"--no-compress",
action="store_false",
dest="compress",
default=True,
help="Don't minify outputted CSS")
parser.add_option("-?", action="help", help=SUPPRESS_HELP)
parser.add_option("-h",
"--help",
action="help",
help="Show this message and exit")
parser.add_option("-v",
"--version",
action="store_true",
help="Print version and exit")
paths_group = OptionGroup(parser, "Resource Paths")
paths_group.add_option(
"-I",
"--load-path",
metavar="PATH",
action="append",
dest="load_paths",
help="Add a scss import path, may be given multiple times")
paths_group.add_option(
"-S",
"--static-root",
metavar="PATH",
dest="static_root",
help="Static root path (Where images and static resources are located)"
)
paths_group.add_option(
"-A",
"--assets-root",
metavar="PATH",
dest="assets_root",
help="Assets root path (Sprite images will be created here)")
paths_group.add_option("-a",
"--assets-url",
metavar="URL",
dest="assets_url",
help="URL to reach the files in your assets_root")
paths_group.add_option(
"--cache-root",
metavar="PATH",
dest="cache_root",
help="Cache root path (Cache files will be created here)")
parser.add_option_group(paths_group)
parser.add_option("--sass",
action="store_true",
dest="is_sass",
default=None,
help="Sass mode")
(options, args) = parser.parse_args()
# General runtime configuration
config.VERBOSITY = 0
if options.time:
config.VERBOSITY = 2
if options.static_root is not None:
config.STATIC_ROOT = options.static_root
if options.assets_root is not None:
config.ASSETS_ROOT = options.assets_root
if options.cache_root is not None:
config.CACHE_ROOT = options.cache_root
if options.load_paths is not None:
# TODO: Convert global LOAD_PATHS to a list. Use it directly.
# Doing the above will break backwards compatibility!
if hasattr(config.LOAD_PATHS, 'split'):
load_path_list = [p.strip() for p in config.LOAD_PATHS.split(',')]
else:
load_path_list = list(config.LOAD_PATHS)
for path_param in options.load_paths:
for p in path_param.replace(os.pathsep,
',').replace(';', ',').split(','):
p = p.strip()
if p and p not in load_path_list:
load_path_list.append(p)
# TODO: Remove this once global LOAD_PATHS is a list.
if hasattr(config.LOAD_PATHS, 'split'):
config.LOAD_PATHS = ','.join(load_path_list)
else:
config.LOAD_PATHS = load_path_list
if options.assets_url is not None:
config.ASSETS_URL = options.assets_url
# Execution modes
if options.test:
import doctest
doctest.testfile('tests/tests.rst')
elif options.version:
print(BUILD_INFO)
elif options.interactive:
from pprint import pprint
try:
import atexit
import readline
histfile = os.path.expanduser('~/.scss-history')
try:
readline.read_history_file(histfile)
except IOError:
pass
atexit.register(readline.write_history_file, histfile)
except ImportError:
pass
is_sass = options.is_sass
css = Scss()
context = css.scss_vars
options = css.scss_opts
source_file = SourceFile.from_string('', '<shell>', line_numbers=False)
rule = SassRule(source_file,
context=context,
options=options,
is_sass=is_sass)
print("Welcome to %s interactive shell" % (BUILD_INFO, ))
while True:
try:
s = raw_input('>>> ').strip()
except EOFError:
print
break
except KeyboardInterrupt:
print
break
if s in ('exit', 'quit'):
break
for s in s.split(';'):
s = source_file.prepare_source(s.strip())
if not s:
continue
elif s.startswith('@'):
properties = []
children = deque()
SassRule(source_file,
context=context,
options=options,
properties=properties)
code, name = (s.split(None, 1) + [''])[:2]
if code == '@option':
css._settle_options(rule, [''], set(), children, None,
None, s, None, code, name)
continue
elif code == '@import':
css._do_import(rule, [''], set(), children, None, None,
s, None, code, name)
continue
elif code == '@include':
final_cont = ''
css._do_include(rule, [''], set(), children, None,
None, s, None, code, name)
code = css._print_properties(properties).rstrip('\n')
if code:
final_cont += code
if children:
css.children.extendleft(children)
css.parse_children()
code = css._create_css(css.rules).rstrip('\n')
if code:
final_cont += code
final_cont = css.post_process(final_cont)
print(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()
if not name:
pprint(
sorted(
['vars', 'options', 'mixins',
'functions']))
elif name in ('v', 'var', 'variable'):
if code == '*':
d = dict((k, v) for k, v in context.items())
pprint(d)
elif code:
d = dict((k, v) for k, v in context.items()
if code in k)
pprint(d)
else:
d = dict((k, v) for k, v in context.items()
if k.startswith('$')
and not k.startswith('$__'))
pprint(d)
elif name in ('o', 'opt', 'option'):
if code == '*':
d = dict((k, v) for k, v in options.items())
pprint(d)
elif code:
d = dict((k, v) for k, v in options.items()
if code in k)
pprint(d)
else:
d = dict((k, v) for k, v in options.items()
if not k.startswith('@'))
pprint(d)
elif name in ('m', 'mix', 'mixin', 'f', 'func',
'funct', 'function'):
if name.startswith('m'):
name = 'mixin'
elif name.startswith('f'):
name = 'function'
if code == '*':
d = dict((k[len(name) + 2:], v)
for k, v in options.items()
if k.startswith('@' + name + ' '))
pprint(sorted(d))
elif code:
d = dict((k, v) for k, v in options.items()
if k.startswith('@' + name +
' ') and code in k)
seen = set()
for k, mixin in d.items():
mixin = getattr(mixin, 'mixin', mixin)
fn_name, _, _ = k.partition(':')
if fn_name not in seen:
seen.add(fn_name)
print(fn_name + '(' + ', '.join(
p + (': ' + mixin[1].get(p) if p in
mixin[1] else '')
for p in mixin[0]) + ') {')
print(' ' + '\n '.join(
l for l in mixin[2].split('\n')))
print('}')
else:
d = dict((k[len(name) + 2:].split(':')[0], v)
for k, v in options.items()
if k.startswith('@' + name + ' '))
pprint(sorted(d))
continue
elif s.startswith('$') and (':' in s or '=' in s):
prop, value = [
a.strip() for a in _prop_split_re.split(s, 1)
]
prop = css.calculator.do_glob_math(prop, context, options,
rule, True)
value = css.calculator.calculate(value, context, rule)
context[prop] = value
continue
s = to_str(css.calculator.calculate(s, context, rule))
s = css.post_process(s)
print(s)
print("Bye!")
elif options.watch:
import time
try:
from watchdog.observers import Observer
from watchdog.events import PatternMatchingEventHandler
except ImportError:
sys.stderr.write(
"Using watch functionality requires the `watchdog` library: http://pypi.python.org/pypi/watchdog/"
)
sys.exit(1)
if options.output and not os.path.isdir(options.output):
sys.stderr.write("watch file output directory is invalid: '%s'" %
(options.output))
sys.exit(2)
class ScssEventHandler(PatternMatchingEventHandler):
def __init__(self, *args, **kwargs):
super(ScssEventHandler, self).__init__(*args, **kwargs)
self.css = Scss(
scss_opts={
'compress': options.compress,
'debug_info': options.debug_info,
})
self.output = options.output
self.suffix = options.suffix
def is_valid(self, path):
return os.path.isfile(path) and (
path.endswith('.scss') or path.endswith('.sass')
) and not os.path.basename(path).startswith('_')
def process(self, path):
if os.path.isdir(path):
for f in os.listdir(path):
full = os.path.join(path, f)
if self.is_valid(full):
self.compile(full)
elif self.is_valid(path):
self.compile(path)
def compile(self, src_path):
fname = os.path.basename(src_path)
if fname.endswith('.scss') or fname.endswith('.sass'):
fname = fname[:-5]
if self.suffix:
fname += '.' + self.suffix
fname += '.css'
else:
# you didn't give me a file of the correct type!
return False
if self.output:
dest_path = os.path.join(self.output, fname)
else:
dest_path = os.path.join(os.path.dirname(src_path), fname)
print("Compiling %s => %s" % (src_path, dest_path))
dest_file = open(dest_path, 'w')
dest_file.write(self.css.compile(scss_file=src_path))
def on_moved(self, event):
super(ScssEventHandler, self).on_moved(event)
self.process(event.dest_path)
def on_created(self, event):
super(ScssEventHandler, self).on_created(event)
self.process(event.src_path)
def on_modified(self, event):
super(ScssEventHandler, self).on_modified(event)
self.process(event.src_path)
event_handler = ScssEventHandler(patterns=['*.scss', '*.sass'])
observer = Observer()
observer.schedule(event_handler,
path=options.watch,
recursive=options.recursive)
observer.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
observer.stop()
observer.join()
else:
if options.output is not None:
output = open(options.output, 'wt')
else:
output = sys.stdout
css = Scss(scss_opts={
'compress': options.compress,
'debug_info': options.debug_info,
})
if args:
for path in args:
output.write(
css.compile(scss_file=path, is_sass=options.is_sass))
else:
output.write(css.compile(sys.stdin.read(),
is_sass=options.is_sass))
for f, t in profiling.items():
sys.stderr.write("%s took %03fs" % (f, t))