def _current_source_location():
"""Return source location in current BUILD file"""
from blade import build_manager # pylint: disable=import-outside-toplevel
source_dir = Path(build_manager.instance.get_current_source_path())
return source_location(os.path.join(str(source_dir), 'BUILD'))
def glob(include, exclude=None, excludes=None, allow_empty=False):
"""This function can be called in BUILD to specify a set of files using patterns.
Args:
include:List[str], file patterns to be matched.
exclude:Optional[List[str]], file patterns to be removed from the result.
allow_empty:bool: Whether a empty result is a error.
Patterns may contain shell-like wildcards, such as * , ? , or [charset].
Additionally, the path element '**' matches any subpath.
"""
from blade import build_manager # pylint: disable=import-outside-toplevel
source_dir = Path(build_manager.instance.get_current_source_path())
source_loc = _current_source_location()
include = var_to_list(include)
severity = config.get_item('global_config', 'glob_error_severity')
output = getattr(console, severity)
if excludes:
output('%s %s: "excludes" is deprecated, use "exclude" instead' %
(source_loc, severity),
prefix=False)
exclude = var_to_list(exclude) + var_to_list(excludes)
def includes_iterator():
results = []
for pattern in include:
for path in source_dir.glob(pattern):
if path.is_file() and not path.name.startswith('.'):
results.append(path.relative_to(source_dir))
return results
def is_special(pattern):
return '*' in pattern or '?' in pattern or '[' in pattern
non_special_excludes = set()
match_excludes = set()
for pattern in exclude:
if is_special(pattern):
match_excludes.add(pattern)
else:
non_special_excludes.add(pattern)
def exclusion(path):
if str(path) in non_special_excludes:
return True
for pattern in match_excludes:
ret = path.match(pattern)
if ret:
return True
return False
result = sorted({str(p) for p in includes_iterator() if not exclusion(p)})
if not result and not allow_empty:
args = repr(include)
if exclude:
args += ', exclude=%s' % repr(exclude)
output(
'%s %s: "glob(%s)" got an empty result. If it is the expected behavior, '
'specify "allow_empty=True" to eliminate this message' %
(source_loc, severity, args),
prefix=False)
return result
def glob(include, exclude=None, excludes=None, allow_empty=False):
"""This function can be called in BUILD to specify a set of files using patterns.
Args:
include:List(str), file patterns to be matched.
exclude:List[str], file patterns to be removed from the result.
allow_empty:bool: Whether a empty result is a error.
Patterns may contain shell-like wildcards, such as * , ? , or [charset].
Additionally, the path element '**' matches any subpath.
"""
from blade import build_manager
source_dir = Path(build_manager.instance.get_current_source_path())
include = var_to_list(include)
if excludes:
console.warning(
'//%s: "glob.excludes" is deprecated, use "exclude" instead' %
source_dir)
exclude = var_to_list(exclude) + var_to_list(excludes)
def includes_iterator():
results = []
for pattern in include:
for path in source_dir.glob(pattern):
if path.is_file() and not path.name.startswith('.'):
results.append(path.relative_to(source_dir))
return results
def is_special(pattern):
return '*' in pattern or '?' in pattern or '[' in pattern
non_special_excludes = set()
match_excludes = set()
for pattern in exclude:
if is_special(pattern):
match_excludes.add(pattern)
else:
non_special_excludes.add(pattern)
def exclusion(path):
if str(path) in non_special_excludes:
return True
for pattern in match_excludes:
ret = path.match(pattern)
if ret:
return True
return False
result = sorted(
set([str(p) for p in includes_iterator() if not exclusion(p)]))
if not result and not allow_empty:
args = repr(include)
if exclude:
args += ', exclude=%s' % repr(exclude)
console.error(
'//%s: "glob(%s)" got an empty result. If it is the expected behavior, '
'specify "allow_empty=True" to eliminate this error' %
(source_dir, args))
return result
