def template(*args, **kwargs):
'''
Get a rendered template as a string iterator.
You can use a name, a filename or a template string as first parameter.
Template rendering arguments can be passed as dictionaries
or directly (as keyword arguments).
'''
tpl = args[0] if args else None
adapter = kwargs.pop('template_adapter', SimpleTemplate)
lookup = kwargs.pop('template_lookup', TEMPLATE_PATH)
tplid = (id(lookup), tpl)
if tplid not in TEMPLATES or DEBUG:
settings = kwargs.pop('template_settings', {})
if isinstance(tpl, adapter):
TEMPLATES[tplid] = tpl
if settings: TEMPLATES[tplid].prepare(**settings)
elif "\n" in tpl or "{" in tpl or "%" in tpl or '$' in tpl:
TEMPLATES[tplid] = adapter(source=tpl, lookup=lookup, **settings)
else:
TEMPLATES[tplid] = adapter(name=tpl, lookup=lookup, **settings)
if not TEMPLATES[tplid]:
abort(500, 'Template (%s) not found' % tpl)
for dictarg in args[1:]: kwargs.update(dictarg)
return TEMPLATES[tplid].render(kwargs)
python类Template()的实例源码
def get_template(self, uri):
"""Return a :class:`.Template` object corresponding to the given
``uri``.
.. note:: The ``relativeto`` argument is not supported here at the moment.
"""
try:
if self.filesystem_checks:
return self._check(uri, self._collection[uri])
else:
return self._collection[uri]
except KeyError:
u = re.sub(r'^\/+', '', uri)
for dir in self.directories:
srcfile = posixpath.normpath(posixpath.join(dir, u))
if os.path.isfile(srcfile):
return self._load(srcfile, uri)
else:
raise exceptions.TopLevelLookupException(
"Cant locate template for uri %r" % uri)
def __init__(self, source=None, name=None, lookup=[], encoding='utf8', **settings):
""" Create a new template.
If the source parameter (str or buffer) is missing, the name argument
is used to guess a template filename. Subclasses can assume that
self.source and/or self.filename are set. Both are strings.
The lookup, encoding and settings parameters are stored as instance
variables.
The lookup parameter stores a list containing directory paths.
The encoding parameter should be used to decode byte strings or files.
The settings parameter contains a dict for engine-specific settings.
"""
self.name = name
self.source = source.read() if hasattr(source, 'read') else source
self.filename = source.filename if hasattr(source, 'filename') else None
self.lookup = map(os.path.abspath, lookup)
self.encoding = encoding
self.settings = self.settings.copy() # Copy from class variable
self.settings.update(settings) # Apply
if not self.source and self.name:
self.filename = self.search(self.name, self.lookup)
if not self.filename:
raise TemplateError('Template %s not found.' % repr(name))
if not self.source and not self.filename:
raise TemplateError('No template specified.')
self.prepare(**self.settings)
def template(*args, **kwargs):
'''
Get a rendered template as a string iterator.
You can use a name, a filename or a template string as first parameter.
Template rendering arguments can be passed as dictionaries
or directly (as keyword arguments).
'''
tpl = args[0] if args else None
template_adapter = kwargs.pop('template_adapter', SimpleTemplate)
if tpl not in TEMPLATES or DEBUG:
settings = kwargs.pop('template_settings', {})
lookup = kwargs.pop('template_lookup', TEMPLATE_PATH)
if isinstance(tpl, template_adapter):
TEMPLATES[tpl] = tpl
if settings: TEMPLATES[tpl].prepare(**settings)
elif "\n" in tpl or "{" in tpl or "%" in tpl or '$' in tpl:
TEMPLATES[tpl] = template_adapter(source=tpl, lookup=lookup, **settings)
else:
TEMPLATES[tpl] = template_adapter(name=tpl, lookup=lookup, **settings)
if not TEMPLATES[tpl]:
abort(500, 'Template (%s) not found' % tpl)
for dictarg in args[1:]: kwargs.update(dictarg)
return TEMPLATES[tpl].render(kwargs)
def __exit__(self, exc_type, *_):
if not self.status: self.status = 'exit' # silent exit
self.join()
return exc_type is not None and issubclass(exc_type, KeyboardInterrupt)
###############################################################################
# Template Adapters ############################################################
###############################################################################
def __init__(self,
source=None,
name=None,
lookup=None,
encoding='utf8', **settings):
""" Create a new template.
If the source parameter (str or buffer) is missing, the name argument
is used to guess a template filename. Subclasses can assume that
self.source and/or self.filename are set. Both are strings.
The lookup, encoding and settings parameters are stored as instance
variables.
The lookup parameter stores a list containing directory paths.
The encoding parameter should be used to decode byte strings or files.
The settings parameter contains a dict for engine-specific settings.
"""
self.name = name
self.source = source.read() if hasattr(source, 'read') else source
self.filename = source.filename if hasattr(source, 'filename') else None
self.lookup = [os.path.abspath(x) for x in lookup] if lookup else []
self.encoding = encoding
self.settings = self.settings.copy() # Copy from class variable
self.settings.update(settings) # Apply
if not self.source and self.name:
self.filename = self.search(self.name, self.lookup)
if not self.filename:
raise TemplateError('Template %s not found.' % repr(name))
if not self.source and not self.filename:
raise TemplateError('No template specified.')
self.prepare(**self.settings)
def prepare(self, **options):
from mako.template import Template
from mako.lookup import TemplateLookup
options.update({'input_encoding': self.encoding})
options.setdefault('format_exceptions', bool(DEBUG))
lookup = TemplateLookup(directories=self.lookup, **options)
if self.source:
self.tpl = Template(self.source, lookup=lookup, **options)
else:
self.tpl = Template(uri=self.name,
filename=self.filename,
lookup=lookup, **options)
def prepare(self, **options):
from Cheetah.Template import Template
self.context = threading.local()
self.context.vars = {}
options['searchList'] = [self.context.vars]
if self.source:
self.tpl = Template(source=self.source, **options)
else:
self.tpl = Template(file=self.filename, **options)
def prepare(self, **options):
from mako.template import Template
from mako.lookup import TemplateLookup
from plim import preprocessor
options.update({'input_encoding':self.encoding})
options.setdefault('format_exceptions', bool(DEBUG))
lookup = TemplateLookup(directories=self.lookup, **options)
if self.source:
self.tpl = Template(self.source, preprocessor = preprocessor, lookup=lookup, **options)
else:
self.tpl = Template(uri=self.name, preprocessor = preprocessor, filename=self.filename, lookup=lookup, **options)
def handle_align(self, tag: QqTag) -> str:
"""
Uses tags: align, number, label, item
Example:
\align
\item c^2 &= a^2 + b^2 \label eq:one
\item c &= \sqrt{a^2 + b^2} \label eq:two
:param tag:
:return:
"""
template = Template(
r"""\[
\begin{align}
<% items = tag("item") %>
% if items:
% for i, item in enumerate(items):
${formatter.format(item, blanks_to_pars=False)}
% if item.exists("number"):
\tag{${item.number_.value}}
% endif
% if i != len(items):
\\\
% endif
% endfor
% endif
\end{align}
\]
"""
)
return template.render(formatter=self, tag=tag)
def __init__(self,
source=None,
name=None,
lookup=None,
encoding='utf8', **settings):
""" Create a new template.
If the source parameter (str or buffer) is missing, the name argument
is used to guess a template filename. Subclasses can assume that
self.source and/or self.filename are set. Both are strings.
The lookup, encoding and settings parameters are stored as instance
variables.
The lookup parameter stores a list containing directory paths.
The encoding parameter should be used to decode byte strings or files.
The settings parameter contains a dict for engine-specific settings.
"""
self.name = name
self.source = source.read() if hasattr(source, 'read') else source
self.filename = source.filename if hasattr(source, 'filename') else None
self.lookup = [os.path.abspath(x) for x in lookup] if lookup else []
self.encoding = encoding
self.settings = self.settings.copy() # Copy from class variable
self.settings.update(settings) # Apply
if not self.source and self.name:
self.filename = self.search(self.name, self.lookup)
if not self.filename:
raise TemplateError('Template %s not found.' % repr(name))
if not self.source and not self.filename:
raise TemplateError('No template specified.')
self.prepare(**self.settings)
def prepare(self, **options):
from mako.template import Template
from mako.lookup import TemplateLookup
options.update({'input_encoding': self.encoding})
options.setdefault('format_exceptions', bool(DEBUG))
lookup = TemplateLookup(directories=self.lookup, **options)
if self.source:
self.tpl = Template(self.source, lookup=lookup, **options)
else:
self.tpl = Template(uri=self.name,
filename=self.filename,
lookup=lookup, **options)
def template(*args, **kwargs):
"""
Get a rendered template as a string iterator.
You can use a name, a filename or a template string as first parameter.
Template rendering arguments can be passed as dictionaries
or directly (as keyword arguments).
"""
tpl = args[0] if args else None
for dictarg in args[1:]:
kwargs.update(dictarg)
adapter = kwargs.pop('template_adapter', MakoTemplate)
lookup = kwargs.pop('template_lookup', TEMPLATE_PATH)
tplid = (id(lookup), tpl)
if tplid not in TEMPLATES or DEBUG:
settings = kwargs.pop('template_settings', {})
if isinstance(tpl, adapter):
TEMPLATES[tplid] = tpl
if settings: TEMPLATES[tplid].prepare(**settings)
elif "\n" in tpl or "{" in tpl or "%" in tpl or '$' in tpl:
TEMPLATES[tplid] = adapter(source=tpl, lookup=lookup, **settings)
else:
TEMPLATES[tplid] = adapter(name=tpl, lookup=lookup, **settings)
if not TEMPLATES[tplid]:
abort(500, 'Template (%s) not found' % tpl)
return TEMPLATES[tplid].render(kwargs)
#mako_template = functools.partial(template, template_adapter=MakoTemplate)
def import_statement(self):
if self.is_default:
return Template("""import ${name} from '${path}'""").render(
name=self.name, path=self.path)
return Template("""import {${name}} from '${path}'""").render(
name=self.name, path=self.path)
def update_dependencies(self):
# No children for CustomTabBarHeader
from mako.template import Template
for source_name, source_path in self.icon_source_tuples:
image_source_dependency = Template(
"""import ${name} from '${path}'""").render(name=source_name,
path=source_path)
self.dependencies.add(image_source_dependency)
def update_dependencies(self):
for child in self.children:
self.dependencies.add(child.import_statement())
if not child.is_exportable_component():
child.update_dependencies()
self.dependencies.update(child.dependencies)
from mako.template import Template
if self.source_name and self.source_path:
image_source_dependency = Template(
"""import ${name} from '${path}'""").render(
name=self.source_name,
path=self.source_path)
self.dependencies.add(image_source_dependency)
def import_statement(self):
if self.is_default:
return Template("""import ${name} from '${path}'""").render(
name=self.layer.name, path=self.path)
return Template("""import { ${name} } from '${path}'""").render(
name=self.layer.name, path=self.path)
def import_statement(self):
if self.is_default:
return Template("""import ${name} from '${path}'""").render(
name=self.get_component_name(),
path=self.get_component_import_path())
return Template("""import { ${name} } from '${path}'""").render(
name=self.get_component_name(),
path=self.get_component_import_path())
def source(self):
"""Return the template source code for this :class:`.Template`."""
return _get_module_info_from_callable(self.callable_).source
def code(self):
"""Return the module source code for this :class:`.Template`."""
return _get_module_info_from_callable(self.callable_).code
