def setup_pp_env(page=None, page_filters=[], no_loader=False):
remote, path = get_page_where(page)
if remote:
logger.debug("Using remote template loader for page %s" % page)
pp_env = jinja2.Environment(loader=jinja2.FunctionLoader(read_markdown_remote))
elif no_loader:
logger.debug("Using a no-loader Jinja environment")
pp_env = jinja2.Environment()
else:
logger.debug("Using FileSystemLoader for page %s" % page)
pp_env = jinja2.Environment(loader=jinja2.FileSystemLoader(path))
# Pull exported values (& functions) from page filters into the pp_env
for filter_name in page_filters:
if filter_name not in config.filters.keys():
logger.debug("Skipping unloaded filter '%s'" % filter_name)
continue
if "export" in dir(config.filters[filter_name]):
for key,val in config.filters[filter_name].export.items():
logger.debug("... pulling in filter_%s's exported key '%s'" % (filter_name, key))
pp_env.globals[key] = val
return pp_env
python类FunctionLoader()的实例源码
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.name)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def render_jinja(dict_, template_str):
"""Render dict onto jinja template and return the string result"""
name = 'jvars'
def loader(n):
if n == name:
return template_str
else:
kkdir = pathfinder.PathFinder.find_kolla_kubernetes_dir()
path = os.path.join(kkdir, n)
with open(path) as f:
d = f.read()
return d
j2env = jinja2.Environment(
loader=jinja2.FunctionLoader(loader))
# Do not print type for bools "!!bool" on output
j2env.filters['bool'] = TypeUtils.str_to_bool
j2env.filters['min'] = min
j2env.filters['b64encode'] = lambda x: \
base64.b64encode(x.encode('ascii'))
j2env.filters['b64decode'] = base64.b64decode
j2env.filters['to_nice_yaml'] = lambda x: \
yaml.safe_dump(x, default_flow_style=False) if x else ''
# Add a "raise" keyword for raising exceptions from within jinja
def jinja_raise(message):
raise Exception(message)
j2env.globals['raise'] = jinja_raise
# Add a keyword for accessing KubeUtils from within jinja
j2env.globals['KubeUtils'] = KubeUtils
# Render the template
rendered_template = j2env.get_template(name).render(dict_)
return rendered_template + "\n"
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.name)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.name)
def prepare(self, filters=None, tests=None, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def _make_environment(load, additionals, extensions):
extensions.append(ext.with_)
env = jinja2.Environment(
loader=jinja2.FunctionLoader(load),
undefined=jinja2.StrictUndefined,
trim_blocks=True,
lstrip_blocks=True,
extensions=extensions,
)
for name, defs in additionals.items():
getattr(env, name).update(defs)
return env
def prepare(self, filters=None, tests=None, globals={}, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if globals: self.env.globals.update(globals)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)
def prepare(self, filters=None, tests=None, **kwargs):
from jinja2 import Environment, FunctionLoader
if 'prefix' in kwargs: # TODO: to be removed after a while
raise RuntimeError('The keyword argument `prefix` has been removed. '
'Use the full jinja2 environment name line_statement_prefix instead.')
self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
if filters: self.env.filters.update(filters)
if tests: self.env.tests.update(tests)
if self.source:
self.tpl = self.env.from_string(self.source)
else:
self.tpl = self.env.get_template(self.filename)