def render(content="hello world",
stream=None,
filename=None,
path=None,
context={},
lexers={},
delimiters=('{{', '}}'),
writer='response.write'):
"""
Generic render function
Args:
content: default content
stream: file-like obj to read template from
filename: where to find template
path: base path for templates
context: env
lexers: custom lexers to use
delimiters: opening and closing tags
writer: where to inject the resulting stream
Example::
>>> render()
'hello world'
>>> render(content='abc')
'abc'
>>> render(content="abc'")
"abc'"
>>> render(content=''''a"'bc''')
'a"'bc'
>>> render(content='a\\nbc')
'a\\nbc'
>>> render(content='a"bcd"e')
'a"bcd"e'
>>> render(content="'''a\\nc'''")
"'''a\\nc'''"
>>> render(content="'''a\\'c'''")
"'''a\'c'''"
>>> render(content='{{for i in range(a):}}{{=i}}<br />{{pass}}', context=dict(a=5))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content='{%for i in range(a):%}{%=i%}<br />{%pass%}', context=dict(a=5),delimiters=('{%','%}'))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content="{{='''hello\\nworld'''}}")
'hello\\nworld'
>>> render(content='{{for i in range(3):\\n=i\\npass}}')
'012'
"""
# here to avoid circular Imports
try:
from gluon.globals import Response
except ImportError:
# Working standalone. Build a mock Response object.
Response = DummyResponse
# Add it to the context so we can use it.
if not 'NOESCAPE' in context:
context['NOESCAPE'] = NOESCAPE
if isinstance(content, unicodeT):
content = content.encode('utf8')
# save current response class
if context and 'response' in context:
old_response_body = context['response'].body
context['response'].body = StringIO()
else:
old_response_body = None
context['response'] = Response()
# If we don't have anything to render, why bother?
if not content and not stream and not filename:
raise SyntaxError("Must specify a stream or filename or content")
# Here for legacy purposes, probably can be reduced to
# something more simple.
close_stream = False
if not stream:
if filename:
stream = open(filename, 'rb')
close_stream = True
elif content:
stream = StringIO(to_native(content))
# Execute the template.
code = str(
TemplateParser(stream.read(),
context=context,
path=path,
lexers=lexers,
delimiters=delimiters,
writer=writer))
try:
exec(code, context)
except Exception:
# for i,line in enumerate(code.split('\n')): print i,line
raise
if close_stream:
stream.close()
# Returned the rendered content.
text = context['response'].body.getvalue()
if old_response_body is not None:
context['response'].body = old_response_body
return text
def render(content="hello world",
stream=None,
filename=None,
path=None,
context={},
lexers={},
delimiters=('{{', '}}'),
writer='response.write'
):
"""
Generic render function
Args:
content: default content
stream: file-like obj to read template from
filename: where to find template
path: base path for templates
context: env
lexers: custom lexers to use
delimiters: opening and closing tags
writer: where to inject the resulting stream
Example::
>>> render()
'hello world'
>>> render(content='abc')
'abc'
>>> render(content="abc'")
"abc'"
>>> render(content=''''a"'bc''')
'a"'bc'
>>> render(content='a\\nbc')
'a\\nbc'
>>> render(content='a"bcd"e')
'a"bcd"e'
>>> render(content="'''a\\nc'''")
"'''a\\nc'''"
>>> render(content="'''a\\'c'''")
"'''a\'c'''"
>>> render(content='{{for i in range(a):}}{{=i}}<br />{{pass}}', context=dict(a=5))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content='{%for i in range(a):%}{%=i%}<br />{%pass%}', context=dict(a=5),delimiters=('{%','%}'))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content="{{='''hello\\nworld'''}}")
'hello\\nworld'
>>> render(content='{{for i in range(3):\\n=i\\npass}}')
'012'
"""
# here to avoid circular Imports
try:
from gluon.globals import Response
except ImportError:
# Working standalone. Build a mock Response object.
Response = DummyResponse
# Add it to the context so we can use it.
if 'NOESCAPE' not in context:
context['NOESCAPE'] = NOESCAPE
if isinstance(content, unicodeT):
content = content.encode('utf8')
# save current response class
if context and 'response' in context:
old_response_body = context['response'].body
context['response'].body = StringIO()
else:
old_response_body = None
context['response'] = Response()
# If we don't have anything to render, why bother?
if not content and not stream and not filename:
raise SyntaxError("Must specify a stream or filename or content")
# Here for legacy purposes, probably can be reduced to
# something more simple.
close_stream = False
if not stream:
if filename:
stream = open(filename, 'rb')
close_stream = True
elif content:
stream = StringIO(to_native(content))
# Execute the template.
code = str(TemplateParser(stream.read(
), context=context, path=path, lexers=lexers, delimiters=delimiters, writer=writer))
try:
exec(code, context)
except Exception:
# for i,line in enumerate(code.split('\n')): print i,line
raise
if close_stream:
stream.close()
# Returned the rendered content.
text = context['response'].body.getvalue()
if old_response_body is not None:
context['response'].body = old_response_body
return text
def render(content=None,
stream=None,
filename=None,
path=None,
context=None,
lexers=None,
delimiters='{{ }}',
writer='response.write',
reader=None):
"""
Generic render function
Args:
content: default content
stream: file-like obj to read template from
filename: where to find template
path: base path for templates
context: env
lexers: custom lexers to use
delimiters: opening and closing tags
writer: where to inject the resulting stream
Example::
>>> render()
'hello world'
>>> render(content='abc')
'abc'
>>> render(content="abc'")
"abc'"
>>> render(content=''''a"'bc''')
'a"'bc'
>>> render(content='a\\nbc')
'a\\nbc'
>>> render(content='a"bcd"e')
'a"bcd"e'
>>> render(content="'''a\\nc'''")
"'''a\\nc'''"
>>> render(content="'''a\\'c'''")
"'''a\'c'''"
>>> render(content='{{for i in range(a):}}{{=i}}<br />{{pass}}', context=dict(a=5))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content='{%for i in range(a):%}{%=i%}<br />{%pass%}', context=dict(a=5),delimiters=('{%','%}'))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content="{{='''hello\\nworld'''}}")
'hello\\nworld'
>>> render(content='{{for i in range(3):\\n=i\\npass}}')
'012'
"""
# If we don't have anything to render, why bother?
if content is None and stream is None and filename is None:
raise SyntaxError("Must specify a stream or filename or content")
# handle defaults
if context is None:
context = {}
if lexers is None:
lexers = {}
if isinstance(delimiters, basestring):
delimiters = delimiters.split(' ', 1)
if not reader:
reader = file_reader
# allow optional alternative delimiters
if hasattr(context.get('response', None), 'delimiters'):
if context['response'].delimiters is not None:
delimiters = context['response'].delimiters
# here to avoid circular Imports
try:
from gluon.globals import Response
except ImportError:
# Working standalone. Build a mock Response object.
Response = DummyResponse
# Add it to the context so we can use it.
if 'NOESCAPE' not in context:
context['NOESCAPE'] = NOESCAPE
if isinstance(content, unicodeT):
content = content.encode('utf8')
# save current response class
if context and 'response' in context:
old_response_body = context['response'].body
context['response'].body = StringIO()
else:
old_response_body = None
context['response'] = Response()
if content is None:
if stream is not None:
content = stream.read()
elif filename is not None:
content = reader(filename)
else:
content = '(no template found)'
# Execute the template.
code = str(
TemplateParser(text=content,
context=context,
path=path,
lexers=lexers,
delimiters=delimiters,
writer=writer,
reader=reader))
try:
exec(code, context)
except Exception:
# for i,line in enumerate(code.split('\n')): print i,line
raise
# Returned the rendered content.
text = context['response'].body.getvalue()
if old_response_body is not None:
context['response'].body = old_response_body
return text
def render(content=None,
stream=None,
filename=None,
path=None,
context=None,
lexers=None,
delimiters='{{ }}',
writer='response.write',
reader=None
):
"""
Generic render function
Args:
content: default content
stream: file-like obj to read template from
filename: where to find template
path: base path for templates
context: env
lexers: custom lexers to use
delimiters: opening and closing tags
writer: where to inject the resulting stream
Example::
>>> render()
'hello world'
>>> render(content='abc')
'abc'
>>> render(content="abc'")
"abc'"
>>> render(content=''''a"'bc''')
'a"'bc'
>>> render(content='a\\nbc')
'a\\nbc'
>>> render(content='a"bcd"e')
'a"bcd"e'
>>> render(content="'''a\\nc'''")
"'''a\\nc'''"
>>> render(content="'''a\\'c'''")
"'''a\'c'''"
>>> render(content='{{for i in range(a):}}{{=i}}<br />{{pass}}', context=dict(a=5))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content='{%for i in range(a):%}{%=i%}<br />{%pass%}', context=dict(a=5),delimiters=('{%','%}'))
'0<br />1<br />2<br />3<br />4<br />'
>>> render(content="{{='''hello\\nworld'''}}")
'hello\\nworld'
>>> render(content='{{for i in range(3):\\n=i\\npass}}')
'012'
"""
# If we don't have anything to render, why bother?
if content is None and stream is None and filename is None:
raise SyntaxError("Must specify a stream or filename or content")
# handle defaults
if context is None:
context = {}
if lexers is None:
lexers = {}
if isinstance(delimiters, basestring):
delimiters = delimiters.split(' ',1)
if not reader:
reader = file_reader
# allow optional alternative delimiters
if hasattr(context.get('response', None), 'delimiters'):
if context['response'].delimiters is not None:
delimiters = context['response'].delimiters
# here to avoid circular Imports
try:
from gluon.globals import Response
except ImportError:
# Working standalone. Build a mock Response object.
Response = DummyResponse
# Add it to the context so we can use it.
if 'NOESCAPE' not in context:
context['NOESCAPE'] = NOESCAPE
if isinstance(content, unicodeT):
content = content.encode('utf8')
# save current response class
if context and 'response' in context:
old_response_body = context['response'].body
context['response'].body = StringIO()
else:
old_response_body = None
context['response'] = Response()
if content is None:
if stream is not None:
content = stream.read()
elif filename is not None:
content = reader(filename)
else:
content = '(no template found)'
# Execute the template.
code = str(TemplateParser(text=content,
context=context,
path=path,
lexers=lexers,
delimiters=delimiters,
writer=writer,
reader=reader))
try:
exec(code, context)
except Exception:
# for i,line in enumerate(code.split('\n')): print i,line
raise
# Returned the rendered content.
text = context['response'].body.getvalue()
if old_response_body is not None:
context['response'].body = old_response_body
return text
