forked from mirrors/gecko-dev
25 lines
936 B
Python
25 lines
936 B
Python
from __future__ import absolute_import, print_function, unicode_literals
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import re
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from .render import renderValue, containsFunctions
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from .shared import JSONTemplateError, DeleteMarker, TemplateError, fromNow
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from . import builtins
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_context_re = re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*$')
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def render(template, context):
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if type(context) != dict:
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raise TemplateError("context must be a dictionary")
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if not all(_context_re.match(c) for c in context):
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raise TemplateError('top level keys of context must follow '
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'/[a-zA-Z_][a-zA-Z0-9_]*/')
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full_context = {'now': fromNow('0 seconds', None)}
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full_context.update(builtins.build())
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full_context.update(context)
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rv = renderValue(template, full_context)
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if rv is DeleteMarker:
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return None
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if containsFunctions(rv):
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raise TemplateError('evaluated template contained uncalled functions')
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return rv
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