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62 lines
2.8 KiB
Python
62 lines
2.8 KiB
Python
# Copyright (C) 2013 Google Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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import sys
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_current_dir = os.path.dirname(os.path.realpath(__file__))
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# jinja2 is in chromium's third_party directory
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# Insert at front to override system libraries, and after path[0] == script dir
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sys.path.insert(1, os.path.join(
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_current_dir, os.pardir, os.pardir, os.pardir, os.pardir, 'third_party'))
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import jinja2
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def apply_template(path_to_template, params, filters=None):
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dirname, basename = os.path.split(path_to_template)
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path_to_templates = os.path.join(_current_dir, 'templates')
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jinja_env = jinja2.Environment(
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loader=jinja2.FileSystemLoader([dirname, path_to_templates]),
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keep_trailing_newline=True, # newline-terminate generated files
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lstrip_blocks=True, # so can indent control flow tags
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trim_blocks=True) # so don't need {%- -%} everywhere
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if filters:
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jinja_env.filters.update(filters)
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template = jinja_env.get_template(basename)
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return template.render(params)
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def use_jinja(template_file_name, filters=None):
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def real_decorator(generator):
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def generator_internal(*args, **kwargs):
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parameters = generator(*args, **kwargs)
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return apply_template(template_file_name, parameters, filters=filters)
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generator_internal.func_name = generator.func_name
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return generator_internal
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return real_decorator
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