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4cf87f6175
Correct typos of the following word families: overwritten descendants ASTERISK-29714 Change-Id: I2307e35887a3437e50317a4b86f0893f25f9fd3b
67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
#
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# Asterisk -- An open source telephony toolkit.
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#
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# Copyright (C) 2013, Digium, Inc.
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#
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# David M. Lee, II <dlee@digium.com>
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#
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# See http://www.asterisk.org for more information about
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# the Asterisk project. Please do not directly contact
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# any of the maintainers of this project for assistance;
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# the project provides a web site, mailing lists and IRC
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# channels for your use.
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#
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# This program is free software, distributed under the terms of
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# the GNU General Public License Version 2. See the LICENSE file
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# at the top of the source tree.
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#
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import filecmp
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import os.path
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import pystache
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import shutil
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import tempfile
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import sys
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if sys.version_info[0] == 3:
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def unicode(v):
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return str(v)
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class Transform(object):
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"""Transformation for template to code.
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"""
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def __init__(self, template_file, dest_file_template_str, overwrite=True):
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"""Ctor.
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@param template_file: Filename of the mustache template.
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@param dest_file_template_str: Destination file name. This is a
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mustache template, so each resource can write to a unique file.
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@param overwrite: If True, destination file is overwritten if it exists.
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"""
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template_str = unicode(open(template_file, "r").read())
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self.template = pystache.parse(template_str)
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dest_file_template_str = unicode(dest_file_template_str)
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self.dest_file_template = pystache.parse(dest_file_template_str)
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self.overwrite = overwrite
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def render(self, renderer, model, dest_dir):
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"""Render a model according to this transformation.
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@param render: Pystache renderer.
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@param model: Model object to render.
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@param dest_dir: Destination directory to write generated code.
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"""
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dest_file = pystache.render(self.dest_file_template, model)
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dest_file = os.path.join(dest_dir, dest_file)
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dest_exists = os.path.exists(dest_file)
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if dest_exists and not self.overwrite:
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return
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with tempfile.NamedTemporaryFile(mode='w+') as out:
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out.write(renderer.render(self.template, model))
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out.flush()
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if not dest_exists or not filecmp.cmp(out.name, dest_file):
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print("Writing %s" % dest_file)
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shutil.copyfile(out.name, dest_file)
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