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90 lines
2.4 KiB
90 lines
2.4 KiB
# mako/cmd.py
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# Copyright 2006-2019 the Mako authors and contributors <see AUTHORS file>
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#
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# This module is part of Mako and is released under
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# the MIT License: http://www.opensource.org/licenses/mit-license.php
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from argparse import ArgumentParser
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from os.path import dirname
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from os.path import isfile
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import sys
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from mako import exceptions
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from mako.lookup import TemplateLookup
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from mako.template import Template
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def varsplit(var):
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if "=" not in var:
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return (var, "")
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return var.split("=", 1)
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def _exit():
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sys.stderr.write(exceptions.text_error_template().render())
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sys.exit(1)
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def cmdline(argv=None):
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parser = ArgumentParser()
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parser.add_argument(
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"--var",
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default=[],
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action="append",
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help="variable (can be used multiple times, use name=value)",
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)
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parser.add_argument(
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"--template-dir",
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default=[],
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action="append",
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help="Directory to use for template lookup (multiple "
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"directories may be provided). If not given then if the "
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"template is read from stdin, the value defaults to be "
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"the current directory, otherwise it defaults to be the "
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"parent directory of the file provided.",
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)
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parser.add_argument(
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"--output-encoding", default=None, help="force output encoding"
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)
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parser.add_argument("input", nargs="?", default="-")
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options = parser.parse_args(argv)
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output_encoding = options.output_encoding
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if options.input == "-":
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lookup_dirs = options.template_dir or ["."]
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lookup = TemplateLookup(lookup_dirs)
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try:
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template = Template(
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sys.stdin.read(),
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lookup=lookup,
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output_encoding=output_encoding,
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)
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except:
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_exit()
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else:
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filename = options.input
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if not isfile(filename):
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raise SystemExit("error: can't find %s" % filename)
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lookup_dirs = options.template_dir or [dirname(filename)]
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lookup = TemplateLookup(lookup_dirs)
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try:
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template = Template(
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filename=filename,
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lookup=lookup,
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output_encoding=output_encoding,
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)
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except:
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_exit()
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kw = dict([varsplit(var) for var in options.var])
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try:
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sys.stdout.write(template.render(**kw))
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except:
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_exit()
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if __name__ == "__main__":
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cmdline()
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