108 lines
3.4 KiB
Python
Executable File
108 lines
3.4 KiB
Python
Executable File
# (c) 2005 Ian Bicking and contributors; written for Paste (http://pythonpaste.org)
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# Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
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import re
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import os
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import sys
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import shlex
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import pkg_resources
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import command
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class ExeCommand(command.Command):
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parser = command.Command.standard_parser(verbose=False)
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summary = "Run #! executable files"
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description = """\
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Use this at the top of files like:
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#!/usr/bin/env /path/to/paster exe subcommand <command options>
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The rest of the file will be used as a config file for the given
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command, if it wants a config file.
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You can also include an [exe] section in the file, which looks
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like:
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[exe]
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command = serve
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log_file = /path/to/log
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add = /path/to/other/config.ini
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Which translates to:
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paster serve --log-file=/path/to/log /path/to/other/config.ini
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"""
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hidden = True
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_exe_section_re = re.compile(r'^\s*\[\s*exe\s*\]\s*$')
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_section_re = re.compile(r'^\s*\[')
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def run(self, argv):
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if argv and argv[0] in ('-h', '--help'):
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print self.description
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return
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if os.environ.get('REQUEST_METHOD'):
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# We're probably in a CGI environment
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sys.stdout = sys.stderr
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os.environ['PASTE_DEFAULT_QUIET'] = 'true'
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# Maybe import cgitb or something?
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if '_' not in os.environ:
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print "Warning: this command is intended to be run with a #! like:"
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print " #!/usr/bin/env paster exe"
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print "It only works with /usr/bin/env, and only as a #! line."
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# Should I actually shlex.split the args?
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filename = argv[-1]
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args = argv[:-1]
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extra_args = []
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else:
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filename = os.environ['_']
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extra_args = argv[:]
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args = []
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while extra_args:
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if extra_args[0] == filename:
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extra_args.pop(0)
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break
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args.append(extra_args.pop(0))
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vars = {'here': os.path.dirname(filename),
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'__file__': filename}
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f = open(filename)
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lines = f.readlines()
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f.close()
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options = {}
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lineno = 1
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while lines:
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if self._exe_section_re.search(lines[0]):
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lines.pop(0)
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break
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lines.pop(0)
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lineno += 1
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pre_options = []
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options = args
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for line in lines:
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lineno += 1
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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if self._section_re.search(line):
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break
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if '=' not in line:
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raise command.BadCommand('Missing = in %s at %s: %r'
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% (filename, lineno, line))
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name, value = line.split('=', 1)
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name = name.strip()
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value = value.strip()
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if name == 'require':
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pkg_resources.require(value)
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elif name == 'command' or name == 'add':
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options.extend(shlex.split(value))
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elif name == 'plugin':
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options[:0] = ['--plugin', value]
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else:
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value = value % vars
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options.append('--%s=%s' % (name.replace('_', '-'), value))
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os.environ['PASTE_CONFIG_FILE'] = filename
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options.extend(extra_args)
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command.run(options)
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