61 lines
1.6 KiB
Python
61 lines
1.6 KiB
Python
"""
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Create command for Pecan
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"""
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import pkg_resources
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import logging
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from warnings import warn
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from pecan.commands import BaseCommand
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from pecan.scaffolds import DEFAULT_SCAFFOLD
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log = logging.getLogger(__name__)
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class ScaffoldManager(object):
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""" Used to discover `pecan.scaffold` entry points. """
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def __init__(self):
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self.scaffolds = {}
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self.load_scaffolds()
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def load_scaffolds(self):
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for ep in pkg_resources.iter_entry_points('pecan.scaffold'):
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log.debug('%s loading scaffold %s', self.__class__.__name__, ep)
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try:
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cmd = ep.load()
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cmd.copy_to # ensure existance; catch AttributeError otherwise
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except Exception as e: # pragma: nocover
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warn(
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"Unable to load scaffold %s: %s" % (ep, e), RuntimeWarning
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)
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continue
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self.add({ep.name: cmd})
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def add(self, cmd):
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self.scaffolds.update(cmd)
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class CreateCommand(BaseCommand):
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"""
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Creates the file layout for a new Pecan scaffolded project.
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"""
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manager = ScaffoldManager()
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arguments = ({
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'name': 'project_name',
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'help': 'the (package) name of the new project'
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}, {
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'name': 'template_name',
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'metavar': 'template_name',
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'help': 'a registered Pecan template',
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'nargs': '?',
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'default': DEFAULT_SCAFFOLD,
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'choices': manager.scaffolds.keys()
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})
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def run(self, args):
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super(CreateCommand, self).run(args)
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self.manager.scaffolds[args.template_name]().copy_to(
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args.project_name
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)
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