mirror of https://github.com/explosion/spaCy.git
54 lines
2.3 KiB
Python
54 lines
2.3 KiB
Python
# coding: utf8
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from __future__ import unicode_literals
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import plac
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from pathlib import Path
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from ._messages import Messages
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from ..compat import symlink_to, path2str
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from ..util import prints
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from .. import util
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@plac.annotations(
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origin=("package name or local path to model", "positional", None, str),
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link_name=("name of shortuct link to create", "positional", None, str),
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force=("force overwriting of existing link", "flag", "f", bool))
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def link(origin, link_name, force=False, model_path=None):
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"""
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Create a symlink for models within the spacy/data directory. Accepts
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either the name of a pip package, or the local path to the model data
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directory. Linking models allows loading them via spacy.load(link_name).
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"""
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if util.is_package(origin):
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model_path = util.get_package_path(origin)
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else:
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model_path = Path(origin) if model_path is None else Path(model_path)
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if not model_path.exists():
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prints(Messages.M009.format(path=path2str(model_path)),
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title=Messages.M008, exits=1)
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data_path = util.get_data_path()
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if not data_path or not data_path.exists():
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spacy_loc = Path(__file__).parent.parent
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prints(Messages.M011, spacy_loc, title=Messages.M010, exits=1)
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link_path = util.get_data_path() / link_name
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if link_path.is_symlink() and not force:
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prints(Messages.M013, title=Messages.M012.format(name=link_name),
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exits=1)
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elif link_path.is_symlink(): # does a symlink exist?
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# NB: It's important to check for is_symlink here and not for exists,
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# because invalid/outdated symlinks would return False otherwise.
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link_path.unlink()
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elif link_path.exists(): # does it exist otherwise?
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# NB: Check this last because valid symlinks also "exist".
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prints(Messages.M015, link_path,
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title=Messages.M014.format(name=link_name), exits=1)
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msg = "%s --> %s" % (path2str(model_path), path2str(link_path))
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try:
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symlink_to(link_path, model_path)
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except:
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# This is quite dirty, but just making sure other errors are caught.
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prints(Messages.M017, msg, title=Messages.M016.format(name=link_name))
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raise
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prints(msg, Messages.M019.format(name=link_name), title=Messages.M018)
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