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28e2fec23b
On fresh install via subprocess, pip.get_installed_distributions() won't show new model, so is_package check in link command fails. Solution for now is to get model package path explicitly and pass it to link command.
50 lines
2.1 KiB
Python
50 lines
2.1 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 ..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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)
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def link(cmd, 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("The data should be located in %s" % path2str(model_path),
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title="Can't locate model data", exits=1)
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link_path = util.get_data_path() / link_name
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if link_path.exists() and not force:
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prints("To overwrite an existing link, use the --force flag.",
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title="Link %s already exists" % link_name, exits=1)
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elif link_path.exists():
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link_path.unlink()
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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("Creating a symlink in spacy/data failed. Make sure you have "
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"the required permissions and try re-running the command as "
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"admin, or use a virtualenv. You can still import the model as a "
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"module and call its load() method, or create the symlink manually.",
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"%s --> %s" % (path2str(model_path), path2str(link_path)),
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title="Error: Couldn't link model to '%s'" % link_name)
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raise
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prints("%s --> %s" % (path2str(model_path), path2str(link_path)),
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"You can now load the model via spacy.load('%s')" % link_name,
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title="Linking successful")
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