mirror of
https://github.com/explosion/spaCy.git
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71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# coding: utf8
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from __future__ import unicode_literals
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import pip
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from pathlib import Path
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import importlib
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from .. import util
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def link(origin, link_name, force=False):
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if is_package(origin):
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link_package(origin, link_name, force)
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else:
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symlink(origin, link_name, force)
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def link_package(package_name, link_name, force=False):
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# Here we're importing the module just to find it. This is worryingly
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# indirect, but it's otherwise very difficult to find the package.
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# Python's installation and import rules are very complicated.
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pkg = importlib.import_module(package_name)
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package_path = Path(pkg.__file__).parent.parent
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meta = get_meta(package_path, package_name)
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model_name = package_name + '-' + meta['version']
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model_path = package_path / package_name / model_name
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symlink(model_path, link_name, force)
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def symlink(model_path, link_name, force):
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model_path = Path(model_path)
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if not Path(model_path).exists():
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util.sys_exit(
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"The data should be located in {p}".format(p=model_path),
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title="Can't locate model data")
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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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util.sys_exit(
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"To overwrite an existing link, use the --force flag.",
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title="Link {l} already exists".format(l=link_name))
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elif link_path.exists():
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link_path.unlink()
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# Add workaround for Python 2 on Windows (see issue #909)
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if util.is_python2() and util.is_windows():
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import subprocess
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command = ['mklink', '/d', link_path.as_posix(), model_path.as_posix()]
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subprocess.call(command, shell=True)
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else:
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link_path.symlink_to(model_path)
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util.print_msg(
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"{a} --> {b}".format(a=model_path.as_posix(), b=link_path.as_posix()),
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"You can now load the model via spacy.load('{l}').".format(l=link_name),
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title="Linking successful")
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def get_meta(package_path, package):
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meta = util.parse_package_meta(package_path, package)
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return meta
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def is_package(origin):
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packages = pip.get_installed_distributions()
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for package in packages:
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if package.project_name.replace('-', '_') == origin:
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return True
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return False
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