mirror of https://github.com/explosion/spaCy.git
204 lines
7.0 KiB
Python
204 lines
7.0 KiB
Python
# coding: utf8
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from __future__ import unicode_literals
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import plac
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import shutil
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from pathlib import Path
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from ..compat import path2str, json_dumps
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from ..util import prints
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from .. import util
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from .. import about
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@plac.annotations(
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input_dir=("directory with model data", "positional", None, str),
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output_dir=("output parent directory", "positional", None, str),
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meta_path=("path to meta.json", "option", "m", str),
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create_meta=("create meta.json, even if one exists in directory – if "
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"existing meta is found, entries are shown as defaults in "
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"the command line prompt", "flag", "c", bool),
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force=("force overwriting of existing model directory in output directory",
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"flag", "f", bool))
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def package(cmd, input_dir, output_dir, meta_path=None, create_meta=False,
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force=False):
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"""
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Generate Python package for model data, including meta and required
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installation files. A new directory will be created in the specified
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output directory, and model data will be copied over.
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"""
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input_path = util.ensure_path(input_dir)
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output_path = util.ensure_path(output_dir)
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meta_path = util.ensure_path(meta_path)
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if not input_path or not input_path.exists():
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prints(input_path, title="Model directory not found", exits=1)
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if not output_path or not output_path.exists():
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prints(output_path, title="Output directory not found", exits=1)
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if meta_path and not meta_path.exists():
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prints(meta_path, title="meta.json not found", exits=1)
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meta_path = meta_path or input_path / 'meta.json'
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if meta_path.is_file():
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meta = util.read_json(meta_path)
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if not create_meta: # only print this if user doesn't want to overwrite
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prints(meta_path, title="Loaded meta.json from file")
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else:
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meta = generate_meta(input_dir, meta)
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meta = validate_meta(meta, ['lang', 'name', 'version'])
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model_name = meta['lang'] + '_' + meta['name']
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model_name_v = model_name + '-' + meta['version']
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main_path = output_path / model_name_v
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package_path = main_path / model_name
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create_dirs(package_path, force)
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shutil.copytree(path2str(input_path),
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path2str(package_path / model_name_v))
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create_file(main_path / 'meta.json', json_dumps(meta))
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create_file(main_path / 'setup.py', TEMPLATE_SETUP)
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create_file(main_path / 'MANIFEST.in', TEMPLATE_MANIFEST)
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create_file(package_path / '__init__.py', TEMPLATE_INIT)
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prints(main_path, "To build the package, run `python setup.py sdist` in "
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"this directory.",
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title="Successfully created package '%s'" % model_name_v)
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def create_dirs(package_path, force):
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if package_path.exists():
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if force:
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shutil.rmtree(path2str(package_path))
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else:
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prints(package_path, "Please delete the directory and try again, "
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"or use the --force flag to overwrite existing "
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"directories.", title="Package directory already exists",
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exits=1)
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Path.mkdir(package_path, parents=True)
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def create_file(file_path, contents):
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file_path.touch()
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file_path.open('w', encoding='utf-8').write(contents)
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def generate_meta(model_path, existing_meta):
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meta = existing_meta or {}
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settings = [('lang', 'Model language', meta.get('lang', 'en')),
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('name', 'Model name', meta.get('name', 'model')),
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('version', 'Model version', meta.get('version', '0.0.0')),
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('spacy_version', 'Required spaCy version',
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'>=%s,<3.0.0' % about.__version__),
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('description', 'Model description',
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meta.get('description', False)),
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('author', 'Author', meta.get('author', False)),
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('email', 'Author email', meta.get('email', False)),
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('url', 'Author website', meta.get('url', False)),
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('license', 'License', meta.get('license', 'CC BY-SA 3.0'))]
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nlp = util.load_model_from_path(Path(model_path))
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meta['pipeline'] = nlp.pipe_names
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meta['vectors'] = {'width': nlp.vocab.vectors_length,
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'vectors': len(nlp.vocab.vectors),
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'keys': nlp.vocab.vectors.n_keys}
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prints("Enter the package settings for your model. The following "
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"information will be read from your model data: pipeline, vectors.",
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title="Generating meta.json")
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for setting, desc, default in settings:
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response = util.get_raw_input(desc, default)
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meta[setting] = default if response == '' and default else response
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if about.__title__ != 'spacy':
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meta['parent_package'] = about.__title__
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return meta
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def validate_meta(meta, keys):
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for key in keys:
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if key not in meta or meta[key] == '':
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prints("This setting is required to build your package.",
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title='No "%s" setting found in meta.json' % key, exits=1)
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return meta
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TEMPLATE_SETUP = """
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#!/usr/bin/env python
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# coding: utf8
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from __future__ import unicode_literals
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import io
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import json
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from os import path, walk
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from shutil import copy
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from setuptools import setup
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def load_meta(fp):
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with io.open(fp, encoding='utf8') as f:
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return json.load(f)
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def list_files(data_dir):
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output = []
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for root, _, filenames in walk(data_dir):
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for filename in filenames:
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if not filename.startswith('.'):
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output.append(path.join(root, filename))
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output = [path.relpath(p, path.dirname(data_dir)) for p in output]
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output.append('meta.json')
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return output
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def list_requirements(meta):
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parent_package = meta.get('parent_package', 'spacy')
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requirements = [parent_package + ">=" + meta['spacy_version']]
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if 'setup_requires' in meta:
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requirements += meta['setup_requires']
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return requirements
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def setup_package():
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root = path.abspath(path.dirname(__file__))
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meta_path = path.join(root, 'meta.json')
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meta = load_meta(meta_path)
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model_name = str(meta['lang'] + '_' + meta['name'])
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model_dir = path.join(model_name, model_name + '-' + meta['version'])
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copy(meta_path, path.join(model_name))
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copy(meta_path, model_dir)
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setup(
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name=model_name,
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description=meta['description'],
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author=meta['author'],
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author_email=meta['email'],
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url=meta['url'],
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version=meta['version'],
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license=meta['license'],
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packages=[model_name],
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package_data={model_name: list_files(model_dir)},
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install_requires=list_requirements(meta),
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zip_safe=False,
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)
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if __name__ == '__main__':
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setup_package()
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""".strip()
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TEMPLATE_MANIFEST = """
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include meta.json
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""".strip()
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TEMPLATE_INIT = """
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# coding: utf8
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from __future__ import unicode_literals
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from pathlib import Path
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from spacy.util import load_model_from_init_py, get_model_meta
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__version__ = get_model_meta(Path(__file__).parent)['version']
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def load(**overrides):
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return load_model_from_init_py(__file__, **overrides)
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""".strip()
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