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123 lines
4.9 KiB
Python
123 lines
4.9 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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import requests
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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 to meta.json", "option", "m", str),
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force=("force overwriting of existing folder in output directory", "flag", "f", bool)
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)
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def package(cmd, input_dir, output_dir, meta=None, 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)
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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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template_setup = get_template('setup.py')
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template_manifest = get_template('MANIFEST.in')
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template_init = get_template('en_model_name/__init__.py')
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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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prints(meta_path, title="Reading meta.json from file")
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meta = util.read_json(meta_path)
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else:
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meta = generate_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), 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 this "
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"directory.", 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, or "
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"use the --force flag to overwrite existing directories.",
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title="Package directory already exists", 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():
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settings = [('lang', 'Model language', 'en'),
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('name', 'Model name', 'model'),
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('version', 'Model version', '0.0.0'),
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('spacy_version', 'Required spaCy version', '>=2.0.0,<3.0.0'),
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('description', 'Model description', False),
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('author', 'Author', False),
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('email', 'Author email', False),
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('url', 'Author website', False),
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('license', 'License', 'CC BY-NC 3.0')]
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prints("Enter the package settings for your model.", title="Generating meta.json")
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meta = {}
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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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meta['pipeline'] = generate_pipeline()
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return meta
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def generate_pipeline():
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prints("If set to 'True', the default pipeline is used. If set to 'False', "
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"the pipeline will be disabled. Components should be specified as a "
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"comma-separated list of component names, e.g. vectorizer, tagger, "
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"parser, ner. For more information, see the docs on processing pipelines.",
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title="Enter your model's pipeline components")
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pipeline = util.get_raw_input("Pipeline components", True)
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replace = {'True': True, 'False': False}
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return replace[pipeline] if pipeline in replace else pipeline.split(', ')
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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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def get_template(filepath):
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r = requests.get(about.__model_files__ + filepath)
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if r.status_code != 200:
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prints("Couldn't fetch template files from GitHub.",
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title="Server error (%d)" % r.status_code, exits=1)
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return r.text
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