mirror of
https://github.com/explosion/spaCy.git
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245 lines
8.3 KiB
Python
245 lines
8.3 KiB
Python
from typing import Optional, Union, Any, Dict
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import shutil
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from pathlib import Path
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from wasabi import Printer, get_raw_input
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import srsly
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import sys
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from ._util import app, Arg, Opt
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from ..schemas import validate, ModelMetaSchema
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from .. import util
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from .. import about
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@app.command("package")
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def package_cli(
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# fmt: off
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input_dir: Path = Arg(..., help="Directory with model data", exists=True, file_okay=False),
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output_dir: Path = Arg(..., help="Output parent directory", exists=True, file_okay=False),
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meta_path: Optional[Path] = Opt(None, "--meta-path", "--meta", "-m", help="Path to meta.json", exists=True, dir_okay=False),
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create_meta: bool = Opt(False, "--create-meta", "-c", "-C", help="Create meta.json, even if one exists"),
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version: Optional[str] = Opt(None, "--version", "-v", help="Package version to override meta"),
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force: bool = Opt(False, "--force", "-f", "-F", help="Force overwriting existing model in output directory"),
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# fmt: on
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):
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"""
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Generate an installable Python package for a model. Includes model data,
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meta and required installation files. A new directory will be created in the
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specified output directory, and model data will be copied over. If
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--create-meta is set and a meta.json already exists in the output directory,
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the existing values will be used as the defaults in the command-line prompt.
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After packaging, "python setup.py sdist" is run in the package directory,
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which will create a .tar.gz archive that can be installed via "pip install".
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"""
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package(
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input_dir,
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output_dir,
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meta_path=meta_path,
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version=version,
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create_meta=create_meta,
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force=force,
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silent=False,
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)
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def package(
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input_dir: Path,
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output_dir: Path,
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meta_path: Optional[Path] = None,
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version: Optional[str] = None,
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create_meta: bool = False,
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force: bool = False,
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silent: bool = True,
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) -> None:
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msg = Printer(no_print=silent, pretty=not silent)
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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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msg.fail("Can't locate model data", input_path, exits=1)
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if not output_path or not output_path.exists():
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msg.fail("Output directory not found", output_path, exits=1)
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if meta_path and not meta_path.exists():
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msg.fail("Can't find model meta.json", meta_path, exits=1)
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meta_path = meta_path or input_dir / "meta.json"
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if not meta_path.exists() or not meta_path.is_file():
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msg.fail("Can't load model meta.json", meta_path, exits=1)
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meta = srsly.read_json(meta_path)
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meta = get_meta(input_dir, meta)
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if version is not None:
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meta["version"] = version
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if not create_meta: # only print if user doesn't want to overwrite
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msg.good("Loaded meta.json from file", meta_path)
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else:
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meta = generate_meta(meta, msg)
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errors = validate(ModelMetaSchema, meta)
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if errors:
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msg.fail("Invalid model meta.json", "\n".join(errors), exits=1)
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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_dir / model_name_v
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package_path = main_path / model_name
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if package_path.exists():
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if force:
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shutil.rmtree(str(package_path))
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else:
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msg.fail(
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"Package directory already exists",
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"Please delete the directory and try again, or use the "
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"`--force` flag to overwrite existing directories.",
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exits=1,
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)
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Path.mkdir(package_path, parents=True)
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shutil.copytree(str(input_dir), str(package_path / model_name_v))
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create_file(main_path / "meta.json", srsly.json_dumps(meta, indent=2))
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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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msg.good(f"Successfully created package '{model_name_v}'", main_path)
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with util.working_dir(main_path):
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util.run_command([sys.executable, "setup.py", "sdist"])
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zip_file = main_path / "dist" / f"{model_name_v}.tar.gz"
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msg.good(f"Successfully created zipped Python package", zip_file)
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def create_file(file_path: Path, contents: str) -> None:
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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 get_meta(
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model_path: Union[str, Path], existing_meta: Dict[str, Any]
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) -> Dict[str, Any]:
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meta = {
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"lang": "en",
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"name": "model",
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"version": "0.0.0",
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"description": None,
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"author": None,
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"email": None,
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"url": None,
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"license": "MIT",
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}
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meta.update(existing_meta)
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nlp = util.load_model_from_path(Path(model_path))
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meta["spacy_version"] = util.get_model_version_range(about.__version__)
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meta["pipeline"] = nlp.pipe_names
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meta["vectors"] = {
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"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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"name": nlp.vocab.vectors.name,
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}
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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 generate_meta(existing_meta: Dict[str, Any], msg: Printer) -> Dict[str, Any]:
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meta = existing_meta or {}
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settings = [
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("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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("description", "Model description", meta.get("description", None)),
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("author", "Author", meta.get("author", None)),
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("email", "Author email", meta.get("email", None)),
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("url", "Author website", meta.get("url", None)),
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("license", "License", meta.get("license", "MIT")),
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]
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msg.divider("Generating meta.json")
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msg.text(
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"Enter the package settings for your model. The following information "
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"will be read from your model data: pipeline, vectors."
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)
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for setting, desc, default in settings:
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response = get_raw_input(desc, default)
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meta[setting] = default if response == "" and default else response
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return meta
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TEMPLATE_SETUP = """
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#!/usr/bin/env python
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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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if 'requirements' in meta:
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requirements += meta['requirements']
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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.get('description'),
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author=meta.get('author'),
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author_email=meta.get('email'),
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url=meta.get('url'),
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version=meta['version'],
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license=meta.get('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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entry_points={'spacy_models': ['{m} = {m}'.format(m=model_name)]}
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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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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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