assemble CLI command (#7783)

* assemble CLI command

* ensure assemble runs even without training section

* cleanup
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Sofie Van Landeghem 2021-04-19 10:39:11 +02:00 committed by GitHub
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@ -9,6 +9,7 @@ from .info import info # noqa: F401
from .package import package # noqa: F401
from .profile import profile # noqa: F401
from .train import train_cli # noqa: F401
from .assemble import assemble_cli # noqa: F401
from .pretrain import pretrain # noqa: F401
from .debug_data import debug_data # noqa: F401
from .debug_config import debug_config # noqa: F401

58
spacy/cli/assemble.py Normal file
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@ -0,0 +1,58 @@
from typing import Optional
from pathlib import Path
from wasabi import msg
import typer
import logging
from ._util import app, Arg, Opt, parse_config_overrides, show_validation_error
from ._util import import_code
from ..training.initialize import init_nlp
from .. import util
from ..util import get_sourced_components, load_model_from_config
@app.command(
"assemble",
context_settings={"allow_extra_args": True, "ignore_unknown_options": True},
)
def assemble_cli(
# fmt: off
ctx: typer.Context, # This is only used to read additional arguments
config_path: Path = Arg(..., help="Path to config file", exists=True, allow_dash=True),
output_path: Path = Arg(..., help="Output directory to store assembled pipeline in"),
code_path: Optional[Path] = Opt(None, "--code", "-c", help="Path to Python file with additional code (registered functions) to be imported"),
verbose: bool = Opt(False, "--verbose", "-V", "-VV", help="Display more information for debugging purposes"),
# fmt: on
):
"""
Assemble a spaCy pipeline from a config file. The config file includes
all settings for initializing the pipeline. To override settings in the
config, e.g. settings that point to local paths or that you want to
experiment with, you can override them as command line options. The
--code argument lets you pass in a Python file that can be used to
register custom functions that are referenced in the config.
DOCS: https://spacy.io/api/cli#assemble
"""
util.logger.setLevel(logging.DEBUG if verbose else logging.INFO)
# Make sure all files and paths exists if they are needed
if not config_path or (str(config_path) != "-" and not config_path.exists()):
msg.fail("Config file not found", config_path, exits=1)
overrides = parse_config_overrides(ctx.args)
import_code(code_path)
with show_validation_error(config_path):
config = util.load_config(config_path, overrides=overrides, interpolate=False)
msg.divider("Initializing pipeline")
nlp = load_model_from_config(config, auto_fill=True)
config = config.interpolate()
sourced = get_sourced_components(config)
# Make sure that listeners are defined before initializing further
nlp._link_components()
with nlp.select_pipes(disable=[*sourced]):
nlp.initialize()
msg.good("Initialized pipeline")
msg.divider("Serializing to disk")
if output_path is not None and not output_path.exists():
output_path.mkdir(parents=True)
msg.good(f"Created output directory: {output_path}")
nlp.to_disk(output_path)

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@ -12,6 +12,7 @@ menu:
- ['train', 'train']
- ['pretrain', 'pretrain']
- ['evaluate', 'evaluate']
- ['assemble', 'assemble']
- ['package', 'package']
- ['project', 'project']
- ['ray', 'ray']
@ -892,6 +893,34 @@ $ python -m spacy evaluate [model] [data_path] [--output] [--code] [--gold-prepr
| `--help`, `-h` | Show help message and available arguments. ~~bool (flag)~~ |
| **CREATES** | Training results and optional metrics and visualizations. |
## assemble {#assemble tag="command"}
Assemble a pipeline from a config file without additional training. Expects a
[config file](/api/data-formats#config) with all settings and hyperparameters.
The `--code` argument can be used to import a Python file that lets you register
[custom functions](/usage/training#custom-functions) and refer to them in your
config.
> #### Example
>
> ```cli
> $ python -m spacy assemble config.cfg ./output
> ```
```cli
$ python -m spacy assemble [config_path] [output_dir] [--code] [--verbose] [overrides]
```
| Name | Description |
| ----------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `config_path` | Path to the [config](/api/data-formats#config) file containing all settings and hyperparameters. If `-`, the data will be [read from stdin](/usage/training#config-stdin). ~~Union[Path, str] \(positional)~~ |
| `output_dir` | Directory to store the final pipeline in. Will be created if it doesn't exist. ~~Optional[Path] \(option)~~ |
| `--code`, `-c` | Path to Python file with additional code to be imported. Allows [registering custom functions](/usage/training#custom-functions). ~~Optional[Path] \(option)~~ |
| `--verbose`, `-V` | Show more detailed messages during processing. ~~bool (flag)~~ |
| `--help`, `-h` | Show help message and available arguments. ~~bool (flag)~~ |
| overrides | Config parameters to override. Should be options starting with `--` that correspond to the config section and value to override, e.g. `--paths.data ./data`. ~~Any (option/flag)~~ |
| **CREATES** | The final assembled pipeline. |
## package {#package tag="command"}
Generate an installable [Python package](/usage/training#models-generating) from