124 lines
4.2 KiB
Python
124 lines
4.2 KiB
Python
import os
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import urllib.request
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import typing as t
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import click
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from tutor import config as tutor_config
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from tutor import exceptions, fmt, hooks, plugins
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from tutor.plugins.base import PLUGINS_ROOT, PLUGINS_ROOT_ENV_VAR_NAME
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from .context import Context
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@click.group(
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name="plugins",
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short_help="Manage Tutor plugins",
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help="Manage Tutor plugins to add new features and customise your Open edX platform",
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)
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def plugins_command() -> None:
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"""
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All plugin commands should work even if there is no existing config file. This is
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because users might enable plugins prior to configuration or environment generation.
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"""
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@click.command(name="list", help="List installed plugins")
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def list_command() -> None:
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lines = []
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first_column_width = 1
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for plugin, plugin_info in plugins.iter_info():
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plugin_info = plugin_info or ""
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plugin_info.replace("\n", " ")
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status = "" if plugins.is_loaded(plugin) else "(disabled)"
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lines.append((plugin, status, plugin_info))
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first_column_width = max([first_column_width, len(plugin) + 2])
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for line in lines:
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print("{:{width}}\t{:10}\t{}".format(*line, width=first_column_width))
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@click.command(help="Enable a plugin")
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@click.argument("plugin_names", metavar="plugin", nargs=-1)
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@click.pass_obj
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def enable(context: Context, plugin_names: t.List[str]) -> None:
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config = tutor_config.load_minimal(context.root)
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for plugin in plugin_names:
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plugins.load(plugin)
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fmt.echo_info(f"Plugin {plugin} enabled")
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tutor_config.save_enabled_plugins(config)
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tutor_config.save_config_file(context.root, config)
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fmt.echo_info(
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"You should now re-generate your environment with `tutor config save`."
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)
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@click.command(
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short_help="Disable a plugin",
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help="Disable one or more plugins. Specify 'all' to disable all enabled plugins at once.",
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)
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@click.argument("plugin_names", metavar="plugin", nargs=-1)
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@click.pass_obj
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def disable(context: Context, plugin_names: t.List[str]) -> None:
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config = tutor_config.load_minimal(context.root)
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disable_all = "all" in plugin_names
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disabled: t.List[str] = []
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for plugin in tutor_config.get_enabled_plugins(config):
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if disable_all or plugin in plugin_names:
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fmt.echo_info(f"Disabling plugin {plugin}...")
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hooks.Actions.PLUGIN_UNLOADED.do(plugin, context.root, config)
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disabled.append(plugin)
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fmt.echo_info(f"Plugin {plugin} disabled")
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if disabled:
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tutor_config.save_config_file(context.root, config)
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fmt.echo_info(
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"You should now re-generate your environment with `tutor config save`."
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)
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@click.command(
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short_help="Print the location of yaml-based plugins",
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help=f"""Print the location of yaml-based plugins. This location can be manually
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defined by setting the {PLUGINS_ROOT_ENV_VAR_NAME} environment variable""",
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)
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def printroot() -> None:
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fmt.echo(PLUGINS_ROOT)
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@click.command(
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short_help="Install a plugin",
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help=f"""Install a plugin, either from a local Python/YAML file or a remote, web-hosted
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location. The plugin will be installed to {PLUGINS_ROOT_ENV_VAR_NAME}.""",
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)
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@click.argument("location")
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def install(location: str) -> None:
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basename = os.path.basename(location)
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if not basename.endswith(".yml") and not basename.endswith(".py"):
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basename += ".py"
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plugin_path = os.path.join(PLUGINS_ROOT, basename)
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if location.startswith("http"):
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# Download file
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response = urllib.request.urlopen(location)
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content = response.read().decode()
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elif os.path.isfile(location):
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# Read file
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with open(location, encoding="utf-8") as f:
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content = f.read()
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else:
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raise exceptions.TutorError(f"No plugin found at {location}")
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# Save file
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if not os.path.exists(PLUGINS_ROOT):
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os.makedirs(PLUGINS_ROOT)
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with open(plugin_path, "w", newline="\n", encoding="utf-8") as f:
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f.write(content)
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fmt.echo_info(f"Plugin installed at {plugin_path}")
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plugins_command.add_command(list_command)
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plugins_command.add_command(enable)
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plugins_command.add_command(disable)
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plugins_command.add_command(printroot)
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plugins_command.add_command(install)
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