Add Cloudron packaging for Maubot

maubot-src/maubot/cli/cliq/validators.py

@@ -0,0 +1,85 @@
+# maubot - A plugin-based Matrix bot system.
+# Copyright (C) 2022 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Callable
+import os
+
+from packaging.version import InvalidVersion, Version
+from prompt_toolkit.document import Document
+from prompt_toolkit.validation import ValidationError, Validator
+import click
+
+from ..util import spdx as spdxlib
+
+
+class Required(Validator):
+    proxy: Validator
+
+    def __init__(self, proxy: Validator = None) -> None:
+        self.proxy = proxy
+
+    def validate(self, document: Document) -> None:
+        if len(document.text) == 0:
+            raise ValidationError(message="This field is required")
+        if self.proxy:
+            return self.proxy.validate(document)
+
+
+class ClickValidator(Validator):
+    click_type: Callable[[str], str] = None
+
+    @classmethod
+    def validate(cls, document: Document) -> None:
+        try:
+            cls.click_type(document.text)
+        except click.BadParameter as e:
+            raise ValidationError(message=e.message, cursor_position=len(document.text))
+
+
+def path(val: str) -> str:
+    val = os.path.abspath(val)
+    if os.path.exists(val):
+        return val
+    directory = os.path.dirname(val)
+    if not os.path.isdir(directory):
+        if os.path.exists(directory):
+            raise click.BadParameter(f"{directory} is not a directory")
+        raise click.BadParameter(f"{directory} does not exist")
+    return val
+
+
+class PathValidator(ClickValidator):
+    click_type = path
+
+
+def version(val: str) -> Version:
+    try:
+        return Version(val)
+    except InvalidVersion as e:
+        raise click.BadParameter(f"{val} is not a valid PEP-440 version") from e
+
+
+class VersionValidator(ClickValidator):
+    click_type = version
+
+
+def spdx(val: str) -> str:
+    if not spdxlib.valid(val):
+        raise click.BadParameter(f"{val} is not a valid SPDX license identifier")
+    return val
+
+
+class SPDXValidator(ClickValidator):
+    click_type = spdx