pyTooling.CLIAbstraction.KeyValueFlag

pyTooling/CLIAbstraction/KeyValueFlag.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
# ==================================================================================================================== #
#             _____           _ _               ____ _     ___    _    _         _                  _   _              #
#  _ __  _   |_   _|__   ___ | (_)_ __   __ _  / ___| |   |_ _|  / \  | |__  ___| |_ _ __ __ _  ___| |_(_) ___  _ __   #
# | '_ \| | | || |/ _ \ / _ \| | | '_ \ / _` || |   | |    | |  / _ \ | '_ \/ __| __| '__/ _` |/ __| __| |/ _ \| '_ \  #
# | |_) | |_| || | (_) | (_) | | | | | | (_| || |___| |___ | | / ___ \| |_) \__ \ |_| | | (_| | (__| |_| | (_) | | | | #
# | .__/ \__, ||_|\___/ \___/|_|_|_| |_|\__, (_)____|_____|___/_/   \_\_.__/|___/\__|_|  \__,_|\___|\__|_|\___/|_| |_| #
# |_|    |___/                          |___/                                                                          #
# ==================================================================================================================== #
# Authors:                                                                                                             #
#   Patrick Lehmann                                                                                                    #
#                                                                                                                      #
# License:                                                                                                             #
# ==================================================================================================================== #
# Copyright 2017-2024 Patrick Lehmann - Bötzingen, Germany                                                             #
# Copyright 2014-2016 Technische Universität Dresden - Germany, Chair of VLSI-Design, Diagnostics and Architecture     #
#                                                                                                                      #
# Licensed under the Apache License, Version 2.0 (the "License");                                                      #
# you may not use this file except in compliance with the License.                                                     #
# You may obtain a copy of the License at                                                                              #
#                                                                                                                      #
#   http://www.apache.org/licenses/LICENSE-2.0                                                                         #
#                                                                                                                      #
# Unless required by applicable law or agreed to in writing, software                                                  #
# distributed under the License is distributed on an "AS IS" BASIS,                                                    #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.                                             #
# See the License for the specific language governing permissions and                                                  #
# limitations under the License.                                                                                       #
#                                                                                                                      #
# SPDX-License-Identifier: Apache-2.0                                                                                  #
# ==================================================================================================================== #
#
"""
Flag arguments represent simple boolean values by being present or absent.

.. seealso::

   * For flags with different pattern based on the boolean value itself. |br|
     |rarr| :mod:`~pyTooling.CLIAbstraction.BooleanFlag`
   * For flags with a value. |br|
     |rarr| :mod:`~pyTooling.CLIAbstraction.ValuedFlag`
   * For flags that have an optional value. |br|
     |rarr| :mod:`~pyTooling.CLIAbstraction.NamedOptionalValuedFlag`
"""
from typing import Union, Iterable, Dict, cast, Any, Optional as Nullable

try:
	from pyTooling.Decorators              import export
	from pyTooling.CLIAbstraction.Argument import NamedAndValuedArgument
except (ImportError, ModuleNotFoundError):  # pragma: no cover
	print("[pyTooling.Versioning] Could not import from 'pyTooling.*'!")

	try:
		from Decorators                      import export
		from CLIAbstraction.Argument         import NamedAndValuedArgument
	except (ImportError, ModuleNotFoundError) as ex:  # pragma: no cover
		print("[pyTooling.Versioning] Could not import directly!")
		raise ex


@export
class NamedKeyValuePairsArgument(NamedAndValuedArgument, pattern="{0}{1}={2}"):
	"""
	Class and base-class for all KeyValueFlag classes, which represents a flag argument with key and value
	(key-value-pairs).

	An optional valued flag is a flag name followed by a value. The default delimiter sign is equal (``=``). Name and
	value are passed as one argument to the executable even if the delimiter sign is a whitespace character. If the value
	is None, no delimiter sign and value is passed.

	**Example:**

	* ``-gWidth=100``
	"""

	def __init_subclass__(cls, *args: Any, name: Nullable[str] = None, pattern: str = "{0}{1}={2}", **kwargs: Any):
		kwargs["name"] = name
		kwargs["pattern"] = pattern
		super().__init_subclass__(*args, **kwargs)

	def __new__(cls, *args: Any, **kwargs: Any):
		if cls is NamedKeyValuePairsArgument:
			raise TypeError(f"Class '{cls.__name__}' is abstract.")
		return super().__new__(cls, *args, **kwargs)

	def __init__(self, keyValuePairs: Dict[str, str]) -> None:
		super().__init__({})

		for key, value in keyValuePairs.items():
			if not isinstance(key, str):
				raise TypeError(f"Parameter 'keyValuePairs' contains a pair, where the key is not of type 'str'.")
			elif not isinstance(value, str):
				raise TypeError(f"Parameter 'keyValuePairs' contains a pair, where the value is not of type 'str'.")

			self._value[key] = value

	@property
	def Value(self) -> Dict[str, str]:
		"""
		Get the internal value.

		:return: Internal value.
		"""
		return self._value

	@Value.setter
	def Value(self, keyValuePairs: Dict[str, str]) -> None:
		"""
		Set the internal value.

		:param keyValuePairs: Value to set.
		:raises ValueError:   If value to set is None.
		"""
		innerDict = cast(Dict[str, str], self._value)
		innerDict.clear()
		for key, value in keyValuePairs.items():
			if not isinstance(key, str):
				raise TypeError(f"Parameter 'keyValuePairs' contains a pair, where the key is not of type 'str'.")
			elif not isinstance(value, str):
				raise TypeError(f"Parameter 'keyValuePairs' contains a pair, where the value is not of type 'str'.")

			innerDict[key] = value

	def AsArgument(self) -> Union[str, Iterable[str]]:
		"""
		Convert this argument instance to a string representation with proper escaping using the matching pattern based on
		the internal name.

		:return:            Formatted argument.
		:raises ValueError: If internal name is None.
		"""
		if self._name is None:
			raise ValueError(f"Internal value '_name' is None.")

		return [self._pattern.format(self._name, key, value) for key, value in self._value.items()]


@export
class ShortKeyValueFlag(NamedKeyValuePairsArgument, pattern="-{0}{1}={2}"):
	"""
	Represents a :py:class:`NamedKeyValueFlagArgument` with a single dash in front of the switch name.

	**Example:**

	* ``-DDEBUG=TRUE``
	"""

	def __init_subclass__(cls, *args: Any, name: Nullable[str] = None, pattern: str = "-{0}{1}={2}", **kwargs: Any):
		kwargs["name"] = name
		kwargs["pattern"] = pattern
		super().__init_subclass__(*args, **kwargs)

	def __new__(cls, *args: Any, **kwargs: Any):
		if cls is ShortKeyValueFlag:
			raise TypeError(f"Class '{cls.__name__}' is abstract.")
		return super().__new__(cls, *args, **kwargs)


@export
class LongKeyValueFlag(NamedKeyValuePairsArgument, pattern="--{0}{1}={2}"):
	"""
	Represents a :py:class:`NamedKeyValueFlagArgument` with a double dash in front of the switch name.

	**Example:**

	* ``--DDEBUG=TRUE``
	"""

	def __init_subclass__(cls, *args: Any, name: Nullable[str] = None, pattern: str = "--{0}{1}={2}", **kwargs: Any):
		kwargs["name"] = name
		kwargs["pattern"] = pattern
		super().__init_subclass__(*args, **kwargs)

	def __new__(cls, *args: Any, **kwargs: Any):
		if cls is LongKeyValueFlag:
			raise TypeError(f"Class '{cls.__name__}' is abstract.")
		return super().__new__(cls, *args, **kwargs)


@export
class WindowsKeyValueFlag(NamedKeyValuePairsArgument, pattern="/{0}:{1}={2}"):
	"""
	Represents a :py:class:`NamedKeyValueFlagArgument` with a double dash in front of the switch name.

	**Example:**

	* ``--DDEBUG=TRUE``
	"""

	def __init_subclass__(cls, *args: Any, name: Nullable[str] = None, pattern: str = "/{0}:{1}={2}", **kwargs: Any):
		kwargs["name"] = name
		kwargs["pattern"] = pattern
		super().__init_subclass__(*args, **kwargs)

	def __new__(cls, *args: Any, **kwargs: Any):
		if cls is LongKeyValueFlag:
			raise TypeError(f"Class '{cls.__name__}' is abstract.")
		return super().__new__(cls, *args, **kwargs)