merge develop

.gitignore

@@ -90,7 +90,7 @@ Data
 
 # demo files
 demo-*
-demo_*/
+demo_*
 .airflow
 *.dags
 data_sources

CONTRIBUTING.md

@@ -26,7 +26,7 @@ Reporting bugs is through [GitHub issues](https://github.com/Avaiga/taipy/issues
 Please report relevant information and preferably code that exhibits the problem. We provide templates to help you
 describe the issue.
 
-The Taipy team will analyse and try to reproduce the bug to provide feedback. If confirmed, we will add a priority
+The Taipy team will analyze and try to reproduce the bug to provide feedback. If confirmed, we will add a priority
 to the issue and add it in our backlog. Feel free to propose a pull request to fix it.
 
 ## Issue reporting, feedback, proposal, design or any other comment
@@ -44,12 +44,12 @@ Do not hesitate to create an issue or pull request directly on the
 ## Implement Features
 
 The Taipy team manages its backlog in private. Each issue that is or is going to be engaged by the
-Taipy team is attached to the "🔒 Staff only" label or has already assigned to a Taipy team member.
+Taipy team is attached to the "🔒 Staff only" label or has already been assigned to a Taipy team member.
 Please, do not work on it, the Taipy team is on it.
 
 All other issues are sorted by labels and are available for a contribution. If you are new to the
 project, you can start with the "good first issue" or "🆘 Help wanted" label. You can also start with
-issue with higher priority like "Critical" or "High". The higher the priority, the more value it
+issues with higher priority, like "Critical" or "High". The higher the priority, the more value it
 will bring to Taipy.
 
 If you want to work on an issue, please add a comment and wait to be assigned to the issue to inform

doc/gui/examples/controls/date_format.py

@@ -0,0 +1,25 @@
+# Copyright 2021-2024 Avaiga Private Limited
+#
+# 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.
+# -----------------------------------------------------------------------------------------
+# To execute this script, make sure that the taipy-gui package is installed in your
+# Python environment and run:
+#     python <script>
+# -----------------------------------------------------------------------------------------
+import datetime
+
+from taipy.gui import Gui
+
+date = datetime.datetime(1789, 7, 14, 17, 5, 12)
+
+page = "<|{date}|date|format=eeee LLLL do, y|>"
+
+if __name__ == "__main__":
+    Gui(page).run(title="Date - Format")

doc/gui/examples/controls/date_not_editable.py

@@ -0,0 +1,25 @@
+# Copyright 2021-2024 Avaiga Private Limited
+#
+# 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.
+# -----------------------------------------------------------------------------------------
+# To execute this script, make sure that the taipy-gui package is installed in your
+# Python environment and run:
+#     python <script>
+# -----------------------------------------------------------------------------------------
+import datetime
+
+from taipy.gui import Gui
+
+date = datetime.datetime(1789, 7, 14, 17, 5, 12)
+
+page = "<|{date}|date|not editable|>"
+
+if __name__ == "__main__":
+    Gui(page).run(title="Date - Not editable")

doc/gui/examples/controls/date_simple.py

@@ -0,0 +1,25 @@
+# Copyright 2021-2024 Avaiga Private Limited
+#
+# 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.
+# -----------------------------------------------------------------------------------------
+# To execute this script, make sure that the taipy-gui package is installed in your
+# Python environment and run:
+#     python <script>
+# -----------------------------------------------------------------------------------------
+import datetime
+
+from taipy.gui import Gui
+
+date = datetime.datetime(1789, 7, 14, 17, 5, 12)
+
+page = "<|{date}|date|>"
+
+if __name__ == "__main__":
+    Gui(page).run(title="Date - Simple")

doc/gui/examples/controls/date_styling.py

@@ -0,0 +1,32 @@
+# Copyright 2021-2024 Avaiga Private Limited
+#
+# 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.
+# -----------------------------------------------------------------------------------------
+# To execute this script, make sure that the taipy-gui package is installed in your
+# Python environment and run:
+#     python <script>
+# -----------------------------------------------------------------------------------------
+import datetime
+
+from taipy.gui import Gui, Markdown
+
+date = datetime.datetime(1989, 7, 14, 17, 5, 12)
+color = {"color": "green"}
+
+page = Markdown(
+    "<|{date}|date|>",
+    style={
+        ".taipy-date": {".MuiInputBase-root": {"&": color, ".MuiIconButton-root": color}},
+        ".MuiDateCalendar-root": {"&": color, ".MuiPickersDay-root": color},
+    },
+)
+
+if __name__ == "__main__":
+    Gui(page).run(title="Date - Styling")

doc/gui/examples/controls/date_with_time.py

@@ -0,0 +1,25 @@
+# Copyright 2021-2024 Avaiga Private Limited
+#
+# 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.
+# -----------------------------------------------------------------------------------------
+# To execute this script, make sure that the taipy-gui package is installed in your
+# Python environment and run:
+#     python <script>
+# -----------------------------------------------------------------------------------------
+import datetime
+
+from taipy.gui import Gui
+
+date = datetime.datetime(1789, 7, 14, 17, 5, 12)
+
+page = "<|{date}|date|with_time|>"
+
+if __name__ == "__main__":
+    Gui(page).run(title="Date - With time")

taipy/common/config/exceptions/__init__.py

@@ -9,5 +9,6 @@
 # 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.
 
-"""Exceptions raised by the `taipy.common.config` package functionalities."""
+"""# Exceptions raised by the `taipy.common.config` package."""
+
 from .exceptions import *

taipy/gui/_renderers/builder.py

@@ -428,29 +428,29 @@ def _get_lov_adapter(  # noqa: C901
                 var_type = self.__gui._get_unique_type_adapter(type(elt).__name__)
             if adapter is None:
                 adapter = self.__gui._get_adapter_for_type(var_type)
-            elif var_type == str.__name__ and callable(adapter):
+            elif var_type == str.__name__ and isroutine(adapter):
                 var_type += (
-                    f"__lambda_{id(adapter)}"
+                    _get_lambda_id(t.cast(LambdaType, adapter))
                     if adapter.__name__ == "<lambda>"
                     else _get_expr_var_name(adapter.__name__)
                 )
             if lov_name:
                 if adapter is None:
                     adapter = self.__gui._get_adapter_for_type(lov_name)
                 else:
-                    self.__gui._add_type_for_var(lov_name, var_type)
+                    self.__gui._add_type_for_var(lov_name, t.cast(str, var_type))
             if value_name := self.__hashes.get("value"):
                 if adapter is None:
                     adapter = self.__gui._get_adapter_for_type(value_name)
                 else:
-                    self.__gui._add_type_for_var(value_name, var_type)
+                    self.__gui._add_type_for_var(value_name, t.cast(str, var_type))
             if adapter is not None:
                 self.__gui._add_adapter_for_type(var_type, adapter)  # type: ignore
 
             if default_lov is not None and lov:
                 for elt in lov:
                     ret = self.__gui._run_adapter(
-                        t.cast(t.Callable, adapter), elt, adapter.__name__ if callable(adapter) else "adapter"
+                        t.cast(t.Callable, adapter), elt, adapter.__name__ if isroutine(adapter) else "adapter"
                     )  # type: ignore
                     if ret is not None:
                         default_lov.append(ret)
@@ -460,7 +460,10 @@ def _get_lov_adapter(  # noqa: C901
             val_list = value if isinstance(value, list) else [value]
             for val in val_list:
                 ret = self.__gui._run_adapter(
-                    t.cast(t.Callable, adapter), val, adapter.__name__ if callable(adapter) else "adapter", id_only=True
+                    t.cast(t.Callable, adapter),
+                    val,
+                    adapter.__name__ if isroutine(adapter) else "adapter",
+                    id_only=True,
                 )  # type: ignore
                 if ret is not None:
                     ret_list.append(ret)

taipy/gui/builder/_element.py

@@ -16,13 +16,12 @@
 import inspect
 import re
 import typing as t
-import uuid
 from abc import ABC, abstractmethod
 from collections.abc import Iterable
 from types import FrameType, FunctionType
 
 from .._warnings import _warn
-from ..utils import _getscopeattr
+from ..utils import _get_lambda_id, _getscopeattr
 from ._context_manager import _BuilderContextManager
 from ._factory import _BuilderFactory
 from ._utils import _LambdaByName, _python_builtins, _TransformVarToValue
@@ -37,10 +36,10 @@ class _Element(ABC):
     _ELEMENT_NAME = ""
     _DEFAULT_PROPERTY = ""
     __RE_INDEXED_PROPERTY = re.compile(r"^(.*?)__([\w\d]+)$")
-    _NEW_LAMBDA_NAME = "new_lambda"
     _TAIPY_EMBEDDED_PREFIX = "_tp_embedded_"
     _EMBEDDED_PROPERTIES = ["decimator"]
     _TYPES: t.Dict[str, str] = {}
+    __LAMBDA_VALUE_IDX = 0
 
     def __new__(cls, *args, **kwargs):
         obj = super(_Element, cls).__new__(cls)
@@ -67,6 +66,12 @@ def update(self, **kwargs):
         self._properties.update(kwargs)
         self.parse_properties()
 
+    @staticmethod
+    def __get_lambda_index():
+        _Element.__LAMBDA_VALUE_IDX += 1
+        _Element.__LAMBDA_VALUE_IDX %= 0xFFFFFFF0
+        return _Element.__LAMBDA_VALUE_IDX
+
     def _evaluate_lambdas(self, gui: Gui):
         for k, lmbd in self._lambdas.items():
             expr = gui._evaluate_expr(lmbd, lambda_expr=True)
@@ -100,8 +105,8 @@ def _parse_property(self, key: str, value: t.Any) -> t.Any:
             if key.startswith("on_") or self._is_callable(key):
                 return value if value.__name__.startswith("<") else value.__name__
             # Parse lambda function_is_callable
-            if (lambda_name := self.__parse_lambda_property(key, value)) is not None:
-                return lambda_name
+            if (lambda_call := self.__parse_lambda_property(key, value)) is not None:
+                return lambda_call
         # Embed value in the caller frame
         if not isinstance(value, str) and key in self._EMBEDDED_PROPERTIES:
             return self.__embed_object(value, is_expression=False)
@@ -131,7 +136,7 @@ def __parse_lambda_property(self, key: str, value: t.Any) -> t.Any:
             tree = _TransformVarToValue(self.__calling_frame, args + targets + _python_builtins).visit(lambda_fn)
             ast.fix_missing_locations(tree)
             lambda_text = ast.unparse(tree)
-            lambda_name = f"__lambda_{uuid.uuid4().hex}"
+            lambda_name = _get_lambda_id(value, index=(_Element.__get_lambda_index()))
             self._lambdas[lambda_name] = lambda_text
             return f'{{{lambda_name}({", ".join(args)})}}'
         except Exception as e:

taipy/gui/builder/_utils.py

@@ -57,18 +57,28 @@ def __init__(self, element_name: str, lineno: int, lambdas: t.Dict[str, ast.Lamb
 
     def visit_Call(self, node):
         if getattr(node.func, "attr", None) == self.element_name:
-            if self.lambdas.get(_LambdaByName._DEFAULT_NAME, None) is None:
-                self.lambdas[_LambdaByName._DEFAULT_NAME] = next(
+            if self.lambdas.get(_LambdaByName._DEFAULT_NAME, None) is None and (
+                a_lambda := next(
                     (
                         arg
                         for arg in node.args
-                        if isinstance(arg, ast.Lambda) and self.lineno >= arg.lineno and self.lineno <= arg.end_lineno
+                        if isinstance(arg, ast.Lambda)
+                        and arg.lineno is not None
+                        and arg.end_lineno is not None
+                        and self.lineno >= arg.lineno
+                        and self.lineno <= arg.end_lineno
                     ),
                     None,
                 )
+            ):
+                self.lambdas[_LambdaByName._DEFAULT_NAME] = a_lambda
+
             for kwd in node.keywords:
                 if (
-                    isinstance(kwd.value, ast.Lambda)
+                    kwd.arg is not None
+                    and isinstance(kwd.value, ast.Lambda)
+                    and kwd.value.lineno is not None
+                    and kwd.value.end_lineno is not None
                     and self.lineno >= kwd.value.lineno
                     and self.lineno <= kwd.value.end_lineno
                 ):

taipy/gui/extension/library.py

@@ -112,8 +112,8 @@ def __init__(
         *react_component* is ignored.
 
         Arguments:
-            default_property (str): the name of the default property for this element.
-            properties (List[ElementProperty]): The list of properties for this element.
+            default_property (str): The name of the default property for this element.
+            properties (Dict[str, ElementProperty]): The dictionary containing the properties of this element, where the keys are the property names and the values are instances of ElementProperty.
             inner_properties (Optional[List[ElementProperty]]): The optional list of inner properties for this element.<br/>
                 Default values are set/binded automatically.
             react_component (Optional[str]): The name of the component to be created on the front-end.<br/>