Added Alerts Feature (#175)

* Added the alerts feature

* Removed dead space and organized imports

* Fixed version number

Author: jrg94

snakemd/templates.py

@@ -9,8 +9,10 @@
 import logging
 import os
 import re
+from typing import Iterable
+from enum import Enum, auto
 
-from .elements import Element, Heading, Inline, MDList, Table
+from .elements import Block, Element, Heading, Inline, MDList, Quote, Table
 
 logger = logging.getLogger(__name__)
 
@@ -53,6 +55,45 @@ def load(self, elements: list[Element]) -> None:
         self._elements = elements
 
 
+class Alerts(Template):
+    """
+    Alerts are a wrapper of the Quote object to provide
+    support for the alerts Markdown extension. While
+    quotes can be nested in each other, alerts cannot.  
+
+    .. versionadded:: 2.4
+        Included for user convenience
+
+    :param Kind kind: 
+        the kind of alert; limited to:
+
+        - NOTE
+        - TIP
+        - IMPORTANT 
+        - WARNING
+        - CAUTION
+    :param str | Iterable[str | Inline | Block] message:
+        the message you would like to show with the alert
+    """
+
+    class Kind(Enum):
+        NOTE = auto()
+        TIP = auto()
+        IMPORTANT = auto()
+        WARNING = auto()
+        CAUTION = auto()
+
+    def __init__(self, kind: Kind, message: str | Iterable[str | Inline | Block]) -> None:
+        self._kind = kind
+        self._message = message
+
+    def __str__(self) -> str:
+        return str(Quote([f"[!{self._kind.name}]", self._message]))
+
+    def __repr__(self) -> str:
+        return f"Alerts(kind={self._kind!r},message={self._message!r})"
+
+
 class CSVTable(Template):
     """
     A CSV Table is a wrapper for the Table Block,
@@ -141,7 +182,8 @@ class TableOfContents(Template):
     def __init__(self, levels: range = range(2, 3)) -> None:
         super().__init__()
         self._levels: range = levels
-        logger.debug("New table of contents initialized with levels in %s", levels)
+        logger.debug(
+            "New table of contents initialized with levels in %s", levels)
 
     def __str__(self) -> str:
         """

tests/templates/test_alerts.py

@@ -0,0 +1,26 @@
+from snakemd.elements import Inline
+from snakemd.templates import Alerts
+
+def test_alerts_note():
+    alert = Alerts(Alerts.Kind.NOTE, "Hello, World!")
+    assert str(alert) == "> [!NOTE]\n> Hello, World!"    
+
+def test_alerts_tip():
+    alert = Alerts(Alerts.Kind.TIP, "Hello, World!")
+    assert str(alert) == "> [!TIP]\n> Hello, World!"    
+
+def test_alerts_important():
+    alert = Alerts(Alerts.Kind.IMPORTANT, "Hello, World!")
+    assert str(alert) == "> [!IMPORTANT]\n> Hello, World!"  
+
+def test_alerts_warning():
+    alert = Alerts(Alerts.Kind.WARNING, "Hello, World!")
+    assert str(alert) == "> [!WARNING]\n> Hello, World!" 
+    
+def test_alerts_caution():
+    alert = Alerts(Alerts.Kind.CAUTION, "Hello, World!")
+    assert str(alert) == "> [!CAUTION]\n> Hello, World!" 
+    
+def test_alerts_inline():
+    alert = Alerts(Alerts.Kind.NOTE, Inline("Hello, World!", italics=True))
+    assert str(alert) == "> [!NOTE]\n> _Hello, World!_"