Add enable_ansi_escape attribute to writer classes: #30

pytablewriter/style/_styler.py

@@ -72,7 +72,7 @@ def get_font_size(self, style: Style) -> Optional[str]:
 
 class TextStyler(AbstractStyler):
     def apply_terminal_style(self, value: str, style: Style) -> str:
-        if not self._writer.colorize_terminal:
+        if not self._writer.colorize_terminal or not self._writer.enable_ansi_escape:
             return value
 
         ansi_styles = []

pytablewriter/writer/_table_writer.py

@@ -398,6 +398,7 @@ def __init__(self) -> None:
         self._styler = self._create_styler(self)
         self.style_filter_kwargs = {}  # type: Dict[str, Any]
         self.colorize_terminal = True
+        self.__enable_ansi_escape = True
 
         self.max_workers = 1
 
@@ -486,6 +487,18 @@ def column_styles(self, value: Sequence[Optional[Style]]) -> None:
 
         self.__clear_preprocess()
 
+    @property
+    def enable_ansi_escape(self) -> bool:
+        return self.__enable_ansi_escape
+
+    @enable_ansi_escape.setter
+    def enable_ansi_escape(self, value: bool) -> None:
+        if self.__enable_ansi_escape == value:
+            return
+
+        self.__enable_ansi_escape = value
+        self.__clear_preprocess()
+
     def add_style_filter(self, style_filter: StyleFilterFunc) -> None:
         """Add a style filter function.
 

test/writer/text/test_markdown_writer.py

@@ -817,6 +817,23 @@ def test_normal_ansi_style(self):
         assert regexp_ansi_escape.search(out)
         assert regexp_ansi_escape.sub("", out) == expected
 
+    def test_normal_enable_ansi_escape(self):
+        writer = table_writer_class()
+        writer.column_styles = [
+            Style(font_weight="bold"),
+            Style(decoration_line="line-through"),
+        ]
+        writer.headers = ["w/ bold", "w/ line through"]
+        writer.value_matrix = [["hoge", "foo"]]
+
+        writer.enable_ansi_escape = True
+        out = writer.dumps()
+        assert regexp_ansi_escape.search(out)
+
+        writer.enable_ansi_escape = False
+        out = writer.dumps()
+        assert regexp_ansi_escape.search(out) is None
+
     def test_normal_margin_1(self, capsys):
         writer = table_writer_class()
         writer.from_tabledata(TableData("", headers, value_matrix))