added truncate parameter

src/imports/utils.py

@@ -260,38 +260,42 @@ class Paginator:
     def add_page_break(self, *, to_beginning: bool=False) -> None:
         self.add(self._page_break, to_beginning=to_beginning)
 
-    def add(self, item: typing.Any, *, to_beginning: bool=False, keep_intact: bool=False) -> None:
+    def add(self, item: typing.Any, *, to_beginning: bool=False, keep_intact: bool=False, truncate=False) -> None:
         item = str(item)
         i = 0
         if not keep_intact and not item == self._page_break:
             item_parts = item.strip('\n').split('\n')
             for part in item_parts:
                 if len(part) > self._max_line_length:
-                    length = 0
-                    out_str = ''
-
-                    def close_line(line):
-                        nonlocal i, out_str, length
-                        self._parts.insert(i, out_str) if to_beginning else self._parts.append(out_str)
-                        i += 1
-                        out_str = line + ' '
-                        length = len(out_str)
-
-                    bits = part.split(' ')
-                    for bit in bits:
-                        next_len = length + len(bit) + 1
-                        if next_len <= self._max_line_length:
-                            out_str += bit + ' '
-                            length = next_len
-                        elif len(bit) > self._max_line_length:
-                            if out_str:
-                                close_line(line='')
-                            for out_str in [bit[i:i + self._max_line_length]
-                                            for i in range(0, len(bit), self._max_line_length)]:
-                                close_line('')
-                        else:
-                            close_line(bit)
-                    close_line('')
+                    if not truncate:
+                        length = 0
+                        out_str = ''
+
+                        def close_line(line):
+                            nonlocal i, out_str, length
+                            self._parts.insert(i, out_str) if to_beginning else self._parts.append(out_str)
+                            i += 1
+                            out_str = line + ' '
+                            length = len(out_str)
+
+                        bits = part.split(' ')
+                        for bit in bits:
+                            next_len = length + len(bit) + 1
+                            if next_len <= self._max_line_length:
+                                out_str += bit + ' '
+                                length = next_len
+                            elif len(bit) > self._max_line_length:
+                                if out_str:
+                                    close_line(line='')
+                                for out_str in [bit[i:i + self._max_line_length]
+                                                for i in range(0, len(bit), self._max_line_length)]:
+                                    close_line('')
+                            else:
+                                close_line(bit)
+                        close_line('')
+                    else:
+                        line = f'{part:.{self._max_line_length-3}}...'
+                        self._parts.insert(i, line) if to_beginning else self._parts.append(line)
                 else:
                     self._parts.insert(i, part) if to_beginning else self._parts.append(part)
                     i += 1