Add support for table folding via an env var

'GLOBUS_CLI_FOLD_TABLES=1' enables table folding for all tabular outputs.
This can be used to preview the behavior and, in the future, to opt-out
of folded table output for the entire CLI.

Author: sirosen

src/globus_cli/termio/_display.py

@@ -6,7 +6,12 @@
 import click
 import globus_sdk
 
-from .context import outformat_is_json, outformat_is_text, outformat_is_unix
+from .context import (
+    fold_tables,
+    outformat_is_json,
+    outformat_is_text,
+    outformat_is_unix,
+)
 from .field import Field
 from .printers import (
     CustomPrinter,
@@ -25,7 +30,6 @@ class TextMode(enum.Enum):
     silent = enum.auto()
     json = enum.auto()
     text_table = enum.auto()
-    text_folded_table = enum.auto()
     text_record = enum.auto()
     text_record_list = enum.auto()
     text_raw = enum.auto()
@@ -42,7 +46,6 @@ class Renderer:
     """
 
     TABLE = TextMode.text_table
-    FOLDED_TABLE = TextMode.text_folded_table
     SILENT = TextMode.silent
     JSON = TextMode.json
     RECORD = TextMode.text_record
@@ -168,16 +171,17 @@ def _resolve_printer(
         if not isinstance(text_mode, TextMode):
             return CustomPrinter(custom_print=text_mode)
 
-        if text_mode in (self.FOLDED_TABLE, self.TABLE, self.RECORD, self.RECORD_LIST):
+        if text_mode in (self.TABLE, self.RECORD, self.RECORD_LIST):
             fields = _assert_fields(fields)
             if text_mode == self.RECORD:
                 return RecordPrinter(fields)
 
             _assert_iterable(data)
             if text_mode == self.TABLE:
-                return TablePrinter(fields)
-            if text_mode == self.FOLDED_TABLE:
-                return FoldedTablePrinter(fields)
+                if fold_tables():
+                    return FoldedTablePrinter(fields)
+                else:
+                    return TablePrinter(fields)
             if text_mode == self.RECORD_LIST:
                 return RecordListPrinter(fields)
 

src/globus_cli/termio/context.py

@@ -108,3 +108,8 @@ def term_is_interactive() -> bool:
         return True
 
     return os.getenv("PS1") is not None
+
+
+def fold_tables() -> bool | None:
+    val = os.getenv("GLOBUS_CLI_FOLD_TABLES")
+    return val is not None and utils.str2bool(val)