enable customization of table borders in myclirc

Styling table borders with a Pygments style turns out to have been
already implemented in cli_helpers, per

 * https://github.com/dbcli/cli_helpers/blob/9fb9f656ea8f4ab8230c2e4633526791d2d7438e/cli_helpers/tabular_output/tabulate_adapter.py#L163

In the mycli project, we just need to define Token.Output.TableSeparator
and make it configurable by the user in ~/.myclirc.

Author: rolandwalker

changelog.md

@@ -9,6 +9,7 @@ Features
 * Allow customization of the toolbar with prompt format strings.
 * Add warnings-count prompt format strings: `\w` and `\W`.
 * Handle/document more attributes in the `[colors]` section of `~/.myclirc`.
+* Enable customization of table border color/attributes in `~/.myclirc`.
 
 
 Bug Fixes

mycli/clistyle.py

@@ -32,12 +32,14 @@
     Token.Toolbar.Arg.Text: "arg-toolbar.text",
     Token.Toolbar.Transaction.Valid: "bottom-toolbar.transaction.valid",
     Token.Toolbar.Transaction.Failed: "bottom-toolbar.transaction.failed",
+    Token.Output.TableSeparator: "output.table-separator",
     Token.Output.Header: "output.header",
     Token.Output.OddRow: "output.odd-row",
     Token.Output.EvenRow: "output.even-row",
     Token.Output.Null: "output.null",
     Token.Output.Status: "output.status",
     Token.Output.Timing: "output.timing",
+    Token.Warnings.TableSeparator: "warnings.table-separator",
     Token.Warnings.Header: "warnings.header",
     Token.Warnings.OddRow: "warnings.odd-row",
     Token.Warnings.EvenRow: "warnings.even-row",

mycli/myclirc

@@ -264,12 +264,14 @@ prompt = ''
 continuation = ''
 
 # style classes for colored table output
+output.table-separator = ""
 output.header = "#00ff5f bold"
 output.odd-row = ""
 output.even-row = ""
 output.null = "#808080"
 output.status = ""
 output.timing = ""
+warnings.table-separator = ""
 warnings.header = "#00ff5f bold"
 warnings.odd-row = ""
 warnings.even-row = ""

test/myclirc

@@ -262,12 +262,14 @@ prompt = ''
 continuation = ''
 
 # style classes for colored table output
+output.table-separator = ""
 output.header = "#00ff5f bold"
 output.odd-row = ""
 output.even-row = ""
 output.null = "#808080"
 output.status = ""
 output.timing = ""
+warnings.table-separator = ""
 warnings.header = "#00ff5f bold"
 warnings.odd-row = ""
 warnings.even-row = ""