Merge pull request opencv#19268 from fpetrogalli:tabs-summary-output

* [ts][summary.py] Extend `-o` to support tabs separated output.

* [ts][summary.py] Improve TABS sepatated output.

There is no need to print TAB at the beginning and at the end of each
row in the table.

Cosmetic change: using python list comprehension instead of for loop
to process a single row.

Author: fpetrogalli

modules/ts/misc/summary.py

@@ -30,7 +30,7 @@ def getSetName(tset, idx, columns, short = True):
         exit(0)
 
     parser = OptionParser()
-    parser.add_option("-o", "--output", dest="format", help="output results in text format (can be 'txt', 'html', 'markdown' or 'auto' - default)", metavar="FMT", default="auto")
+    parser.add_option("-o", "--output", dest="format", help="output results in text format (can be 'txt', 'html', 'markdown', 'tabs' or 'auto' - default)", metavar="FMT", default="auto")
     parser.add_option("-m", "--metric", dest="metric", help="output metric", metavar="NAME", default="gmean")
     parser.add_option("-u", "--units", dest="units", help="units for output values (s, ms (default), us, ns or ticks)", metavar="UNITS", default="ms")
     parser.add_option("-f", "--filter", dest="filter", help="regex to filter tests", metavar="REGEX", default=None)

modules/ts/misc/table_formatter.py

@@ -38,6 +38,7 @@ class table(object):
     def __init__(self, caption = None, format=None):
         self.format = format
         self.is_markdown = self.format == 'markdown'
+        self.is_tabs = self.format == 'tabs'
         self.columns = {}
         self.rows = []
         self.ridx = -1;
@@ -253,7 +254,7 @@ def getValue(self, name, *elements):
 
     def consolePrintTable(self, out):
         columns = self.layoutTable()
-        colrizer = getColorizer(out) if not self.is_markdown else dummyColorizer(out)
+        colrizer = getColorizer(out) if not (self.is_markdown or self.is_tabs) else dummyColorizer(out)
 
         if self.caption:
             out.write("%s%s%s" % ( os.linesep,  os.linesep.join(self.reformatTextValue(self.caption)), os.linesep * 2))
@@ -299,6 +300,10 @@ def consolePrintRow2(self, out, r, columns):
                 text = ' '.join(self.getValue('text', c) or [])
                 out.write(text + "|")
             out.write(os.linesep)
+        elif self.is_tabs:
+            cols_to_join=[' '.join(self.getValue('text', c) or []) for c in row.cells]
+            out.write('\t'.join(cols_to_join))
+            out.write(os.linesep)
         else:
             for ln in range(row.minheight):
                 i = 0