Merge pull request #186 from binary-signal/main

Fix for benchmark name when supplied by the user

quantstats/reports.py

@@ -73,7 +73,18 @@ def html(returns, benchmark=None, rf=0., grayscale=False,
  # prepare timeseries
  returns = _utils._prepare_returns(returns)
  if benchmark is not None:
- tpl = tpl.replace('{{benchmark_title}}', f"Benchmark is {benchmark} | ")
+
+ def get_benchmark_title(bench):
+ if isinstance(bench, str):
+ return bench
+ elif isinstance(bench, _pd.Series):
+ return bench.name
+ elif isinstance(bench, _pd.DataFrame):
+ return bench[bench.columns[0]].name
+ else:
+ raise ValueError("Can't infer benchmark title")
+
+ tpl = tpl.replace('{{benchmark_title}}', f"Benchmark is {get_benchmark_title(benchmark)} | ")
  benchmark = _utils._prepare_benchmark(benchmark, returns.index, rf)
  if match_dates is True:
  returns, benchmark = _match_dates(returns, benchmark)