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Update backtesting.py

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This commit is contained in:
1122455801 2019-06-10 23:45:08 +08:00
parent ace002609a
commit 127e863c3b
1 changed files with 7 additions and 3 deletions
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8
vnpy/app/cta_strategy/backtesting.py
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@ -328,9 +328,11 @@ class BacktestingEngine:
""""""
self.output("开始计算策略统计指标")
if not df:
# Check DataFrame input exterior
if df is None:
df = self.daily_df
# Check for init DataFrame
if df is None:
# Set all statistics to 0 if no trade.
start_date = ""
@ -474,9 +476,11 @@ class BacktestingEngine:
def show_chart(self, df: DataFrame = None):
""""""
if not df:
# Check DataFrame input exterior
if df is None:
df = self.daily_df
# Check for init DataFrame
if df is None:
return