Version 1.4.12.

Thanks @arkn98!

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pricehist"
-version = "1.4.10"
+version = "1.4.12"
 description = "Fetch and format historical price data"
 authors = ["Chris Berkhout <chris@chrisberkhout.com>"]
 license = "MIT"

src/pricehist/__init__.py

@@ -1 +1 @@
-__version__ = "1.4.10"
+__version__ = "1.4.12"

src/pricehist/sources/yahoo.py

@@ -72,6 +72,7 @@ class Yahoo(BaseSource):
 
         data = self._data(series)
         quote = data["chart"]["result"][0]["meta"]["currency"]
+        offset = data["chart"]["result"][0]["meta"]["gmtoffset"]
 
         timestamps = data["chart"]["result"][0]["timestamp"]
         adjclose_data = data["chart"]["result"][0]["indicators"]["adjclose"][0]
@@ -79,19 +80,21 @@ class Yahoo(BaseSource):
         amounts = {**adjclose_data, **rest_data}
 
         prices = [
-            Price(ts, amount)
+            Price(date, amount)
             for i in range(len(timestamps))
-            if (ts := datetime.fromtimestamp(timestamps[i]).strftime("%Y-%m-%d"))
-            <= series.end
+            if (date := self._ts_to_date(timestamps[i] + offset)) <= series.end
             if (amount := self._amount(amounts, series.type, i)) is not None
         ]
 
         return dataclasses.replace(series, quote=quote, prices=prices)
 
+    def _ts_to_date(self, ts) -> str:
+        return datetime.fromtimestamp(ts, tz=timezone.utc).date().isoformat()
+
     def _amount(self, amounts, type, i):
         if type == "mid" and amounts["high"] != "null" and amounts["low"] != "null":
             return sum([Decimal(amounts["high"][i]), Decimal(amounts["low"][i])]) / 2
-        elif amounts[type] != "null":
+        elif amounts[type] != "null" and amounts[type][i] is not None:
             return Decimal(amounts[type][i])
         else:
             return None
@@ -139,11 +142,10 @@ class Yahoo(BaseSource):
             raise exceptions.InvalidPair(
                 series.base, series.quote, self, "Symbol not found."
             )
-        if code == 400 and "Data doesn't exist" in text:
+        elif code == 400 and "Data doesn't exist" in text:
             raise exceptions.BadResponse(
                 "No data for the given interval. Try requesting a larger interval."
             )
-
         elif code == 404 and "Timestamp data missing" in text:
             raise exceptions.BadResponse(
                 "Data missing. The given interval may be for a gap in the data "
@@ -162,4 +164,10 @@ class Yahoo(BaseSource):
                 "The data couldn't be parsed. "
             ) from e
 
+        if "timestamp" not in data["chart"]["result"][0]:
+            raise exceptions.BadResponse(
+                "No data for the given interval. "
+                "There may be a problem with the symbol or the interval."
+            )
+
         return data

tests/live.sh

@@ -75,10 +75,10 @@ name="Alpha Vantage physical currency"
 cmd="pricehist fetch alphavantage AUD/EUR -s 2021-01-11 -e 2021-01-14"
 read -r -d '' expected <<END
 date,base,quote,amount,source,type
-2021-01-11,AUD,EUR,0.63318,alphavantage,close
-2021-01-12,AUD,EUR,0.63664,alphavantage,close
-2021-01-13,AUD,EUR,0.63585,alphavantage,close
-2021-01-14,AUD,EUR,0.63960,alphavantage,close
+2021-01-11,AUD,EUR,0.63374,alphavantage,close
+2021-01-12,AUD,EUR,0.63684,alphavantage,close
+2021-01-13,AUD,EUR,0.63686,alphavantage,close
+2021-01-14,AUD,EUR,0.63984,alphavantage,close
 END
 run_test "$name" "$cmd" "$expected"
 
@@ -128,7 +128,7 @@ date,base,quote,amount,source,type
 2021-01-07,BTC,USD,39713.5079,coindeskbpi,close
 2021-01-08,BTC,USD,40519.4486,coindeskbpi,close
 END
-run_test "$name" "$cmd" "$expected"
+skip_test "$name" "$cmd" "$expected"
 
 name="CoinMarketCap"
 cmd="pricehist fetch coinmarketcap BTC/EUR -s 2021-01-04 -e 2021-01-08"

tests/pricehist/sources/test_yahoo.py

@@ -54,6 +54,13 @@ def long_ok(requests_mock):
     yield requests_mock
 
 
+@pytest.fixture
+def with_null_ok(requests_mock):
+    json = (Path(os.path.splitext(__file__)[0]) / "inrx-with-null.json").read_text()
+    requests_mock.add(responses.GET, url("INR=X"), body=json, status=200)
+    yield requests_mock
+
+
 def test_normalizesymbol(src):
     assert src.normalizesymbol("tsla") == "TSLA"
 
@@ -157,6 +164,13 @@ def test_fetch_from_before_start(src, type, long_ok):
     assert len(series.prices) > 9
 
 
+def test_fetch_skips_dates_with_nulls(src, type, with_null_ok):
+    series = src.fetch(Series("INR=X", "", type, "2017-07-10", "2017-07-12"))
+    assert series.prices[0] == Price("2017-07-10", Decimal("64.61170196533203125"))
+    assert series.prices[1] == Price("2017-07-12", Decimal("64.52559661865234375"))
+    assert len(series.prices) == 2
+
+
 def test_fetch_to_future(src, type, recent_ok):
     series = src.fetch(Series("TSLA", "", type, "2021-01-04", "2100-01-08"))
     assert len(series.prices) > 0

tests/pricehist/sources/test_yahoo/inrx-with-null.json

@@ -0,0 +1,119 @@
+{
+  "chart": {
+    "result": [
+      {
+        "meta": {
+          "currency": "INR",
+          "symbol": "INR=X",
+          "exchangeName": "CCY",
+          "fullExchangeName": "CCY",
+          "instrumentType": "CURRENCY",
+          "firstTradeDate": 1070236800,
+          "regularMarketTime": 1726284616,
+          "hasPrePostMarketData": false,
+          "gmtoffset": 3600,
+          "timezone": "BST",
+          "exchangeTimezoneName": "Europe/London",
+          "regularMarketPrice": 83.89,
+          "fiftyTwoWeekHigh": 83.89,
+          "fiftyTwoWeekLow": 83.89,
+          "regularMarketDayHigh": 83.89,
+          "regularMarketDayLow": 83.89,
+          "regularMarketVolume": 0,
+          "longName": "USD/INR",
+          "shortName": "USD/INR",
+          "chartPreviousClose": 64.6117,
+          "priceHint": 4,
+          "currentTradingPeriod": {
+            "pre": {
+              "timezone": "BST",
+              "start": 1726182000,
+              "end": 1726182000,
+              "gmtoffset": 3600
+            },
+            "regular": {
+              "timezone": "BST",
+              "start": 1726182000,
+              "end": 1726268340,
+              "gmtoffset": 3600
+            },
+            "post": {
+              "timezone": "BST",
+              "start": 1726268340,
+              "end": 1726268340,
+              "gmtoffset": 3600
+            }
+          },
+          "dataGranularity": "1d",
+          "range": "",
+          "validRanges": [
+            "1d",
+            "5d",
+            "1mo",
+            "3mo",
+            "6mo",
+            "1y",
+            "2y",
+            "5y",
+            "10y",
+            "ytd",
+            "max"
+          ]
+        },
+        "timestamp": [
+          1499641200,
+          1499727600,
+          1499814000,
+          1499900400
+        ],
+        "indicators": {
+          "quote": [
+            {
+              "open": [
+                64.6155014038086,
+                null,
+                64.55549621582031,
+                64.46800231933594
+              ],
+              "volume": [
+                0,
+                null,
+                0,
+                0
+              ],
+              "low": [
+                64.41000366210938,
+                null,
+                64.3499984741211,
+                64.33999633789062
+              ],
+              "close": [
+                64.61170196533203,
+                null,
+                64.52559661865234,
+                64.36499786376953
+              ],
+              "high": [
+                64.6155014038086,
+                null,
+                64.56999969482422,
+                64.48419952392578
+              ]
+            }
+          ],
+          "adjclose": [
+            {
+              "adjclose": [
+                64.61170196533203,
+                null,
+                64.52559661865234,
+                64.36499786376953
+              ]
+            }
+          ]
+        }
+      }
+    ],
+    "error": null
+  }
+}