Added timestamp column to .mpr export

be-smith · be-smith · commit 7126d8f59831 · 2026-02-23T15:08:29.000Z
diff --git a/src/navani/echem.py b/src/navani/echem.py
@@ -76,6 +76,7 @@ def echem_file_loader(filepath: Union[str, Path], mass: float = None, area: floa
             gal_file = MPRfile(f)
 
         df = pd.DataFrame(data=gal_file.data)
+        df["timestamp"] = gal_file.timestamp + pd.to_timedelta(df["time/s"], unit="s")
         df = biologic_processing(df)
 
     # arbin .res file - uses an sql server and requires mdbtools installed
diff --git a/tests/test_echem.py b/tests/test_echem.py
@@ -95,7 +95,7 @@ def test_mpr_reader():
         "../Example_data/jdb11-1_c3_gcpl_5cycles_2V-3p8V_C-24_data_C09.mpr"
     )
     df = ec.echem_file_loader(test_path)
-    assert df.shape == (46102, 18)
+    assert df.shape == (46102, 19)
 
     cols = (
         "state",
@@ -116,6 +116,7 @@ def test_mpr_reader():
         "control/V/mA",
         "I Range",
         "flags",
+        "timestamp",
     )
 
     assert set(cols) == set(df)

Original file line number	Diff line number	Diff line change
`@@ -95,7 +95,7 @@ def test_mpr_reader():`
`95`	`95`	`"../Example_data/jdb11-1_c3_gcpl_5cycles_2V-3p8V_C-24_data_C09.mpr"`
`96`	`96`	`)`
`97`	`97`	`df = ec.echem_file_loader(test_path)`
`98`		`- assert df.shape == (46102, 18)`
	`98`	`+ assert df.shape == (46102, 19)`
`99`	`99`
`100`	`100`	`cols = (`
`101`	`101`	`"state",`
`@@ -116,6 +116,7 @@ def test_mpr_reader():`
`116`	`116`	`"control/V/mA",`
`117`	`117`	`"I Range",`
`118`	`118`	`"flags",`
	`119`	`+ "timestamp",`
`119`	`120`	`)`
`120`	`121`
`121`	`122`	`assert set(cols) == set(df)`