Fix HyP3 GAMMA filename parsing for longer temporal baselines (insarlab#1479)

* Fix HyP3 GAMMA filename parsing for 4-digit day separation

* Move parsing tests into existing test file

Author: teinori

src/mintpy/prep_hyp3.py

@@ -29,7 +29,7 @@ def _get_product_name_and_type(filename: str) -> tuple[str, str]:
         job_type = 'INSAR_ISCE_MULTI_BURST'
 
     elif match := re.match(
-        r'S1[ABC]{2}(_\d{8}T\d{6}){2}_(VV|HH)[PRO]\d{3}_INT\d{2}_G_[uw][ec][123F]_[0-9A-F]{4}',
+        r'S1[ABC]{2}(_\d{8}T\d{6}){2}_(VV|HH)[PRO]\d{3,4}_INT\d{2}_G_[uw][ec][123F]_[0-9A-F]{4}',
         filename,
     ):
         job_type = 'INSAR_GAMMA'

tests/test_prep_hyp3.py

@@ -16,6 +16,11 @@ def test_get_product_name_and_type():
         'S1AA_20150504T120217_20150621T120220_VVP048_INT80_G_ueF_5CED_foo.tif'
     ) == ('S1AA_20150504T120217_20150621T120220_VVP048_INT80_G_ueF_5CED', 'INSAR_GAMMA')
 
+    assert _get_product_name_and_type(
+        'S1BC_20210807T053645_20250729T053630_VVP1452_INT80_G_weF_9C74_unw_phase_clip.tif'
+    ) == ('S1BC_20210807T053645_20250729T053630_VVP1452_INT80_G_weF_9C74', 'INSAR_GAMMA')
+
+
     # Old INSAR_ISCE_MULTI_BURST naming convention
     with pytest.raises(
         ValueError,