temporal: SIM115: Use context manager for file I/O in t.rast (#5105)

* added context managers

* update pyproject.toml

* add join to reduce code

* added join to reduce code t.rast.series

* ruff auto fix

* rearranged with block

* reverted back to gs.tmpfile

Author: arohanajit

pyproject.toml

@@ -376,9 +376,6 @@ ignore = [
 "scripts/v.*/v.*.py" = ["SIM115"]
 "scripts/wxpyimgview/wxpyimgview_gui.py" = ["SIM115"]
 "temporal/t.rast.algebra/testsu*/*_algebra_arithmetic.py" = ["FLY002"]
-"temporal/t.rast.colors/t.rast.colors.py" = ["SIM115"]
-"temporal/t.rast.series/t.rast.series.py" = ["SIM115"]
-"temporal/t.rast.what/t.rast.what.py" = ["SIM115"]
 "temporal/t.register/testsu*/*_raster_different_local.py" = ["FLY002"]
 "temporal/t.register/testsu*/*_raster_mapmetadata.py" = ["FLY002"]
 "temporal/t.register/testsuite/test_t_register_raster.py" = ["FLY002"]

temporal/t.rast.colors/t.rast.colors.py

@@ -104,6 +104,7 @@
 
 import grass.script as gs
 from grass.exceptions import CalledModuleError
+from pathlib import Path
 
 ############################################################################
 
@@ -146,16 +147,6 @@ def main():
     rows = sp.get_registered_maps("id", None, None, None)
 
     if rows:
-        # Create the r.colors input file
-        filename = gs.tempfile(True)
-        file = open(filename, "w")
-
-        for row in rows:
-            string = "%s\n" % (row["id"])
-            file.write(string)
-
-        file.close()
-
         flags_ = ""
         if remove:
             flags_ += "r"
@@ -172,6 +163,10 @@ def main():
         if equi:
             flags_ += "e"
 
+        # Create the r.colors input file
+        filename = gs.tempfile(True)
+        Path(filename).write_text("\n".join(str(row["id"]) for row in rows))
+
         try:
             gs.run_command(
                 "r.colors",

temporal/t.rast.series/t.rast.series.py

@@ -94,6 +94,7 @@
 
 import grass.script as gs
 from grass.exceptions import CalledModuleError
+from pathlib import Path
 
 ############################################################################
 
@@ -136,13 +137,7 @@ def main():
     if rows:
         # Create the r.series input file
         filename = gs.tempfile(True)
-        file = open(filename, "w")
-
-        for row in rows:
-            string = "%s\n" % (row["id"])
-            file.write(string)
-
-        file.close()
+        Path(filename).write_text("\n".join(str(row["id"]) for row in rows))
 
         flag = ""
         if len(rows) > max_files_open: