better csv for end_results and end_statistics

moptipy/evaluation/ecdf.py

@@ -192,6 +192,7 @@ def to_csv(self, file: str,
         """
         path: Final[Path] = Path(file)
         logger(f"Writing ECDF to CSV file {path!r}.")
+        path.ensure_parent_dir_exists()
 
         with path.open_for_write() as out:
             sep: Final[str] = CSV_SEPARATOR

moptipy/evaluation/end_results.py

@@ -37,7 +37,11 @@
     num_to_str,
     str_to_num,
 )
-from pycommons.types import check_int_range, check_to_int_range, type_error
+from pycommons.types import (
+    check_int_range,
+    check_to_int_range,
+    type_error,
+)
 
 from moptipy.api.logging import (
     FILE_SUFFIX,
@@ -559,6 +563,7 @@ def to_csv(results: Iterable[EndResult], file: str) -> Path:
     """
     path: Final[Path] = Path(file)
     logger(f"Writing end results to CSV file {path!r}.")
+    path.ensure_parent_dir_exists()
     with path.open_for_write() as wt:
         csv_write(data=sorted(results),
                   consumer=line_writer(wt),
@@ -633,7 +638,8 @@ def setup(self, data: Iterable[EndResult]) -> "CsvWriter":
         :returns: this writer
         """
         if self.__setup:
-            raise ValueError("CSV writer has already been set up.")
+            raise ValueError(
+                "EndResults CsvWriter has already been set up.")
         self.__setup = True
 
         no_encoding: bool = True

moptipy/evaluation/end_statistics.py

@@ -42,7 +42,12 @@
     num_or_none_to_str,
     str_to_num,
 )
-from pycommons.types import check_int_range, type_error, type_name_of
+from pycommons.types import (
+    check_int_range,
+    reiterable,
+    type_error,
+    type_name_of,
+)
 
 from moptipy.api.logging import (
     KEY_ALGORITHM,
@@ -839,6 +844,7 @@ def to_csv(data: EndStatistics | Iterable[EndStatistics],
     """
     path: Final[Path] = Path(file)
     logger(f"Writing end result statistics to CSV file {path!r}.")
+    path.ensure_parent_dir_exists()
     with path.open_for_write() as wt:
         csv_write(
             data=[data] if isinstance(data, EndStatistics) else sorted(data),
@@ -1084,10 +1090,13 @@ def setup(self, data: Iterable[EndStatistics]) -> "CsvWriter":
         :returns: this writer
         """
         if self.__setup:
-            raise ValueError("CSV writer has already been set up.")
+            raise ValueError(
+                "EndStatistics CsvWriter has already been set up.")
         self.__setup = True
-        checker: int = 127
 
+        data = reiterable(data)
+
+        checker: int = 127
         for es in data:
             if es.algorithm is not None:
                 self.__has_algorithm = True

moptipy/evaluation/ert.py

@@ -214,6 +214,7 @@ def to_csv(self, file: str,
         """
         path: Final[Path] = Path(file)
         logger(f"Writing ERT to CSV file {path!r}.")
+        path.ensure_parent_dir_exists()
 
         with path.open_for_write() as out:
             sep: Final[str] = CSV_SEPARATOR

moptipy/evaluation/progress.py

@@ -213,6 +213,7 @@ def to_csv(self, file: str,
         """
         path: Final[Path] = Path(file)
         logger(f"Writing progress object to CSV file {path!r}.")
+        path.ensure_parent_dir_exists()
 
         with path.open_for_write() as out:
             sep: Final[str] = CSV_SEPARATOR

requirements.txt

@@ -39,7 +39,7 @@ psutil == 5.9.5
 
 # pycommons offers many of the tools and utilities used in moptipy that are
 # not related to optimization.
-pycommons == 0.8.30
+pycommons == 0.8.31
 
 # scikit-learn is used to obtain some clusters of JSSP instances for our
 # experiments.

setup.cfg

@@ -83,7 +83,7 @@ install_requires =
     matplotlib >= 3.8.0
     pdfo >= 1.3.1
     psutil >= 5.9.5
-    pycommons >= 0.8.30
+    pycommons >= 0.8.31
     scikit-learn >= 1.3.1
     scipy >= 1.11.3
 packages = find: