Cherrypicked pipeline fix.

CHANGELOG.md

@@ -67,5 +67,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Tests for NaN Double Values (see https://gitlab.com/caosdb/caosdb-server/issues/41)
 * Tests for name queries. [caosdb-server#51](https://gitlab.com/caosdb/caosdb-server/-/issues/51)
+* Server-side scripting is more tolerant to Pandas warnings now. (https://gitlab.indiscale.com/caosdb/src/caosdb-pyinttest/-/issues/21)
 
 ### Security (in case of vulnerabilities)

README.md

@@ -13,9 +13,17 @@ CaosDB project.
   be found elsewhere):
   - The CaosDB server must have debugging enabled.
   - The database should be empty.
+  - There should be a symlink named `debug-scripting-bin` inside the `custom` profile directory,
+    which points to the `resources` directory here in the pyinttest repository.  You can create a
+    symlink like that with the following command (adapt paths to match your setting):  
+    `custom$ ln -s ../../../../caosdb-pyinttest/resources debug-scripting-bin`
 - Modify `pycaosdb.ini.template` and save it as `pycaosdb.ini`, taking care of the following points:
   - Certificates must be valid and be specified in `pycaosdb.ini`.
   - Server-side scripting paths must be given, otherwise server-side scripting will be omitted.
+    - The local path `test_server_side_scripting.bin_dir.local` should point to a
+      `linkahead-server/scripting/bin` somwhere.
+    - The remote path `test_server_side_scripting.bin_dir.server` should probably be something like
+      `/opt/caosdb/git/caosdb-server/scripting/bin-debug`.
   - Paths for the file tests must exist, or be creatable by the testing script and the server.
 - Run the tests with `pytest` or `pytest-3` (depending on your system).
 - If you want to run just a single test, you can also select a single test file:  

tests/test_server_side_scripting.py

@@ -70,6 +70,28 @@ def clean_database():
         d.delete()
 
 
+def assert_stderr(stderr) -> None:
+    """Assert that ``stderr`` is either None or contains only the pyarrow deprecation warning.
+
+This can probably removed with Pandas 3.0, to be replaced by ``assert stderr is None``.
+
+Parameters
+----------
+stderr
+  The object to be tested.
+    """
+    if stderr is None:
+        return
+    assert isinstance(stderr, str)
+    assert stderr.split(sep="\n", maxsplit=1)[1] == """Pyarrow will become a required dependency of pandas in the next major release of pandas (pandas 3.0),
+(to allow more performant data types, such as the Arrow string type, and better interoperability with other libraries)
+but was not found to be installed on your system.
+If this would cause problems for you,
+please provide us feedback at https://github.com/pandas-dev/pandas/issues/54466
+        
+  i = __import__(m)"""
+
+
 def setup_function(function):
     clean_database()
 
@@ -148,7 +170,7 @@ def test_call_ok():
     xml = etree.parse(r)
     assert xml.xpath("/Response/script/call")[0].text == "ok"
     assert xml.xpath("/Response/script/stdout")[0].text == "ok"
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
     assert xml.xpath("/Response/script/@code")[0] == "0"
 
 
@@ -178,7 +200,7 @@ def test_run_server_side_script_with_file_as_positional_param():
                                       exit="123",
                                       query="COUNT ENTITY TestRT",
                                       files={"-p2": "test_file.txt"})
-    assert response.stderr is None
+    assert_stderr(response.stderr)
     assert response.code == 123
     assert response.call == ('administration/diagnostics.py '
                              '--exit=123 --query=COUNT ENTITY TestRT '
@@ -203,7 +225,7 @@ def test_run_server_side_script_with_additional_file():
                                       exit="123",
                                       query="COUNT ENTITY TestRT",
                                       files={"dummykey": "test_file.txt"})
-    assert response.stderr is None
+    assert_stderr(response.stderr)
     assert response.code == 123
     assert response.call == ('administration/diagnostics.py '
                              '--exit=123 --query=COUNT ENTITY TestRT '
@@ -250,7 +272,7 @@ def test_diagnostics_basic():
                                                              "with code 123.")
     assert xml.xpath("/Response/script/call")[0].text.startswith(
         "administration/diagnostics.py")
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
 
 
 def test_diagnostics_with_file_upload():
@@ -293,7 +315,7 @@ def test_diagnostics_with_file_upload():
                                                            "with code 0.")
     assert xml.xpath("/Response/script/call")[0].text.startswith(
         "administration/diagnostics.py")
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
 
 
 @mark.local_server
@@ -403,7 +425,7 @@ def test_anonymous_script_calling_success():
     assert xml.xpath("/Response/UserInfo/Roles/Role")[0].text == "anonymous"
     assert xml.xpath("/Response/script/call")[0].text == "ok_anonymous"
     assert xml.xpath("/Response/script/stdout")[0].text == "ok_anonymous"
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
     assert xml.xpath("/Response/script/@code")[0] == "0"