[9.0] Fix pydantic and pkg_resources deprecations

setup.cfg

@@ -44,7 +44,7 @@ install_requires =
     psutil
     pyasn1
     pyasn1-modules
-    pydantic
+    pydantic >=2.4
     pyparsing
     python-dateutil
     pytz

src/DIRAC/Core/Utilities/test/Test_JDL.py

@@ -79,7 +79,7 @@ def test_jdlToBaseJobDescriptionModel_valid(jdl_monkey_business):
     res = jdlToBaseJobDescriptionModel(ClassAd(jdl))
     assert res["OK"], res["Message"]
 
-    data = res["Value"].dict()
+    data = res["Value"].model_dump()
     assert JobDescriptionModel(owner="owner", ownerGroup="ownerGroup", vo="lhcb", **data)
 
 

src/DIRAC/Resources/Computing/BatchSystems/SLURM.py

@@ -125,7 +125,7 @@ def _generateSrunWrapper(self, executableFile):
             content = f.read()
 
         # Need to escape environment variables of the executable file
-        content = re.sub("\$", "\\$", content)
+        content = re.sub(r"\$", r"\\$", content)
 
         # Build the script to run the executable in parallel multiple times
         # - Embed the content of executableFile inside the parallel library wrapper script

src/DIRAC/WorkloadManagementSystem/Utilities/JobModel.py

@@ -3,11 +3,9 @@
 # pylint: disable=no-self-argument, no-self-use, invalid-name, missing-function-docstring
 
 from collections.abc import Iterable
-from typing import Any, Annotated
+from typing import Any, Annotated, TypeAlias, Self
 
-import pydantic
-from packaging.version import Version
-from pydantic import BaseModel, root_validator, validator
+from pydantic import BaseModel, BeforeValidator, model_validator, field_validator, ConfigDict
 
 from DIRAC import gLogger
 from DIRAC.ConfigurationSystem.Client.Helpers.Operations import Operations
@@ -16,71 +14,71 @@
 
 # HACK: Convert appropriate iterables into sets
 def default_set_validator(value):
-    if not isinstance(value, Iterable):
+    if value is None:
+        return set()
+    elif not isinstance(value, Iterable):
         return value
     elif isinstance(value, (str, bytes, bytearray)):
         return value
     else:
         return set(value)
 
 
-if Version(pydantic.__version__) > Version("2.0.0a0"):
-    CoercibleSetStr = Annotated[
-        set[str] | None, pydantic.BeforeValidator(default_set_validator)  # pylint: disable=no-member
-    ]
-else:
-    CoercibleSetStr = set[str]
+CoercibleSetStr: TypeAlias = Annotated[set[str], BeforeValidator(default_set_validator)]
 
 
 class BaseJobDescriptionModel(BaseModel):
     """Base model for the job description (not parametric)"""
 
-    class Config:
-        validate_assignment = True
+    model_config = ConfigDict(validate_assignment=True)
 
-    arguments: str = None
-    bannedSites: CoercibleSetStr = None
+    arguments: str = ""
+    bannedSites: CoercibleSetStr = set()
+    # TODO: This should use a field factory
     cpuTime: int = Operations().getValue("JobDescription/DefaultCPUTime", 86400)
     executable: str
     executionEnvironment: dict = None
-    gridCE: str = None
-    inputSandbox: CoercibleSetStr = None
-    inputData: CoercibleSetStr = None
-    inputDataPolicy: str = None
-    jobConfigArgs: str = None
-    jobGroup: str = None
+    gridCE: str = ""
+    inputSandbox: CoercibleSetStr = set()
+    inputData: CoercibleSetStr = set()
+    inputDataPolicy: str = ""
+    jobConfigArgs: str = ""
+    jobGroup: str = ""
     jobType: str = "User"
     jobName: str = "Name"
+    # TODO: This should be an StrEnum
     logLevel: str = "INFO"
+    # TODO: This can't be None with this type hint
     maxNumberOfProcessors: int = None
     minNumberOfProcessors: int = 1
-    outputData: CoercibleSetStr = None
-    outputPath: str = None
-    outputSandbox: CoercibleSetStr = None
-    outputSE: str = None
-    platform: str = None
+    outputData: CoercibleSetStr = set()
+    outputPath: str = ""
+    outputSandbox: CoercibleSetStr = set()
+    outputSE: str = ""
+    platform: str = ""
+    # TODO: This should use a field factory
     priority: int = Operations().getValue("JobDescription/DefaultPriority", 1)
-    sites: CoercibleSetStr = None
+    sites: CoercibleSetStr = set()
     stderr: str = "std.err"
     stdout: str = "std.out"
-    tags: CoercibleSetStr = None
-    extraFields: dict[str, Any] = None
+    tags: CoercibleSetStr = set()
+    extraFields: dict[str, Any] = {}
 
-    @validator("cpuTime")
+    @field_validator("cpuTime")
     def checkCPUTimeBounds(cls, v):
         minCPUTime = Operations().getValue("JobDescription/MinCPUTime", 100)
         maxCPUTime = Operations().getValue("JobDescription/MaxCPUTime", 500000)
         if not minCPUTime <= v <= maxCPUTime:
             raise ValueError(f"cpuTime out of bounds (must be between {minCPUTime} and {maxCPUTime})")
         return v
 
-    @validator("executable")
+    @field_validator("executable")
     def checkExecutableIsNotAnEmptyString(cls, v: str):
         if not v:
             raise ValueError("executable must not be an empty string")
         return v
 
-    @validator("jobType")
+    @field_validator("jobType")
     def checkJobTypeIsAllowed(cls, v: str):
         jobTypes = Operations().getValue("JobDescription/AllowedJobTypes", ["User", "Test", "Hospital"])
         transformationTypes = Operations().getValue("Transformations/DataProcessing", [])
@@ -89,15 +87,15 @@ def checkJobTypeIsAllowed(cls, v: str):
             raise ValueError(f"jobType '{v}' is not allowed for this kind of user (must be in {allowedTypes})")
         return v
 
-    @validator("inputData")
+    @field_validator("inputData")
     def checkInputDataDoesntContainDoubleSlashes(cls, v):
         if v:
             for lfn in v:
                 if lfn.find("//") > -1:
                     raise ValueError("Input data contains //")
         return v
 
-    @validator("inputData")
+    @field_validator("inputData")
     def addLFNPrefixIfStringStartsWithASlash(cls, v: set[str]):
         if v:
             v = {lfn.strip() for lfn in v if lfn.strip()}
@@ -108,30 +106,30 @@ def addLFNPrefixIfStringStartsWithASlash(cls, v: set[str]):
                     raise ValueError("Input data files must start with LFN:/")
         return v
 
-    @root_validator(skip_on_failure=True)
-    def checkNumberOfInputDataFiles(cls, values):
-        if "inputData" in values and values["inputData"]:
+    @model_validator(mode="after")
+    def checkNumberOfInputDataFiles(self) -> Self:
+        if self.inputData:
             maxInputDataFiles = Operations().getValue("JobDescription/MaxInputData", 500)
-            if values["jobType"] == "User" and len(values["inputData"]) >= maxInputDataFiles:
+            if self.jobType == "User" and len(self.inputData) >= maxInputDataFiles:
                 raise ValueError(f"inputData contains too many files (must contain at most {maxInputDataFiles})")
-        return values
+        return self
 
-    @validator("inputSandbox")
+    @field_validator("inputSandbox")
     def checkLFNSandboxesAreWellFormated(cls, v: set[str]):
         for inputSandbox in v:
             if inputSandbox.startswith("LFN:") and not inputSandbox.startswith("LFN:/"):
                 raise ValueError("LFN files must start by LFN:/")
         return v
 
-    @validator("logLevel")
+    @field_validator("logLevel")
     def checkLogLevelIsValid(cls, v: str):
         v = v.upper()
         possibleLogLevels = gLogger.getAllPossibleLevels()
         if v not in possibleLogLevels:
             raise ValueError(f"Log level {v} not in {possibleLogLevels}")
         return v
 
-    @validator("minNumberOfProcessors")
+    @field_validator("minNumberOfProcessors")
     def checkMinNumberOfProcessorsBounds(cls, v):
         minNumberOfProcessors = Operations().getValue("JobDescription/MinNumberOfProcessors", 1)
         maxNumberOfProcessors = Operations().getValue("JobDescription/MaxNumberOfProcessors", 1024)
@@ -141,7 +139,7 @@ def checkMinNumberOfProcessorsBounds(cls, v):
             )
         return v
 
-    @validator("maxNumberOfProcessors")
+    @field_validator("maxNumberOfProcessors")
     def checkMaxNumberOfProcessorsBounds(cls, v):
         minNumberOfProcessors = Operations().getValue("JobDescription/MinNumberOfProcessors", 1)
         maxNumberOfProcessors = Operations().getValue("JobDescription/MaxNumberOfProcessors", 1024)
@@ -151,27 +149,22 @@ def checkMaxNumberOfProcessorsBounds(cls, v):
             )
         return v
 
-    @root_validator(skip_on_failure=True)
-    def checkThatMaxNumberOfProcessorsIsGreaterThanMinNumberOfProcessors(cls, values):
-        if "maxNumberOfProcessors" in values and values["maxNumberOfProcessors"]:
-            if values["maxNumberOfProcessors"] < values["minNumberOfProcessors"]:
+    @model_validator(mode="after")
+    def checkThatMaxNumberOfProcessorsIsGreaterThanMinNumberOfProcessors(self) -> Self:
+        if self.maxNumberOfProcessors:
+            if self.maxNumberOfProcessors < self.minNumberOfProcessors:
                 raise ValueError("maxNumberOfProcessors must be greater than minNumberOfProcessors")
-        return values
-
-    @root_validator(skip_on_failure=True)
-    def addTagsDependingOnNumberOfProcessors(cls, values):
-        if "maxNumberOfProcessors" in values and values["minNumberOfProcessors"] == values["maxNumberOfProcessors"]:
-            if values["tags"] is None:
-                values["tags"] = set()
-            values["tags"].add(f"{values['minNumberOfProcessors']}Processors")
-        if values["minNumberOfProcessors"] > 1:
-            if values["tags"] is None:
-                values["tags"] = set()
-            values["tags"].add("MultiProcessor")
-
-        return values
-
-    @validator("sites")
+        return self
+
+    @model_validator(mode="after")
+    def addTagsDependingOnNumberOfProcessors(self) -> Self:
+        if self.minNumberOfProcessors == self.maxNumberOfProcessors:
+            self.tags.add(f"{self.minNumberOfProcessors}Processors")
+        if self.minNumberOfProcessors > 1:
+            self.tags.add("MultiProcessor")
+        return self
+
+    @field_validator("sites")
     def checkSites(cls, v: set[str]):
         if v:
             res = getSites()
@@ -182,16 +175,16 @@ def checkSites(cls, v: set[str]):
                 raise ValueError(f"Invalid sites: {' '.join(invalidSites)}")
         return v
 
-    @root_validator(skip_on_failure=True)
-    def checkThatSitesAndBannedSitesAreNotMutuallyExclusive(cls, values):
-        if "sites" in values and values["sites"] and "bannedSites" in values and values["bannedSites"]:
-            values["sites"] -= values["bannedSites"]
-            values["bannedSites"] = None
-            if not values["sites"]:
+    @model_validator(mode="after")
+    def checkThatSitesAndBannedSitesAreNotMutuallyExclusive(self) -> Self:
+        if self.sites and self.bannedSites:
+            while self.bannedSites:
+                self.sites.discard(self.bannedSites.pop())
+            if not self.sites:
                 raise ValueError("sites and bannedSites are mutually exclusive")
-        return values
+        return self
 
-    @validator("platform")
+    @field_validator("platform")
     def checkPlatform(cls, v: str):
         if v:
             res = getDIRACPlatforms()
@@ -201,7 +194,7 @@ def checkPlatform(cls, v: str):
                 raise ValueError("Invalid platform")
         return v
 
-    @validator("priority")
+    @field_validator("priority")
     def checkPriorityBounds(cls, v):
         minPriority = Operations().getValue("JobDescription/MinPriority", 0)
         maxPriority = Operations().getValue("JobDescription/MaxPriority", 10)
@@ -217,10 +210,10 @@ class JobDescriptionModel(BaseJobDescriptionModel):
     ownerGroup: str
     vo: str
 
-    @root_validator(skip_on_failure=True)
-    def checkLFNMatchesREGEX(cls, values):
-        if "inputData" in values and values["inputData"]:
-            for lfn in values["inputData"]:
-                if not lfn.startswith(f"LFN:/{values['vo']}/"):
-                    raise ValueError(f"Input data not correctly specified (must start with LFN:/{values['vo']}/)")
-        return values
+    @model_validator(mode="after")
+    def checkLFNMatchesREGEX(self) -> Self:
+        if self.inputData:
+            for lfn in self.inputData:
+                if not lfn.startswith(f"LFN:/{self.vo}/"):
+                    raise ValueError(f"Input data not correctly specified (must start with LFN:/{self.vo}/)")
+        return self

src/DIRAC/WorkloadManagementSystem/Utilities/test/Test_JobModel.py

@@ -231,9 +231,9 @@ def test_sitesValidator_invalid(validSites, selectedSites):
 @pytest.mark.parametrize(
     "sites, bannedSites, parsedSites, parsedBannedSites",
     [
-        ({"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, None, {"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, None),
-        (None, {"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, None, {"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}),
-        ({"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, {"LCG.PIC.es", "LCG.CNAF.it"}, {"LCG.IN2P3.fr"}, None),
+        ({"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, None, {"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, set()),
+        (None, {"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, set(), {"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}),
+        ({"LCG.PIC.es", "LCG.CNAF.it", "LCG.IN2P3.fr"}, {"LCG.PIC.es", "LCG.CNAF.it"}, {"LCG.IN2P3.fr"}, set()),
     ],
 )
 def test_checkThatSitesAndBannedSitesAreNotMutuallyExclusive_valid(

src/DIRAC/__init__.py

@@ -55,12 +55,12 @@
 
 """
 import os
+import importlib.metadata
 import re
 import sys
 import warnings
 from pkgutil import extend_path
 from typing import Any, Optional, Union
-from pkg_resources import get_distribution, DistributionNotFound
 
 
 __path__ = extend_path(__path__, __name__)
@@ -81,9 +81,9 @@
 
 # Define Version
 try:
-    __version__ = get_distribution(__name__).version
+    __version__ = importlib.metadata.version(__name__)
     version = __version__
-except DistributionNotFound:
+except importlib.metadata.PackageNotFoundError:
     # package is not installed
     version = "Unknown"