support pydantic 2

environment.yml

@@ -1,5 +1,4 @@
 channels:
-  - defaults
   - conda-forge
 dependencies:
   - python=3.8
@@ -10,9 +9,16 @@ dependencies:
   - pytest-cov
   - pytest-mock
   - pre-commit
-  - conda-lock>=1.2
+  - conda-lock>=2.2
   - pydantic
   - ruamel.yaml
-  - setuptools-scm
+  - setuptools-scm>=6.2
+  - shellingham
+  - python-dotenv
+  - lockfile
+  - pexpect
   - fsspec
   - python-libarchive-c
+  - pip
+  - pip:
+    - -e .

etc/test-environment.yml

@@ -1,9 +1,8 @@
 name: test-conda-project
 channels:
-  - defaults
   - conda-forge
 dependencies:
-  - conda-lock>=2.1.1
+  - conda-lock>=2.2
   - pexpect
   - lockfile
   - ruamel.yaml

pyproject.toml

@@ -31,7 +31,7 @@ classifiers = [
     "Topic :: Utilities",
 ]
 dependencies = [
-    "conda-lock >=1.2",
+    "conda-lock >=2.2",
     "lockfile",
     "pexpect",
     "ruamel.yaml",

src/conda_project/project.py

@@ -30,7 +30,13 @@
     render_lockfile_for_platform,
 )
 from fsspec.core import split_protocol
-from pydantic import BaseModel, create_model
+
+try:
+    # Version 2 provides a v1 API
+    from pydantic.v1 import BaseModel, create_model
+except ImportError:
+    from pydantic import BaseModel  # type: ignore
+    from pydantic import create_model  # type: ignore
 
 from .conda import (
     CONDA_EXE,

src/conda_project/project_file.py

@@ -9,9 +9,16 @@
 
 from conda_lock._vendor.conda.models.match_spec import MatchSpec
 from pkg_resources import Requirement
-from pydantic import BaseModel, ValidationError, validator
 from ruamel.yaml import YAML
 
+try:
+    # Version 2 provides a v1 API
+    from pydantic.v1 import BaseModel, ValidationError, validator
+except ImportError:
+    from pydantic import BaseModel  # type: ignore
+    from pydantic import ValidationError  # type: ignore
+    from pydantic import validator  # type: ignore
+
 from .exceptions import CondaProjectError
 
 PROJECT_YAML_FILENAMES = ("conda-project.yml", "conda-project.yaml")