move set_ca_bundle_path to network and add tests

docs/api/datadir.rst

@@ -1,7 +1,7 @@
-.. _data_and_ca_bundle_directory:
+.. _data_directory:
 
-Data Directory & CA Bundle Path
-===============================
+Data Directory
+===============
 
 pyproj.datadir.get_data_dir
 ---------------------------
@@ -25,9 +25,3 @@ pyproj.datadir.get_user_data_dir
 ---------------------------------
 
 .. autofunction:: pyproj.datadir.get_user_data_dir
-
-
-pyproj.set_ca_bundle_path
---------------------------
-
-.. autofunction:: pyproj.set_ca_bundle_path

docs/api/index.rst

@@ -11,6 +11,7 @@ API Documentation
    proj
    list
    datadir
+   network
    sync
    global_context
    enums

docs/api/network.rst

@@ -0,0 +1,10 @@
+.. _network:
+
+PROJ Network Settings
+======================
+
+
+pyproj.network.set_ca_bundle_path
+----------------------------------
+
+.. autofunction:: pyproj.network.set_ca_bundle_path

docs/transformation_grids.rst

@@ -9,7 +9,7 @@ More information about the data available is located under the PROJ
 `resource files <https://proj.org/resource_files.html#transformation-grids>`__
 documentation.
 
-`pyproj` API for managing the :ref:`data_and_ca_bundle_directory`
+`pyproj` API for managing the :ref:`data_directory` and :ref:`network`.
 
 .. warning:: pyproj 2 includes datumgrid 1.8 in the wheels. pyproj 3 will not include any datum grids.
 

pyproj/__init__.py

@@ -46,10 +46,10 @@
 ]
 import warnings
 
+import pyproj.network
 from pyproj._datadir import (  # noqa: F401
     _pyproj_global_context_initialize,
     is_global_context_network_enabled,
-    set_ca_bundle_path,
     set_global_context_network,
     set_use_global_context,
 )
@@ -81,4 +81,4 @@
 except DataDirError as err:
     warnings.warn(str(err))
 
-set_ca_bundle_path()
+pyproj.network.set_ca_bundle_path()

pyproj/_datadir.pyi

@@ -1,9 +1,7 @@
-from pathlib import Path
-from typing import Optional, Union
+from typing import Optional
 
 def _pyproj_global_context_initialize() -> None: ...
 def get_user_data_dir(create: bool = False) -> str: ...
-def set_ca_bundle_path(ca_bundle_path: Union[Path, str, bool, None] = None) -> None: ...
 def _global_context_set_data_dir() -> None: ...
 def set_use_global_context(active: Optional[bool] = None) -> None: ...
 def set_global_context_network(active: Optional[bool] = None) -> None: ...

pyproj/_datadir.pyx

@@ -1,9 +1,7 @@
 import os
 import warnings
 from distutils.util import strtobool
-from pathlib import Path
 
-import certifi
 from libc.stdlib cimport free, malloc
 
 from pyproj.compat import cstrencode, pystrdecode
@@ -113,47 +111,6 @@ def get_user_data_dir(create=False):
     return pystrdecode(proj_context_get_user_writable_directory(NULL, bool(create)))
 
 
-def set_ca_bundle_path(ca_bundle_path=None):
-    """
-    .. versionadded:: 3.0.0
-
-    Sets the path to the CA Bundle used by the `curl`
-    built into PROJ.
-
-    Environment variables that can be used with PROJ 7.2+:
-    - PROJ_CURL_CA_BUNDLE
-    - CURL_CA_BUNDLE
-    - SSL_CERT_FILE
-
-    Parameters
-    ----------
-    ca_bundle_path: Union[Path, str, bool, None], optional
-        Default is None, which only uses the `certifi` package path as a fallback if
-        the environment variables are not set. If a path is passed in, then
-        that will be the path used. If it is set to True, then it will default
-        to using the path provied by the `certifi` package. If it is set to False,
-        then it will not set the path.
-    """
-    if ca_bundle_path is False:
-        return None
-
-    env_var_names = (
-        "PROJ_CURL_CA_BUNDLE",
-        "CURL_CA_BUNDLE",
-        "SSL_CERT_FILE",
-    )
-    if isinstance(ca_bundle_path, (str, Path)):
-        ca_bundle_path = str(ca_bundle_path)
-    elif (
-        (ca_bundle_path is True) or
-        not any(env_var_name in os.environ for env_var_name in env_var_names)
-    ):
-        ca_bundle_path = certifi.where()
-
-    if isinstance(ca_bundle_path, str):
-        proj_context_set_ca_bundle_path(NULL, cstrencode(ca_bundle_path))
-
-
 cdef void pyproj_log_function(void *user_data, int level, const char *error_msg):
     """
     Log function for catching PROJ errors.

pyproj/_network.pyi

@@ -0,0 +1 @@
+def _set_ca_bundle_path(ca_bundle_path: str) -> None: ...

pyproj/_network.pyx

@@ -0,0 +1,16 @@
+include "proj.pxi"
+
+from pyproj.compat import cstrencode
+
+
+def _set_ca_bundle_path(ca_bundle_path):
+    """
+    Sets the path to the CA Bundle used by the `curl`
+    built into PROJ.
+
+    Parameters
+    ----------
+    ca_bundle_path: str
+        The path to the CA Bundle.
+    """
+    proj_context_set_ca_bundle_path(NULL, cstrencode(ca_bundle_path))

pyproj/network.py

@@ -0,0 +1,51 @@
+"""
+Module for managing the PROJ network settings.
+"""
+import os
+from pathlib import Path
+from typing import Union
+
+import certifi
+
+from pyproj._network import _set_ca_bundle_path
+
+
+def set_ca_bundle_path(ca_bundle_path: Union[Path, str, bool, None] = None) -> None:
+    """
+    .. versionadded:: 3.0.0
+
+    Sets the path to the CA Bundle used by the `curl`
+    built into PROJ.
+
+    Environment variables that can be used with PROJ 7.2+:
+
+    - PROJ_CURL_CA_BUNDLE
+    - CURL_CA_BUNDLE
+    - SSL_CERT_FILE
+
+    Parameters
+    ----------
+    ca_bundle_path: Union[Path, str, bool, None], optional
+        Default is None, which only uses the `certifi` package path as a fallback if
+        the environment variables are not set. If a path is passed in, then
+        that will be the path used. If it is set to True, then it will default
+        to using the path provied by the `certifi` package. If it is set to False,
+        then it will not set the path.
+    """
+    if ca_bundle_path is False:
+        return None
+
+    env_var_names = (
+        "PROJ_CURL_CA_BUNDLE",
+        "CURL_CA_BUNDLE",
+        "SSL_CERT_FILE",
+    )
+    if isinstance(ca_bundle_path, (str, Path)):
+        ca_bundle_path = str(ca_bundle_path)
+    elif (ca_bundle_path is True) or not any(
+        env_var_name in os.environ for env_var_name in env_var_names
+    ):
+        ca_bundle_path = certifi.where()
+
+    if isinstance(ca_bundle_path, str):
+        _set_ca_bundle_path(ca_bundle_path)

setup.py

@@ -166,6 +166,7 @@ def get_extension_modules():
             ),
             Extension("pyproj._datadir", ["pyproj/_datadir.pyx"], **ext_options),
             Extension("pyproj._list", ["pyproj/_list.pyx"], **ext_options),
+            Extension("pyproj._network", ["pyproj/_network.pyx"], **ext_options),
             Extension("pyproj._sync", ["pyproj/_sync.pyx"], **ext_options),
         ],
         quiet=True,

test/test_network.py

@@ -0,0 +1,49 @@
+import certifi
+import pytest
+from mock import patch
+
+from pyproj.network import set_ca_bundle_path
+
+
+@patch.dict("os.environ", {}, clear=True)
+@patch("pyproj.network._set_ca_bundle_path")
+def test_ca_bundle_path__default(c_set_ca_bundle_path_mock):
+    set_ca_bundle_path()
+    c_set_ca_bundle_path_mock.assert_called_with(certifi.where())
+
+
+@pytest.mark.parametrize(
+    "env_var", ["PROJ_CURL_CA_BUNDLE", "CURL_CA_BUNDLE", "SSL_CERT_FILE"]
+)
+@patch("pyproj.network._set_ca_bundle_path")
+def test_ca_bundle_path__always_certifi(c_set_ca_bundle_path_mock, env_var):
+    with patch.dict("os.environ", {env_var: "/tmp/dummy/path/cacert.pem"}, clear=True):
+        set_ca_bundle_path(True)
+    c_set_ca_bundle_path_mock.assert_called_with(certifi.where())
+
+
+@patch.dict("os.environ", {}, clear=True)
+@patch("pyproj.network._set_ca_bundle_path")
+def test_ca_bundle_path__skip(c_set_ca_bundle_path_mock):
+    set_ca_bundle_path(False)
+    c_set_ca_bundle_path_mock.assert_not_called()
+
+
+@pytest.mark.parametrize(
+    "env_var", ["PROJ_CURL_CA_BUNDLE", "CURL_CA_BUNDLE", "SSL_CERT_FILE"]
+)
+@patch("pyproj.network._set_ca_bundle_path")
+def test_ca_bundle_path__env_var_skip(c_set_ca_bundle_path_mock, env_var):
+    with patch.dict("os.environ", {env_var: "/tmp/dummy/path/cacert.pem"}, clear=True):
+        set_ca_bundle_path()
+    c_set_ca_bundle_path_mock.assert_not_called()
+
+
+@pytest.mark.parametrize(
+    "env_var", ["PROJ_CURL_CA_BUNDLE", "CURL_CA_BUNDLE", "SSL_CERT_FILE"]
+)
+@patch("pyproj.network._set_ca_bundle_path")
+def test_ca_bundle_path__custom_path(c_set_ca_bundle_path_mock, env_var):
+    with patch.dict("os.environ", {env_var: "/tmp/dummy/path/cacert.pem"}, clear=True):
+        set_ca_bundle_path("/my/path/to/cacert.pem")
+    c_set_ca_bundle_path_mock.assert_called_with("/my/path/to/cacert.pem")