Removed support for qiskitrc file (#1121)

* Removed support for qiskitrc file

* lint

---------

Co-authored-by: Kevin Tian <kevin.tian@ibm.com>

qiskit_ibm_runtime/accounts/management.py

@@ -13,20 +13,17 @@
 """Account management related classes and functions."""
 
 import os
-import ast
 from typing import Optional, Dict
 
 from qiskit_ibm_provider.proxies import ProxyConfiguration
 
-from qiskit_ibm_runtime.utils.deprecation import issue_deprecation_msg
 from .exceptions import AccountNotFoundError
 from .account import Account, ChannelType
-from .storage import save_config, read_config, delete_config, read_qiskitrc
+from .storage import save_config, read_config, delete_config
 
 _DEFAULT_ACCOUNT_CONFIG_JSON_FILE = os.path.join(
     os.path.expanduser("~"), ".qiskit", "qiskit-ibm.json"
 )
-_QISKITRC_CONFIG_FILE = os.path.join(os.path.expanduser("~"), ".qiskit", "qiskitrc")
 _DEFAULT_ACCOUNT_NAME = "default"
 _DEFAULT_ACCOUNT_NAME_IBM_QUANTUM = "default-ibm-quantum"
 _DEFAULT_ACCOUNT_NAME_IBM_CLOUD = "default-ibm-cloud"
@@ -196,15 +193,6 @@ def get(
             if account_name in all_config:
                 return Account.from_saved_format(all_config[account_name])
 
-        if os.path.isfile(_QISKITRC_CONFIG_FILE):
-            issue_deprecation_msg(
-                msg="Use of the ~/.qiskit/qiskitrc.json file is deprecated.",
-                version="0.15.0",
-                remedy="Please use the ~/.qiskit/qiskit-ibm.json file instead.",
-                period="1 month",
-            )
-            return cls._from_qiskitrc_file()
-
         raise AccountNotFoundError("Unable to find account.")
 
     @classmethod
@@ -272,30 +260,3 @@ def _get_default_account_name(cls, channel: ChannelType) -> str:
             if channel == "ibm_quantum"
             else _DEFAULT_ACCOUNT_NAME_IBM_CLOUD
         )
-
-    @classmethod
-    def _from_qiskitrc_file(cls) -> Optional[Account]:
-        """Read account from qiskitrc file."""
-        qiskitrc_data = read_qiskitrc(_QISKITRC_CONFIG_FILE)
-        proxies = (
-            ProxyConfiguration(ast.literal_eval(qiskitrc_data["proxies"]))
-            if "proxies" in qiskitrc_data
-            else None
-        )
-        save_config(
-            filename=_DEFAULT_ACCOUNT_CONFIG_JSON_FILE,
-            name=_DEFAULT_ACCOUNT_NAME_IBM_QUANTUM,
-            overwrite=False,
-            config=Account.create_account(
-                token=qiskitrc_data.get("token", None),
-                url=qiskitrc_data.get("url", None),
-                instance=qiskitrc_data.get("default_provider", None),
-                verify=bool(qiskitrc_data.get("verify", None)),
-                proxies=proxies,
-                channel="ibm_quantum",
-            )
-            .validate()
-            .to_saved_format(),
-        )
-        default_config = read_config(filename=_DEFAULT_ACCOUNT_CONFIG_JSON_FILE)
-        return Account.from_saved_format(default_config[_DEFAULT_ACCOUNT_NAME_IBM_QUANTUM])

qiskit_ibm_runtime/accounts/storage.py

@@ -16,7 +16,6 @@
 import logging
 import os
 from typing import Optional, Dict
-from configparser import ConfigParser
 from .exceptions import AccountAlreadyExistsError
 
 logger = logging.getLogger(__name__)
@@ -58,16 +57,6 @@ def save_config(
         json.dump(data, json_out, sort_keys=True, indent=4)
 
 
-def read_qiskitrc(qiskitrc_config_file: str) -> Dict[str, str]:
-    """Read credentials from a qiskitrc config and return as a dictionary."""
-    config_parser = ConfigParser()
-    config_parser.read(qiskitrc_config_file)
-    account_data = {}
-    for name in config_parser.sections():
-        account_data = dict(config_parser.items(name))
-    return account_data
-
-
 def read_config(
     filename: str,
     name: Optional[str] = None,

test/account.py

@@ -121,29 +121,6 @@ def __exit__(self, *exc):
         management._DEFAULT_ACCOUNT_CONFIG_JSON_FILE = self.account_config_json_backup
 
 
-class custom_qiskitrc(ContextDecorator):
-    """Context manager that uses a temporary qiskitrc."""
-
-    # pylint: disable=invalid-name
-
-    def __init__(self, contents=b""):
-        # Create a temporary file with the contents.
-        self.tmp_file = NamedTemporaryFile()
-        self.tmp_file.write(contents)
-        self.tmp_file.flush()
-        self.default_qiskitrc_file_original = management._QISKITRC_CONFIG_FILE
-
-    def __enter__(self):
-        # Temporarily modify the default location of the qiskitrc file.
-        management._QISKITRC_CONFIG_FILE = self.tmp_file.name
-        return self
-
-    def __exit__(self, *exc):
-        # Delete the temporary file and restore the default location.
-        self.tmp_file.close()
-        management._QISKITRC_CONFIG_FILE = self.default_qiskitrc_file_original
-
-
 def get_account_config_contents(
     name=None,
     channel="ibm_cloud",
@@ -154,7 +131,7 @@ def get_account_config_contents(
     proxies=None,
     set_default=None,
 ):
-    """Generate qiskitrc content"""
+    """Generate account config file content"""
     if instance is None:
         instance = "some_instance" if channel == "ibm_cloud" else "hub/group/project"
     token = token or uuid.uuid4().hex

test/unit/test_account.py

@@ -18,7 +18,6 @@
 import uuid
 from typing import Any
 from unittest import skipIf
-import warnings
 
 from qiskit_ibm_provider.proxies import ProxyConfiguration
 from qiskit_ibm_runtime.accounts import (
@@ -38,7 +37,6 @@
 from ..account import (
     get_account_config_contents,
     temporary_account_config_file,
-    custom_qiskitrc,
     no_envs,
     custom_envs,
 )
@@ -845,27 +843,6 @@ def test_enable_account_by_name_input_instance(self):
         self.assertTrue(service._account)
         self.assertEqual(service._account.instance, instance)
 
-    @no_envs(["QISKIT_IBM_TOKEN"])
-    def test_enable_account_by_qiskitrc(self):
-        """Test initializing account by a qiskitrc file."""
-        token = "token-x"
-        proxies = {"urls": {"https": "localhost:8080"}}
-        str_contents = f"""
-        [ibmq]
-        token = {token}
-        url = https://auth.quantum-computing.ibm.com/api
-        verify = True
-        default_provider = ibm-q/open/main
-        proxies = {proxies}
-        """
-        with custom_qiskitrc(contents=str.encode(str_contents)):
-            with temporary_account_config_file(contents={}):
-                with warnings.catch_warnings(record=True) as warn:
-                    service = FakeRuntimeService()
-        self.assertIn("Use of the ~/.qiskit/qiskitrc.json file is deprecated", str(warn[0].message))
-        self.assertTrue(service._account)
-        self.assertEqual(service._account.token, token)
-
     def test_enable_account_by_channel_input_instance(self):
         """Test initializing account by channel and input instance."""
         instance = uuid.uuid4().hex