making pytz not a requirement

Author: seperman

CHANGELOG.md

@@ -1,5 +1,12 @@
 # DeepDiff Change log
 
+- v8-4-1
+    - Adding BaseOperatorPlus base class for custom operators
+    - default_timezone can be passed now to set your default timezone to something other than UTC.
+    - New summarization algorithm that produces valid json
+    - Better type hint support
+    - Breaking change in DeepHash where we raise Exception instead of logging if we can't hash a value.
+
 - v8-3-0
     - Fixed some static typing issues
     - Added the summarize module for better repr of nested values

README.md

@@ -23,12 +23,13 @@ Tested on Python 3.8+ and PyPy3.
 
 Please check the [ChangeLog](CHANGELOG.md) file for the detailed information.
 
-DeepDiff 8-4-0
+DeepDiff 8-4-1
 
 - Adding BaseOperatorPlus base class for custom operators
 - default_timezone can be passed now to set your default timezone to something other than UTC.
 - New summarization algorithm that produces valid json
 - Better type hint support
+- Breaking change in DeepHash where we raise Exception instead of logging if we can't hash a value.
 
 DeepDiff 8-3-0
 

deepdiff/deephash.py

@@ -1,8 +1,7 @@
 #!/usr/bin/env python
-import pytz
 import logging
 import datetime
-from typing import Union, Optional, Any, List
+from typing import Union, Optional, Any, List, TYPE_CHECKING
 from collections.abc import Iterable, MutableMapping
 from collections import defaultdict
 from hashlib import sha1, sha256
@@ -17,6 +16,10 @@
 
 from deepdiff.base import Base
 
+if TYPE_CHECKING:
+    from pytz.tzinfo import BaseTzInfo
+
+
 try:
     import pandas
 except ImportError:
@@ -143,7 +146,7 @@ def __init__(self,
                  *,
                  apply_hash=True,
                  custom_operators: Optional[List[Any]] =None,
-                 default_timezone:Union[datetime.timezone, datetime.timezone, pytz.tzinfo.BaseTzInfo]=datetime.timezone.utc,
+                 default_timezone:Union[datetime.timezone, "BaseTzInfo"]=datetime.timezone.utc,
                  encodings=None,
                  exclude_obj_callback=None,
                  exclude_paths=None,

deepdiff/diff.py

@@ -5,15 +5,14 @@
 # You might need to run it many times since dictionaries come in different orders
 # every time you run the docstrings.
 # However the docstring expects it in a specific order in order to pass!
-import pytz
 import difflib
 import logging
 import types
 import datetime
 from enum import Enum
 from copy import deepcopy
 from math import isclose as is_close
-from typing import List, Dict, Callable, Union, Any, Pattern, Tuple, Optional, Set, FrozenSet
+from typing import List, Dict, Callable, Union, Any, Pattern, Tuple, Optional, Set, FrozenSet, TYPE_CHECKING
 from collections.abc import Mapping, Iterable, Sequence
 from collections import defaultdict
 from inspect import getmembers
@@ -42,6 +41,10 @@
 from deepdiff.base import Base
 from deepdiff.lfucache import LFUCache, DummyLFU
 
+if TYPE_CHECKING:
+    from pytz.tzinfo import BaseTzInfo
+
+
 logger = logging.getLogger(__name__)
 
 MAX_PASSES_REACHED_MSG = (
@@ -131,7 +134,7 @@ def __init__(self,
                  custom_operators: Optional[List[Any]] =None,
                  cutoff_distance_for_pairs: float=CUTOFF_DISTANCE_FOR_PAIRS_DEFAULT,
                  cutoff_intersection_for_pairs: float=CUTOFF_INTERSECTION_FOR_PAIRS_DEFAULT,
-                 default_timezone:Union[datetime.timezone, datetime.timezone, pytz.tzinfo.BaseTzInfo]=datetime.timezone.utc,
+                 default_timezone:Union[datetime.timezone, "BaseTzInfo"]=datetime.timezone.utc,
                  encodings: Optional[List[str]]=None,
                  exclude_obj_callback: Optional[Callable]=None,
                  exclude_obj_callback_strict: Optional[Callable]=None,

deepdiff/helper.py

@@ -8,14 +8,16 @@
 import string
 import time
 import enum
-import pytz
-from typing import NamedTuple, Any, List, Optional, Dict, Union
+from typing import NamedTuple, Any, List, Optional, Dict, Union, TYPE_CHECKING
 from ast import literal_eval
 from decimal import Decimal, localcontext, InvalidOperation as InvalidDecimalOperation
 from itertools import repeat
 from orderly_set import StableSetEq as SetOrderedBase  # median: 1.0867 s for cache test, 5.63s for all tests
 from threading import Timer
 
+if TYPE_CHECKING:
+    from pytz.tzinfo import BaseTzInfo
+
 
 class np_type:
     pass
@@ -614,7 +616,7 @@ def datetime_normalize(
     truncate_datetime:Union[str, None],
     obj:Union[datetime.datetime, datetime.time],
     default_timezone: Union[
-        datetime.timezone, pytz.tzinfo.BaseTzInfo
+        datetime.timezone, "BaseTzInfo"
     ] = datetime.timezone.utc,
 ) -> Any:
     if truncate_datetime:

docs/changelog.rst

@@ -5,6 +5,13 @@ Changelog
 
 DeepDiff Changelog
 
+- v8-4-1
+    - Adding BaseOperatorPlus base class for custom operators
+    - default_timezone can be passed now to set your default timezone to something other than UTC.
+    - New summarization algorithm that produces valid json
+    - Better type hint support
+    - Breaking change in DeepHash where we raise Exception instead of logging if we can't hash a value.
+
 - v8-3-0
     - Fixed some static typing issues
     - Added the summarize module for better repr of nested values