Update library to support python 3.12 and pandas>=2.0

pandas_schema/schema.py

@@ -64,7 +64,7 @@ def validate(self, df: pd.DataFrame, columns: typing.List[str] = None) -> typing
         # We associate the column objects in the schema with data frame series either by name or by position, depending
         # on the value of self.ordered
         if self.ordered:
-            series = [x[1] for x in df.iteritems()]
+            series = [df.iloc[:, i] for i in range(len(df.columns))]
             column_pairs = zip(series, self.columns)
         else:
             column_pairs = []

pandas_schema/validation.py

@@ -329,7 +329,7 @@ def default_message(self):
         return 'contains trailing whitespace'
 
     def validate(self, series: pd.Series) -> pd.Series:
-        return ~series.astype(str).str.contains('\s+$')
+        return ~series.astype(str).str.contains(r'\s+$')
 
 
 class LeadingWhitespaceValidation(_SeriesValidation):
@@ -345,7 +345,7 @@ def default_message(self):
         return 'contains leading whitespace'
 
     def validate(self, series: pd.Series) -> pd.Series:
-        return ~series.astype(str).str.contains('^\s+')
+        return ~series.astype(str).str.contains(r'^\s+')
 
 
 class IsDistinctValidation(_SeriesValidation):

pandas_schema/version.py

@@ -1 +1 @@
-__version__ = '0.3.6'
+__version__ = '0.3.7'

test/test_validation.py

@@ -345,7 +345,7 @@ def test_invalid_dates(self):
 
 class StringRegexMatch(ValidationTestBase):
     def setUp(self):
-        self.validator = MatchesPatternValidation('^.+\.txt$')
+        self.validator = MatchesPatternValidation(r'^.+\.txt$')
 
     def test_valid_strings(self):
         self.validate_and_compare(
@@ -408,7 +408,7 @@ class CompiledRegexMatch(ValidationTestBase):
     """
 
     def setUp(self):
-        self.validator = MatchesPatternValidation(re.compile('^.+\.txt$', re.IGNORECASE))
+        self.validator = MatchesPatternValidation(re.compile(r'^.+\.txt$', re.IGNORECASE))
 
     def test_valid_strings(self):
         self.validate_and_compare(