BUG: only show verbose warning for new pandas versions.

Author: tswast

docs/source/changelog.rst

@@ -1,6 +1,12 @@
 Changelog
 =========
 
+0.4.1 / 2018-04-05
+------------------
+
+- Only show ``verbose`` deprecation warning if Pandas version does not
+  populate it. (:issue:`157`)
+
 0.4.0 / 2018-04-03
 ------------------
 

pandas_gbq/gbq.py

@@ -14,10 +14,11 @@
 
 
 BIGQUERY_INSTALLED_VERSION = None
+PANDAS_HAS_DEPRECATED_VERBOSITY = False
 
 
 def _check_google_client_version():
-    global BIGQUERY_INSTALLED_VERSION
+    global BIGQUERY_INSTALLED_VERSION, PANDAS_HAS_VERBOSITY_DEFAULT
 
     try:
         import pkg_resources
@@ -36,6 +37,14 @@ def _check_google_client_version():
             'current version {1}'.format(
                 bigquery_minimum_version, BIGQUERY_INSTALLED_VERSION))
 
+    # Add check for Pandas version before showing deprecation warning.
+    # https://github.com/pydata/pandas-gbq/issues/157
+    pandas_installed_version = pkg_resources.get_distribution(
+        'pandas').parsed_version
+    pandas_version_wo_verbosity = pkg_resources.parse_version('0.23.0')
+    PANDAS_HAS_DEPRECATED_VERBOSITY = (
+        pandas_installed_version > pandas_version_wo_verbosity)
+
 
 def _test_google_api_imports():
 
@@ -791,14 +800,15 @@ def read_gbq(query, project_id=None, index_col=None, col_order=None,
         DataFrame representing results of query
 
     """
-    if verbose is not None:
+
+    _test_google_api_imports()
+
+    if verbose is not None and PANDAS_HAS_DEPRECATED_VERBOSITY:
         warnings.warn(
             "verbose is deprecated and will be removed in "
             "a future version. Set logging level in order to vary "
             "verbosity", FutureWarning, stacklevel=1)
 
-    _test_google_api_imports()
-
     if not project_id:
         raise TypeError("Missing required parameter: project_id")
 
@@ -920,7 +930,7 @@ def to_gbq(dataframe, destination_table, project_id, chunksize=None,
 
     _test_google_api_imports()
 
-    if verbose is not None:
+    if verbose is not None and PANDAS_HAS_DEPRECATED_VERBOSITY:
         warnings.warn(
             "verbose is deprecated and will be removed in "
             "a future version. Set logging level in order to vary "