duckdb is py3.8 min, work around windows quirk

Author: Greg Lindahl

.github/workflows/ci.yaml

@@ -19,7 +19,8 @@ jobs:
         os: [ubuntu-latest]
         EXTRA: [false]  # used to force includes to get included
         include:
-          - python-version: '3.7'
+          - python-version: '3.8'
+            # see https://github.com/duckdb/duckdb/blob/main/.github/workflows/Python.yml for duckdb python versions
             os: ubuntu-22.04  # oldest version on github actions
             EXTRA: true
           - python-version: '3.11'
@@ -28,7 +29,7 @@ jobs:
           - python-version: '3.13'
             os: macos-latest
             EXTRA: true
-          - python-version: '3.8'  # duckdb didn't compile for 3.7 and doze 2022 10.0.20348
+          - python-version: '3.8'
             os: windows-latest
             EXTRA: true
           - python-version: '3.13'

duck.py

@@ -2,10 +2,10 @@
 import glob
 import json
 import os.path
-import subprocess
 import sys
 import gzip
 import platform
+import io
 
 import duckdb
 
@@ -84,6 +84,9 @@ def get_files(algo, crawl):
 
 def main(algo, crawl):
     windows = True if platform.system() == 'Windows' else False
+    if windows:
+        # windows stdout is often cp1252
+        sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
     files = get_files(algo, crawl)
     retries_left = 100
 
@@ -110,8 +113,7 @@ def main(algo, crawl):
     retries_left = 100
     while True:
         try:
-            # if you print this in windows, it fails: UnicodeEncodeError: 'charmap' codec can't encode characters in position 0-15: character maps to <undefined>
-            res = duckdb.sql('SELECT COUNT(*) FROM ccindex;')
+            print(duckdb.sql('SELECT COUNT(*) FROM ccindex;'))
             break
         except duckdb.InvalidInputException as e:
             # duckdb.duckdb.InvalidInputException: Invalid Input Error: No magic bytes found at end of file 'https://...'
@@ -122,7 +124,6 @@ def main(algo, crawl):
                 retries_left -= 1
             else:
                 raise
-    print(res)  # windows workaround
 
     sq2 = f'''
     select