bpo-33692: Update pythoninfo from master (GH-7298)

* bpo-33692: pythoninfo detect libedit on Python 3.6 (GH-7293) * bpo-33717: pythoninfo: add CC --version (GH-7290)

Author: vstinner

Lib/test/pythoninfo.py

@@ -275,6 +275,14 @@ def format_attr(attr, value):
  copy_attributes(info_add, readline, 'readline.%s', attributes,
  formatter=format_attr)
 
+ if not hasattr(readline, "_READLINE_LIBRARY_VERSION"):
+ # _READLINE_LIBRARY_VERSION has been added to CPython 3.7
+ doc = getattr(readline, '__doc__', '')
+ if 'libedit readline' in doc:
+ info_add('readline.library', 'libedit readline')
+ elif 'GNU readline' in doc:
+ info_add('readline.library', 'GNU readline')
+
 
 def collect_gdb(info_add):
  import subprocess
@@ -489,6 +497,34 @@ def collect_test_support(info_add):
  call_func(info_add, 'test_support.python_is_optimized', support, 'python_is_optimized')
 
 
+def collect_cc(info_add):
+ import subprocess
+ import sysconfig
+
+ CC = sysconfig.get_config_var('CC')
+ if not CC:
+ return
+
+ try:
+ import shlex
+ args = shlex.split(CC)
+ except ImportError:
+ args = CC.split()
+ args.append('--version')
+ proc = subprocess.Popen(args,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.STDOUT,
+ universal_newlines=True)
+ stdout = proc.communicate()[0]
+ if proc.returncode:
+ # CC --version failed: ignore error
+ return
+
+ text = stdout.splitlines()[0]
+ text = normalize_text(text)
+ info_add('CC.version', text)
+
+
 def collect_info(info):
  error = False
  info_add = info.add
@@ -515,6 +551,7 @@ def collect_info(info):
  collect_decimal,
  collect_testcapi,
  collect_resource,
+ collect_cc,
 
  # Collecting from tests should be last as they have side effects.
  collect_test_socket,