More diagnostics

1 files changed, 40 insertions, 0 deletions

diff --git a/ci/show_py.py b/ci/show_py.py
new file mode 100644
index 00000000..4b7466a8
--- /dev/null
+++ b/ci/show_py.py
@@ -0,0 +1,40 @@
+"""Show useful things about a Python installation."""
+
+import sys
+
+
+def main():
+    print("Python version:\n    {0}".format(sys.version.replace("\n", "\n    ")))
+    print("Python prefix: {0}".format(sys.prefix))
+    if hasattr(sys, "real_prefix"):
+        print("This is a virtualenv.  The real prefix is: {0}".format(sys.real_prefix))
+    else:
+        print("This is not a virtualenv.")
+
+    if sys.maxsize == 2**63-1:
+        indicates = "indicating 64-bit"
+    elif sys.maxsize == 2**31-1:
+        indicates = "indicating 32-bit"
+    else:
+        indicates = "not sure what that means"
+    print("sys.maxsize: {0}, {1}".format(sys.maxsize, indicates))
+    if hasattr(sys, "maxint"):
+        print("sys.maxint: {0}".format(sys.maxint))
+    else:
+        print("sys.maxint doesn't exist")
+
+    if sys.version_info < (3, 0):
+        if sys.maxunicode == 1114111:
+            indicates = "indicating a wide Unicode build"
+        elif sys.maxunicode == 65535:
+            indicates = "indicating a narrow Unicode build"
+    else:
+        indicates = "as all Python 3 have"
+    print("sys.maxunicode: {0}, {1}".format(sys.maxunicode, indicates))
+
+    print("sys.getdefaultencoding(): {0}".format(sys.getdefaultencoding()))
+    print("sys.getfilesystemencoding(): {0}".format(sys.getfilesystemencoding()))
+
+
+if __name__ == "__main__":
+    main()