Add a script to check that __all__ in __init__.py is correct

Author: daviddrysdale

python/allcheck.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+import sys
+import re
+import glob
+
+import phonenumbers
+
+INTERNAL_FILES = ['phonenumbers/util.py',
+                  'phonenumbers/re_util.py',
+                  'phonenumbers/unicode_util.py']
+CLASS_RE = re.compile(r"^class +([A-Za-z][_A-Za-z0-9]+)[ \(:]")
+FUNCTION_RE = re.compile("^def +([A-Za-z][_A-Za-z0-9]+)[ \(]")
+CONSTANT_RE = re.compile("^([A-Z][_A-Z0-9]+) *= *")
+
+grepped_all = set()
+for filename in glob.glob('phonenumbers/*.py'):
+    if filename in INTERNAL_FILES:
+        continue
+    with file(filename, "r") as infile:
+        for line in infile:
+            m = CLASS_RE.match(line)
+            if m:
+                grepped_all.add(m.group(1))
+            m = FUNCTION_RE.match(line)
+            if m:
+                grepped_all.add(m.group(1))
+            m = CONSTANT_RE.match(line)
+            if m:
+                grepped_all.add(m.group(1))
+
+code_all = set(phonenumbers.__all__)
+code_not_grepped = (code_all - grepped_all)
+grepped_not_code = (grepped_all - code_all)
+if len(code_not_grepped) > 0:
+    print >> sys.stderr, "Found the following in __all__ but not in grepped code:"
+    for identifier in code_not_grepped:
+        print >> sys.stderr, "  %s" % identifier
+if len(grepped_not_code) > 0:
+    print >> sys.stderr, "Found the following in grepped code but not in__all__:"
+    for identifier in grepped_not_code:
+        print >> sys.stderr, "  %s" % identifier