Initial revision

Lib/macpath.py

@@ -0,0 +1,70 @@
+# module 'macpath'
+
+import mac
+
+import string
+
+from stat import *
+
+def isabs(s):
+	return ':' in s and s[0] <> ':'
+
+def cat(s, t):
+	if (not s) or isabs(t): return t
+	if t[:1] = ':': t = t[1:]
+	if ':' not in s:
+		s = ':' + s
+	if s[-1:] <> ':':
+		s = s + ':'
+	return s + t
+
+norm_error = 'path cannot be normalized'
+
+def norm(s):
+	if ':' not in s:
+		return ':' + s
+	f = string.splitfields(s, ':')
+	pre = []
+	post = []
+	if not f[0]:
+		pre = f[:1]
+		f = f[1:]
+	if not f[len(f)-1]:
+		post = f[-1:]
+		f = f[:-1]
+	res = []
+	for seg in f:
+		if seg:
+			res.append(seg)
+		else:
+			if not res: raise norm_error # starts with '::'
+			del res[len(res)-1]
+			if not (pre or res):
+				raise norm_error # starts with 'vol::'
+	if pre: res = pre + res
+	if post: res = res + post
+	s = res[0]
+	for seg in res[1:]:
+		s = s + ':' + seg
+	return s
+
+def isdir(s):
+	try:
+		st = mac.stat(s)
+	except mac.error:
+		return 0
+	return S_ISDIR(st[ST_MODE])
+
+def isfile(s):
+	try:
+		st = mac.stat(s)
+	except mac.error:
+		return 0
+	return S_ISREG(st[ST_MODE])
+
+def exists(s):
+	try:
+		st = mac.stat(s)
+	except mac.error:
+		return 0
+	return 1