Include module for desktop build

2012-09-09 17:29:09 +02:00
parent 89426d75ab
commit 36f653f65b
88 changed files with 9967 additions and 1 deletions
@@ -0,0 +1,115 @@
+#  Copyright (c) 2001 Autonomous Zone Industries
+#  Copyright (c) 2002-2009 Zooko "Zooko" Wilcox-O'Hearn
+#  This file is part of pyutil; see README.rst for licensing terms.
+
+import exceptions, os
+from repr import Repr
+
+class BetterRepr(Repr):
+    def __init__(self):
+        Repr.__init__(self)
+
+        # Note: These levels can get adjusted dynamically!  My goal is to get more info when printing important debug stuff like exceptions and stack traces and less info when logging normal events.  --Zooko 2000-10-14
+        self.maxlevel = 6
+        self.maxdict = 6
+        self.maxlist = 6
+        self.maxtuple = 6
+        self.maxstring = 300
+        self.maxother = 300
+
+    def repr_function(self, obj, level):
+        if hasattr(obj, 'func_code'):
+            return '<' + obj.func_name + '() at ' + os.path.basename(obj.func_code.co_filename) + ':' + str(obj.func_code.co_firstlineno) + '>'
+        else:
+            return '<' + obj.func_name + '() at (builtin)'
+
+    def repr_instance_method(self, obj, level):
+        if hasattr(obj, 'func_code'):
+            return '<' + obj.im_class.__name__ + '.' + obj.im_func.__name__ + '() at ' + os.path.basename(obj.im_func.func_code.co_filename) + ':' + str(obj.im_func.func_code.co_firstlineno) + '>'
+        else:
+            return '<' + obj.im_class.__name__ + '.' + obj.im_func.__name__ + '() at (builtin)'
+
+    def repr_long(self, obj, level):
+        s = `obj` # XXX Hope this isn't too slow...
+        if len(s) > self.maxlong:
+            i = max(0, (self.maxlong-3)/2)
+            j = max(0, self.maxlong-3-i)
+            s = s[:i] + '...' + s[len(s)-j:]
+        if s[-1] == 'L':
+            return s[:-1]
+        return s
+
+    def repr_instance(self, obj, level):
+        """
+        If it is an instance of Exception, format it nicely (trying to emulate
+        the format that you see when an exception is actually raised, plus
+        bracketing '<''s).  If it is an instance of dict call self.repr_dict()
+        on it.  If it is an instance of list call self.repr_list() on it. Else
+        call Repr.repr_instance().
+        """
+        if isinstance(obj, exceptions.Exception):
+            # Don't cut down exception strings so much.
+            tms = self.maxstring
+            self.maxstring = max(512, tms * 4)
+            tml = self.maxlist
+            self.maxlist = max(12, tml * 4)
+            try:
+                if hasattr(obj, 'args'):
+                    if len(obj.args) == 1:
+                        return '<' + obj.__class__.__name__ + ': ' + self.repr1(obj.args[0], level-1) + '>'
+                    else:
+                        return '<' + obj.__class__.__name__ + ': ' + self.repr1(obj.args, level-1) + '>'
+                else:
+                    return '<' + obj.__class__.__name__ + '>'
+            finally:
+                self.maxstring = tms
+                self.maxlist = tml
+
+        if isinstance(obj, dict):
+            return self.repr_dict(obj, level)
+
+        if isinstance(obj, list):
+            return self.repr_list(obj, level)
+
+        return Repr.repr_instance(self, obj, level)
+
+    def repr_list(self, obj, level):
+        """
+        copied from standard repr.py and fixed to work on multithreadedly mutating lists.
+        """
+        if level <= 0: return '[...]'
+        n = len(obj)
+        myl = obj[:min(n, self.maxlist)]
+        s = ''
+        for item in myl:
+            entry = self.repr1(item, level-1)
+            if s: s = s + ', '
+            s = s + entry
+        if n > self.maxlist: s = s + ', ...'
+        return '[' + s + ']'
+
+    def repr_dict(self, obj, level):
+        """
+        copied from standard repr.py and fixed to work on multithreadedly mutating dicts.
+        """
+        if level <= 0: return '{...}'
+        s = ''
+        n = len(obj)
+        items = obj.items()[:min(n, self.maxdict)]
+        items.sort()
+        for key, val in items:
+            entry = self.repr1(key, level-1) + ':' + self.repr1(val, level-1)
+            if s: s = s + ', '
+            s = s + entry
+        if n > self.maxdict: s = s + ', ...'
+        return '{' + s + '}'
+
+# This object can be changed by other code updating this module's "brepr"
+# variables.  This is so that (a) code can use humanreadable with
+# "from humanreadable import hr; hr(mything)", and (b) code can override
+# humanreadable to provide application-specific human readable output
+# (e.g. libbase32's base32id.AbbrevRepr).
+brepr = BetterRepr()
+
+def hr(x):
+    return brepr.repr(x)