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Diffstat (limited to 'eggs/py-1.4.0-py2.6.egg/py/_code')
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/__init__.py | 1 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/__init__.pyo | bin | 231 -> 0 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.py | 345 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.pyo | bin | 14716 -> 0 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.py | 555 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.pyo | bin | 22340 -> 0 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/assertion.py | 94 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/assertion.pyo | bin | 3236 -> 0 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/code.py | 722 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/code.pyo | bin | 32358 -> 0 bytes | |||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/source.py | 346 | ||||
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_code/source.pyo | bin | 12620 -> 0 bytes |
12 files changed, 0 insertions, 2063 deletions
diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/__init__.py b/eggs/py-1.4.0-py2.6.egg/py/_code/__init__.py deleted file mode 100644 index f15acf8..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/__init__.py +++ /dev/null @@ -1 +0,0 @@ -""" python inspection/code generation API """ diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/__init__.pyo b/eggs/py-1.4.0-py2.6.egg/py/_code/__init__.pyo Binary files differdeleted file mode 100644 index 60dcb69..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/__init__.pyo +++ /dev/null diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.py b/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.py deleted file mode 100644 index 6a930d5..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.py +++ /dev/null @@ -1,345 +0,0 @@ -""" -Find intermediate evalutation results in assert statements through builtin AST. -This should replace _assertionold.py eventually. -""" - -import sys -import ast - -import py -from py._code.assertion import _format_explanation, BuiltinAssertionError - - -if sys.platform.startswith("java") and sys.version_info < (2, 5, 2): - # See http://bugs.jython.org/issue1497 - _exprs = ("BoolOp", "BinOp", "UnaryOp", "Lambda", "IfExp", "Dict", - "ListComp", "GeneratorExp", "Yield", "Compare", "Call", - "Repr", "Num", "Str", "Attribute", "Subscript", "Name", - "List", "Tuple") - _stmts = ("FunctionDef", "ClassDef", "Return", "Delete", "Assign", - "AugAssign", "Print", "For", "While", "If", "With", "Raise", - "TryExcept", "TryFinally", "Assert", "Import", "ImportFrom", - "Exec", "Global", "Expr", "Pass", "Break", "Continue") - _expr_nodes = set(getattr(ast, name) for name in _exprs) - _stmt_nodes = set(getattr(ast, name) for name in _stmts) - def _is_ast_expr(node): - return node.__class__ in _expr_nodes - def _is_ast_stmt(node): - return node.__class__ in _stmt_nodes -else: - def _is_ast_expr(node): - return isinstance(node, ast.expr) - def _is_ast_stmt(node): - return isinstance(node, ast.stmt) - - -class Failure(Exception): - """Error found while interpreting AST.""" - - def __init__(self, explanation=""): - self.cause = sys.exc_info() - self.explanation = explanation - - -def interpret(source, frame, should_fail=False): - mod = ast.parse(source) - visitor = DebugInterpreter(frame) - try: - visitor.visit(mod) - except Failure: - failure = sys.exc_info()[1] - return getfailure(failure) - if should_fail: - return ("(assertion failed, but when it was re-run for " - "printing intermediate values, it did not fail. Suggestions: " - "compute assert expression before the assert or use --no-assert)") - -def run(offending_line, frame=None): - if frame is None: - frame = py.code.Frame(sys._getframe(1)) - return interpret(offending_line, frame) - -def getfailure(failure): - explanation = _format_explanation(failure.explanation) - value = failure.cause[1] - if str(value): - lines = explanation.splitlines() - if not lines: - lines.append("") - lines[0] += " << %s" % (value,) - explanation = "\n".join(lines) - text = "%s: %s" % (failure.cause[0].__name__, explanation) - if text.startswith("AssertionError: assert "): - text = text[16:] - return text - - -operator_map = { - ast.BitOr : "|", - ast.BitXor : "^", - ast.BitAnd : "&", - ast.LShift : "<<", - ast.RShift : ">>", - ast.Add : "+", - ast.Sub : "-", - ast.Mult : "*", - ast.Div : "/", - ast.FloorDiv : "//", - ast.Mod : "%", - ast.Eq : "==", - ast.NotEq : "!=", - ast.Lt : "<", - ast.LtE : "<=", - ast.Gt : ">", - ast.GtE : ">=", - ast.Pow : "**", - ast.Is : "is", - ast.IsNot : "is not", - ast.In : "in", - ast.NotIn : "not in" -} - -unary_map = { - ast.Not : "not %s", - ast.Invert : "~%s", - ast.USub : "-%s", - ast.UAdd : "+%s" -} - - -class DebugInterpreter(ast.NodeVisitor): - """Interpret AST nodes to gleam useful debugging information. """ - - def __init__(self, frame): - self.frame = frame - - def generic_visit(self, node): - # Fallback when we don't have a special implementation. - if _is_ast_expr(node): - mod = ast.Expression(node) - co = self._compile(mod) - try: - result = self.frame.eval(co) - except Exception: - raise Failure() - explanation = self.frame.repr(result) - return explanation, result - elif _is_ast_stmt(node): - mod = ast.Module([node]) - co = self._compile(mod, "exec") - try: - self.frame.exec_(co) - except Exception: - raise Failure() - return None, None - else: - raise AssertionError("can't handle %s" %(node,)) - - def _compile(self, source, mode="eval"): - return compile(source, "<assertion interpretation>", mode) - - def visit_Expr(self, expr): - return self.visit(expr.value) - - def visit_Module(self, mod): - for stmt in mod.body: - self.visit(stmt) - - def visit_Name(self, name): - explanation, result = self.generic_visit(name) - # See if the name is local. - source = "%r in locals() is not globals()" % (name.id,) - co = self._compile(source) - try: - local = self.frame.eval(co) - except Exception: - # have to assume it isn't - local = False - if not local: - return name.id, result - return explanation, result - - def visit_Compare(self, comp): - left = comp.left - left_explanation, left_result = self.visit(left) - for op, next_op in zip(comp.ops, comp.comparators): - next_explanation, next_result = self.visit(next_op) - op_symbol = operator_map[op.__class__] - explanation = "%s %s %s" % (left_explanation, op_symbol, - next_explanation) - source = "__exprinfo_left %s __exprinfo_right" % (op_symbol,) - co = self._compile(source) - try: - result = self.frame.eval(co, __exprinfo_left=left_result, - __exprinfo_right=next_result) - except Exception: - raise Failure(explanation) - if not result: - break - left_explanation, left_result = next_explanation, next_result - - rcomp = py.code._reprcompare - if rcomp: - res = rcomp(op_symbol, left_result, next_result) - if res: - explanation = res - return explanation, result - - def visit_BoolOp(self, boolop): - is_or = isinstance(boolop.op, ast.Or) - explanations = [] - for operand in boolop.values: - explanation, result = self.visit(operand) - explanations.append(explanation) - if result == is_or: - break - name = is_or and " or " or " and " - explanation = "(" + name.join(explanations) + ")" - return explanation, result - - def visit_UnaryOp(self, unary): - pattern = unary_map[unary.op.__class__] - operand_explanation, operand_result = self.visit(unary.operand) - explanation = pattern % (operand_explanation,) - co = self._compile(pattern % ("__exprinfo_expr",)) - try: - result = self.frame.eval(co, __exprinfo_expr=operand_result) - except Exception: - raise Failure(explanation) - return explanation, result - - def visit_BinOp(self, binop): - left_explanation, left_result = self.visit(binop.left) - right_explanation, right_result = self.visit(binop.right) - symbol = operator_map[binop.op.__class__] - explanation = "(%s %s %s)" % (left_explanation, symbol, - right_explanation) - source = "__exprinfo_left %s __exprinfo_right" % (symbol,) - co = self._compile(source) - try: - result = self.frame.eval(co, __exprinfo_left=left_result, - __exprinfo_right=right_result) - except Exception: - raise Failure(explanation) - return explanation, result - - def visit_Call(self, call): - func_explanation, func = self.visit(call.func) - arg_explanations = [] - ns = {"__exprinfo_func" : func} - arguments = [] - for arg in call.args: - arg_explanation, arg_result = self.visit(arg) - arg_name = "__exprinfo_%s" % (len(ns),) - ns[arg_name] = arg_result - arguments.append(arg_name) - arg_explanations.append(arg_explanation) - for keyword in call.keywords: - arg_explanation, arg_result = self.visit(keyword.value) - arg_name = "__exprinfo_%s" % (len(ns),) - ns[arg_name] = arg_result - keyword_source = "%s=%%s" % (keyword.arg) - arguments.append(keyword_source % (arg_name,)) - arg_explanations.append(keyword_source % (arg_explanation,)) - if call.starargs: - arg_explanation, arg_result = self.visit(call.starargs) - arg_name = "__exprinfo_star" - ns[arg_name] = arg_result - arguments.append("*%s" % (arg_name,)) - arg_explanations.append("*%s" % (arg_explanation,)) - if call.kwargs: - arg_explanation, arg_result = self.visit(call.kwargs) - arg_name = "__exprinfo_kwds" - ns[arg_name] = arg_result - arguments.append("**%s" % (arg_name,)) - arg_explanations.append("**%s" % (arg_explanation,)) - args_explained = ", ".join(arg_explanations) - explanation = "%s(%s)" % (func_explanation, args_explained) - args = ", ".join(arguments) - source = "__exprinfo_func(%s)" % (args,) - co = self._compile(source) - try: - result = self.frame.eval(co, **ns) - except Exception: - raise Failure(explanation) - # Only show result explanation if it's not a builtin call or returns a - # bool. - if not isinstance(call.func, ast.Name) or \ - not self._is_builtin_name(call.func): - source = "isinstance(__exprinfo_value, bool)" - co = self._compile(source) - try: - is_bool = self.frame.eval(co, __exprinfo_value=result) - except Exception: - is_bool = False - if not is_bool: - pattern = "%s\n{%s = %s\n}" - rep = self.frame.repr(result) - explanation = pattern % (rep, rep, explanation) - return explanation, result - - def _is_builtin_name(self, name): - pattern = "%r not in globals() and %r not in locals()" - source = pattern % (name.id, name.id) - co = self._compile(source) - try: - return self.frame.eval(co) - except Exception: - return False - - def visit_Attribute(self, attr): - if not isinstance(attr.ctx, ast.Load): - return self.generic_visit(attr) - source_explanation, source_result = self.visit(attr.value) - explanation = "%s.%s" % (source_explanation, attr.attr) - source = "__exprinfo_expr.%s" % (attr.attr,) - co = self._compile(source) - try: - result = self.frame.eval(co, __exprinfo_expr=source_result) - except Exception: - raise Failure(explanation) - explanation = "%s\n{%s = %s.%s\n}" % (self.frame.repr(result), - self.frame.repr(result), - source_explanation, attr.attr) - # Check if the attr is from an instance. - source = "%r in getattr(__exprinfo_expr, '__dict__', {})" - source = source % (attr.attr,) - co = self._compile(source) - try: - from_instance = self.frame.eval(co, __exprinfo_expr=source_result) - except Exception: - from_instance = True - if from_instance: - rep = self.frame.repr(result) - pattern = "%s\n{%s = %s\n}" - explanation = pattern % (rep, rep, explanation) - return explanation, result - - def visit_Assert(self, assrt): - test_explanation, test_result = self.visit(assrt.test) - if test_explanation.startswith("False\n{False =") and \ - test_explanation.endswith("\n"): - test_explanation = test_explanation[15:-2] - explanation = "assert %s" % (test_explanation,) - if not test_result: - try: - raise BuiltinAssertionError - except Exception: - raise Failure(explanation) - return explanation, test_result - - def visit_Assign(self, assign): - value_explanation, value_result = self.visit(assign.value) - explanation = "... = %s" % (value_explanation,) - name = ast.Name("__exprinfo_expr", ast.Load(), - lineno=assign.value.lineno, - col_offset=assign.value.col_offset) - new_assign = ast.Assign(assign.targets, name, lineno=assign.lineno, - col_offset=assign.col_offset) - mod = ast.Module([new_assign]) - co = self._compile(mod, "exec") - try: - self.frame.exec_(co, __exprinfo_expr=value_result) - except Exception: - raise Failure(explanation) - return explanation, value_result diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.pyo b/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.pyo Binary files differdeleted file mode 100644 index 34ab194..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionnew.pyo +++ /dev/null diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.py b/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.py deleted file mode 100644 index 4e81fb3..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.py +++ /dev/null @@ -1,555 +0,0 @@ -import py -import sys, inspect -from compiler import parse, ast, pycodegen -from py._code.assertion import BuiltinAssertionError, _format_explanation - -passthroughex = py.builtin._sysex - -class Failure: - def __init__(self, node): - self.exc, self.value, self.tb = sys.exc_info() - self.node = node - -class View(object): - """View base class. - - If C is a subclass of View, then C(x) creates a proxy object around - the object x. The actual class of the proxy is not C in general, - but a *subclass* of C determined by the rules below. To avoid confusion - we call view class the class of the proxy (a subclass of C, so of View) - and object class the class of x. - - Attributes and methods not found in the proxy are automatically read on x. - Other operations like setting attributes are performed on the proxy, as - determined by its view class. The object x is available from the proxy - as its __obj__ attribute. - - The view class selection is determined by the __view__ tuples and the - optional __viewkey__ method. By default, the selected view class is the - most specific subclass of C whose __view__ mentions the class of x. - If no such subclass is found, the search proceeds with the parent - object classes. For example, C(True) will first look for a subclass - of C with __view__ = (..., bool, ...) and only if it doesn't find any - look for one with __view__ = (..., int, ...), and then ..., object,... - If everything fails the class C itself is considered to be the default. - - Alternatively, the view class selection can be driven by another aspect - of the object x, instead of the class of x, by overriding __viewkey__. - See last example at the end of this module. - """ - - _viewcache = {} - __view__ = () - - def __new__(rootclass, obj, *args, **kwds): - self = object.__new__(rootclass) - self.__obj__ = obj - self.__rootclass__ = rootclass - key = self.__viewkey__() - try: - self.__class__ = self._viewcache[key] - except KeyError: - self.__class__ = self._selectsubclass(key) - return self - - def __getattr__(self, attr): - # attributes not found in the normal hierarchy rooted on View - # are looked up in the object's real class - return getattr(self.__obj__, attr) - - def __viewkey__(self): - return self.__obj__.__class__ - - def __matchkey__(self, key, subclasses): - if inspect.isclass(key): - keys = inspect.getmro(key) - else: - keys = [key] - for key in keys: - result = [C for C in subclasses if key in C.__view__] - if result: - return result - return [] - - def _selectsubclass(self, key): - subclasses = list(enumsubclasses(self.__rootclass__)) - for C in subclasses: - if not isinstance(C.__view__, tuple): - C.__view__ = (C.__view__,) - choices = self.__matchkey__(key, subclasses) - if not choices: - return self.__rootclass__ - elif len(choices) == 1: - return choices[0] - else: - # combine the multiple choices - return type('?', tuple(choices), {}) - - def __repr__(self): - return '%s(%r)' % (self.__rootclass__.__name__, self.__obj__) - - -def enumsubclasses(cls): - for subcls in cls.__subclasses__(): - for subsubclass in enumsubclasses(subcls): - yield subsubclass - yield cls - - -class Interpretable(View): - """A parse tree node with a few extra methods.""" - explanation = None - - def is_builtin(self, frame): - return False - - def eval(self, frame): - # fall-back for unknown expression nodes - try: - expr = ast.Expression(self.__obj__) - expr.filename = '<eval>' - self.__obj__.filename = '<eval>' - co = pycodegen.ExpressionCodeGenerator(expr).getCode() - result = frame.eval(co) - except passthroughex: - raise - except: - raise Failure(self) - self.result = result - self.explanation = self.explanation or frame.repr(self.result) - - def run(self, frame): - # fall-back for unknown statement nodes - try: - expr = ast.Module(None, ast.Stmt([self.__obj__])) - expr.filename = '<run>' - co = pycodegen.ModuleCodeGenerator(expr).getCode() - frame.exec_(co) - except passthroughex: - raise - except: - raise Failure(self) - - def nice_explanation(self): - return _format_explanation(self.explanation) - - -class Name(Interpretable): - __view__ = ast.Name - - def is_local(self, frame): - source = '%r in locals() is not globals()' % self.name - try: - return frame.is_true(frame.eval(source)) - except passthroughex: - raise - except: - return False - - def is_global(self, frame): - source = '%r in globals()' % self.name - try: - return frame.is_true(frame.eval(source)) - except passthroughex: - raise - except: - return False - - def is_builtin(self, frame): - source = '%r not in locals() and %r not in globals()' % ( - self.name, self.name) - try: - return frame.is_true(frame.eval(source)) - except passthroughex: - raise - except: - return False - - def eval(self, frame): - super(Name, self).eval(frame) - if not self.is_local(frame): - self.explanation = self.name - -class Compare(Interpretable): - __view__ = ast.Compare - - def eval(self, frame): - expr = Interpretable(self.expr) - expr.eval(frame) - for operation, expr2 in self.ops: - if hasattr(self, 'result'): - # shortcutting in chained expressions - if not frame.is_true(self.result): - break - expr2 = Interpretable(expr2) - expr2.eval(frame) - self.explanation = "%s %s %s" % ( - expr.explanation, operation, expr2.explanation) - source = "__exprinfo_left %s __exprinfo_right" % operation - try: - self.result = frame.eval(source, - __exprinfo_left=expr.result, - __exprinfo_right=expr2.result) - except passthroughex: - raise - except: - raise Failure(self) - expr = expr2 - -class And(Interpretable): - __view__ = ast.And - - def eval(self, frame): - explanations = [] - for expr in self.nodes: - expr = Interpretable(expr) - expr.eval(frame) - explanations.append(expr.explanation) - self.result = expr.result - if not frame.is_true(expr.result): - break - self.explanation = '(' + ' and '.join(explanations) + ')' - -class Or(Interpretable): - __view__ = ast.Or - - def eval(self, frame): - explanations = [] - for expr in self.nodes: - expr = Interpretable(expr) - expr.eval(frame) - explanations.append(expr.explanation) - self.result = expr.result - if frame.is_true(expr.result): - break - self.explanation = '(' + ' or '.join(explanations) + ')' - - -# == Unary operations == -keepalive = [] -for astclass, astpattern in { - ast.Not : 'not __exprinfo_expr', - ast.Invert : '(~__exprinfo_expr)', - }.items(): - - class UnaryArith(Interpretable): - __view__ = astclass - - def eval(self, frame, astpattern=astpattern): - expr = Interpretable(self.expr) - expr.eval(frame) - self.explanation = astpattern.replace('__exprinfo_expr', - expr.explanation) - try: - self.result = frame.eval(astpattern, - __exprinfo_expr=expr.result) - except passthroughex: - raise - except: - raise Failure(self) - - keepalive.append(UnaryArith) - -# == Binary operations == -for astclass, astpattern in { - ast.Add : '(__exprinfo_left + __exprinfo_right)', - ast.Sub : '(__exprinfo_left - __exprinfo_right)', - ast.Mul : '(__exprinfo_left * __exprinfo_right)', - ast.Div : '(__exprinfo_left / __exprinfo_right)', - ast.Mod : '(__exprinfo_left % __exprinfo_right)', - ast.Power : '(__exprinfo_left ** __exprinfo_right)', - }.items(): - - class BinaryArith(Interpretable): - __view__ = astclass - - def eval(self, frame, astpattern=astpattern): - left = Interpretable(self.left) - left.eval(frame) - right = Interpretable(self.right) - right.eval(frame) - self.explanation = (astpattern - .replace('__exprinfo_left', left .explanation) - .replace('__exprinfo_right', right.explanation)) - try: - self.result = frame.eval(astpattern, - __exprinfo_left=left.result, - __exprinfo_right=right.result) - except passthroughex: - raise - except: - raise Failure(self) - - keepalive.append(BinaryArith) - - -class CallFunc(Interpretable): - __view__ = ast.CallFunc - - def is_bool(self, frame): - source = 'isinstance(__exprinfo_value, bool)' - try: - return frame.is_true(frame.eval(source, - __exprinfo_value=self.result)) - except passthroughex: - raise - except: - return False - - def eval(self, frame): - node = Interpretable(self.node) - node.eval(frame) - explanations = [] - vars = {'__exprinfo_fn': node.result} - source = '__exprinfo_fn(' - for a in self.args: - if isinstance(a, ast.Keyword): - keyword = a.name - a = a.expr - else: - keyword = None - a = Interpretable(a) - a.eval(frame) - argname = '__exprinfo_%d' % len(vars) - vars[argname] = a.result - if keyword is None: - source += argname + ',' - explanations.append(a.explanation) - else: - source += '%s=%s,' % (keyword, argname) - explanations.append('%s=%s' % (keyword, a.explanation)) - if self.star_args: - star_args = Interpretable(self.star_args) - star_args.eval(frame) - argname = '__exprinfo_star' - vars[argname] = star_args.result - source += '*' + argname + ',' - explanations.append('*' + star_args.explanation) - if self.dstar_args: - dstar_args = Interpretable(self.dstar_args) - dstar_args.eval(frame) - argname = '__exprinfo_kwds' - vars[argname] = dstar_args.result - source += '**' + argname + ',' - explanations.append('**' + dstar_args.explanation) - self.explanation = "%s(%s)" % ( - node.explanation, ', '.join(explanations)) - if source.endswith(','): - source = source[:-1] - source += ')' - try: - self.result = frame.eval(source, **vars) - except passthroughex: - raise - except: - raise Failure(self) - if not node.is_builtin(frame) or not self.is_bool(frame): - r = frame.repr(self.result) - self.explanation = '%s\n{%s = %s\n}' % (r, r, self.explanation) - -class Getattr(Interpretable): - __view__ = ast.Getattr - - def eval(self, frame): - expr = Interpretable(self.expr) - expr.eval(frame) - source = '__exprinfo_expr.%s' % self.attrname - try: - self.result = frame.eval(source, __exprinfo_expr=expr.result) - except passthroughex: - raise - except: - raise Failure(self) - self.explanation = '%s.%s' % (expr.explanation, self.attrname) - # if the attribute comes from the instance, its value is interesting - source = ('hasattr(__exprinfo_expr, "__dict__") and ' - '%r in __exprinfo_expr.__dict__' % self.attrname) - try: - from_instance = frame.is_true( - frame.eval(source, __exprinfo_expr=expr.result)) - except passthroughex: - raise - except: - from_instance = True - if from_instance: - r = frame.repr(self.result) - self.explanation = '%s\n{%s = %s\n}' % (r, r, self.explanation) - -# == Re-interpretation of full statements == - -class Assert(Interpretable): - __view__ = ast.Assert - - def run(self, frame): - test = Interpretable(self.test) - test.eval(frame) - # simplify 'assert False where False = ...' - if (test.explanation.startswith('False\n{False = ') and - test.explanation.endswith('\n}')): - test.explanation = test.explanation[15:-2] - # print the result as 'assert <explanation>' - self.result = test.result - self.explanation = 'assert ' + test.explanation - if not frame.is_true(test.result): - try: - raise BuiltinAssertionError - except passthroughex: - raise - except: - raise Failure(self) - -class Assign(Interpretable): - __view__ = ast.Assign - - def run(self, frame): - expr = Interpretable(self.expr) - expr.eval(frame) - self.result = expr.result - self.explanation = '... = ' + expr.explanation - # fall-back-run the rest of the assignment - ass = ast.Assign(self.nodes, ast.Name('__exprinfo_expr')) - mod = ast.Module(None, ast.Stmt([ass])) - mod.filename = '<run>' - co = pycodegen.ModuleCodeGenerator(mod).getCode() - try: - frame.exec_(co, __exprinfo_expr=expr.result) - except passthroughex: - raise - except: - raise Failure(self) - -class Discard(Interpretable): - __view__ = ast.Discard - - def run(self, frame): - expr = Interpretable(self.expr) - expr.eval(frame) - self.result = expr.result - self.explanation = expr.explanation - -class Stmt(Interpretable): - __view__ = ast.Stmt - - def run(self, frame): - for stmt in self.nodes: - stmt = Interpretable(stmt) - stmt.run(frame) - - -def report_failure(e): - explanation = e.node.nice_explanation() - if explanation: - explanation = ", in: " + explanation - else: - explanation = "" - sys.stdout.write("%s: %s%s\n" % (e.exc.__name__, e.value, explanation)) - -def check(s, frame=None): - if frame is None: - frame = sys._getframe(1) - frame = py.code.Frame(frame) - expr = parse(s, 'eval') - assert isinstance(expr, ast.Expression) - node = Interpretable(expr.node) - try: - node.eval(frame) - except passthroughex: - raise - except Failure: - e = sys.exc_info()[1] - report_failure(e) - else: - if not frame.is_true(node.result): - sys.stderr.write("assertion failed: %s\n" % node.nice_explanation()) - - -########################################################### -# API / Entry points -# ######################################################### - -def interpret(source, frame, should_fail=False): - module = Interpretable(parse(source, 'exec').node) - #print "got module", module - if isinstance(frame, py.std.types.FrameType): - frame = py.code.Frame(frame) - try: - module.run(frame) - except Failure: - e = sys.exc_info()[1] - return getfailure(e) - except passthroughex: - raise - except: - import traceback - traceback.print_exc() - if should_fail: - return ("(assertion failed, but when it was re-run for " - "printing intermediate values, it did not fail. Suggestions: " - "compute assert expression before the assert or use --nomagic)") - else: - return None - -def getmsg(excinfo): - if isinstance(excinfo, tuple): - excinfo = py.code.ExceptionInfo(excinfo) - #frame, line = gettbline(tb) - #frame = py.code.Frame(frame) - #return interpret(line, frame) - - tb = excinfo.traceback[-1] - source = str(tb.statement).strip() - x = interpret(source, tb.frame, should_fail=True) - if not isinstance(x, str): - raise TypeError("interpret returned non-string %r" % (x,)) - return x - -def getfailure(e): - explanation = e.node.nice_explanation() - if str(e.value): - lines = explanation.split('\n') - lines[0] += " << %s" % (e.value,) - explanation = '\n'.join(lines) - text = "%s: %s" % (e.exc.__name__, explanation) - if text.startswith('AssertionError: assert '): - text = text[16:] - return text - -def run(s, frame=None): - if frame is None: - frame = sys._getframe(1) - frame = py.code.Frame(frame) - module = Interpretable(parse(s, 'exec').node) - try: - module.run(frame) - except Failure: - e = sys.exc_info()[1] - report_failure(e) - - -if __name__ == '__main__': - # example: - def f(): - return 5 - def g(): - return 3 - def h(x): - return 'never' - check("f() * g() == 5") - check("not f()") - check("not (f() and g() or 0)") - check("f() == g()") - i = 4 - check("i == f()") - check("len(f()) == 0") - check("isinstance(2+3+4, float)") - - run("x = i") - check("x == 5") - - run("assert not f(), 'oops'") - run("a, b, c = 1, 2") - run("a, b, c = f()") - - check("max([f(),g()]) == 4") - check("'hello'[g()] == 'h'") - run("'guk%d' % h(f())") diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.pyo b/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.pyo Binary files differdeleted file mode 100644 index a72a272..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/_assertionold.pyo +++ /dev/null diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/assertion.py b/eggs/py-1.4.0-py2.6.egg/py/_code/assertion.py deleted file mode 100644 index 4ce80c7..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/assertion.py +++ /dev/null @@ -1,94 +0,0 @@ -import sys -import py - -BuiltinAssertionError = py.builtin.builtins.AssertionError - -_reprcompare = None # if set, will be called by assert reinterp for comparison ops - -def _format_explanation(explanation): - """This formats an explanation - - Normally all embedded newlines are escaped, however there are - three exceptions: \n{, \n} and \n~. The first two are intended - cover nested explanations, see function and attribute explanations - for examples (.visit_Call(), visit_Attribute()). The last one is - for when one explanation needs to span multiple lines, e.g. when - displaying diffs. - """ - raw_lines = (explanation or '').split('\n') - # escape newlines not followed by {, } and ~ - lines = [raw_lines[0]] - for l in raw_lines[1:]: - if l.startswith('{') or l.startswith('}') or l.startswith('~'): - lines.append(l) - else: - lines[-1] += '\\n' + l - - result = lines[:1] - stack = [0] - stackcnt = [0] - for line in lines[1:]: - if line.startswith('{'): - if stackcnt[-1]: - s = 'and ' - else: - s = 'where ' - stack.append(len(result)) - stackcnt[-1] += 1 - stackcnt.append(0) - result.append(' +' + ' '*(len(stack)-1) + s + line[1:]) - elif line.startswith('}'): - assert line.startswith('}') - stack.pop() - stackcnt.pop() - result[stack[-1]] += line[1:] - else: - assert line.startswith('~') - result.append(' '*len(stack) + line[1:]) - assert len(stack) == 1 - return '\n'.join(result) - - -class AssertionError(BuiltinAssertionError): - def __init__(self, *args): - BuiltinAssertionError.__init__(self, *args) - if args: - try: - self.msg = str(args[0]) - except py.builtin._sysex: - raise - except: - self.msg = "<[broken __repr__] %s at %0xd>" %( - args[0].__class__, id(args[0])) - else: - f = py.code.Frame(sys._getframe(1)) - try: - source = f.code.fullsource - if source is not None: - try: - source = source.getstatement(f.lineno, assertion=True) - except IndexError: - source = None - else: - source = str(source.deindent()).strip() - except py.error.ENOENT: - source = None - # this can also occur during reinterpretation, when the - # co_filename is set to "<run>". - if source: - self.msg = reinterpret(source, f, should_fail=True) - else: - self.msg = "<could not determine information>" - if not self.args: - self.args = (self.msg,) - -if sys.version_info > (3, 0): - AssertionError.__module__ = "builtins" - reinterpret_old = "old reinterpretation not available for py3" -else: - from py._code._assertionold import interpret as reinterpret_old -if sys.version_info >= (2, 6) or (sys.platform.startswith("java")): - from py._code._assertionnew import interpret as reinterpret -else: - reinterpret = reinterpret_old - diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/assertion.pyo b/eggs/py-1.4.0-py2.6.egg/py/_code/assertion.pyo Binary files differdeleted file mode 100644 index a04e0bb..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/assertion.pyo +++ /dev/null diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/code.py b/eggs/py-1.4.0-py2.6.egg/py/_code/code.py deleted file mode 100644 index 9fbf207..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/code.py +++ /dev/null @@ -1,722 +0,0 @@ -import py -import sys, os.path - -builtin_repr = repr - -reprlib = py.builtin._tryimport('repr', 'reprlib') - -class Code(object): - """ wrapper around Python code objects """ - def __init__(self, rawcode): - rawcode = py.code.getrawcode(rawcode) - self.raw = rawcode - try: - self.filename = rawcode.co_filename - self.firstlineno = rawcode.co_firstlineno - 1 - self.name = rawcode.co_name - except AttributeError: - raise TypeError("not a code object: %r" %(rawcode,)) - - def __eq__(self, other): - return self.raw == other.raw - - def __ne__(self, other): - return not self == other - - def path(self): - """ return a path object pointing to source code""" - p = py.path.local(self.raw.co_filename) - if not p.check(): - # XXX maybe try harder like the weird logic - # in the standard lib [linecache.updatecache] does? - p = self.raw.co_filename - return p - - path = property(path, None, None, "path of this code object") - - def fullsource(self): - """ return a py.code.Source object for the full source file of the code - """ - from py._code import source - full, _ = source.findsource(self.raw) - return full - fullsource = property(fullsource, None, None, - "full source containing this code object") - - def source(self): - """ return a py.code.Source object for the code object's source only - """ - # return source only for that part of code - return py.code.Source(self.raw) - - def getargs(self): - """ return a tuple with the argument names for the code object - """ - # handfull shortcut for getting args - raw = self.raw - return raw.co_varnames[:raw.co_argcount] - -class Frame(object): - """Wrapper around a Python frame holding f_locals and f_globals - in which expressions can be evaluated.""" - - def __init__(self, frame): - self.code = py.code.Code(frame.f_code) - self.lineno = frame.f_lineno - 1 - self.f_globals = frame.f_globals - self.f_locals = frame.f_locals - self.raw = frame - - def statement(self): - if self.code.fullsource is None: - return py.code.Source("") - return self.code.fullsource.getstatement(self.lineno) - statement = property(statement, None, None, - "statement this frame is at") - - def eval(self, code, **vars): - """ evaluate 'code' in the frame - - 'vars' are optional additional local variables - - returns the result of the evaluation - """ - f_locals = self.f_locals.copy() - f_locals.update(vars) - return eval(code, self.f_globals, f_locals) - - def exec_(self, code, **vars): - """ exec 'code' in the frame - - 'vars' are optiona; additional local variables - """ - f_locals = self.f_locals.copy() - f_locals.update(vars) - py.builtin.exec_(code, self.f_globals, f_locals ) - - def repr(self, object): - """ return a 'safe' (non-recursive, one-line) string repr for 'object' - """ - return py.io.saferepr(object) - - def is_true(self, object): - return object - - def getargs(self): - """ return a list of tuples (name, value) for all arguments - """ - retval = [] - for arg in self.code.getargs(): - try: - retval.append((arg, self.f_locals[arg])) - except KeyError: - pass # this can occur when using Psyco - return retval - -class TracebackEntry(object): - """ a single entry in a traceback """ - - exprinfo = None - - def __init__(self, rawentry): - self._rawentry = rawentry - self.frame = py.code.Frame(rawentry.tb_frame) - # Ugh. 2.4 and 2.5 differs here when encountering - # multi-line statements. Not sure about the solution, but - # should be portable - self.lineno = rawentry.tb_lineno - 1 - self.relline = self.lineno - self.frame.code.firstlineno - - def __repr__(self): - return "<TracebackEntry %s:%d>" %(self.frame.code.path, self.lineno+1) - - def statement(self): - """ return a py.code.Source object for the current statement """ - source = self.frame.code.fullsource - return source.getstatement(self.lineno) - statement = property(statement, None, None, - "statement of this traceback entry.") - - def path(self): - return self.frame.code.path - path = property(path, None, None, "path to the full source code") - - def getlocals(self): - return self.frame.f_locals - locals = property(getlocals, None, None, "locals of underlaying frame") - - def reinterpret(self): - """Reinterpret the failing statement and returns a detailed information - about what operations are performed.""" - if self.exprinfo is None: - source = str(self.statement).strip() - x = py.code._reinterpret(source, self.frame, should_fail=True) - if not isinstance(x, str): - raise TypeError("interpret returned non-string %r" % (x,)) - self.exprinfo = x - return self.exprinfo - - def getfirstlinesource(self): - # on Jython this firstlineno can be -1 apparently - return max(self.frame.code.firstlineno, 0) - - def getsource(self): - """ return failing source code. """ - source = self.frame.code.fullsource - if source is None: - return None - start = self.getfirstlinesource() - end = self.lineno - try: - _, end = source.getstatementrange(end) - except IndexError: - end = self.lineno + 1 - # heuristic to stop displaying source on e.g. - # if something: # assume this causes a NameError - # # _this_ lines and the one - # below we don't want from entry.getsource() - for i in range(self.lineno, end): - if source[i].rstrip().endswith(':'): - end = i + 1 - break - return source[start:end] - source = property(getsource) - - def ishidden(self): - """ return True if the current frame has a var __tracebackhide__ - resolving to True - - mostly for internal use - """ - try: - return self.frame.eval("__tracebackhide__") - except py.builtin._sysex: - raise - except: - return False - - def __str__(self): - try: - fn = str(self.path) - except py.error.Error: - fn = '???' - name = self.frame.code.name - try: - line = str(self.statement).lstrip() - except KeyboardInterrupt: - raise - except: - line = "???" - return " File %r:%d in %s\n %s\n" %(fn, self.lineno+1, name, line) - - def name(self): - return self.frame.code.raw.co_name - name = property(name, None, None, "co_name of underlaying code") - -class Traceback(list): - """ Traceback objects encapsulate and offer higher level - access to Traceback entries. - """ - Entry = TracebackEntry - def __init__(self, tb): - """ initialize from given python traceback object. """ - if hasattr(tb, 'tb_next'): - def f(cur): - while cur is not None: - yield self.Entry(cur) - cur = cur.tb_next - list.__init__(self, f(tb)) - else: - list.__init__(self, tb) - - def cut(self, path=None, lineno=None, firstlineno=None, excludepath=None): - """ return a Traceback instance wrapping part of this Traceback - - by provding any combination of path, lineno and firstlineno, the - first frame to start the to-be-returned traceback is determined - - this allows cutting the first part of a Traceback instance e.g. - for formatting reasons (removing some uninteresting bits that deal - with handling of the exception/traceback) - """ - for x in self: - code = x.frame.code - codepath = code.path - if ((path is None or codepath == path) and - (excludepath is None or not hasattr(codepath, 'relto') or - not codepath.relto(excludepath)) and - (lineno is None or x.lineno == lineno) and - (firstlineno is None or x.frame.code.firstlineno == firstlineno)): - return Traceback(x._rawentry) - return self - - def __getitem__(self, key): - val = super(Traceback, self).__getitem__(key) - if isinstance(key, type(slice(0))): - val = self.__class__(val) - return val - - def filter(self, fn=lambda x: not x.ishidden()): - """ return a Traceback instance with certain items removed - - fn is a function that gets a single argument, a TracebackItem - instance, and should return True when the item should be added - to the Traceback, False when not - - by default this removes all the TracebackItems which are hidden - (see ishidden() above) - """ - return Traceback(filter(fn, self)) - - def getcrashentry(self): - """ return last non-hidden traceback entry that lead - to the exception of a traceback. - """ - tb = self.filter() - if not tb: - tb = self - return tb[-1] - - def recursionindex(self): - """ return the index of the frame/TracebackItem where recursion - originates if appropriate, None if no recursion occurred - """ - cache = {} - for i, entry in enumerate(self): - key = entry.frame.code.path, entry.lineno - #print "checking for recursion at", key - l = cache.setdefault(key, []) - if l: - f = entry.frame - loc = f.f_locals - for otherloc in l: - if f.is_true(f.eval(co_equal, - __recursioncache_locals_1=loc, - __recursioncache_locals_2=otherloc)): - return i - l.append(entry.frame.f_locals) - return None - -co_equal = compile('__recursioncache_locals_1 == __recursioncache_locals_2', - '?', 'eval') - -class ExceptionInfo(object): - """ wraps sys.exc_info() objects and offers - help for navigating the traceback. - """ - _striptext = '' - def __init__(self, tup=None, exprinfo=None): - # NB. all attributes are private! Subclasses or other - # ExceptionInfo-like classes may have different attributes. - if tup is None: - tup = sys.exc_info() - if exprinfo is None and isinstance(tup[1], py.code._AssertionError): - exprinfo = getattr(tup[1], 'msg', None) - if exprinfo is None: - exprinfo = str(tup[1]) - if exprinfo and exprinfo.startswith('assert '): - self._striptext = 'AssertionError: ' - self._excinfo = tup - self.type, self.value, tb = self._excinfo - self.typename = self.type.__name__ - self.traceback = py.code.Traceback(tb) - - def __repr__(self): - return "<ExceptionInfo %s tblen=%d>" % (self.typename, len(self.traceback)) - - def exconly(self, tryshort=False): - """ return the exception as a string - - when 'tryshort' resolves to True, and the exception is a - py.code._AssertionError, only the actual exception part of - the exception representation is returned (so 'AssertionError: ' is - removed from the beginning) - """ - lines = py.std.traceback.format_exception_only(self.type, self.value) - text = ''.join(lines) - text = text.rstrip() - if tryshort: - if text.startswith(self._striptext): - text = text[len(self._striptext):] - return text - - def errisinstance(self, exc): - """ return True if the exception is an instance of exc """ - return isinstance(self.value, exc) - - def _getreprcrash(self): - exconly = self.exconly(tryshort=True) - entry = self.traceback.getcrashentry() - path, lineno = entry.path, entry.lineno - reprcrash = ReprFileLocation(path, lineno+1, exconly) - return reprcrash - - def getrepr(self, showlocals=False, style="long", - abspath=False, tbfilter=True, funcargs=False): - """ return str()able representation of this exception info. - showlocals: show locals per traceback entry - style: long|short|no|native traceback style - tbfilter: hide entries (where __tracebackhide__ is true) - """ - if style == 'native': - import traceback - return ''.join(traceback.format_exception( - self.type, - self.value, - self.traceback[0]._rawentry, - )) - - fmt = FormattedExcinfo(showlocals=showlocals, style=style, - abspath=abspath, tbfilter=tbfilter, funcargs=funcargs) - return fmt.repr_excinfo(self) - - def __str__(self): - entry = self.traceback[-1] - loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly()) - return str(loc) - - def __unicode__(self): - entry = self.traceback[-1] - loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly()) - return unicode(loc) - - -class FormattedExcinfo(object): - """ presenting information about failing Functions and Generators. """ - # for traceback entries - flow_marker = ">" - fail_marker = "E" - - def __init__(self, showlocals=False, style="long", abspath=True, tbfilter=True, funcargs=False): - self.showlocals = showlocals - self.style = style - self.tbfilter = tbfilter - self.funcargs = funcargs - self.abspath = abspath - - def _getindent(self, source): - # figure out indent for given source - try: - s = str(source.getstatement(len(source)-1)) - except KeyboardInterrupt: - raise - except: - try: - s = str(source[-1]) - except KeyboardInterrupt: - raise - except: - return 0 - return 4 + (len(s) - len(s.lstrip())) - - def _getentrysource(self, entry): - source = entry.getsource() - if source is not None: - source = source.deindent() - return source - - def _saferepr(self, obj): - return py.io.saferepr(obj) - - def repr_args(self, entry): - if self.funcargs: - args = [] - for argname, argvalue in entry.frame.getargs(): - args.append((argname, self._saferepr(argvalue))) - return ReprFuncArgs(args) - - def get_source(self, source, line_index=-1, excinfo=None, short=False): - """ return formatted and marked up source lines. """ - lines = [] - if source is None: - source = py.code.Source("???") - line_index = 0 - if line_index < 0: - line_index += len(source) - for i in range(len(source)): - if i == line_index: - prefix = self.flow_marker + " " - else: - if short: - continue - prefix = " " - line = prefix + source[i] - lines.append(line) - if excinfo is not None: - indent = self._getindent(source) - lines.extend(self.get_exconly(excinfo, indent=indent, markall=True)) - return lines - - def get_exconly(self, excinfo, indent=4, markall=False): - lines = [] - indent = " " * indent - # get the real exception information out - exlines = excinfo.exconly(tryshort=True).split('\n') - failindent = self.fail_marker + indent[1:] - for line in exlines: - lines.append(failindent + line) - if not markall: - failindent = indent - return lines - - def repr_locals(self, locals): - if self.showlocals: - lines = [] - keys = list(locals) - keys.sort() - for name in keys: - value = locals[name] - if name == '__builtins__': - lines.append("__builtins__ = <builtins>") - else: - # This formatting could all be handled by the - # _repr() function, which is only reprlib.Repr in - # disguise, so is very configurable. - str_repr = self._saferepr(value) - #if len(str_repr) < 70 or not isinstance(value, - # (list, tuple, dict)): - lines.append("%-10s = %s" %(name, str_repr)) - #else: - # self._line("%-10s =\\" % (name,)) - # # XXX - # py.std.pprint.pprint(value, stream=self.excinfowriter) - return ReprLocals(lines) - - def repr_traceback_entry(self, entry, excinfo=None): - # excinfo is not None if this is the last tb entry - source = self._getentrysource(entry) - if source is None: - source = py.code.Source("???") - line_index = 0 - else: - # entry.getfirstlinesource() can be -1, should be 0 on jython - line_index = entry.lineno - max(entry.getfirstlinesource(), 0) - - lines = [] - if self.style in ("short", "long"): - short = self.style == "short" - reprargs = None - if not short: - reprargs = self.repr_args(entry) - s = self.get_source(source, line_index, excinfo, short=short) - lines.extend(s) - if short: - message = "in %s" %(entry.name) - else: - message = excinfo and excinfo.typename or "" - path = self._makepath(entry.path) - filelocrepr = ReprFileLocation(path, entry.lineno+1, message) - localsrepr = None - if not short: - localsrepr = self.repr_locals(entry.locals) - return ReprEntry(lines, reprargs, localsrepr, filelocrepr, short) - if excinfo: - lines.extend(self.get_exconly(excinfo, indent=4)) - return ReprEntry(lines, None, None, None, False) - - def _makepath(self, path): - if not self.abspath: - np = py.path.local().bestrelpath(path) - if len(np) < len(str(path)): - path = np - return path - - def repr_traceback(self, excinfo): - traceback = excinfo.traceback - if self.tbfilter: - traceback = traceback.filter() - recursionindex = None - if excinfo.errisinstance(RuntimeError): - recursionindex = traceback.recursionindex() - last = traceback[-1] - entries = [] - extraline = None - for index, entry in enumerate(traceback): - einfo = (last == entry) and excinfo or None - reprentry = self.repr_traceback_entry(entry, einfo) - entries.append(reprentry) - if index == recursionindex: - extraline = "!!! Recursion detected (same locals & position)" - break - return ReprTraceback(entries, extraline, style=self.style) - - def repr_excinfo(self, excinfo): - reprtraceback = self.repr_traceback(excinfo) - reprcrash = excinfo._getreprcrash() - return ReprExceptionInfo(reprtraceback, reprcrash) - -class TerminalRepr: - def __str__(self): - s = self.__unicode__() - if sys.version_info[0] < 3: - s = s.encode('utf-8') - return s - - def __unicode__(self): - l = [] - tw = py.io.TerminalWriter(l.append) - self.toterminal(tw) - l = map(unicode_or_repr, l) - return "".join(l).strip() - - def __repr__(self): - return "<%s instance at %0x>" %(self.__class__, id(self)) - -def unicode_or_repr(obj): - try: - return py.builtin._totext(obj) - except KeyboardInterrupt: - raise - except Exception: - return "<print-error: %r>" % py.io.saferepr(obj) - -class ReprExceptionInfo(TerminalRepr): - def __init__(self, reprtraceback, reprcrash): - self.reprtraceback = reprtraceback - self.reprcrash = reprcrash - self.sections = [] - - def addsection(self, name, content, sep="-"): - self.sections.append((name, content, sep)) - - def toterminal(self, tw): - self.reprtraceback.toterminal(tw) - for name, content, sep in self.sections: - tw.sep(sep, name) - tw.line(content) - -class ReprTraceback(TerminalRepr): - entrysep = "_ " - - def __init__(self, reprentries, extraline, style): - self.reprentries = reprentries - self.extraline = extraline - self.style = style - - def toterminal(self, tw): - sepok = False - for entry in self.reprentries: - if self.style == "long": - if sepok: - tw.sep(self.entrysep) - tw.line("") - sepok = True - entry.toterminal(tw) - if self.extraline: - tw.line(self.extraline) - -class ReprEntry(TerminalRepr): - localssep = "_ " - - def __init__(self, lines, reprfuncargs, reprlocals, filelocrepr, short): - self.lines = lines - self.reprfuncargs = reprfuncargs - self.reprlocals = reprlocals - self.reprfileloc = filelocrepr - self.short = short - - def toterminal(self, tw): - if self.short: - self.reprfileloc.toterminal(tw) - for line in self.lines: - red = line.startswith("E ") - tw.line(line, bold=True, red=red) - #tw.line("") - return - if self.reprfuncargs: - self.reprfuncargs.toterminal(tw) - for line in self.lines: - red = line.startswith("E ") - tw.line(line, bold=True, red=red) - if self.reprlocals: - #tw.sep(self.localssep, "Locals") - tw.line("") - self.reprlocals.toterminal(tw) - if self.reprfileloc: - tw.line("") - self.reprfileloc.toterminal(tw) - - def __str__(self): - return "%s\n%s\n%s" % ("\n".join(self.lines), - self.reprlocals, - self.reprfileloc) - -class ReprFileLocation(TerminalRepr): - def __init__(self, path, lineno, message): - self.path = str(path) - self.lineno = lineno - self.message = message - - def toterminal(self, tw): - # filename and lineno output for each entry, - # using an output format that most editors unterstand - msg = self.message - i = msg.find("\n") - if i != -1: - msg = msg[:i] - tw.line("%s:%s: %s" %(self.path, self.lineno, msg)) - -class ReprLocals(TerminalRepr): - def __init__(self, lines): - self.lines = lines - - def toterminal(self, tw): - for line in self.lines: - tw.line(line) - -class ReprFuncArgs(TerminalRepr): - def __init__(self, args): - self.args = args - - def toterminal(self, tw): - if self.args: - linesofar = "" - for name, value in self.args: - ns = "%s = %s" %(name, value) - if len(ns) + len(linesofar) + 2 > tw.fullwidth: - if linesofar: - tw.line(linesofar) - linesofar = ns - else: - if linesofar: - linesofar += ", " + ns - else: - linesofar = ns - if linesofar: - tw.line(linesofar) - tw.line("") - - - -oldbuiltins = {} - -def patch_builtins(assertion=True, compile=True): - """ put compile and AssertionError builtins to Python's builtins. """ - if assertion: - from py._code import assertion - l = oldbuiltins.setdefault('AssertionError', []) - l.append(py.builtin.builtins.AssertionError) - py.builtin.builtins.AssertionError = assertion.AssertionError - if compile: - l = oldbuiltins.setdefault('compile', []) - l.append(py.builtin.builtins.compile) - py.builtin.builtins.compile = py.code.compile - -def unpatch_builtins(assertion=True, compile=True): - """ remove compile and AssertionError builtins from Python builtins. """ - if assertion: - py.builtin.builtins.AssertionError = oldbuiltins['AssertionError'].pop() - if compile: - py.builtin.builtins.compile = oldbuiltins['compile'].pop() - -def getrawcode(obj): - """ return code object for given function. """ - try: - return obj.__code__ - except AttributeError: - obj = getattr(obj, 'im_func', obj) - obj = getattr(obj, 'func_code', obj) - obj = getattr(obj, 'f_code', obj) - obj = getattr(obj, '__code__', obj) - return obj - diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/code.pyo b/eggs/py-1.4.0-py2.6.egg/py/_code/code.pyo Binary files differdeleted file mode 100644 index 703d391..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/code.pyo +++ /dev/null diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/source.py b/eggs/py-1.4.0-py2.6.egg/py/_code/source.py deleted file mode 100644 index 0dee419..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/source.py +++ /dev/null @@ -1,346 +0,0 @@ -from __future__ import generators -import sys -import inspect, tokenize -import py -from types import ModuleType -cpy_compile = compile - -try: - import _ast - from _ast import PyCF_ONLY_AST as _AST_FLAG -except ImportError: - _AST_FLAG = 0 - _ast = None - - -class Source(object): - """ a immutable object holding a source code fragment, - possibly deindenting it. - """ - _compilecounter = 0 - def __init__(self, *parts, **kwargs): - self.lines = lines = [] - de = kwargs.get('deindent', True) - rstrip = kwargs.get('rstrip', True) - for part in parts: - if not part: - partlines = [] - if isinstance(part, Source): - partlines = part.lines - elif isinstance(part, (tuple, list)): - partlines = [x.rstrip("\n") for x in part] - elif isinstance(part, py.builtin._basestring): - partlines = part.split('\n') - if rstrip: - while partlines: - if partlines[-1].strip(): - break - partlines.pop() - else: - partlines = getsource(part, deindent=de).lines - if de: - partlines = deindent(partlines) - lines.extend(partlines) - - def __eq__(self, other): - try: - return self.lines == other.lines - except AttributeError: - if isinstance(other, str): - return str(self) == other - return False - - def __getitem__(self, key): - if isinstance(key, int): - return self.lines[key] - else: - if key.step not in (None, 1): - raise IndexError("cannot slice a Source with a step") - return self.__getslice__(key.start, key.stop) - - def __len__(self): - return len(self.lines) - - def __getslice__(self, start, end): - newsource = Source() - newsource.lines = self.lines[start:end] - return newsource - - def strip(self): - """ return new source object with trailing - and leading blank lines removed. - """ - start, end = 0, len(self) - while start < end and not self.lines[start].strip(): - start += 1 - while end > start and not self.lines[end-1].strip(): - end -= 1 - source = Source() - source.lines[:] = self.lines[start:end] - return source - - def putaround(self, before='', after='', indent=' ' * 4): - """ return a copy of the source object with - 'before' and 'after' wrapped around it. - """ - before = Source(before) - after = Source(after) - newsource = Source() - lines = [ (indent + line) for line in self.lines] - newsource.lines = before.lines + lines + after.lines - return newsource - - def indent(self, indent=' ' * 4): - """ return a copy of the source object with - all lines indented by the given indent-string. - """ - newsource = Source() - newsource.lines = [(indent+line) for line in self.lines] - return newsource - - def getstatement(self, lineno, assertion=False): - """ return Source statement which contains the - given linenumber (counted from 0). - """ - start, end = self.getstatementrange(lineno, assertion) - return self[start:end] - - def getstatementrange(self, lineno, assertion=False): - """ return (start, end) tuple which spans the minimal - statement region which containing the given lineno. - """ - # XXX there must be a better than these heuristic ways ... - # XXX there may even be better heuristics :-) - if not (0 <= lineno < len(self)): - raise IndexError("lineno out of range") - - # 1. find the start of the statement - from codeop import compile_command - for start in range(lineno, -1, -1): - if assertion: - line = self.lines[start] - # the following lines are not fully tested, change with care - if 'super' in line and 'self' in line and '__init__' in line: - raise IndexError("likely a subclass") - if "assert" not in line and "raise" not in line: - continue - trylines = self.lines[start:lineno+1] - # quick hack to indent the source and get it as a string in one go - trylines.insert(0, 'def xxx():') - trysource = '\n '.join(trylines) - # ^ space here - try: - compile_command(trysource) - except (SyntaxError, OverflowError, ValueError): - continue - - # 2. find the end of the statement - for end in range(lineno+1, len(self)+1): - trysource = self[start:end] - if trysource.isparseable(): - return start, end - return start, end - - def getblockend(self, lineno): - # XXX - lines = [x + '\n' for x in self.lines[lineno:]] - blocklines = inspect.getblock(lines) - #print blocklines - return lineno + len(blocklines) - 1 - - def deindent(self, offset=None): - """ return a new source object deindented by offset. - If offset is None then guess an indentation offset from - the first non-blank line. Subsequent lines which have a - lower indentation offset will be copied verbatim as - they are assumed to be part of multilines. - """ - # XXX maybe use the tokenizer to properly handle multiline - # strings etc.pp? - newsource = Source() - newsource.lines[:] = deindent(self.lines, offset) - return newsource - - def isparseable(self, deindent=True): - """ return True if source is parseable, heuristically - deindenting it by default. - """ - try: - import parser - except ImportError: - syntax_checker = lambda x: compile(x, 'asd', 'exec') - else: - syntax_checker = parser.suite - - if deindent: - source = str(self.deindent()) - else: - source = str(self) - try: - #compile(source+'\n', "x", "exec") - syntax_checker(source+'\n') - except KeyboardInterrupt: - raise - except Exception: - return False - else: - return True - - def __str__(self): - return "\n".join(self.lines) - - def compile(self, filename=None, mode='exec', - flag=generators.compiler_flag, - dont_inherit=0, _genframe=None): - """ return compiled code object. if filename is None - invent an artificial filename which displays - the source/line position of the caller frame. - """ - if not filename or py.path.local(filename).check(file=0): - if _genframe is None: - _genframe = sys._getframe(1) # the caller - fn,lineno = _genframe.f_code.co_filename, _genframe.f_lineno - base = "<%d-codegen " % self._compilecounter - self.__class__._compilecounter += 1 - if not filename: - filename = base + '%s:%d>' % (fn, lineno) - else: - filename = base + '%r %s:%d>' % (filename, fn, lineno) - source = "\n".join(self.lines) + '\n' - try: - co = cpy_compile(source, filename, mode, flag) - except SyntaxError: - ex = sys.exc_info()[1] - # re-represent syntax errors from parsing python strings - msglines = self.lines[:ex.lineno] - if ex.offset: - msglines.append(" "*ex.offset + '^') - msglines.append("syntax error probably generated here: %s" % filename) - newex = SyntaxError('\n'.join(msglines)) - newex.offset = ex.offset - newex.lineno = ex.lineno - newex.text = ex.text - raise newex - else: - if flag & _AST_FLAG: - return co - lines = [(x + "\n") for x in self.lines] - if sys.version_info[0] >= 3: - # XXX py3's inspect.getsourcefile() checks for a module - # and a pep302 __loader__ ... we don't have a module - # at code compile-time so we need to fake it here - m = ModuleType("_pycodecompile_pseudo_module") - py.std.inspect.modulesbyfile[filename] = None - py.std.sys.modules[None] = m - m.__loader__ = 1 - py.std.linecache.cache[filename] = (1, None, lines, filename) - return co - -# -# public API shortcut functions -# - -def compile_(source, filename=None, mode='exec', flags= - generators.compiler_flag, dont_inherit=0): - """ compile the given source to a raw code object, - and maintain an internal cache which allows later - retrieval of the source code for the code object - and any recursively created code objects. - """ - if _ast is not None and isinstance(source, _ast.AST): - # XXX should Source support having AST? - return cpy_compile(source, filename, mode, flags, dont_inherit) - _genframe = sys._getframe(1) # the caller - s = Source(source) - co = s.compile(filename, mode, flags, _genframe=_genframe) - return co - - -def getfslineno(obj): - try: - code = py.code.Code(obj) - except TypeError: - # fallback to - fn = (py.std.inspect.getsourcefile(obj) or - py.std.inspect.getfile(obj)) - fspath = fn and py.path.local(fn) or None - if fspath: - try: - _, lineno = findsource(obj) - except IOError: - lineno = None - else: - lineno = None - else: - fspath = code.path - lineno = code.firstlineno - return fspath, lineno - -# -# helper functions -# - -def findsource(obj): - try: - sourcelines, lineno = py.std.inspect.findsource(obj) - except py.builtin._sysex: - raise - except: - return None, None - source = Source() - source.lines = [line.rstrip() for line in sourcelines] - return source, lineno - -def getsource(obj, **kwargs): - obj = py.code.getrawcode(obj) - try: - strsrc = inspect.getsource(obj) - except IndentationError: - strsrc = "\"Buggy python version consider upgrading, cannot get source\"" - assert isinstance(strsrc, str) - return Source(strsrc, **kwargs) - -def deindent(lines, offset=None): - if offset is None: - for line in lines: - line = line.expandtabs() - s = line.lstrip() - if s: - offset = len(line)-len(s) - break - else: - offset = 0 - if offset == 0: - return list(lines) - newlines = [] - def readline_generator(lines): - for line in lines: - yield line + '\n' - while True: - yield '' - - r = readline_generator(lines) - try: - readline = r.next - except AttributeError: - readline = r.__next__ - - try: - for _, _, (sline, _), (eline, _), _ in tokenize.generate_tokens(readline): - if sline > len(lines): - break # End of input reached - if sline > len(newlines): - line = lines[sline - 1].expandtabs() - if line.lstrip() and line[:offset].isspace(): - line = line[offset:] # Deindent - newlines.append(line) - - for i in range(sline, eline): - # Don't deindent continuing lines of - # multiline tokens (i.e. multiline strings) - newlines.append(lines[i]) - except (IndentationError, tokenize.TokenError): - pass - # Add any lines we didn't see. E.g. if an exception was raised. - newlines.extend(lines[len(newlines):]) - return newlines diff --git a/eggs/py-1.4.0-py2.6.egg/py/_code/source.pyo b/eggs/py-1.4.0-py2.6.egg/py/_code/source.pyo Binary files differdeleted file mode 100644 index 5a5948c..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_code/source.pyo +++ /dev/null |