def verify_source(source):
tree = fix_tree(parse(source, 'exec'))
code = pycodegen.ModuleCodeGenerator(tree).getCode()
generator = ModuleSourceCodeGenerator(tree)
generated = generator.getSourceCode()
try:
new = fix_tree(parse(generated, 'exec'))
except SyntaxError:
return generated
old = code.co_code
new = pycodegen.ModuleCodeGenerator(new).getCode().co_code
if old != new:
return generated
def compile(self, code, filename="<string>"):
tree = self.parser.parse(code)
misc.set_filename(filename, tree)
syntax.check(tree)
gen = pycodegen.ModuleCodeGenerator(tree)
code = gen.getCode()
return code
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 compileCodeObjects(filename, codeobjs):
if len(codeobjs) == 0:
stmts = []
else:
stmts = [ast.For(ast.AssName('[--codeobj--]', 'OP_ASSIGN'),
ast.Const(codeobjs),
ast.Stmt([ast.Exec(ast.Name('[--codeobj--]'),
None, None)]),
None),
ast.AssName('[--codeobj--]', 'OP_DELETE')]
module = ast.Module(None, ast.Stmt(stmts))
compiler.misc.set_filename(filename, module)
return pycodegen.ModuleCodeGenerator(module).getCode()
def compile(self, source, filename="<string>"):
"""
Compile the template source into a code object suitable for execution
with exec or eval.
source - template (Python) source to compile.
filename - the filename used in the compiled code. This name will be
used in tracebacks.
"""
mod = compiler.parse(source)
misc.set_filename(filename, mod)
self.preorder(mod, self)
generator = pycodegen.ModuleCodeGenerator(mod)
code = generator.getCode()
return code
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)
def compile(self):
ast = parse(self.source, self.filename)
gen = pycodegen.ModuleCodeGenerator(self.filename)
walk(ast, gen, 1)
self.code = gen.getCode()
def codegen(tree):
gen = pycodegen.ModuleCodeGenerator(tree)
code = gen.getCode()
return code
