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https://git.anonymousland.org/anonymousland/synapse-product.git
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131 lines
4.0 KiB
Python
Executable File
131 lines
4.0 KiB
Python
Executable File
#! /usr/bin/python
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import ast
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import yaml
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class DefinitionVisitor(ast.NodeVisitor):
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def __init__(self):
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super(DefinitionVisitor, self).__init__()
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self.functions = {}
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self.classes = {}
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self.names = {}
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self.attrs = set()
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self.definitions = {
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'def': self.functions,
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'class': self.classes,
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'names': self.names,
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'attrs': self.attrs,
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}
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def visit_Name(self, node):
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self.names.setdefault(type(node.ctx).__name__, set()).add(node.id)
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def visit_Attribute(self, node):
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self.attrs.add(node.attr)
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for child in ast.iter_child_nodes(node):
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self.visit(child)
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def visit_ClassDef(self, node):
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visitor = DefinitionVisitor()
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self.classes[node.name] = visitor.definitions
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for child in ast.iter_child_nodes(node):
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visitor.visit(child)
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def visit_FunctionDef(self, node):
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visitor = DefinitionVisitor()
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self.functions[node.name] = visitor.definitions
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for child in ast.iter_child_nodes(node):
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visitor.visit(child)
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def non_empty(defs):
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functions = {name: non_empty(f) for name, f in defs['def'].items()}
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classes = {name: non_empty(f) for name, f in defs['class'].items()}
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result = {}
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if functions: result['def'] = functions
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if classes: result['class'] = classes
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names = defs['names']
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uses = []
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for name in names.get('Load', ()):
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if name not in names.get('Param', ()) and name not in names.get('Store', ()):
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uses.append(name)
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uses.extend(defs['attrs'])
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if uses: result['uses'] = uses
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result['names'] = names
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result['attrs'] = defs['attrs']
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return result
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def definitions_in_code(input_code):
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input_ast = ast.parse(input_code)
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visitor = DefinitionVisitor()
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visitor.visit(input_ast)
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definitions = non_empty(visitor.definitions)
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return definitions
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def definitions_in_file(filepath):
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with open(filepath) as f:
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return definitions_in_code(f.read())
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def defined_names(prefix, defs, names):
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for name, funcs in defs.get('def', {}).items():
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names.setdefault(name, {'defined': []})['defined'].append(prefix + name)
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defined_names(prefix + name + ".", funcs, names)
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for name, funcs in defs.get('class', {}).items():
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names.setdefault(name, {'defined': []})['defined'].append(prefix + name)
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defined_names(prefix + name + ".", funcs, names)
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def used_names(prefix, defs, names):
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for name, funcs in defs.get('def', {}).items():
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used_names(prefix + name + ".", funcs, names)
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for name, funcs in defs.get('class', {}).items():
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used_names(prefix + name + ".", funcs, names)
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for used in defs.get('uses', ()):
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if used in names:
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names[used].setdefault('used', []).append(prefix.rstrip('.'))
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if __name__ == '__main__':
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import sys, os
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if not sys.argv[1:]:
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sys.stderr.write(
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"Usage: definitions.py <directory> <regexp>\n"
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" definitions.py <directory>\n"
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"Either list the definitions matching the regexp or list\n"
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" 'unused' definitions\n"
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)
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definitions = {}
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for root, dirs, files in os.walk(sys.argv[1]):
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for filename in files:
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if filename.endswith(".py"):
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filepath = os.path.join(root, filename)
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definitions[filepath] = definitions_in_file(filepath)
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names = {}
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for filepath, defs in definitions.items():
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defined_names(filepath + ":", defs, names)
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for filepath, defs in definitions.items():
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used_names(filepath + ":", defs, names)
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if sys.argv[2:]:
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import re
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pattern = re.compile(sys.argv[2])
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for name in list(names):
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if not pattern.match(name):
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del names[name]
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else:
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for name in list(names):
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if 'used' in names[name]:
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del names[name]
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yaml.dump(names, sys.stdout, default_flow_style=False)
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#yaml.dump(definitions, sys.stdout, default_flow_style=False)
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