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How to use replace_template method in gabbi

Best Python code snippet using gabbi_python

linear_optimizer.py

Source:linear_optimizer.py

...34            template = [base_op(), types.Verify()]35            optimizations.append((template, [op()]))36    for template, replacement in optimizations:37        callback = lambda values, replacement=replacement: replacement38        instructions.replace_template(template, callback)39@peephole40def replace_repeated_ops(instructions):41    """Replace repeated opcodes with single opcodes."""42    optimizations = [43        # OP_DROP OP_DROP -> OP_2DROP44        ([types.Drop(), types.Drop()], [types.TwoDrop()]),45    ]46    for template, replacement in optimizations:47        callback = lambda values, replacement=replacement: replacement48        instructions.replace_template(template, callback)49@peephole50def optimize_stack_ops(instructions):51    """Optimize stack operations."""52    for template, replacement in [53        # OP_1 OP_PICK -> OP_OVER54        ([types.One(), types.Pick()], [types.Over()]),55        # OP_1 OP_ROLL OP_DROP -> OP_NIP56        ([types.One(), types.Roll(), types.Drop()], [types.Nip()]),57        # OP_0 OP_PICK -> OP_DUP58        ([types.Zero(), types.Pick()], [types.Dup()]),59        # OP_0 OP_ROLL -> _60        ([types.Zero(), types.Roll()], []),61        # OP_1 OP_ROLL OP_1 OP_ROLL -> _62        ([types.One(), types.Roll(), types.One(), types.Roll()], []),63        # OP_1 OP_ROLL -> OP_SWAP64        ([types.One(), types.Roll()], [types.Swap()]),65        # OP_NIP OP_DROP -> OP_2DROP66        ([types.Nip(), types.Drop()], [types.TwoDrop()]),67        # OP_OVER OP_OVER -> OP_2DUP68        ([types.Over(), types.Over()], [types.TwoDup()]),69    ]:70        callback = lambda values, replacement=replacement: replacement71        instructions.replace_template(template, callback)72@peephole73def replace_shortcut_ops(instructions):74    """Replace opcodes with a corresponding shortcut form."""75    optimizations = []76    # Replace division by 2.77    # OP_2 OP_DIV -> OP_2DIV78    optimizations.append(([types.Two(), types.Div()], lambda values: [types.Div2()]))79    # Replace subtraction by 1.80    # OP_1 OP_SUB -> OP_1SUB81    optimizations.append(([types.One(), types.Sub()], lambda values: [types.Sub1()]))82    # Replace 1 * -1 with -1.83    # OP_1 OP_NEGATE -> OP_1NEGATE84    optimizations.append(([types.One(), types.Negate()], lambda values: [types.NegativeOne()]))85    # Replace addition by 1.86    # OP_1 OP_ADD -> OP_1ADD87    for permutation in permutations([types.Push(), types.One()]) + permutations([types.SmallIntOpCode(), types.One()]):88        idx = 0 if not isinstance(permutation[0], types.One) else 189        optimizations.append((permutation + [types.Add()], lambda values, idx=idx: [values[idx], types.Add1()]))90    optimizations.append(([types.Assumption(), types.One(), types.Add()], lambda values: [values[0], types.Add1()]))91    # Replace multiplication by 2.92    # OP_2 OP_MUL -> OP_2MUL93    for permutation in permutations([types.Push(), types.Two()]) + permutations([types.SmallIntOpCode(), types.Two()]):94        idx = 0 if not isinstance(permutation[0], types.Two) else 195        optimizations.append((permutation + [types.Mul()], lambda values, idx=idx: [values[idx], types.Mul2()]))96    optimizations.append(([types.Assumption(), types.Two(), types.Mul()], lambda values: [values[0], types.Mul2()]))97    for template, callback in optimizations:98        instructions.replace_template(template, callback, strict=False)99@peephole100def replace_null_ops(instructions):101    """Replace operations that do nothing."""102    # Remove subtraction by 0.103    # OP_0 OP_SUB -> _104    optimizations = [([types.Zero(), types.Sub()], lambda values: [])]105    # Remove addition by 0.106    # OP_0 OP_ADD -> _107    for permutation in permutations([None, types.Zero()]):108        idx = 0 if permutation[0] is None else 1109        optimizations.append((permutation + [types.Add()], lambda values, idx=idx: [values[idx]]))110    for template, callback in optimizations:111        instructions.replace_template(template, callback)112@peephole113def optimize_dup_and_checksig(instructions):114    for template, callback in [115        ([types.Dup(), None, types.CheckSig()], lambda values: values[1:]),116    ]:117        instructions.replace_template(template, callback)118@peephole119def optimize_hashes(instructions):120    for template, replacement in [121        # OP_SHA256 OP_SHA256 -> OP_HASH256122        ([types.Sha256(), types.Sha256()], [types.Hash256()]),123        # OP_SHA256 OP_RIPEMD160 -> OP_HASH160124        ([types.Sha256(), types.RipeMD160()], [types.Hash160()]),125    ]:126        callback = lambda values, replacement=replacement: replacement127        instructions.replace_template(template, callback)128@peephole129def use_arithmetic_ops(instructions):130    """Replace ops with more convenient arithmetic ops."""131    optimizations = []132    _two_values = permutations([types.SmallIntOpCode(), types.Push()])133    _two_values.append([types.SmallIntOpCode()] * 2)134    _two_values.append([types.Push()] * 2)135    def all_strict_nums(numbers):136        """Evaluate whether instances represent strict numbers."""137        return all(formats.is_strict_num(i) for i in map(LInstructions.instruction_to_int, numbers))138    # Use NUMNOTEQUAL if both values are numbers.139    def numnotequal_callback(values):140        if not all_strict_nums(values[0:2]):141            return values142        return values[0:2] + [types.NumNotEqual()]143    for permutation in _two_values:144        optimizations.append((permutation + [types.Equal(), types.Not()], numnotequal_callback))145    for template, callback in optimizations:146        instructions.replace_template(template, callback, strict=False)147@peephole148def remove_trailing_verifications(instructions):149    """Remove any trailing OP_VERIFY occurrences.150    A trailing OP_VERIFY is redundant since a truthy value151    is required for a script to pass.152    """153    while len(instructions) and isinstance(instructions[-1], types.Verify):154        instructions.pop(-1)155@peephole156def promote_return(instructions):157    """Place any OP_RETURN occurrence at the beginning of the script."""158    # Get the indices of all OP_RETURN occurrences.159    occurrences = instructions.find_occurrences(types.Return())160    if not occurrences or occurrences == [0]:161        return162    map(instructions.pop, reversed(occurrences))163    instructions.insert(0, types.Return())164@peephole165def use_small_int_opcodes(instructions):166    """Convert data pushes to equivalent small integer opcodes."""167    def convert_push(push):168        push = push[0]169        try:170            i = formats.bytearray_to_int(push.data)171            return [types.small_int_opcode(i)()]172        except TypeError:173            pass174        return [push]175    instructions.replace_template([types.Push()], convert_push, strict=False)176@peephole177def shorten_commutative_operations(instructions):178    """Remove ops that change the order of commutative operations."""179    optimizations = []180    for op in [types.Add(), types.Mul(), types.BoolAnd(), types.BoolOr(),181               types.NumEqual(), types.NumEqualVerify(), types.NumNotEqual(),182               types.Min(), types.Max(),183               types.And(), types.Or(), types.Xor(), types.Equal(), types.EqualVerify(),184    ]:185        template = [types.Swap(), op]186        optimizations.append((template, lambda values: values[1:]))187    for template, callback in optimizations:188        instructions.replace_template(template, callback)189@peephole190def remove_null_conditionals(instructions):191    """Replace empty conditionals with an op that consumes the test value."""192    # OP_ELSE OP_ENDIF -> OP_ENDIF193    instructions.replace_template([types.Else(), types.EndIf()], lambda values: [types.EndIf()])194    # OP_IF OP_ENDIF -> OP_DROP195    instructions.replace_template([types.If(), types.EndIf()], lambda values: [types.Drop()])196@peephole197def replace_not_if(instructions):198    # OP_NOT OP_IF -> OP_NOTIF199    instructions.replace_template([types.Not(), types.If()], lambda values: [types.NotIf()])200class PeepholeOptimizer(object):201    """Performs peephole optimization on the linear IR."""202    MAX_PASSES = 5203    def __init__(self, enabled=True):204        self.enabled = enabled205    def optimize(self, instructions, max_passes=-1):206        if not self.enabled:207            return208        if max_passes == -1:209            max_passes = self.MAX_PASSES210        pass_number = 0211        while 1:212            if pass_number > max_passes:213                break...

pcollections.py

Source:pcollections.py

1# Submitter: yihanx2(Xu, Yihan)2# Partner  : zihaog(Gao, Zihao)3# We certify that we worked cooperatively on this programming4#   assignment, according to the rules for pair programming5import re, traceback, keyword67def pnamedtuple(type_name, field_names, mutable=False):8    def show_listing(s):9        for i, l in enumerate(s.split('\n'),1):10            print('{num: >3} {txt}'.format(num = i, txt = l.rstrip()))11    if type(type_name) != str:12        raise SyntaxError13    legal_bool1 = re.match('^[(a-z)(A-Z)]([\w\d(_\w)]+)?$', type_name)14    if legal_bool1 == None:15        raise SyntaxError16    elif legal_bool1 != None:17        if type_name in keyword.kwlist:18            raise SyntaxError19    20    if type(field_names) == list:21        for names in field_names:22            legal_bool2 = re.match('^[(a-z)(A-Z)]([\w\d(_\w)]+)?$', names)23            if legal_bool2 == None:24                raise SyntaxError25            elif legal_bool2 != None:26                if names in keyword.kwlist:27                    raise SyntaxError28    29    elif type(field_names) == str:30        if ',' in field_names:31            field_names = field_names.replace(' ', '')32            field_names = field_names.split(',')33            for names in field_names:34                legal_bool3 = re.match('^[(a-z)(A-Z)]([\w\d(_\w)]+)?$', names)35                if legal_bool3 == None:36                    raise SyntaxError37                elif legal_bool3 != None:38                    if names in keyword.kwlist:39                        raise SyntaxError 40        else:41            field_names = field_names.split(' ')42            for i in field_names:43                if i == ' ':44                    field_names.remove(i)45            for names in field_names:46                legal_bool3 = re.match('^[(a-z)(A-Z)]([\w\d(_\w)]+)?$', names)47                if legal_bool3 == None:48                    raise SyntaxError49                elif legal_bool3 != None:50                    if names in keyword.kwlist:51                        raise SyntaxError52    else:53        raise SyntaxError 54    l1 = []55    for names in field_names:56        if names not in l1:57            l1.append(names)58    field_names = l159        60    class_name_template = '''\61class {type_name}:\n'''62    63    def gen_init(field_names):64        init_template = '''\65    def __init__(self'''66        for i in field_names:67            init_template += ',' + str(i)68        init_template += '):\n'69        for i in field_names:70            init_template += '        self.' + str(i) + '=' + str(i) + '\n'71        init_template += '        self._fields = '+ str(field_names)+ '\n'72        init_template += '        self._mutable = '+ str(mutable)+ '\n'73        return init_template74        75    def gen_repr(type_name, field_names):76        repr_template = '''\77    def __repr__(self):\n'''78        repr_template += '        return ' + "'"+type_name + "('"79        for i in field_names:80            repr_template +=  '+str(' +"'"+ i +"'"+ ')+"="+str('+'self.' + str(i)+ ')+","'81        repr_template = repr_template[:-4] + "+')'" + '\n'82        return repr_template83    84    def gen_get(field_names):85        get_template = ''86        for i in field_names:87            get_template += '    def get_' + str(i) + '(self): \n        return self.' + str(i)+'\n'88        return get_template89    90    def gen_getitem(type_name, field_names):91        getitem_template = '    def __getitem__(self, int_str):\n'92        for i in field_names:93            getitem_template += '        if int_str ==' +"'" + str(i) + "'" +':\n' 94            getitem_template += '            return ' + type_name + '.get_' + str(i) +'(self)' +'\n'95            getitem_template += '        if int_str ==' + str(field_names.index(i)) + ':\n'96            getitem_template += '            return ' + 'self.' + str(i) + '\n'97        getitem_template += '        else:\n'    98        getitem_template += '            raise IndexError\n'99        return getitem_template   100    101    def gen_eq(type_name, field_names):102        eq_template = '    def __eq__(self, target):\n'103        eq_template += '        if type(target) is ' + type_name + ' and ' + 'len(target._fields) == len(self._fields): \n'        104        for i in range(len(field_names)):105            eq_template += '            if self[' + str(i) + ']' + '!= target[' + str(i) + ']:\n'106            eq_template += '                return False\n'107        eq_template += '            return True\n'108        eq_template += '        return False\n'109        return eq_template110    111    def gen_replace(type_name, field_names):112        replace_template = '    def _replace(self, **kargs):\n'113        replace_template += '        for keys, values in kargs.items():\n'114        replace_template += '            if keys not in self._fields:\n'115        replace_template += '                raise TypeError\n'116        replace_template += '        if self._mutable == True:\n'117        replace_template += '            for keys, values in kargs.items():\n'118        replace_template += '                self.__dict__[keys] = values\n'119        replace_template += '        if self._mutable == False:\n'120        replace_template += '            new_class = '+ type_name + '(' 121        for i in field_names:122            replace_template += 'self[' + "'" + str(i)+ "'" +'],' 123        replace_template = replace_template[:-1] + ')\n'124        replace_template += '            for keys, values in kargs.items():\n'125        replace_template += '                new_class.__dict__[keys] = values\n'126        replace_template += '            return new_class\n'127        return replace_template128    129    def gen_setatt(field_names):130        setatt_template = '    def __setattr__(self,name,value):\n'131        setatt_template += '        if "_mutable" in self.__dict__:\n'132        setatt_template += '            if self._mutable == False:\n '133        setatt_template += '                if "_mutable" not in self.__dict__ or "_fields" not in self.__dict__ or'134        for i in field_names:135            setatt_template += "'"+str(i)+"'"+ ' not in self.__dict__ or '136        setatt_template = setatt_template[:-4] + ':\n'137        setatt_template += '                     self.__dict__[name] = value\n'138        setatt_template += '                 else:\n'139        setatt_template += '                     raise AttributeError\n'140        setatt_template += '            else:\n'141        setatt_template += '                self.__dict__[name] = value\n'142        setatt_template += '        else:\n'143        setatt_template += '            self.__dict__[name] = value'144        return setatt_template145    146    class_definition = \147      class_name_template.format(type_name = type_name) + gen_init(field_names) + gen_repr(type_name, field_names) + gen_get(field_names) + gen_getitem(type_name, field_names) + gen_eq(type_name, field_names) + gen_replace(type_name,field_names) + gen_setatt(field_names)148    149150    151             152        153        154        155        156157    # put your code here158    # bind class_definition (used below) to the string constructed for the class159160161162    # For initial debugging, always show the source code of the class163    #show_listing(class_definition)164    165    # Execute the class_definition string in a local namespace and bind the166    #   name source_code in its dictionary to the class_defintion; return the167    #   class object created; if there is a syntax error, list the class and168    #   show the error169    name_space = dict(__name__='pnamedtuple_{type_name}'.format(type_name=type_name))170    try:171        exec(class_definition, name_space)172        name_space[type_name].source_code = class_definition173    except(SyntaxError, TypeError):174        show_listing(class_definition)175        traceback.print_exc()176    return name_space[type_name]177    178if __name__ == '__main__':179    import driver180    driver.driver()181    x = pnamedtuple('Point', 'x y', mutable=False)
...

app_cfg.py

Source:app_cfg.py

...116     'resetpassword',117     reset_password_form='ksweb.lib.forms.ResetPasswordForm',118     new_password_form='ksweb.lib.forms.NewPasswordForm')119# from tgext.pluggable import replace_template120# replace_template(base_config,121#                  'resetpassword.templates.index',122#                  'ksweb.templates.resetpassword.index')123plug(base_config, 'userprofile')124# replace_template(base_config, 'registration.templates.register', 'ksweb.templates.registration.register')125# replace_template(base_config, 'userprofile.templates.index', 'ksweb.templates.userprofile.index')126def replace_profile_form_layout():127    from axf.bootstrap import BootstrapFormLayout128    from userprofile.lib import UserForm129    # UserForm.child = BootstrapFormLayout(children=UserForm.child.children)130    UserForm.submit.css_class = 'btn btn-success'...

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