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How to use validate_head method in pandera

Best Python code snippet using pandera_python

request.py

Source:request.py

...84        head  = StructedDict.lines_to_dict(s[:i])85        args  = StructedDict.lines_to_dict(s[i+1:-1])86        self._head  = head87        self._args  = args88        self.validate_head()89    head_key_need  = ['action', 'method']90    head_key_allow = head_key_need + ['appname', 'appid']91    def validate_head(self):92        for k in self.head_key_need:93            assert k in self._head, ValueError94        for k in self._head:95            assert k in k in self.head_key_allow, ValueError96        if 'appname' in self._head:97            appname = self._head['appname']98            assert len(appname) > 0 and appname.strip(APPNAME_CHARSET) == "", ValueError99        if 'appid' in self._head:100            appid = self._head['appid']101            assert len(appid) > 0 and appid.strip(APPID_CHARSET) == "", ValueError102    @property103    def request_data(self):104        return self._request_data105    @property...

ast_slash0_validate.py

Source:ast_slash0_validate.py

...31    for command in ast["commands"]:32        mine_noderefs(command)33    return noderefs34def ast_slash0_validate(ast):35    def validate_head():36        splits = head.split("/")37        for n in reversed(range(len(splits))):38            sub = "/".join(splits[:n+1])39            if sub not in symbols:40                msg = "%s '%s' is declared, but not context '%s'"41                raise Exception(msg % (node_type.capitalize(), name, sub))42    nodes = ast["nodes"]43    symbols = find_symbols(nodes)44    noderefs = find_noderefs(ast)45    for noderef in noderefs:46        node_type = noderef["type"]47        node_index = noderef["index"]48        if node_index == -1:49            continue50        if node_type == "env":51            continue52        node = nodes[node_type][node_index]53        name = node["name"]54        if node_type == "doc":55            last_slash = name.rfind("/")56            if last_slash > -1:57                head = name[:last_slash]58                validate_head()59        if node_type == "context":60            head = name61            validate_head()62        symbols[name]["noderefs"].append(noderef)63    for symbol_name in symbols:64        symbol = symbols[symbol_name]65        nr_inputs = len([n for n in symbol["noderefs"] if n["mode"] == "input"])66        nr_outputs = len([n for n in symbol["noderefs"] if n["mode"] == "output"])67        if nr_outputs > 1:68            raise Exception("Multiple assigments to '%s'" % symbol_name)69        if nr_inputs == 0:70            print("WARNING: unused %s '%s'" % (symbol["type"], symbol_name))71        if symbol["type"] == "doc":72            node = symbol["node"]73            if node["origin"] in ("input", "extern") and nr_outputs > 0:74                raise Exception("Cannot assign to %s doc '%s'" % (node["origin"], symbol_name))75    return symbols

linked_list.py

Source:linked_list.py

...7    def __repr__(self):8        return "<Node %s--->%s>" % (self.data, str(self.next))9class LinkedList(object):10    def __init__(self, head=None):11        self.validate_head(head)12        self.head = head13    def __len__(self):14        cursor = self.head15        counter = 016        while cursor:17            counter += 118            cursor = cursor.next19        return counter20    def validate_head(self, head):21        if head:22            assert isinstance(head, Node), 'Head must be a node object'23    def __str__(self):24        return self.head25    def push(self, data=None):26        if not data:27            return None28        node = Node(data, self.head)29        self.head = node30        return node31    def find(self, key):32        cursor = self.head33        while cursor and cursor.data != key:34            cursor = cursor.next...

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