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How to use _header_string method in autotest
Best Python code snippet using autotest_python
csv.py
Source:csv.py 
1#-*- coding: utf-8 -*-2# csv.py (c)2021, 2022 Henrique Moreira3"""4csv-based table5"""6# pylint: disable=missing-function-docstring7from zson.zobject import ZObject, simpler_ascii8ENCODINGS = {9 "latin-1": "ISO-8859-1",10}11TILDE = "~"12class BareTable(ZObject):13 """ Abstract basic table. """14 def __init__(self, info, encoding):15 super().__init__(info, encoding)16 self._header_string = ""17 def header_string(self) -> str:18 assert isinstance(self._header_string, str)19 return self._header_string20class CSV(BareTable):21 """ CSV-based table22 """23 _default_split = ","24 def __init__(self, info=None, encoding="utf-8"):25 """ Initializer: data should be a dictionary or a list.26 """27 self._split = CSV._default_split28 super().__init__(info, encoding)29 assert isinstance(self._table, (list, dict))30 def header(self) -> list:31 """ Returns the header fields, as a list. """32 astr = self._header_string.lstrip("#")33 if self._auto_head:34 astr = simpler_ascii(astr)35 if not astr:36 return []37 return self._to_row(astr.split(self._split))38 def rework_header(self, new_fields:list):39 oldlen = len(self.header())40 self._header_string = self._default_split.join(new_fields)41 return oldlen == len(self.header())42 def convert(self, obj) -> bool:43 """ Converts from another object """44 try:45 cont = obj.get()46 except AttributeError:47 cont = None48 if not cont:49 return self._from_object(obj)50 self._table = cont51 return True52 def load(self, path:str, header:str="a", split_chr=None) -> bool:53 """ Loads content from file, at 'path'. """54 if split_chr is not None:55 self._split = split_chr56 self._table = []57 try:58 with open(path, "r", encoding=self._encoding) as fdin:59 data = fdin.read()60 except FileNotFoundError:61 return False62 return self._from_data(data, header)63 def save(self, path:str) -> bool:64 """ Save content to a file, at 'path'. """65 astr = self._to_csv()66 try:67 with open(path, "w", encoding=self._encoding) as fdout:68 fdout.write(astr)69 except FileNotFoundError:70 return False71 return True72 def dump(self) -> str:73 """ Returns the json equivalent to this table. """74 return self.dumps(self._table)75 def dump_json(self, key=None, key_split=None) -> str:76 """ Shows dictionary with key,77 or just the header() as key.78 """79 achr = self._split if key_split is None else key_split80 if key is None:81 if achr and achr < " ":82 # Assume a semi-colon, instead of a tab (for a better json output!)83 assert achr == "\t", f"Not a tab?, ASCII={ord(achr[0])}d"84 achr = ";"85 keystr = achr.join(self.header())86 else:87 assert isinstance(key, str)88 assert not key_split, "'key_split' only when 'key' is specified"89 keystr = key90 return self.dumps(self._table, keystr)91 def dump_json_string(self):92 """ Returns the basic json list (string). """93 return self._dump_json_string(self._table)94 def rows(self):95 """ Returns the generator object for the table. """96 assert isinstance(self._table, list)97 for row in self._table:98 yield row99 def _from_data(self, data:str, header:str) -> bool:100 """ Read table from data string. """101 this = []102 lines = data.splitlines()103 self._header_string = ""104 assert header in (105 "a", # automatic106 "n", # no header107 "1", # 1-line header108 )109 if not lines:110 return True111 has_head = header == "1" or lines[0].startswith("#")112 if has_head:113 head, tail = lines[0], lines[1:]114 else:115 head, tail = "", lines116 self._header_string = head117 for line in tail:118 this = self._to_row(line.split(self._split))119 self._table.append(this)120 return True121 def _to_row(self, alist:list) -> list:122 """ Replaces '~' by ',' """123 if not alist:124 return []125 return [astr.replace(TILDE, self._split) for astr in alist]126 def _from_row(self, alist:list) -> list:127 """ Replaces ',' by '~' """128 if not alist:129 return []130 return [astr.replace(self._split, TILDE) for astr in alist]131 def _to_csv(self) -> str:132 """ Returns the csv string for the content. """133 astr = self._header_string134 if astr:135 astr += "\n"136 return astr + self._csv_payload()137 def _csv_payload(self) -> str:138 astr = ""139 for line in self._table:140 if isinstance(line, (list, tuple)):141 entry = line142 elif isinstance(line, dict):143 entry = [line[key] for key in sorted(line)]144 else:145 entry = [line]146 row = self._split.join(self._from_row(entry))147 astr += row + "\n"148 return astr149 def _from_object(self, obj) -> bool:150 """ Converts from object. """151 self._header_string = ""152 if isinstance(obj, (list, tuple)):153 self._table = obj154 return True155 if isinstance(obj, str):156 self._header_string = obj157 return True158 return False159 def __str__(self) -> str:160 return self._csv_payload()161 def __repr__(self) -> str:162 return self.dump_json()163 @staticmethod164 def set_separator(split_chr:str=","):165 assert split_chr166 assert isinstance(split_chr, str)167 CSV._default_split = split_chr168 @staticmethod169 def set_tab_separator():170 CSV._default_split = "\t"171# Main script172if __name__ == "__main__":...
csv_encoder.py
Source:csv_encoder.py
...39 for group in self._response['groups']:40 total_index = self._total_index(group, self._num_columns)41 value_table[total_index] = self._group_string(group)42 return value_table43 def _header_string(self, header_value):44 return '/'.join(header_value)45 def _process_value_table(self, value_table, row_headers):46 total_index = 047 for row_index in xrange(self._num_rows):48 row_header = self._header_string(row_headers[row_index])49 row_end_index = total_index + self._num_columns50 row_values = value_table[total_index:row_end_index]51 self._append_output_row([row_header] + row_values)52 total_index += self._num_columns53 def encode(self):54 header_values = self._response['header_values']55 assert len(header_values) == 256 row_headers, column_headers = header_values57 self._num_rows, self._num_columns = (len(row_headers),58 len(column_headers))59 value_table = self._build_value_table()60 first_line = [''] + [self._header_string(header_value)61 for header_value in column_headers]62 self._append_output_row(first_line)63 self._process_value_table(value_table, row_headers)64 return self._build_response()65class TableCsvEncoder(CsvEncoder):66 def __init__(self, request, response):67 super(TableCsvEncoder, self).__init__(request, response)68 self._column_specs = request['columns']69 def _format_row(self, row_object):70 """Extract data from a row object into a list of strings"""71 return [row_object.get(field) for field, name in self._column_specs]72 def _encode_table(self, row_objects):73 self._append_output_row([column_spec[1] # header row74 for column_spec in self._column_specs])...
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