|
| 1 | +import json |
| 2 | +import base64 |
| 3 | +from typing import Union |
| 4 | +import csv |
| 5 | +import xml.etree.ElementTree as ET |
| 6 | + |
| 7 | +class Textbin: |
| 8 | + """ |
| 9 | + A class for converting between various text formats. |
| 10 | +
|
| 11 | + Methods: |
| 12 | + - to_binary: Converts text to binary representation. |
| 13 | + - to_text: Converts binary representation to text. |
| 14 | + - json_to_base64: Converts a JSON object to a base64-encoded string. |
| 15 | + - base64_to_json: Converts a base64-encoded string to a JSON object. |
| 16 | + - xml_to_json: Converts an XML string to a JSON object. |
| 17 | + - json_to_xml: Converts a JSON object to an XML string. |
| 18 | + - xml_to_csv: Converts an XML string to a CSV file. |
| 19 | + """ |
| 20 | + def __init__(self): |
| 21 | + pass |
| 22 | + |
| 23 | + def to_binary(self, text: str) -> str: |
| 24 | + """Convert text to binary representation.""" |
| 25 | + binary = " ".join(format(ord(i), "b") for i in str(text)) |
| 26 | + return binary |
| 27 | + |
| 28 | + def to_text(self, binary: str) -> str: |
| 29 | + """Convert binary representation to text.""" |
| 30 | + text = "".join(chr(int(i, 2)) for i in binary.split()) |
| 31 | + return text |
| 32 | + |
| 33 | + def json_to_base64(self, json_data: Union[dict, list]) -> str: |
| 34 | + """Convert a JSON object to base64-encoded string.""" |
| 35 | + try: |
| 36 | + data = json.dumps(json_data) |
| 37 | + base64_encoded = base64.b64encode(data.encode()).decode() |
| 38 | + return base64_encoded |
| 39 | + except json.JSONDecodeError as e: |
| 40 | + raise ValueError(f"Invalid JSON data: {e}") |
| 41 | + except Exception as e: |
| 42 | + raise ValueError(f"Error encoding to base64: {e}") |
| 43 | + |
| 44 | + def base64_to_json(self, base64_string: str) -> Union[dict, list]: |
| 45 | + """Convert a base64-encoded string to a JSON object.""" |
| 46 | + try: |
| 47 | + base64_decode = base64.b64decode(base64_string).decode() |
| 48 | + json_data = json.loads(base64_decode) |
| 49 | + return json_data |
| 50 | + except base64.binascii.Error as e: |
| 51 | + raise ValueError(f"Invalid base64 data: {e}") |
| 52 | + except json.JSONDecodeError as e: |
| 53 | + raise ValueError(f"Invalid JSON data: {e}") |
| 54 | + except Exception as e: |
| 55 | + raise ValueError(f"Error decoding from base64: {e}") |
| 56 | + |
| 57 | + def csv_to_json(self, csv_string: str) -> Union[dict, list]: |
| 58 | + """Convert a CSV string to a JSON object.""" |
| 59 | + try: |
| 60 | + csv_data = csv.reader(csv_string.splitlines()) |
| 61 | + headers = next(csv_data) |
| 62 | + json_data = [] |
| 63 | + for row in csv_data: |
| 64 | + row_dict = {} |
| 65 | + for i, value in enumerate(row): |
| 66 | + row_dict[headers[i]] = value |
| 67 | + json_data.append(row_dict) |
| 68 | + return json_data |
| 69 | + except csv.Error as e: |
| 70 | + raise ValueError(f"Invalid CSV data: {e}") |
| 71 | + except Exception as e: |
| 72 | + raise ValueError(f"Error converting CSV to JSON: {e}") |
| 73 | + |
| 74 | + def json_to_csv(self, json_data: Union[dict, list]) -> str: |
| 75 | + """Convert a JSON object to a CSV string.""" |
| 76 | + try: |
| 77 | + if isinstance(json_data, list) and len(json_data) > 0: |
| 78 | + headers = list(json_data[0].keys()) |
| 79 | + csv_string = ",".join(headers) + "\n" |
| 80 | + for item in json_data: |
| 81 | + csv_string += ",".join(str(item.get(header, "")) for header in headers) + "\n" |
| 82 | + return csv_string |
| 83 | + else: |
| 84 | + raise ValueError("JSON data must be a non-empty list of dictionaries") |
| 85 | + except Exception as e: |
| 86 | + raise ValueError(f"Error converting JSON to CSV: {e}") |
| 87 | + |
| 88 | + def csv_to_text(self, csv_string: str) -> str: |
| 89 | + """Convert a CSV string to plain text.""" |
| 90 | + try: |
| 91 | + return csv_string |
| 92 | + except Exception as e: |
| 93 | + raise ValueError(f"Error converting CSV to text: {e}") |
| 94 | + |
| 95 | + def text_to_csv(self, text: str) -> str: |
| 96 | + """Convert plain text to a CSV string.""" |
| 97 | + try: |
| 98 | + return text |
| 99 | + except Exception as e: |
| 100 | + raise ValueError(f"Error converting text to CSV: {e}") |
| 101 | + |
| 102 | + def csv_to_bin(self, csv_string: str) -> str: |
| 103 | + """Convert a CSV string to binary representation.""" |
| 104 | + try: |
| 105 | + binary = self.to_binary(csv_string) |
| 106 | + return binary |
| 107 | + except Exception as e: |
| 108 | + raise ValueError(f"Error converting CSV to binary: {e}") |
| 109 | + |
| 110 | + def bin_to_csv(self, binary: str) -> str: |
| 111 | + """Convert binary representation to a CSV string.""" |
| 112 | + try: |
| 113 | + csv_string = self.to_text(binary) |
| 114 | + return csv_string |
| 115 | + except Exception as e: |
| 116 | + raise ValueError(f"Error converting binary to CSV: {e}") |
| 117 | + |
| 118 | + def json_to_bin(self, json_data: Union[dict, list]) -> str: |
| 119 | + """Convert a JSON object to binary representation.""" |
| 120 | + try: |
| 121 | + json_string = json.dumps(json_data) |
| 122 | + binary = self.to_binary(json_string) |
| 123 | + return binary |
| 124 | + except json.JSONDecodeError as e: |
| 125 | + raise ValueError(f"Invalid JSON data: {e}") |
| 126 | + except Exception as e: |
| 127 | + raise ValueError(f"Error converting JSON to binary: {e}") |
| 128 | + |
| 129 | + def bin_to_json(self, binary: str) -> Union[dict, list]: |
| 130 | + """Convert binary representation to a JSON object.""" |
| 131 | + try: |
| 132 | + json_string = self.to_text(binary) |
| 133 | + json_data = json.loads(json_string) |
| 134 | + return json_data |
| 135 | + except json.JSONDecodeError as e: |
| 136 | + raise ValueError(f"Invalid JSON data: {e}") |
| 137 | + except Exception as e: |
| 138 | + raise ValueError(f"Error converting binary to JSON: {e}") |
| 139 | + |
| 140 | + |
| 141 | + def xml_to_json(self, xml_string: str) -> Union[dict, list]: |
| 142 | + """Convert an XML string to a JSON object.""" |
| 143 | + try: |
| 144 | + root = ET.fromstring(xml_string) |
| 145 | + json_data = self._element_to_dict(root) |
| 146 | + return json_data |
| 147 | + except ET.ParseError as e: |
| 148 | + raise ValueError(f"Invalid XML data: {e}") |
| 149 | + except Exception as e: |
| 150 | + raise ValueError(f"Error converting from XML to JSON: {e}") |
| 151 | + |
| 152 | + def json_to_xml(self, json_data: Union[dict, list]) -> str: |
| 153 | + """Convert a JSON object to an XML string.""" |
| 154 | + try: |
| 155 | + root = self._dict_to_element(json_data) |
| 156 | + xml_string = ET.tostring(root, encoding="unicode") |
| 157 | + return xml_string |
| 158 | + except Exception as e: |
| 159 | + raise ValueError(f"Error converting from JSON to XML: {e}") |
| 160 | + |
| 161 | + def xml_to_csv(self, xml_string: str, csv_file: str) -> None: |
| 162 | + """Convert an XML string to a CSV file.""" |
| 163 | + try: |
| 164 | + root = ET.fromstring(xml_string) |
| 165 | + with open(csv_file, "w", newline="", encoding="utf-8") as f: |
| 166 | + writer = csv.writer(f) |
| 167 | + header = [] |
| 168 | + for child in root: |
| 169 | + row = [] |
| 170 | + for key, value in child.attrib.items(): |
| 171 | + if key not in header: |
| 172 | + header.append(key) |
| 173 | + row.append(value) |
| 174 | + writer.writerow(row) |
| 175 | + writer.writerow(header) |
| 176 | + except ET.ParseError as e: |
| 177 | + raise ValueError(f"Invalid XML data: {e}") from e |
| 178 | + except Exception as e: |
| 179 | + raise ValueError(f"Error converting from XML to CSV: {e}") from e |
| 180 | + |
| 181 | + |
| 182 | + def _element_to_dict(self, element: ET.Element) -> Union[dict, list]: |
| 183 | + """Convert an ElementTree element to a dictionary.""" |
| 184 | + if element: |
| 185 | + if element.attrib: |
| 186 | + return {element.tag: element.attrib} |
| 187 | + children = element.getchildren() |
| 188 | + if children: |
| 189 | + out = {} |
| 190 | + for child in children: |
| 191 | + result = self._element_to_dict(child) |
| 192 | + if child.tag in out: |
| 193 | + if isinstance(out[child.tag], list): |
| 194 | + out[child.tag].append(result) |
| 195 | + else: |
| 196 | + out[child.tag] = [out[child.tag], result] |
| 197 | + else: |
| 198 | + out[child.tag] = result |
| 199 | + return {element.tag: out} |
| 200 | + return {element.tag: element.text} |
| 201 | + return None |
| 202 | + |
| 203 | + def _dict_to_element(self, data: Union[dict, list]) -> ET.Element: |
| 204 | + """Convert a dictionary to an ElementTree element.""" |
| 205 | + if isinstance(data, dict): |
| 206 | + items = data.items() |
| 207 | + elif isinstance(data, list): |
| 208 | + items = enumerate(data) |
| 209 | + else: |
| 210 | + raise ValueError(f"Invalid data type: {type(data)}") |
| 211 | + elem = ET.Element("item") |
| 212 | + for key, value in items: |
| 213 | + if isinstance(value, dict): |
| 214 | + child = self._dict_to_element(value) |
| 215 | + child.tag = key |
| 216 | + elem.append(child) |
| 217 | + elif isinstance(value, list): |
| 218 | + for item in value: |
| 219 | + child = self._dict_to_element(item) |
| 220 | + child.tag = key |
| 221 | + elem.append(child) |
| 222 | + else: |
| 223 | + child = ET.Element(key) |
| 224 | + child.text = str(value) |
| 225 | + elem.append(child) |
| 226 | + return elem |
| 227 | + |
| 228 | +if __name__ == "__main__": |
| 229 | + textbin = Textbin() |
| 230 | + word = {"foo": "bar"} |
| 231 | + |
| 232 | + try: |
| 233 | + converted_word = textbin.json_to_base64(word) |
| 234 | + print(converted_word) # Output: eyJmb28iOiAiYmFyIn0= |
| 235 | + BASE64_STRING = "eyJmb28iOiAiYmFyIn0=" |
| 236 | + converted_binary = textbin.base64_to_json(BASE64_STRING) |
| 237 | + print(converted_binary) # Output: {'foo': 'bar'} |
| 238 | + |
| 239 | + except ValueError as e: |
| 240 | + print(f"Error: {e}") |
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