#12-Python

Roadmap/12 - JSON Y XML/python/Irenetitor.py

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+#import os
+import xml.etree.ElementTree as xml
+import json
+
+xml_file = "Irenetitor.xml"
+json_file = "Irenetitor.json"
+
+user = {
+  "name": "Ana",
+  "age": 25,
+  "birth_date": "23-02-2000",
+  "languages": ["Python", "JavaScript", "Java"]
+}
+
+#XML
+
+def save_xml():
+
+    root = xml.Element("user")
+
+    for key, value in user.items():
+        child = xml.SubElement(root, key)
+        if isinstance(value, list):
+            for language in value:
+                xml.SubElement(child, "language").text = language
+        else:
+            child.text = str(value)
+
+    # ✔ Write the file inside the function
+    tree = xml.ElementTree(root)
+    tree.write(xml_file)
+
+
+save_xml()
+
+with open(xml_file) as xml_user:
+    print(xml_user.read())
+
+#os.remove(xml_file)
+
+
+'''
+<data>
+    <name>Ana</name>
+    <age>25</age>
+    <birth_date>23-02-2000</birth_date>
+    <languages>
+        <language>Python</language>
+        <language>JavaScript</language>
+        <language>Java</language>
+    </languages>
+</data>
+
+'''
+
+#JSON
+
+with open(json_file, "w") as json_user:
+    json.dump(user, json_user)
+
+with open(json_file, "r") as json_user:
+    print(json_user.read())
+
+#os.remove(json_file)
+
+'''
+{
+  "name": "Ana",
+  "age": 25,
+  "birth_date": "23-02-2000",
+  "languages": ["Python", "JavaScript", "Java"]
+}
+'''
+
+#EXTRA EXERCISE
+
+xml_file = "user_parsed.xml"
+json_file = "user_parsed.json"
+
+user_data = {
+    "name": "Juan",
+    "age": 29,
+    "birth_date": "23-02-1996",
+    "languages": ["Python", "JavaScript", "Java"]
+}
+
+# Save data as XML
+
+def save_xml(data: dict, filename: str) -> None:
+    root = xml.Element("user")  # <user> ... </user>
+
+    for key, value in data.items():
+        child = xml.SubElement(root, key)
+
+        if isinstance(value, list):
+            # For lists -> create "<language>" for each item
+            for language in value:
+                xml.SubElement(child, "language").text = language
+        else:
+            # Simple values -> just put text
+            child.text = str(value)
+
+    tree = xml.ElementTree(root)
+    tree.write(filename, encoding="utf-8", xml_declaration=True)
+
+# Save data as JSON
+
+def save_json(data: dict, filename: str) -> None:
+    with open(filename, "w", encoding="utf-8") as json_user:
+        json.dump(data, json_user, indent=4)
+
+
+# USER CLASS
+
+class User:
+    def __init__(self, name, age, birth_date, languages):
+        self.name = name
+        self.age = age
+        self.birth_date = birth_date
+        self.languages = languages
+
+    def __repr__(self):
+        return (
+            f"User(name={self.name!r}, age={self.age}, "
+            f"birth_date={self.birth_date!r}, languages={self.languages!r})"
+        )
+
+    @classmethod
+    def from_json(cls, filename: str):
+        """Create a User object from a JSON file."""
+        with open(filename, "r", encoding="utf-8") as f:
+            data = json.load(f)
+
+        return cls(
+            name=data["name"],
+            age=data["age"],
+            birth_date=data["birth_date"],
+            languages=data["languages"],
+        )
+
+    @classmethod
+    def from_xml(cls, filename: str):
+        """Create a User object from an XML file."""
+        tree = xml.parse(filename)
+        root = tree.getroot()
+
+        # Simple elements
+        name = root.find("name").text
+        age = int(root.find("age").text)
+        birth_date = root.find("birth_date").text
+
+        # Languages (list)
+        languages = []
+        langs_node = root.find("languages")
+        if langs_node is not None:
+            for lang_tag in langs_node.findall("language"):
+                languages.append(lang_tag.text)
+
+        return cls(name, age, birth_date, languages)
+
+
+# RUN THE FULL FLOW
+
+save_xml(user_data, xml_file)
+save_json(user_data, json_file)
+
+print("\n--- XML FILE CONTENT ---")
+with open(xml_file, "r", encoding="utf-8") as xml_user:
+    print(xml_user.read())
+
+print("\n--- JSON FILE CONTENT ---")
+with open(json_file, "r", encoding="utf-8") as json_user:
+    print(json_user.read())
+
+# Create User objects
+user_from_xml = User.from_xml(xml_file)
+user_from_json = User.from_json(json_file)
+
+print("\n--- USER OBJECTS ---")
+print("From XML: ", user_from_xml)
+print("From JSON:", user_from_json)
+
+# Optional delete:
+# os.remove(xml_file)
+# os.remove(json_file)