Post final QA

Author: bzaczynski

python-t-strings/README.md

@@ -1,3 +1,3 @@
 # Python 3.14 Preview: Template Strings (T-Strings)
 
-This folder provides the code examples for the Real Python tutorial [Python 3.14 Preview: Template Strings (T-Strings)](https://realpython.com/python-t-string/).
+This folder provides the code examples for the Real Python tutorial [Python 3.14 Preview: Template Strings (T-Strings)](https://realpython.com/python-t-strings/).

python-t-strings/asynchronous.py

@@ -1,20 +1,19 @@
 import asyncio
 
 
-async def get_name():
-    # Simulate an asynchronous operation
-    await asyncio.sleep(1)
-    return "Pythonista"
+async def main():
+    greeting = await greeting_template()
+    print(greeting)
 
 
 async def greeting_template():
-    "Uncomment in Python 3.14+"
-    # return t"Hello, {await get_name()}!"
+    return t"Hello, {await get_name()}!"
 
 
-async def main():
-    greeting = await greeting_template()
-    print(greeting)
+async def get_name():
+    # Simulate an asynchronous operation
+    await asyncio.sleep(0.5)
+    return "Pythonista"
 
 
 asyncio.run(main())

python-t-strings/scape_html.py python-t-strings/escape_html.pypython-t-strings/scape_html.py renamed to python-t-strings/escape_html.py

@@ -14,9 +14,8 @@ def generate_safe_html(template):
     return "".join(parts)
 
 
-# Uncomment in Python 3.14+
-# username = "<script>alert('Hacked!')</script>"
-# template = t"<p>Hello, {username}!</p>"
+username = "<script>alert('Hacked!')</script>"
+template = t"<p>Hello, {username}!</p>"
 
-# safe_html = render_safe_html(template)
-# print(safe_html)
+safe_html = generate_safe_html(template)
+print(safe_html)

python-t-strings/logging_message.py

@@ -33,7 +33,6 @@ def __str__(self):
         return f"{self.message} >>> {json.dumps(self.values_dict)}"
 
 
-# Uncomment in Python 3.14+
-# action, amount, item = "refund", 7, "keyboard"
-# msg_template = TemplateMessage(t"Process {action}: {amount:.2f} {item}")
-# logging.info(msg_template)
+action, amount, item = "refund", 7, "keyboard"
+msg_template = TemplateMessage(t"Process {action}: {amount:.2f} {item}")
+logging.info(msg_template)

python-t-strings/sql.py

@@ -18,10 +18,9 @@ def sanitized_sql(template):
     return query, tuple(params)
 
 
-# Uncomment in Python 3.14+
-# username = "john'); DROP TABLE students;--"
-# template = t"SELECT * FROM students WHERE name = {username}"
-# query, params = sanitized_sql(template)
-# print("Sanitized SQL Query:", query)
+username = "'; DROP TABLE students;--"
+template = t"SELECT * FROM students WHERE name = {username}"
+query, params = sanitized_sql(template)
 
-# print("Parameters:", params)
+print("Sanitized SQL Query:", query)
+print("Parameters:", params)

python-t-strings/to_string.py

@@ -0,0 +1,31 @@
+from string.templatelib import Template
+
+
+def to_string(template):
+    if not isinstance(template, Template):
+        raise TypeError("t-string expected")
+
+    def convert(value, conversion):
+        func = {
+            "a": ascii, "r": repr, "s": str
+        }.get(conversion, lambda x: x)
+        return func(value)
+
+    parts = []
+    for item in template:
+        if isinstance(item, str):
+            parts.append(item)
+        else:
+            value = format(
+                convert(item.value, item.conversion),
+                item.format_spec
+            )
+            parts.append(value)
+    return "".join(parts)
+
+
+price = 234.8765
+print(to_string(t"The price is ${price:.2f}"))
+
+header = "Report"
+print(to_string(t"{header:=^20}"))