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Update app.py from anycoder

94badb1 verified 9 months ago

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import gradio as gr
import random
import time
from datetime import datetime
import tempfile
import os
import traceback

def safe_write_temp_file(content: str, suffix: str = ".txt") -> str | None:
    """
    Safely writes content to a temporary file.
    Returns the file path if successful, None otherwise.
    """
    try:
        # Create a temp file that persists after closing (delete=False)
        # We use a try/finally block to ensure we close the file handle
        # before returning the path, preventing OS locking errors.
        temp_file = tempfile.NamedTemporaryFile(mode='w', delete=False, suffix=suffix)
        temp_file.write(content)
        temp_file.close()
        return temp_file.name
    except IOError as e:
        print(f"File System Error: {e}")
        return None
    except Exception as e:
        print(f"Unexpected File Error: {e}")
        return None

def simulate_processing(
    content: str, 
    operation: str, 
    iteration: int, 
    creativity_level: float
) -> tuple[str, int, str, gr.DownloadButton | None]:
    """
    Simulates a Review, Revise, Refactor, and Iterate workflow.
    Includes comprehensive error handling.
    """
    # 1. Initial Validation (Double check, though validator handles the first pass)
    if content is None:
        return "", 0, "⚠️ **Error:** No input detected.", None

    try:
        # Simulate processing time based on creativity level
        # Capped to prevent excessive waiting
        delay = min(0.3 + (creativity_level * 0.5), 2.0)
        time.sleep(delay)
        
        result = content
        status_msg = ""
        download_filename = None
        
        # Generate a timestamp for logs
        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")

        if operation == "Review":
            status_msg = f"""
            ### ✅ Review Complete
            - **Status:** Pass
            - **Time:** {timestamp}
            - **Analysis:** Syntax looks valid. 
            - **Suggestion:** Consider adding docstrings and type hints for better maintainability.
            """
            result = f"# REVIEW LOG [{timestamp}]\n# Status: Pass\n# Note: Code structure is solid.\n\n{content}"
            download_filename = "review_log.py"

        elif operation == "Revise":
            status_msg = """
            ### ✍️ Revision Complete
            - **Tone:** Professional
            - **Grammar:** Corrected
            - **Flow:** Optimized
            """
            # Logic: Ensure we handle string operations safely
            sentences = content.split('. ')
            revised = '. '.join([s.strip().capitalize() for s in sentences if s.strip()])
            result = revised if revised else content
            download_filename = "revised_text.txt"

        elif operation == "Refactor":
            status_msg = """
            ### ⚙️ Refactoring Complete
            - **Optimization:** Applied
            - **Complexity:** Reduced
            - **Style:** PEP8 Compliant
            """
            # Logic: Safe string replacement
            result = content.replace("var ", "let ").replace("  ", " ")
            result = f"# REFACTORED VERSION [{timestamp}]\n# Optimized for performance\n{result}"
            download_filename = "refactored_code.py"

        elif operation == "Iterate":
            iteration += 1
            status_msg = f"""
            ### 🚀 Iteration {iteration} Generated
            - **Creativity Level:** {creativity_level:.2f}
            - **Action:** Created new version based on feedback.
            """
            result = f"# --- ITERATION {iteration} ---\n# Generated at {timestamp}\n# Creativity: {creativity_level}\n{content}"
            download_filename = f"iteration_{iteration}.py"

        # 2. File Generation with Error Handling
        temp_file_path = None
        if result:
            temp_file_path = safe_write_temp_file(result, ".txt")
            
            if not temp_file_path:
                # If file write failed, warn the user but don't crash the whole app
                status_msg += "\n\n⚠️ **Warning:** Could not generate download file due to a system error."

        # 3. Return success state
        # We return an updated DownloadButton component
        return result, iteration, status_msg, gr.DownloadButton(value=temp_file_path, visible=True)

    except Exception as e:
        # 4. Global Exception Catch
        # This catches any unexpected crashes in the logic above
        error_trace = traceback.format_exc()
        print(f"Critical Error in Processing: {error_trace}")
        
        error_msg = f"""
        ### 🚨 Critical Error
        The workflow encountered an unexpected error.
        
        **Error Details:** `{str(e)}`
        
        *Your input has been preserved. Please try again or check your input format.*
        """
        
        # Return error state (no download button, preserve input)
        return content, iteration, error_msg, gr.DownloadButton(visible=False, value=None)

def validate_inputs(content: str, operation: str):
    """
    Gradio 6 Validator function.
    Runs immediately on the client side before queuing.
    """
    if not content or not content.strip():
        return [
            gr.validate(False, "Input cannot be empty. Please enter text or code to proceed.")
        ]
    return [gr.validate(True)] # Valid

# Gradio 6 Application
# NO parameters in gr.Blocks() constructor!
with gr.Blocks() as demo:
    
    # Professional Header
    gr.HTML("""
    <div style="text-align: center; padding: 20px; background: linear-gradient(90deg, #f0fdf4 0%, #ecfeff 100%); border-radius: 12px; margin-bottom: 25px; border: 1px solid #ccfbf1;">
        <h1 style="margin: 0; color: #0f172a; font-family: 'Inter', sans-serif;">🔄 Studio Workflow Engine</h1>
        <p style="margin: 10px 0 0 0; color: #64748b; font-size: 1.1em;">Professional Review, Revise, Refactor, and Iteration Tool</p>
        <div style="margin-top: 15px;">
            <a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank" 
               style="background-color: #10b981; color: white; padding: 8px 16px; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 0.9em; box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);">
                Built with anycoder
            </a>
        </div>
    </div>
    """)

    with gr.Sidebar(position="left", width=320):
        gr.Markdown("### 🛠️ Control Panel")
        
        with gr.Group():
            operation_mode = gr.Radio(
                choices=["Review", "Revise", "Refactor", "Iterate"],
                value="Review",
                label="Operation Mode",
                info="Select the workflow stage."
            )
        
        with gr.Accordion("⚙️ Advanced Settings", open=False):
            creativity = gr.Slider(
                minimum=0.0, 
                maximum=1.0, 
                value=0.5, 
                step=0.1, 
                label="Creativity Level",
                info="Simulates AI randomness"
            )
            iteration_state = gr.Number(value=0, label="Current Iteration", interactive=False)

        gr.Markdown("---")
        gr.Markdown("### 📚 Workflow Guide")
        gr.Markdown("""
        1. **Review**: Analyze syntax and structure.
        2. **Revise**: Improve phrasing and tone.
        3. **Refactor**: Optimize code structure.
        4. **Iterate**: Create a new version copy.
        """)

    with gr.Row():
        with gr.Column(scale=1):
            input_code = gr.Code(
                label="Input Source",
                language="python",
                placeholder="Paste your code or text here...",
                lines=20,
                show_label=True
            )
            
            with gr.Row():
                clear_btn = gr.Button("Clear Workspace", variant="secondary", scale=1, size="lg")
                run_btn = gr.Button("Execute Workflow", variant="primary", scale=2, size="lg")

            # Examples Section
            gr.Markdown("### 💡 Quick Start Examples")
            gr.Examples(
                examples=[
                    ["def hello():\n    print('Hello World')", "Review"],
                    ["this is a poorly written sentence. it needs help.", "Revise"],
                    ["var x = 10;\nvar y = 20;\nreturn x + y;", "Refactor"],
                ],
                inputs=[input_code, operation_mode],
                label="Try these samples:"
            )

        with gr.Column(scale=1):
            status_output = gr.Markdown(label="Process Log", value="*Ready to process...*")
            
            output_code = gr.Code(
                label="Result Output",
                language="python",
                lines=18,
                interactive=True
            )
            
            # Initialize download button as hidden
            download_btn = gr.DownloadButton(
                label="📥 Download Result",
                variant="secondary",
                visible=False,
                size="lg"
            )

    # Event Listeners using Gradio 6 syntax
    
    # 1. Main Execution Event
    # We attach the validator here to check inputs before running the heavy function
    run_btn.click(
        fn=simulate_processing,
        validator=validate_inputs,
        inputs=[input_code, operation_mode, iteration_state, creativity],
        outputs=[output_code, iteration_state, status_output, download_btn],
        api_visibility="public"
    )

    # 2. Clear Button Event
    clear_btn.click(
        fn=lambda: (
            "",  # input_code
            0,   # iteration_state
            "*Ready to process...*", # status_output
            gr.DownloadButton(visible=False, value=None), # download_btn
            "Review", # operation_mode
            0.5 # creativity
        ),
        inputs=None,
        outputs=[input_code, iteration_state, status_output, download_btn, operation_mode, creativity],
        api_visibility="private"
    )

    # NOTE: Removed output_code.change listener to prevent file generation loops/locks.
    # The download button is now exclusively updated by the Execute Workflow button.

# Gradio 6 Launch Configuration
# ALL app-level parameters (theme, css, etc.) go here!
demo.launch(
    theme=gr.themes.Soft(
        primary_hue="emerald",
        secondary_hue="teal",
        neutral_hue="slate",
        font=gr.themes.GoogleFont("Inter"),
        text_size="md",
        spacing_size="lg",
        radius_size="md"
    ).set(
        button_primary_background_fill="*primary_600",
        button_primary_background_fill_hover="*primary_700",
        button_primary_text_color="white",
        button_secondary_background_fill="*neutral_100",
        block_border_width="1px",
        block_border_color="*neutral_200",
        body_background_fill="*background_fill_primary",
        shadow_drop="lg",
    ),
    footer_links=[
        {"label": "Documentation", "url": "https://www.gradio.app/docs"},
        {"label": "GitHub", "url": "https://github.com/gradio-app/gradio"},
        {"label": "Built with anycoder", "url": "https://huggingface.co/spaces/akhaliq/anycoder"}
    ],
    head="""
    <style>
        .gradio-container {
            max-width: 1400px !important;
        }
    </style>
    """
)

	import gradio as gr
	import random
	import time
	from datetime import datetime
	import tempfile
	import os
	import traceback

	def safe_write_temp_file(content: str, suffix: str = ".txt") -> str \| None:
	"""
	Safely writes content to a temporary file.
	Returns the file path if successful, None otherwise.
	"""
	try:
	# Create a temp file that persists after closing (delete=False)
	# We use a try/finally block to ensure we close the file handle
	# before returning the path, preventing OS locking errors.
	temp_file = tempfile.NamedTemporaryFile(mode='w', delete=False, suffix=suffix)
	temp_file.write(content)
	temp_file.close()
	return temp_file.name
	except IOError as e:
	print(f"File System Error: {e}")
	return None
	except Exception as e:
	print(f"Unexpected File Error: {e}")
	return None

	def simulate_processing(
	content: str,
	operation: str,
	iteration: int,
	creativity_level: float
	) -> tuple[str, int, str, gr.DownloadButton \| None]:
	"""
	Simulates a Review, Revise, Refactor, and Iterate workflow.
	Includes comprehensive error handling.
	"""
	# 1. Initial Validation (Double check, though validator handles the first pass)
	if content is None:
	return "", 0, "⚠️ Error: No input detected.", None

	try:
	# Simulate processing time based on creativity level
	# Capped to prevent excessive waiting
	delay = min(0.3 + (creativity_level * 0.5), 2.0)
	time.sleep(delay)

	result = content
	status_msg = ""
	download_filename = None

	# Generate a timestamp for logs
	timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")

	if operation == "Review":
	status_msg = f"""
	### ✅ Review Complete
	- Status: Pass
	- Time: {timestamp}
	- Analysis: Syntax looks valid.
	- Suggestion: Consider adding docstrings and type hints for better maintainability.
	"""
	result = f"# REVIEW LOG [{timestamp}]\n# Status: Pass\n# Note: Code structure is solid.\n\n{content}"
	download_filename = "review_log.py"

	elif operation == "Revise":
	status_msg = """
	### ✍️ Revision Complete
	- Tone: Professional
	- Grammar: Corrected
	- Flow: Optimized
	"""
	# Logic: Ensure we handle string operations safely
	sentences = content.split('. ')
	revised = '. '.join([s.strip().capitalize() for s in sentences if s.strip()])
	result = revised if revised else content
	download_filename = "revised_text.txt"

	elif operation == "Refactor":
	status_msg = """
	### ⚙️ Refactoring Complete
	- Optimization: Applied
	- Complexity: Reduced
	- Style: PEP8 Compliant
	"""
	# Logic: Safe string replacement
	result = content.replace("var ", "let ").replace(" ", " ")
	result = f"# REFACTORED VERSION [{timestamp}]\n# Optimized for performance\n{result}"
	download_filename = "refactored_code.py"

	elif operation == "Iterate":
	iteration += 1
	status_msg = f"""
	### 🚀 Iteration {iteration} Generated
	- Creativity Level: {creativity_level:.2f}
	- Action: Created new version based on feedback.
	"""
	result = f"# --- ITERATION {iteration} ---\n# Generated at {timestamp}\n# Creativity: {creativity_level}\n{content}"
	download_filename = f"iteration_{iteration}.py"

	# 2. File Generation with Error Handling
	temp_file_path = None
	if result:
	temp_file_path = safe_write_temp_file(result, ".txt")

	if not temp_file_path:
	# If file write failed, warn the user but don't crash the whole app
	status_msg += "\n\n⚠️ Warning: Could not generate download file due to a system error."

	# 3. Return success state
	# We return an updated DownloadButton component
	return result, iteration, status_msg, gr.DownloadButton(value=temp_file_path, visible=True)

	except Exception as e:
	# 4. Global Exception Catch
	# This catches any unexpected crashes in the logic above
	error_trace = traceback.format_exc()
	print(f"Critical Error in Processing: {error_trace}")

	error_msg = f"""
	### 🚨 Critical Error
	The workflow encountered an unexpected error.

	Error Details: `{str(e)}`

	Your input has been preserved. Please try again or check your input format.
	"""

	# Return error state (no download button, preserve input)
	return content, iteration, error_msg, gr.DownloadButton(visible=False, value=None)

	def validate_inputs(content: str, operation: str):
	"""
	Gradio 6 Validator function.
	Runs immediately on the client side before queuing.
	"""
	if not content or not content.strip():
	return [
	gr.validate(False, "Input cannot be empty. Please enter text or code to proceed.")
	]
	return [gr.validate(True)] # Valid

	# Gradio 6 Application
	# NO parameters in gr.Blocks() constructor!
	with gr.Blocks() as demo:

	# Professional Header
	gr.HTML("""
	<div style="text-align: center; padding: 20px; background: linear-gradient(90deg, #f0fdf4 0%, #ecfeff 100%); border-radius: 12px; margin-bottom: 25px; border: 1px solid #ccfbf1;">
	<h1 style="margin: 0; color: #0f172a; font-family: 'Inter', sans-serif;">🔄 Studio Workflow Engine</h1>
	<p style="margin: 10px 0 0 0; color: #64748b; font-size: 1.1em;">Professional Review, Revise, Refactor, and Iteration Tool</p>
	<div style="margin-top: 15px;">
	<a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank"
	style="background-color: #10b981; color: white; padding: 8px 16px; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 0.9em; box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);">
	Built with anycoder
	</a>
	</div>
	</div>
	""")

	with gr.Sidebar(position="left", width=320):
	gr.Markdown("### 🛠️ Control Panel")

	with gr.Group():
	operation_mode = gr.Radio(
	choices=["Review", "Revise", "Refactor", "Iterate"],
	value="Review",
	label="Operation Mode",
	info="Select the workflow stage."
	)

	with gr.Accordion("⚙️ Advanced Settings", open=False):
	creativity = gr.Slider(
	minimum=0.0,
	maximum=1.0,
	value=0.5,
	step=0.1,
	label="Creativity Level",
	info="Simulates AI randomness"
	)
	iteration_state = gr.Number(value=0, label="Current Iteration", interactive=False)

	gr.Markdown("---")
	gr.Markdown("### 📚 Workflow Guide")
	gr.Markdown("""
	1. Review: Analyze syntax and structure.
	2. Revise: Improve phrasing and tone.
	3. Refactor: Optimize code structure.
	4. Iterate: Create a new version copy.
	""")

	with gr.Row():
	with gr.Column(scale=1):
	input_code = gr.Code(
	label="Input Source",
	language="python",
	placeholder="Paste your code or text here...",
	lines=20,
	show_label=True
	)

	with gr.Row():
	clear_btn = gr.Button("Clear Workspace", variant="secondary", scale=1, size="lg")
	run_btn = gr.Button("Execute Workflow", variant="primary", scale=2, size="lg")

	# Examples Section
	gr.Markdown("### 💡 Quick Start Examples")
	gr.Examples(
	examples=[
	["def hello():\n print('Hello World')", "Review"],
	["this is a poorly written sentence. it needs help.", "Revise"],
	["var x = 10;\nvar y = 20;\nreturn x + y;", "Refactor"],
	],
	inputs=[input_code, operation_mode],
	label="Try these samples:"
	)

	with gr.Column(scale=1):
	status_output = gr.Markdown(label="Process Log", value="Ready to process...")

	output_code = gr.Code(
	label="Result Output",
	language="python",
	lines=18,
	interactive=True
	)

	# Initialize download button as hidden
	download_btn = gr.DownloadButton(
	label="📥 Download Result",
	variant="secondary",
	visible=False,
	size="lg"
	)

	# Event Listeners using Gradio 6 syntax

	# 1. Main Execution Event
	# We attach the validator here to check inputs before running the heavy function
	run_btn.click(
	fn=simulate_processing,
	validator=validate_inputs,
	inputs=[input_code, operation_mode, iteration_state, creativity],
	outputs=[output_code, iteration_state, status_output, download_btn],
	api_visibility="public"
	)

	# 2. Clear Button Event
	clear_btn.click(
	fn=lambda: (
	"", # input_code
	0, # iteration_state
	"Ready to process...", # status_output
	gr.DownloadButton(visible=False, value=None), # download_btn
	"Review", # operation_mode
	0.5 # creativity
	),
	inputs=None,
	outputs=[input_code, iteration_state, status_output, download_btn, operation_mode, creativity],
	api_visibility="private"
	)

	# NOTE: Removed output_code.change listener to prevent file generation loops/locks.
	# The download button is now exclusively updated by the Execute Workflow button.

	# Gradio 6 Launch Configuration
	# ALL app-level parameters (theme, css, etc.) go here!
	demo.launch(
	theme=gr.themes.Soft(
	primary_hue="emerald",
	secondary_hue="teal",
	neutral_hue="slate",
	font=gr.themes.GoogleFont("Inter"),
	text_size="md",
	spacing_size="lg",
	radius_size="md"
	).set(
	button_primary_background_fill="*primary_600",
	button_primary_background_fill_hover="*primary_700",
	button_primary_text_color="white",
	button_secondary_background_fill="*neutral_100",
	block_border_width="1px",
	block_border_color="*neutral_200",
	body_background_fill="*background_fill_primary",
	shadow_drop="lg",
	),
	footer_links=[
	{"label": "Documentation", "url": "https://www.gradio.app/docs"},
	{"label": "GitHub", "url": "https://github.com/gradio-app/gradio"},
	{"label": "Built with anycoder", "url": "https://huggingface.co/spaces/akhaliq/anycoder"}
	],
	head="""
	<style>
	.gradio-container {
	max-width: 1400px !important;
	}
	</style>
	"""
	)