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from dotenv import load_dotenv
import streamlit as st
import os
import google.generativeai as genai
import random
from streamlit import session_state as state
from formulas import email_formulas
from angles import angles
import re
import datetime
import PyPDF2
import docx
from PIL import Image
# Cargar las variables de entorno
load_dotenv()
# Configurar la API de Google
genai.configure(api_key=os.getenv("GOOGLE_API_KEY"))
# Fórmulas con ejemplos y explicaciones
# email_formulas dictionary has been moved to formulas/email_formulas.py
# Cambiar el nombre de la función
def generate_emails(target_audience, product, temperature, selected_formula, selected_angle, file_content="", image_parts=None, is_image=False, emotion="", desired_action="", creative_idea=""):
# Crear la configuración del modelo
generation_config = {
"temperature": temperature,
"top_p": 0.65,
"top_k": 360,
"max_output_tokens": 8196,
}
model = genai.GenerativeModel(
model_name="gemini-2.0-flash",
generation_config=generation_config,
)
# Definir las instrucciones de formato una sola vez
format_instructions = """
FORMAT RULES:
- Each email must start with "Correo 1", "Correo 2", etc.
- Each email must have a clear and attractive subject line
- The email body must be persuasive and emotional
- Include a clear call to action
- Add a professional signature
- Separate each email clearly
- Do not include greetings like 'Hello [Name]'
- Make sure that the postscripts (P.D.) are smaller and more discrete than the main body
- IMPORTANT: The first email must be an introduction without referencing any previous communications
- Emails 2-5 should build on the sequence in a logical progression
"""
# Incluir las instrucciones del sistema en el prompt principal
system_prompt = f"""You are a world-class direct response copywriter trained by Gary Halbert, Gary Bencivenga, and David Ogilvy.
You have helped many marketers before me persuade their clients through emotional email sequences.
Your task is to create a 5-email sequence that makes my [buyer persona] feel [emotion] about my [product/service] and convince them to register/take [desired action].
{format_instructions}
IMPORTANT:
- Each email must be unique and memorable
- Avoid clichés and generalities
- Maintain a persuasive but credible tone
- Adapt language to the target audience
- Focus on transformative benefits"""
# Iniciar el prompt con las instrucciones del sistema
email_instruction = f"{system_prompt}\n\n"
# Add instructions for using the enhanced formula structure
if hasattr(selected_formula, 'get') and selected_formula.get('subject_line_types') and selected_formula.get('email_structure_template'):
email_instruction += """
ENHANCED FORMULA STRUCTURE:
Use the following structure elements to create more effective emails:
SUBJECT LINE TYPES:
"""
# Add subject line types with descriptions
for subject_type, description in selected_formula.get('subject_line_types', {}).items():
email_instruction += f"- {subject_type}: {description}\n"
# Add technique types (either infotainment or nurturing)
technique_key = next((k for k in selected_formula.keys() if k.endswith('_techniques')), None)
if technique_key:
email_instruction += f"\n{technique_key.upper()}:\n"
for technique, description in selected_formula.get(technique_key, {}).items():
email_instruction += f"- {technique}: {description}\n"
# Add email structure template
email_instruction += "\nEMAIL STRUCTURE TEMPLATE:\n"
for email_num, structure in selected_formula.get('email_structure_template', {}).items():
email_instruction += f"\n{email_num.upper()}:\n"
email_instruction += f"- Purpose: {structure.get('purpose', '')}\n"
email_instruction += f"- Emotional Focus: {structure.get('emotional_focus', '')}\n"
# Add recommended subject types
if structure.get('recommended_subject_types'):
email_instruction += "- Recommended Subject Types: " + ", ".join(structure.get('recommended_subject_types', [])) + "\n"
# Add recommended techniques
if structure.get('recommended_techniques'):
email_instruction += "- Recommended Techniques: " + ", ".join(structure.get('recommended_techniques', [])) + "\n"
# Add key elements
if structure.get('key_elements'):
email_instruction += "- Key Elements:\n"
for element in structure.get('key_elements', []):
email_instruction += f" * {element}\n"
# Añadir instrucciones para la idea creativa si existe
if creative_idea:
email_instruction += f"""
CREATIVE CONCEPT:
Use the following creative concept as the central theme for all emails in the sequence:
"{creative_idea}"
CREATIVE CONCEPT INSTRUCTIONS:
1. This concept should be the unifying theme across all emails
2. Use it as a metaphor or analogy throughout the sequence
3. Develop different aspects of this concept in each email
4. Make sure the concept naturally connects to the product benefits
5. The concept should make the emails more memorable and engaging
"""
# Añadir contenido del archivo si existe
if file_content:
email_instruction += f"""
REFERENCE CONTENT:
Carefully analyze the following content as a reference for generating emails:
{file_content[:3000]}
ANALYSIS INSTRUCTIONS:
1. Extract key information about the product or service mentioned
2. Identify the tone, style, and language used
3. Detect any data about the target audience or customer avatar
4. Look for benefits, features, or pain points mentioned
5. Use relevant terms, phrases, or concepts from the content
6. Maintain consistency with the brand identity or main message
7. Adapt the emails to resonate with the provided content
IMPORTANT COMBINATIONS:
"""
# Updated conditions for specific input combinations
if product and not target_audience:
email_instruction += f"""- FILE + PRODUCT: You have a reference document and product ({product}). Create emails that highlight this specific product's benefits and features using insights from the document. Extract audience information from the document to better target the emails.
"""
elif target_audience and not product:
email_instruction += f"""- FILE + TARGET AUDIENCE: You have a reference document and target audience ({target_audience}). Create emails tailored to this specific audience using language and concepts from the document. Identify products or services from the document that would appeal to this audience.
"""
elif product and target_audience:
email_instruction += f"""- PRODUCT + TARGET AUDIENCE: You have both product ({product}) and target audience ({target_audience}). Create emails that connect this specific product with this specific audience, using insights from the document to strengthen the connection.
"""
email_instruction += """
IMPORTANT: Naturally integrate the elements found in the content with the selected formula and angle.
"""
# Preparar instrucciones específicas del ángulo una sola vez
angle_instructions = ""
if selected_angle != "NINGUNO":
angle_instructions = f"""
MAIN ANGLE: {selected_angle}
SPECIFIC ANGLE INSTRUCTIONS:
{angles[selected_angle]["instruction"]}
IMPORTANT: The angle {selected_angle} must be applied as a "style layer" over the formula structure:
1. Keep the base structure of the formula intact
2. Apply the tone and style of the {selected_angle} angle
3. Ensure each element of the formula reflects the angle
4. The angle affects "how" it's said, not "what" is said
SUCCESSFUL EXAMPLES OF THE {selected_angle} ANGLE:
"""
for example in angles[selected_angle]["examples"]:
angle_instructions += f"- {example}\n"
# Añadir las instrucciones del ángulo al prompt principal
email_instruction += angle_instructions
# Dentro de la función, actualizar el prompt para incluir emoción y acción deseada
email_instruction += (
f"\nYour task is to create 5 persuasive emails for {target_audience} "
f"that evoke {emotion} and convince them to {desired_action} about {product}. "
)
# Usar la variable angle_instructions para determinar si hay un ángulo seleccionado
if angle_instructions:
email_instruction += f"IMPORTANT: Each email MUST follow the {selected_angle} angle clearly and consistently."
email_instruction += "\n\n"
# Take the first 5 examples (or all if less than 5) in order
sequential_examples = selected_formula['examples'][:min(5, len(selected_formula['examples']))]
email_instruction += "FORMULA EXAMPLES TO FOLLOW:\n"
for i, example in enumerate(sequential_examples, 1):
email_instruction += f"{i}. {example}\n"
# Añadir instrucciones específicas sobre cómo seguir los ejemplos
email_instruction += "\nSPECIFIC INSTRUCTIONS:\n"
email_instruction += "1. Maintain the same structure and length as the previous examples\n"
email_instruction += "2. Use the same tone and writing style\n"
email_instruction += "3. Replicate the phrase construction patterns\n"
email_instruction += "4. Preserve the level of specificity and detail\n"
email_instruction += f"5. Adapt the content for {target_audience} while maintaining the essence of the examples\n\n"
# Añadir instrucciones específicas sobre la temperatura creativa
email_instruction += f"\nCREATIVITY LEVEL: {temperature}. Higher values mean more creative and original content.\n\n"
email_instruction += f"FORMULA TO FOLLOW:\n{selected_formula['description']}\n\n"
# Consolidar las instrucciones finales en un solo bloque
final_reminder = ["Follow the structure of the selected formula"]
# Add angle-specific instructions only if an angle is selected
if selected_angle != "NINGUNO":
final_reminder.extend([
"Apply the angle as a 'style layer'",
"Maintain coherence between formula and angle",
"Ensure each email reflects both elements"
])
email_instruction += "\nFINAL REMINDER:\n"
for i, reminder in enumerate(final_reminder, 1):
email_instruction += f"{i}. {reminder}\n"
email_instruction += "\nGENERATE NOW:\nCreate 5 emails that faithfully follow the style and structure of the examples shown.\n"
# Modificar la forma de enviar el mensaje según si hay imagen o no
message_parts = [email_instruction]
# Build instruction text more clearly with conditional components
instruction_components = ["Generate the emails in Spanish following exactly the style and structure of the examples shown."]
# Add the image to the message parts if it exists
if is_image and image_parts:
message_parts.append(image_parts)
instruction_components.append("drawing inspiration from the provided image.")
# Add final instruction
instruction_components.append("Do not include explanations, only the emails.")
# Join all instruction components with proper spacing
instruction_text = " ".join(instruction_components)
# Create the chat session with the message parts
try:
chat_session = model.start_chat(
history=[
{
"role": "user",
"parts": message_parts,
},
]
)
# Enviar el mensaje con las instrucciones
response = chat_session.send_message(instruction_text)
return response.text
except genai.types.generation_types.StopCandidateException as e:
# Handle content filtering/safety issues
error_message = f"La generación se detuvo debido a restricciones de contenido: {str(e)}"
st.error(error_message)
return f"Error: {error_message}"
except genai.types.generation_types.BlockedPromptException as e:
# Handle blocked prompt issues
error_message = f"El prompt fue bloqueado por políticas de contenido: {str(e)}"
st.error(error_message)
return f"Error: {error_message}"
except Exception as e:
# Handle general API errors
error_message = f"Error al comunicarse con la API de Google: {str(e)}"
st.error(error_message)
return f"Error: {error_message}"
# Define the clean_response_text function before it's used
def clean_response_text(text):
"""Remove extra spaces and normalize whitespace in the response text"""
# Replace multiple newlines with just two
text = re.sub(r'\n{3,}', '\n\n', text)
# Remove leading/trailing whitespace
text = text.strip()
return text
# Configurar la interfaz de usuario con Streamlit
st.set_page_config(
page_title="Email Composer",
layout="wide",
menu_items={}, # Empty dict removes the three-dot menu
initial_sidebar_state="expanded"
)
# Add custom CSS to reduce margins
st.markdown("""
<style>
.main > div {
padding-top: 1rem;
}
</style>
""", unsafe_allow_html=True)
# Leer el contenido del archivo manual.md
manual_path = "manual.md"
if os.path.exists(manual_path):
with open(manual_path, "r", encoding="utf-8") as file:
manual_content = file.read()
# Mostrar el contenido del manual en el sidebar
st.sidebar.markdown(manual_content)
else:
st.sidebar.warning("Manual file not found.")
# Load CSS from file
css_path = "styles/main.css"
if os.path.exists(css_path):
with open(css_path, "r") as f:
css = f.read()
# Apply the CSS
st.markdown(f"<style>{css}</style>", unsafe_allow_html=True)
else:
st.warning("CSS file not found.")
# Centrar el título y el subtítulo
st.markdown("<h1 style='text-align: center;'>Generador de Emails</h1>", unsafe_allow_html=True)
st.markdown("<h4 style='text-align: center;'>Transforma tu marketing con emails persuasivos que convierten. Esta aplicación es tu arma secreta para crear emails emocionales de respuesta directa que impulsan a la acción.</h4>", unsafe_allow_html=True)
# Crear columnas
col1, col2 = st.columns([1, 2])
# Initialize these variables at the top level before the UI components
file_content = ""
is_image = False
image_parts = None
# Columnas de entrada
with col1:
target_audience = st.text_input("¿Quién es tu público objetivo?", placeholder="Ejemplo: Estudiantes Universitarios")
product = st.text_input("¿Qué producto/servicio estás promocionando?", placeholder="Ejemplo: Curso de Inglés")
# Move "Acción deseada" outside the accordion
desired_action = st.text_input("Acción deseada", placeholder="Ejemplo: Registrarse para una prueba gratuita")
# Move formula selection here, right after desired action
selected_formula_key = st.selectbox(
"Selecciona una fórmula para tus emails",
options=list(email_formulas.email_formulas.keys()),
key="formula_selectbox" # Add a unique key
)
# Only one submit button with a unique key
submit = st.button("Generar Emails", key="generate_emails_button")
# Crear un único acordeón para fórmula, creatividad y ángulo
with st.expander("Personaliza tus emails"):
# 1. Idea Creativa al principio con altura de 70px
creative_idea = st.text_area("Idea Creativa", placeholder="Ejemplo: Tu curso es como Netflix: ofrece contenido que engancha y soluciones que la gente realmente quiere ver", height=70)
# 2. Lo demás (cargador de archivos)
uploaded_file = st.file_uploader("📄 Archivo o imagen de referencia",
type=['txt', 'pdf', 'docx', 'jpg', 'jpeg', 'png'])
file_content = ""
is_image = False
image_parts = None
if uploaded_file is not None:
# El código para manejar archivos permanece igual
file_type = uploaded_file.name.split('.')[-1].lower()
# Manejar archivos de texto
if file_type in ['txt', 'pdf', 'docx']:
# El código para manejar archivos de texto permanece igual
# ...
if file_type == 'txt':
try:
file_content = uploaded_file.read().decode('utf-8')
st.success(f"Archivo TXT cargado correctamente: {uploaded_file.name}")
except Exception as e:
st.error(f"Error al leer el archivo TXT: {str(e)}")
file_content = ""
elif file_type == 'pdf':
try:
import PyPDF2
pdf_reader = PyPDF2.PdfReader(uploaded_file)
file_content = ""
for page in pdf_reader.pages:
file_content += page.extract_text() + "\n"
st.success(f"Archivo PDF cargado correctamente: {uploaded_file.name}")
except Exception as e:
st.error(f"Error al leer el archivo PDF: {str(e)}")
file_content = ""
elif file_type == 'docx':
try:
import docx
doc = docx.Document(uploaded_file)
file_content = "\n".join([para.text for para in doc.paragraphs])
st.success(f"Archivo DOCX cargado correctamente: {uploaded_file.name}")
except Exception as e:
st.error(f"Error al leer el archivo DOCX: {str(e)}")
file_content = ""
# Manejar archivos de imagen
elif file_type in ['jpg', 'jpeg', 'png']:
try:
from PIL import Image
image = Image.open(uploaded_file)
image_bytes = uploaded_file.getvalue()
image_parts = {
"mime_type": uploaded_file.type,
"data": image_bytes
}
is_image = True
st.image(image, caption="Imagen cargada", use_column_width=True)
except Exception as e:
st.error(f"Error processing image: {str(e)}")
is_image = False
# 4. Ángulo
angle_keys = ["NINGUNO"] + sorted([key for key in angles.keys() if key != "NINGUNO"])
selected_angle = st.selectbox(
"Selecciona un ángulo para tus emails",
options=angle_keys,
key="angle_selectbox" # Add a unique key
)
# 5. Emoción
emotion = st.selectbox(
"¿Qué emoción quieres evocar?",
options=["Curiosidad", "Miedo", "Esperanza", "Entusiasmo", "Confianza", "Urgencia"],
key="emotion_selectbox" # Add a unique key
)
# 6. Creatividad (slider)
temperature = st.slider("Creatividad", min_value=0.0, max_value=2.0, value=1.0, step=0.1)
selected_formula = email_formulas.email_formulas[selected_formula_key] # Updated reference
# Removed the submit button from here
# Define a function to validate inputs
def validate_inputs(file_content, product, target_audience, emotion, desired_action):
"""
Validates input combinations and returns a tuple of (is_valid, error_message)
"""
has_file = file_content.strip() != "" if file_content else False
has_product = product.strip() != ""
has_audience = target_audience.strip() != ""
has_emotion = emotion.strip() != "" if emotion else False
has_action = desired_action.strip() != "" if desired_action else False
# Check for valid combinations
if has_file and has_product:
return True, "" # File + Product is valid
elif has_file and has_audience:
return True, "" # File + Audience is valid
elif has_product and has_audience and has_emotion and has_action:
return True, "" # Product + Audience + Emotion + Action is valid
# If we get here, no valid combination was found
if not (has_emotion and has_action):
return False, "Por favor especifica la emoción que quieres evocar y la acción deseada."
else:
return False, "Por favor proporciona al menos una de estas combinaciones: archivo + producto, archivo + público objetivo, o producto + público objetivo + emoción + acción deseada."
# Mostrar los emails generados
if submit:
# Validate inputs using the new function
is_valid, error_message = validate_inputs(
file_content,
product,
target_audience,
emotion,
desired_action
)
if is_valid and selected_formula:
try:
# Use spinner within col2 context
with col2:
with st.spinner("Creando los emails..."):
# Update the function call to include creative_idea
generated_emails = generate_emails(
target_audience,
product,
temperature,
selected_formula,
selected_angle,
file_content,
image_parts,
is_image,
emotion,
desired_action,
creative_idea # Add the creative idea parameter
)
# Check if the response starts with "Error:"
if generated_emails.startswith("Error:"):
st.error(generated_emails)
else:
# Clean the response text to remove extra spaces
generated_emails = clean_response_text(generated_emails)
# Get current timestamp for the filename
timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
# Add a download button ABOVE the results
st.download_button(
label="DESCARGAR EMAILS",
data=generated_emails,
file_name=f"emails_persuasivos_{timestamp}.txt",
mime="text/plain",
key="download_top" # Unique key for the top button
)
# Display the generated emails in col2 (still within col2 context)
st.markdown(f"""
<div class="results-container">
<h4>Tus emails persuasivos:</h4>
<p>{generated_emails}</p>
</div>
""", unsafe_allow_html=True)
# Download button at the bottom (same as before but with a different key)
st.download_button(
label="DESCARGAR EMAILS",
data=generated_emails,
file_name=f"emails_persuasivos_{timestamp}.txt",
mime="text/plain",
key="download_bottom" # Unique key for the bottom button
)
except Exception as e:
col2.error(f"Error: {str(e)}")
else:
if not selected_formula:
col2.error("Por favor selecciona una fórmula.")
else:
col2.error(error_message)
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