commit inicial

info.txt

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+contactos_app/
+├── main.py
+├── database/
+│   └── contactos.db
+├── styles/
+│   ├── light.qss
+│   └── dark.qss
+├── icons/
+│   └── app.ico
+└── requirements.txt
+
+
+🏁 Empaquetado listo
+Windows
+pyinstaller --onefile --windowed main.py
+
+Linux (AppImage)
+pyinstaller --onefile main.py
+linuxdeploy --appdir AppDir --output appimage

main.py

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+import sys
+import os
+from PySide6.QtWidgets import (
+    QApplication, QWidget, QVBoxLayout, QLineEdit,
+    QTableView, QHBoxLayout, QPushButton, QLabel, QHeaderView
+)
+from PySide6.QtCore import Qt
+from PySide6.QtSql import QSqlDatabase, QSqlTableModel
+from PySide6.QtCore import QSortFilterProxyModel
+
+class ContactosApp(QWidget):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Contactos")
+        self.setMinimumSize(600, 400)
+        # self.setWindowIcon(os.path.join("icons", "app.ico"))
+
+        # Layout principal
+        main_layout = QVBoxLayout()
+        self.setLayout(main_layout)
+
+        # Header con título y switch claro/oscuro
+        header_layout = QHBoxLayout()
+        title = QLabel("📇 Contactos")
+        title.setStyleSheet("font-weight: bold; font-size: 16px;")
+        header_layout.addWidget(title)
+
+        self.theme_btn = QPushButton("🌗 Modo oscuro")
+        self.theme_btn.setCheckable(True)
+        self.theme_btn.clicked.connect(self.toggle_theme)
+        header_layout.addStretch()
+        header_layout.addWidget(self.theme_btn)
+        main_layout.addLayout(header_layout)
+
+        # Buscador
+        self.search_input = QLineEdit()
+        self.search_input.setPlaceholderText("🔍 Buscar por nombre…")
+        self.search_input.textChanged.connect(self.buscar)
+        main_layout.addWidget(self.search_input)
+
+        # Tabla de contactos
+        self.table = QTableView()
+        main_layout.addWidget(self.table)
+
+        # Conexión a DB SQLite
+        db_path = os.path.join("database", "contactos.db")
+        self.db = QSqlDatabase.addDatabase("QSQLITE")
+        self.db.setDatabaseName(db_path)
+        if not self.db.open():
+            raise Exception("No se pudo abrir la base de datos")
+
+        # Modelo y proxy para búsqueda
+        self.model = QSqlTableModel(db=self.db)
+        self.model.setTable("contactos")
+        self.model.select()
+
+        # Encabezados más amigables
+        self.model.setHeaderData(1, Qt.Horizontal, "Nombre")
+        self.model.setHeaderData(2, Qt.Horizontal, "Teléfono")
+        self.model.setHeaderData(3, Qt.Horizontal, "Tel. corto")
+        self.model.setHeaderData(4, Qt.Horizontal, "Email")
+
+        self.proxy = QSortFilterProxyModel()
+        self.proxy.setSourceModel(self.model)
+        self.proxy.setFilterKeyColumn(1)  # Solo nombre
+        self.proxy.setFilterCaseSensitivity(Qt.CaseInsensitive)
+
+        self.table.setModel(self.proxy)
+        self.table.hideColumn(0)
+        self.table.setEditTriggers(QTableView.NoEditTriggers)
+        self.table.setSelectionBehavior(QTableView.SelectRows)
+        self.table.setSelectionMode(QTableView.SingleSelection)
+
+        self.table.setAlternatingRowColors(True)
+
+        header = self.table.horizontalHeader()
+        header.setSectionResizeMode(QHeaderView.Interactive)
+        header.setSectionResizeMode(1, QHeaderView.Stretch)  # Nombre
+        header.setSectionResizeMode(4, QHeaderView.Stretch)  # Email
+
+        # self.table.resizeColumnsToContents()
+        # self.table.setColumnWidth(1, 200)  # Nombre
+        # self.table.setColumnWidth(2, 120)  # Teléfono
+        # self.table.setColumnWidth(3, 80)   # Tel. corto
+        # self.table.setColumnWidth(4, 250)  # Email
+
+        self.table.keyPressEvent = lambda event: (
+            self.copiar_fila()
+            if event.matches(QKeySequence.Copy)
+            else QTableView.keyPressEvent(self.table, event)
+        )
+
+        # Aplicar tema claro por defecto
+        self.aplicar_tema("light")
+
+    def buscar(self, texto):
+        # self.proxy.setFilterFixedString(texto)   #coincidencias exactas
+        self.proxy.setFilterRegularExpression(texto)  #buscar tipo %like%
+
+    def toggle_theme(self):
+        if self.theme_btn.isChecked():
+            self.aplicar_tema("dark")
+            self.theme_btn.setText("🌞 Modo claro")
+        else:
+            self.aplicar_tema("light")
+            self.theme_btn.setText("🌗 Modo oscuro")
+
+    def aplicar_tema(self, modo):
+        qss_path = os.path.join("styles", f"{modo}.qss")
+        if os.path.exists(qss_path):
+            with open(qss_path, "r") as f:
+                self.setStyleSheet(f.read())
+
+    def copiar_fila(self):
+        selection = self.table.selectionModel().selectedRows()
+        if not selection:
+            return
+
+        row = selection[0].row()
+        columnas = self.proxy.columnCount()
+
+        datos = []
+        for col in range(columnas):
+            if self.table.isColumnHidden(col):
+                continue
+            index = self.proxy.index(row, col)
+            datos.append(str(self.proxy.data(index)))
+
+        texto = " | ".join(datos)
+        QApplication.clipboard().setText(texto)
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    ventana = ContactosApp()
+    ventana.show()
+    sys.exit(app.exec())

requirements.txt

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+PySide6>=6.6

styles/dark.qss

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+QWidget {
+    background-color: #121212;
+    color: #e0e0e0;
+    font-size: 13px;
+}
+
+QLineEdit {
+    background-color: #1e1e1e;
+    border: 1px solid #333;
+    padding: 6px;
+    border-radius: 6px;
+}
+
+QTableView {
+    background-color: #1e1e1e;
+    gridline-color: #333;
+    selection-background-color: #2d89ef;
+}
+
+QHeaderView::section {
+    background-color: #2b2b2b;
+    padding: 6px;
+    border: none;
+    font-weight: bold;
+}
+
+QPushButton {
+    padding: 4px 8px;
+}

styles/light.qss

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+QWidget {
+    background-color: #f0f0f0;
+    color: #1e1e1e;
+    font-size: 13px;
+}
+
+QLineEdit {
+    background-color: #ffffff;
+    border: 1px solid #ccc;
+    padding: 6px;
+    border-radius: 6px;
+}
+
+QTableView {
+    background-color: #ffffff;
+    gridline-color: #ddd;
+    selection-background-color: #2d89ef;
+}
+
+QHeaderView::section {
+    background-color: #e0e0e0;
+    padding: 6px;
+    border: none;
+    font-weight: bold;
+}
+
+QPushButton {
+    padding: 4px 8px;
+}