SXXXXXXX_GitUtility/GitTool.py
2025-04-07 10:36:40 +02:00

751 lines
39 KiB
Python

# GitTool.py
import os
import shutil
import datetime
import tkinter as tk
from tkinter import messagebox # Keep messagebox import here
# No need for configparser here if all access is via ConfigManager
import logging
# Import application modules
# Import specific constants if needed directly, otherwise access via instances
from config_manager import ConfigManager, DEFAULT_PROFILE, DEFAULT_BACKUP_DIR# DEFAULT_BACKUP_DIR accessed via config_manager
from git_commands import GitCommands, GitCommandError
from logger_config import setup_logger # TextHandler is used internally
from gui import MainFrame
# Constants for the application logic (if any) can go here
# GUI related constants like colors are better placed in gui.py
class GitSvnSyncApp:
"""
Main application class for the Git SVN Sync Tool.
Coordinates the GUI, configuration loading/saving, and Git command execution.
Acts as the controller in a Model-View-Controller like pattern.
"""
def __init__(self, master):
"""
Initializes the GitSvnSyncApp.
Args:
master (tk.Tk): The main Tkinter root window.
"""
self.master = master
master.title("Git SVN Sync Tool")
# Handle window close event gracefully
master.protocol("WM_DELETE_WINDOW", self.on_closing)
# --- Early Logger Setup (Basic) ---
# Configure basic logging first in case setup_logger has issues
logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
# Get the application-specific logger instance
self.logger = logging.getLogger("GitSvnSyncApp") # Use the name defined in logger_config
# --- Configuration Manager ---
# Initialize ConfigManager (passes its own logger reference initially)
try:
self.config_manager = ConfigManager(self.logger)
except Exception as e:
self.logger.critical(f"Failed to initialize ConfigManager: {e}", exc_info=True)
self.show_fatal_error(f"Failed to load or create configuration file.\n{e}\nApplication cannot continue.")
master.destroy() # Close the application
return # Stop initialization
# --- GUI Main Frame ---
# Create the main GUI frame, passing required callbacks and initial data
try:
self.main_frame = MainFrame(
master,
load_profile_settings_cb=self.load_profile_settings,
browse_folder_cb=self.browse_folder, # Re-usable callback
update_svn_status_cb=self.update_svn_status_indicator, # Specific callback for status
prepare_svn_for_git_cb=self.prepare_svn_for_git,
create_git_bundle_cb=self.create_git_bundle,
fetch_from_git_bundle_cb=self.fetch_from_git_bundle,
config_manager_instance=self.config_manager, # Pass instance for defaults etc.
profile_sections_list=self.config_manager.get_profile_sections(), # Initial profiles
add_profile_cb=self.add_profile,
remove_profile_cb=self.remove_profile
)
except Exception as e:
self.logger.critical(f"Failed to initialize MainFrame GUI: {e}", exc_info=True)
self.show_fatal_error(f"Failed to create the main application window.\n{e}\nApplication cannot continue.")
master.destroy()
return
# --- Enhanced Logger Setup ---
# Now that the GUI log widget exists, configure the full logger
self.logger = setup_logger(self.main_frame.log_text)
# Update ConfigManager's logger instance if setup_logger created a new one (though getLogger should return the same)
self.config_manager.logger = self.logger
# --- Git Commands Handler ---
# Initialize GitCommands (now decoupled from GUI widgets)
# It only needs the logger instance.
self.git_commands = GitCommands(self.logger)
# --- Initial Application State ---
self.logger.info("Application initializing...")
# Load settings for the initially selected profile (triggered by MainFrame init -> profile_var trace)
# We might need an explicit initial load if the trace doesn't fire immediately or correctly
initial_profile = self.main_frame.profile_var.get()
if initial_profile:
self.logger.debug(f"Initial profile selected: '{initial_profile}'. Loading settings...")
# load_profile_settings should be called automatically via trace, but call explicitly if needed:
# self.load_profile_settings(initial_profile) # Usually not needed due to trace
else:
self.logger.warning("No profile selected on startup. Disabling action buttons.")
self._clear_and_disable_fields() # Clear fields and disable buttons
self.logger.info("Application started successfully.")
def on_closing(self):
"""Handles the event when the user tries to close the window."""
self.logger.info("Close button clicked. Checking for unsaved changes or performing cleanup...")
# Optional: Add logic here to check for unsaved settings or running operations
# if self.has_unsaved_changes(): # Example check
# if messagebox.askyesno("Exit", "You have unsaved settings. Save before exiting?", parent=self.master):
# self.save_profile_settings() # Save if user confirms
# else:
# # User chose not to save, proceed with closing
# pass
# elif self.is_operation_running(): # Example check
# if not messagebox.askyesno("Exit", "An operation might be running. Exit anyway?", parent=self.master):
# return # Abort closing
self.logger.info("Application closing.")
self.master.destroy() # Close the Tkinter window
# --- Profile Management Callbacks/Methods ---
def load_profile_settings(self, profile_name):
"""Loads settings for the specified profile into the GUI fields."""
self.logger.info(f"Loading settings for profile: '{profile_name}'")
if not profile_name:
self.logger.warning("Attempted to load settings with no profile selected.")
self._clear_and_disable_fields()
return
if profile_name not in self.config_manager.get_profile_sections():
self.logger.error(f"Profile '{profile_name}' not found in configuration. Cannot load settings.")
self.main_frame.show_error("Profile Error", f"Profile '{profile_name}' not found.")
self._clear_and_disable_fields()
return
# Load Repository settings using ConfigManager
svn_path = self.config_manager.get_profile_option(profile_name, "svn_working_copy_path", fallback="")
usb_path = self.config_manager.get_profile_option(profile_name, "usb_drive_path", fallback="")
bundle_name = self.config_manager.get_profile_option(profile_name, "bundle_name", fallback="")
bundle_updated_name = self.config_manager.get_profile_option(profile_name, "bundle_name_updated", fallback="")
autocommit_str = self.config_manager.get_profile_option(profile_name, "autocommit", fallback="False")
# Load Backup settings using ConfigManager
autobackup_str = self.config_manager.get_profile_option(profile_name, "autobackup", fallback="False")
# Use the centrally defined DEFAULT_BACKUP_DIR as the ultimate fallback via ConfigManager
backup_dir = self.config_manager.get_profile_option(profile_name, "backup_dir", fallback=DEFAULT_BACKUP_DIR)
# Update GUI Elements (check if main_frame exists)
if hasattr(self, 'main_frame'):
# Repository Frame
self.main_frame.svn_path_entry.delete(0, tk.END)
self.main_frame.svn_path_entry.insert(0, svn_path)
self.main_frame.usb_path_entry.delete(0, tk.END)
self.main_frame.usb_path_entry.insert(0, usb_path)
self.main_frame.bundle_name_entry.delete(0, tk.END)
self.main_frame.bundle_name_entry.insert(0, bundle_name)
self.main_frame.bundle_updated_name_entry.delete(0, tk.END)
self.main_frame.bundle_updated_name_entry.insert(0, bundle_updated_name)
self.main_frame.autocommit_var.set(autocommit_str.lower() == "true")
# Backup Frame
self.main_frame.autobackup_var.set(autobackup_str.lower() == "true")
self.main_frame.backup_dir_var.set(backup_dir)
self.main_frame.toggle_backup_dir() # Update backup dir entry state
# Update SVN status indicator based on the loaded path
self.update_svn_status_indicator(svn_path)
# Enable function buttons now that a valid profile is loaded
self._enable_function_buttons()
self.logger.info(f"Settings loaded successfully for profile '{profile_name}'.")
else:
self.logger.error("Main frame not available, cannot load settings into GUI.")
def save_profile_settings(self):
"""Saves the current GUI field values to the currently selected profile."""
profile = self.main_frame.profile_var.get()
if not profile:
self.logger.warning("No profile selected. Cannot save settings.")
# Optionally show error: self.main_frame.show_error("Save Error", "No profile selected.")
return False # Indicate failure
self.logger.info(f"Saving settings for profile: '{profile}'")
try:
# Save Repository settings
self.config_manager.set_profile_option(profile, "svn_working_copy_path", self.main_frame.svn_path_entry.get())
self.config_manager.set_profile_option(profile, "usb_drive_path", self.main_frame.usb_path_entry.get())
self.config_manager.set_profile_option(profile, "bundle_name", self.main_frame.bundle_name_entry.get())
self.config_manager.set_profile_option(profile, "bundle_name_updated", self.main_frame.bundle_updated_name_entry.get())
self.config_manager.set_profile_option(profile, "autocommit", str(self.main_frame.autocommit_var.get()))
# Save Backup settings
self.config_manager.set_profile_option(profile, "autobackup", str(self.main_frame.autobackup_var.get()))
self.config_manager.set_profile_option(profile, "backup_dir", self.main_frame.backup_dir_var.get())
# Persist changes to the configuration file
self.config_manager.save_config()
self.logger.info(f"Profile settings for '{profile}' saved successfully.")
return True # Indicate success
except Exception as e:
self.logger.error(f"Error saving settings for profile '{profile}': {e}", exc_info=True)
self.main_frame.show_error("Save Error", f"Failed to save settings for profile '{profile}'.\n{e}")
return False # Indicate failure
def add_profile(self):
"""Handles adding a new profile."""
self.logger.debug("'Add Profile' button clicked.")
new_profile_name = self.main_frame.ask_new_profile_name() # Get name from GUI dialog
if not new_profile_name:
self.logger.info("Profile addition cancelled by user.")
return
new_profile_name = new_profile_name.strip() # Remove leading/trailing whitespace
if not new_profile_name:
self.logger.warning("Attempted to add profile with empty name.")
self.main_frame.show_error("Error", "Profile name cannot be empty.")
return
if new_profile_name in self.config_manager.get_profile_sections():
self.logger.warning(f"Attempted to add existing profile name: '{new_profile_name}'")
self.main_frame.show_error("Error", f"Profile name '{new_profile_name}' already exists.")
return
self.logger.info(f"Adding new profile: '{new_profile_name}'")
try:
# Add section and set default options using ConfigManager
# ConfigManager.set_profile_option automatically adds the section if it doesn't exist
self.config_manager.set_profile_option(new_profile_name, "svn_working_copy_path", "")
self.config_manager.set_profile_option(new_profile_name, "usb_drive_path", "")
# Use profile name in default bundle names for clarity
self.config_manager.set_profile_option(new_profile_name, "bundle_name", f"{new_profile_name}_repo.bundle")
self.config_manager.set_profile_option(new_profile_name, "bundle_name_updated", f"{new_profile_name}_update.bundle")
self.config_manager.set_profile_option(new_profile_name, "autobackup", "False")
# Use the central default backup dir constant via ConfigManager's internal logic if needed, or set explicitly
self.config_manager.set_profile_option(new_profile_name, "backup_dir", DEFAULT_BACKUP_DIR)
self.config_manager.set_profile_option(new_profile_name, "autocommit", "False")
# Save the configuration file with the new profile
self.config_manager.save_config()
# Update GUI dropdown
updated_sections = self.config_manager.get_profile_sections()
self.main_frame.update_profile_dropdown(updated_sections)
# Automatically select the newly added profile
self.main_frame.profile_var.set(new_profile_name)
# Loading settings for the new profile will be triggered by the profile_var trace
self.logger.info(f"Profile '{new_profile_name}' added successfully.")
except Exception as e:
self.logger.error(f"Error adding profile '{new_profile_name}': {e}", exc_info=True)
self.main_frame.show_error("Error", f"Failed to add profile '{new_profile_name}'.\n{e}")
def remove_profile(self):
"""Handles removing the currently selected profile."""
self.logger.debug("'Remove Profile' button clicked.")
profile_to_remove = self.main_frame.profile_var.get()
if not profile_to_remove:
self.logger.warning("Attempted to remove profile when none is selected.")
self.main_frame.show_error("Error", "No profile selected to remove.")
return
if profile_to_remove == DEFAULT_PROFILE:
self.logger.warning("Attempted to remove the default profile.")
self.main_frame.show_error("Error", f"Cannot remove the '{DEFAULT_PROFILE}' profile.")
return
# Confirmation dialog
if self.main_frame.ask_yes_no("Remove Profile", f"Are you sure you want to permanently remove profile '{profile_to_remove}'?"):
self.logger.info(f"Attempting to remove profile: '{profile_to_remove}'")
try:
success = self.config_manager.remove_profile_section(profile_to_remove)
if success:
self.config_manager.save_config() # Save changes after successful removal
self.logger.info(f"Profile '{profile_to_remove}' removed successfully.")
# Update dropdown - GUI method handles selection logic
updated_sections = self.config_manager.get_profile_sections()
self.main_frame.update_profile_dropdown(updated_sections)
# Loading settings for the new selection will be triggered by trace
else:
# ConfigManager already logged the specific reason (e.g., not found, error)
self.main_frame.show_error("Error", f"Failed to remove profile '{profile_to_remove}'. Check logs.")
except Exception as e:
self.logger.error(f"Unexpected error removing profile '{profile_to_remove}': {e}", exc_info=True)
self.main_frame.show_error("Error", f"An unexpected error occurred while removing profile '{profile_to_remove}'.\n{e}")
else:
self.logger.info("Profile removal cancelled by user.")
# --- GUI Interaction Callbacks ---
def browse_folder(self, entry_widget):
"""
Opens a folder selection dialog and updates the specified Tkinter Entry widget.
"""
self.logger.debug(f"Browse folder requested for widget: {entry_widget}")
# Suggest initial directory based on current entry content, fallback to home dir
initial_dir = entry_widget.get() or os.path.expanduser("~")
if not os.path.isdir(initial_dir): # Handle case where entry has invalid path
initial_dir = os.path.expanduser("~")
directory = filedialog.askdirectory(
initialdir=initial_dir,
title="Select Directory",
parent=self.master # Make dialog modal to main window
)
if directory: # If a directory was selected (not cancelled)
self.logger.debug(f"Directory selected: {directory}")
entry_widget.delete(0, tk.END)
entry_widget.insert(0, directory)
# If the SVN path entry was the one updated, trigger status check
if entry_widget == self.main_frame.svn_path_entry:
self.update_svn_status_indicator(directory)
else:
self.logger.debug("Folder browse dialog cancelled.")
def update_svn_status_indicator(self, svn_path):
"""
Checks if the given SVN path is prepared for Git (contains .git) and updates the GUI indicator.
Also enables/disables the 'Prepare' button.
"""
is_prepared = False
if svn_path and os.path.isdir(svn_path): # Check if path is a valid directory
git_dir_path = os.path.join(svn_path, ".git")
is_prepared = os.path.exists(git_dir_path)
self.logger.debug(f"Checking SVN status for path '{svn_path}'. '.git' found: {is_prepared}")
else:
self.logger.debug(f"SVN path '{svn_path}' is invalid or empty. Status set to unprepared.")
# Update the visual indicator and button state via the MainFrame method
if hasattr(self, 'main_frame'):
self.main_frame.update_svn_indicator(is_prepared)
# --- Core Functionality Methods ---
def _get_and_validate_svn_path(self, operation_name="Operation"):
"""
Retrieves the SVN path from the GUI entry, validates its existence as a directory.
Shows errors in the GUI and logs issues.
Args:
operation_name (str): Name of the operation requesting the path (for logging).
Returns:
str: The validated absolute path if valid, None otherwise.
"""
svn_path_str = self.main_frame.svn_path_entry.get().strip()
if not svn_path_str:
self.logger.error(f"{operation_name}: SVN Working Copy Path is empty.")
self.main_frame.show_error("Input Error", "Please specify the SVN Working Copy Path.")
return None
abs_path = os.path.abspath(svn_path_str)
if not os.path.isdir(abs_path):
self.logger.error(f"{operation_name}: Specified SVN path is not a valid directory: {abs_path}")
self.main_frame.show_error("Input Error", f"The specified SVN path is not a valid directory:\n{abs_path}")
return None
self.logger.debug(f"{operation_name}: Using validated SVN path: {abs_path}")
return abs_path
def _get_and_validate_usb_path(self, operation_name="Operation"):
"""
Retrieves the USB/Bundle Target path, validates it exists as a directory.
Shows errors and logs issues.
Args:
operation_name (str): Name of the operation requesting the path.
Returns:
str: The validated absolute path if valid, None otherwise.
"""
usb_path_str = self.main_frame.usb_path_entry.get().strip()
if not usb_path_str:
self.logger.error(f"{operation_name}: Bundle Target Directory path is empty.")
self.main_frame.show_error("Input Error", "Please specify the Bundle Target Directory (e.g., USB drive path).")
return None
abs_path = os.path.abspath(usb_path_str)
if not os.path.isdir(abs_path):
self.logger.error(f"{operation_name}: Specified Bundle Target path is not a valid directory: {abs_path}")
self.main_frame.show_error("Input Error", f"The specified Bundle Target path is not a valid directory:\n{abs_path}")
return None
self.logger.debug(f"{operation_name}: Using validated Bundle Target path: {abs_path}")
return abs_path
def prepare_svn_for_git(self):
"""Handles the 'Prepare SVN for Git' action."""
self.logger.info("--- Action: Prepare SVN Repo ---")
# 1. Validate SVN Path
svn_path = self._get_and_validate_svn_path("Prepare SVN")
if not svn_path:
return # Validation failed, error shown by validator
# 2. Save current settings (user might have changed path)
if not self.save_profile_settings():
self.logger.warning("Prepare SVN: Could not save profile settings before proceeding.")
# Decide whether to continue or stop if saving fails
# return # Uncomment to stop if saving fails
# 3. Check if already prepared (redundant with indicator, but safe)
git_dir_path = os.path.join(svn_path, ".git")
if os.path.exists(git_dir_path):
self.logger.info(f"Repository at '{svn_path}' is already prepared.")
self.main_frame.show_info("Already Prepared", f"The repository at:\n{svn_path}\nis already prepared for Git (contains a '.git' folder).")
self.update_svn_status_indicator(svn_path) # Ensure GUI is consistent
return
# 4. Execute Preparation Command
self.logger.info(f"Executing git preparation steps for: {svn_path}")
try:
# Call the decoupled GitCommands method, passing the validated path
self.git_commands.prepare_svn_for_git(svn_path)
# 5. Success Feedback
self.logger.info("SVN repository prepared successfully.")
self.main_frame.show_info("Success", f"Repository prepared successfully:\n{svn_path}")
self.update_svn_status_indicator(svn_path) # Update indicator to green
except (GitCommandError, ValueError) as e:
# Handle errors from git_commands (includes validation errors, command errors)
self.logger.error(f"Error preparing SVN repository: {e}")
self.main_frame.show_error("Preparation Error", f"Failed to prepare repository:\n{svn_path}\n\nError: {e}")
self.update_svn_status_indicator(svn_path) # Update indicator (likely stays red)
except Exception as e:
# Catch unexpected errors during the process
self.logger.exception(f"Unexpected error during SVN preparation: {e}")
self.main_frame.show_error("Unexpected Error", f"An unexpected error occurred during preparation:\n{e}")
self.update_svn_status_indicator(svn_path)
def create_git_bundle(self):
"""Handles the 'Create Bundle' action."""
self.logger.info("--- Action: Create Git Bundle ---")
# 1. Validate Paths
svn_path = self._get_and_validate_svn_path("Create Bundle")
if not svn_path: return
usb_path = self._get_and_validate_usb_path("Create Bundle")
if not usb_path: return
# 2. Validate Bundle Name
bundle_name = self.main_frame.bundle_name_entry.get().strip()
if not bundle_name:
self.logger.error("Create Bundle: Bundle name cannot be empty.")
self.main_frame.show_error("Input Error", "Please enter a name for the bundle file (e.g., 'my_repo.bundle').")
return
# Basic validation for bundle name format (optional)
if not bundle_name.lower().endswith(".bundle"):
self.logger.warning(f"Bundle name '{bundle_name}' does not end with '.bundle'.")
# Optionally force or suggest .bundle extension
# bundle_name += ".bundle"
bundle_full_path = os.path.join(usb_path, bundle_name)
self.logger.debug(f"Target bundle file path: {bundle_full_path}")
# 3. Save current settings
if not self.save_profile_settings():
self.logger.warning("Create Bundle: Could not save profile settings before proceeding.")
# return # Optional: Stop if saving fails
# 4. Perform Backup (if enabled)
if self.main_frame.autobackup_var.get():
self.logger.info("Autobackup enabled. Starting backup...")
if not self.create_backup(svn_path):
self.logger.error("Bundle creation aborted due to backup failure.")
# Error message shown by create_backup
return # Stop the process if backup fails
# 5. Perform Autocommit (if enabled)
if self.main_frame.autocommit_var.get():
self.logger.info("Autocommit enabled. Checking for changes and committing if necessary...")
try:
# Pass validated svn_path to the decoupled git_commands methods
if self.git_commands.git_status_has_changes(svn_path):
self.logger.info("Changes detected, performing autocommit...")
commit_made = self.git_commands.git_commit(svn_path, message="Autocommit before bundle creation")
if commit_made:
self.logger.info("Autocommit successful.")
else:
# This case (status has changes but commit does nothing) should be rare
self.logger.warning("Status reported changes, but autocommit resulted in 'nothing to commit'.")
else:
self.logger.info("No changes detected, skipping autocommit.")
except (GitCommandError, ValueError) as e:
self.logger.error(f"Error during autocommit process: {e}")
self.main_frame.show_error("Autocommit Error", f"Failed to check status or commit changes:\n{e}")
return # Stop if autocommit fails
except Exception as e:
self.logger.exception(f"Unexpected error during autocommit: {e}")
self.main_frame.show_error("Unexpected Error", f"An unexpected error occurred during autocommit:\n{e}")
return
# 6. Create the Git Bundle
self.logger.info(f"Creating Git bundle at: {bundle_full_path}")
try:
# Pass validated svn_path and the full bundle path
self.git_commands.create_git_bundle(svn_path, bundle_full_path)
# Success message (GitCommands logs details, including warning for empty bundles)
# Check if the bundle file actually exists (create_git_bundle might just log warning for empty)
if os.path.exists(bundle_full_path):
self.logger.info("Git bundle created successfully.")
self.main_frame.show_info("Success", f"Git bundle created successfully:\n{bundle_full_path}")
else:
# Likely the 'empty bundle' case
self.logger.warning("Bundle file was not created (likely because repository had no commits).")
self.main_frame.show_warning("Bundle Not Created", "Bundle file was not created.\nThis usually means the repository has no commits yet.")
except (GitCommandError, ValueError) as e:
# Handle errors from git_commands
self.logger.error(f"Error creating Git bundle: {e}")
# Check for specific known issues if needed, otherwise show generic error
self.main_frame.show_error("Bundle Creation Error", f"Failed to create Git bundle:\n{e}")
except Exception as e:
# Catch unexpected errors
self.logger.exception(f"Unexpected error during bundle creation: {e}")
self.main_frame.show_error("Unexpected Error", f"An unexpected error occurred during bundle creation:\n{e}")
def fetch_from_git_bundle(self):
"""Handles the 'Fetch from Bundle' action."""
self.logger.info("--- Action: Fetch from Git Bundle ---")
# 1. Validate Paths
svn_path = self._get_and_validate_svn_path("Fetch Bundle")
if not svn_path: return
usb_path = self._get_and_validate_usb_path("Fetch Bundle")
if not usb_path: return
# 2. Validate Fetch Bundle Name
bundle_updated_name = self.main_frame.bundle_updated_name_entry.get().strip()
if not bundle_updated_name:
self.logger.error("Fetch Bundle: Fetch bundle name cannot be empty.")
self.main_frame.show_error("Input Error", "Please enter the name of the bundle file to fetch from.")
return
bundle_full_path = os.path.join(usb_path, bundle_updated_name)
self.logger.debug(f"Source bundle file path: {bundle_full_path}")
# 3. Check if Bundle File Exists
if not os.path.isfile(bundle_full_path): # Check if it's specifically a file
self.logger.error(f"Fetch Bundle: Bundle file does not exist or is not a file: '{bundle_full_path}'")
self.main_frame.show_error("File Not Found", f"The specified bundle file does not exist:\n{bundle_full_path}")
return
# 4. Save current settings
if not self.save_profile_settings():
self.logger.warning("Fetch Bundle: Could not save profile settings before proceeding.")
# return # Optional: Stop if saving fails
# 5. Perform Backup (if enabled)
if self.main_frame.autobackup_var.get():
self.logger.info("Autobackup enabled. Starting backup...")
if not self.create_backup(svn_path):
self.logger.error("Fetch/merge aborted due to backup failure.")
# Error message shown by create_backup
return # Stop the process
# 6. Fetch and Merge from Bundle
self.logger.info(f"Fetching/merging into '{svn_path}' from bundle: {bundle_full_path}")
try:
# Pass validated svn_path and the full bundle path to the decoupled command
self.git_commands.fetch_from_git_bundle(svn_path, bundle_full_path)
# Success message (GitCommands logs details)
self.logger.info("Changes fetched and merged successfully.")
self.main_frame.show_info("Success", f"Changes fetched and merged successfully into:\n{svn_path}\nfrom bundle:\n{bundle_full_path}")
except GitCommandError as e:
# Handle specific errors from fetch/merge process
self.logger.error(f"Error fetching/merging from Git bundle: {e}")
# Check for common specific errors like merge conflicts
if "merge conflict" in str(e).lower():
# Provide specific guidance for conflicts
self.main_frame.show_error(
"Merge Conflict",
f"Merge conflict occurred while applying changes from the bundle.\n\n"
f"Please resolve the conflicts manually in the repository:\n{svn_path}\n\n"
f"After resolving, run 'git add .' and 'git commit' in that directory.\n\n"
f"Original Error: {e}"
)
else:
# Show generic error for other Git command failures
self.main_frame.show_error("Fetch/Merge Error", f"Failed to fetch or merge from bundle:\n{e}")
except ValueError as e:
# Handle validation errors (e.g., invalid path passed unexpectedly)
self.logger.error(f"Validation error during fetch/merge: {e}")
self.main_frame.show_error("Input Error", f"Invalid input during fetch/merge:\n{e}")
except Exception as e:
# Catch unexpected errors
self.logger.exception(f"Unexpected error during fetch/merge: {e}")
self.main_frame.show_error("Unexpected Error", f"An unexpected error occurred during fetch/merge:\n{e}")
def create_backup(self, source_repo_path):
"""
Creates a timestamped backup of the source repository directory.
Uses settings from the GUI (backup directory). Ignores the '.git' folder.
Args:
source_repo_path (str): The absolute path to the repository to back up.
Returns:
bool: True if backup was successful or not needed, False if it failed.
"""
# This method assumes source_repo_path is already validated
# Check if backup is enabled in the first place (redundant check, but safe)
if not self.main_frame.autobackup_var.get():
self.logger.debug("Backup skipped: Autobackup is disabled.")
return True # Not an error, just skipped
# Get backup destination directory from GUI
backup_base_dir = self.main_frame.backup_dir_var.get().strip()
if not backup_base_dir:
self.logger.error("Backup failed: Backup directory is not specified in the settings.")
self.main_frame.show_error("Backup Error", "Backup directory is not specified.\nPlease configure it in the Backup section.")
return False
# Ensure the base backup directory exists
if not os.path.isdir(backup_base_dir):
self.logger.info(f"Backup directory '{backup_base_dir}' does not exist. Attempting to create...")
try:
os.makedirs(backup_base_dir, exist_ok=True) # exist_ok=True prevents error if it already exists
self.logger.info(f"Backup directory created or already exists: '{backup_base_dir}'")
except OSError as e:
self.logger.error(f"Could not create backup directory '{backup_base_dir}': {e}", exc_info=True)
self.main_frame.show_error("Backup Error", f"Could not create backup directory:\n{backup_base_dir}\nError: {e}")
return False
# --- Create timestamped backup folder name ---
now = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
# Get the repository folder name from the source path
repo_name = os.path.basename(os.path.normpath(source_repo_path)) or "repository"
backup_folder_name = f"{repo_name}_backup_{now}"
backup_full_path = os.path.join(backup_base_dir, backup_folder_name)
self.logger.info(f"Creating backup of '{source_repo_path}' to '{backup_full_path}'...")
try:
# --- Perform the copy ---
# ignore=shutil.ignore_patterns('.git') prevents copying the git internal dir
shutil.copytree(
source_repo_path,
backup_full_path,
symlinks=False, # Decide if you need symlinks copied
ignore=shutil.ignore_patterns('.git', '.svn') # Ignore both .git and .svn internal dirs
)
self.logger.info(f"Backup created successfully: {backup_full_path}")
return True # Backup succeeded
except OSError as e:
# Catch specific OS errors during copy (permissions, disk full, etc.)
self.logger.error(f"OS error creating backup: {e}", exc_info=True)
self.main_frame.show_error("Backup Error", f"Error creating backup copy:\n{e}")
return False
except Exception as e:
# Catch any other unexpected errors during the copy process
self.logger.exception(f"Unexpected error during backup copytree: {e}")
self.main_frame.show_error("Backup Error", f"An unexpected error occurred during backup:\n{e}")
return False
# --- GUI State Utilities ---
def _clear_and_disable_fields(self):
"""Clears repository config fields and disables action buttons."""
if hasattr(self, 'main_frame'):
# Clear repository fields
self.main_frame.svn_path_entry.delete(0, tk.END)
self.main_frame.usb_path_entry.delete(0, tk.END)
self.main_frame.bundle_name_entry.delete(0, tk.END)
self.main_frame.bundle_updated_name_entry.delete(0, tk.END)
self.main_frame.autocommit_var.set(False)
# Clear backup fields (optional, might keep defaults)
# self.main_frame.autobackup_var.set(False)
# self.main_frame.backup_dir_var.set("")
# self.main_frame.toggle_backup_dir()
# Disable action buttons
self._disable_function_buttons()
# Reset SVN indicator
self.update_svn_status_indicator("") # Pass empty path to show unprepared
self.logger.debug("GUI fields cleared and action buttons disabled.")
def _disable_function_buttons(self):
"""Disables the main action buttons (Prepare, Create, Fetch)."""
if hasattr(self, 'main_frame'):
if hasattr(self.main_frame, 'prepare_svn_button'):
self.main_frame.prepare_svn_button.config(state=tk.DISABLED)
if hasattr(self.main_frame, 'create_bundle_button'):
self.main_frame.create_bundle_button.config(state=tk.DISABLED)
if hasattr(self.main_frame, 'fetch_bundle_button'):
self.main_frame.fetch_bundle_button.config(state=tk.DISABLED)
self.logger.debug("Function buttons disabled.")
def _enable_function_buttons(self):
"""Enables the Create and Fetch buttons. Prepare button state depends on repo status."""
if hasattr(self, 'main_frame'):
# Always enable Create and Fetch if a profile is loaded
if hasattr(self.main_frame, 'create_bundle_button'):
self.main_frame.create_bundle_button.config(state=tk.NORMAL)
if hasattr(self.main_frame, 'fetch_bundle_button'):
self.main_frame.fetch_bundle_button.config(state=tk.NORMAL)
# Prepare button state is handled by update_svn_indicator based on path check
self.update_svn_status_indicator(self.main_frame.svn_path_entry.get())
self.logger.debug("Create/Fetch buttons enabled. Prepare button state updated based on status.")
def show_fatal_error(self, message):
"""Shows a fatal error message before the app potentially exits."""
messagebox.showerror("Fatal Error", message)
# --- Application Entry Point ---
def main():
"""Main function to create the Tkinter root window and run the application."""
root = tk.Tk()
# Optional: Set minimum size for the window
root.minsize(600, 500)
try:
app = GitSvnSyncApp(root)
# Only run mainloop if app initialized successfully
if app: # Basic check if constructor returned something (didn't hit early return)
root.mainloop()
except Exception as e:
# Catch-all for truly unexpected errors during App init that weren't handled internally
logging.exception("Fatal error during application startup or main loop.")
messagebox.showerror("Fatal Error", f"Application failed unexpectedly:\n{e}")
if __name__ == "__main__":
main()