Convert to Doxygen documentation

Like the rest of Cura and Uranium.
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Ghostkeeper 2018-06-11 15:00:35 +02:00
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@ -3,30 +3,26 @@
from cura.Backups.BackupsManager import BackupsManager from cura.Backups.BackupsManager import BackupsManager
## The back-ups API provides a version-proof bridge between Cura's
# BackupManager and plug-ins that hook into it.
#
# Usage:
# ``from cura.API import CuraAPI
# api = CuraAPI()
# api.backups.createBackup()
# api.backups.restoreBackup(my_zip_file, {"cura_release": "3.1"})``
class Backups: class Backups:
"""
The backups API provides a version-proof bridge between Cura's BackupManager and plugins that hook into it.
Usage:
from cura.API import CuraAPI
api = CuraAPI()
api.backups.createBackup()
api.backups.restoreBackup(my_zip_file, {"cura_release": "3.1"})
"""
manager = BackupsManager() # Re-used instance of the backups manager. manager = BackupsManager() # Re-used instance of the backups manager.
## Create a new back-up using the BackupsManager.
# \return Tuple containing a ZIP file with the back-up data and a dict
# with metadata about the back-up.
def createBackup(self) -> (bytes, dict): def createBackup(self) -> (bytes, dict):
"""
Create a new backup using the BackupsManager.
:return: Tuple containing a ZIP file with the backup data and a dict with meta data about the backup.
"""
return self.manager.createBackup() return self.manager.createBackup()
## Restore a back-up using the BackupsManager.
# \param zip_file A ZIP file containing the actual back-up data.
# \param meta_data Some metadata needed for restoring a back-up, like the
# Cura version number.
def restoreBackup(self, zip_file: bytes, meta_data: dict) -> None: def restoreBackup(self, zip_file: bytes, meta_data: dict) -> None:
"""
Restore a backup using the BackupManager.
:param zip_file: A ZIP file containing the actual backup data.
:param meta_data: Some meta data needed for restoring a backup, like the Cura version number.
"""
return self.manager.restoreBackup(zip_file, meta_data) return self.manager.restoreBackup(zip_file, meta_data)

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@ -3,14 +3,13 @@
from UM.PluginRegistry import PluginRegistry from UM.PluginRegistry import PluginRegistry
from cura.API.Backups import Backups from cura.API.Backups import Backups
## The official Cura API that plug-ins can use to interact with Cura.
#
# Python does not technically prevent talking to other classes as well, but
# this API provides a version-safe interface with proper deprecation warnings
# etc. Usage of any other methods than the ones provided in this API can cause
# plug-ins to be unstable.
class CuraAPI: class CuraAPI:
"""
The official Cura API that plugins can use to interact with Cura.
Python does not technically prevent talking to other classes as well,
but this API provides a version-safe interface with proper deprecation warnings etc.
Usage of any other methods than the ones provided in this API can cause plugins to be unstable.
"""
# For now we use the same API version to be consistent. # For now we use the same API version to be consistent.
VERSION = PluginRegistry.APIVersion VERSION = PluginRegistry.APIVersion

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@ -17,12 +17,11 @@ from UM.Resources import Resources
from cura.CuraApplication import CuraApplication from cura.CuraApplication import CuraApplication
## The back-up class holds all data about a back-up.
#
# It is also responsible for reading and writing the zip file to the user data
# folder.
class Backup: class Backup:
"""
The backup class holds all data about a backup.
It is also responsible for reading and writing the zip file to the user data folder.
"""
# These files should be ignored when making a backup. # These files should be ignored when making a backup.
IGNORED_FILES = [r"cura\.log", r"plugins\.json", r"cache", r"__pycache__", r"\.qmlc", r"\.pyc"] IGNORED_FILES = [r"cura\.log", r"plugins\.json", r"cache", r"__pycache__", r"\.qmlc", r"\.pyc"]
@ -33,10 +32,8 @@ class Backup:
self.zip_file = zip_file # type: Optional[bytes] self.zip_file = zip_file # type: Optional[bytes]
self.meta_data = meta_data # type: Optional[dict] self.meta_data = meta_data # type: Optional[dict]
## Create a back-up from the current user config folder.
def makeFromCurrent(self) -> (bool, Optional[str]): def makeFromCurrent(self) -> (bool, Optional[str]):
"""
Create a backup from the current user config folder.
"""
cura_release = CuraApplication.getInstance().getVersion() cura_release = CuraApplication.getInstance().getVersion()
version_data_dir = Resources.getDataStoragePath() version_data_dir = Resources.getDataStoragePath()
@ -75,12 +72,10 @@ class Backup:
"plugin_count": str(plugin_count) "plugin_count": str(plugin_count)
} }
## Make a full archive from the given root path with the given name.
# \param root_path The root directory to archive recursively.
# \return The archive as bytes.
def _makeArchive(self, buffer: "io.BytesIO", root_path: str) -> Optional[ZipFile]: def _makeArchive(self, buffer: "io.BytesIO", root_path: str) -> Optional[ZipFile]:
"""
Make a full archive from the given root path with the given name.
:param root_path: The root directory to archive recursively.
:return: The archive as bytes.
"""
ignore_string = re.compile("|".join(self.IGNORED_FILES)) ignore_string = re.compile("|".join(self.IGNORED_FILES))
try: try:
archive = ZipFile(buffer, "w", ZIP_DEFLATED) archive = ZipFile(buffer, "w", ZIP_DEFLATED)
@ -99,15 +94,13 @@ class Backup:
"Could not create archive from user data directory: {}".format(error))) "Could not create archive from user data directory: {}".format(error)))
return None return None
## Show a UI message.
def _showMessage(self, message: str) -> None: def _showMessage(self, message: str) -> None:
"""Show a UI message"""
Message(message, title=self.catalog.i18nc("@info:title", "Backup"), lifetime=30).show() Message(message, title=self.catalog.i18nc("@info:title", "Backup"), lifetime=30).show()
## Restore this back-up.
# \return Whether we had success or not.
def restore(self) -> bool: def restore(self) -> bool:
"""
Restore this backups
:return: A boolean whether we had success or not.
"""
if not self.zip_file or not self.meta_data or not self.meta_data.get("cura_release", None): if not self.zip_file or not self.meta_data or not self.meta_data.get("cura_release", None):
# We can restore without the minimum required information. # We can restore without the minimum required information.
Logger.log("w", "Tried to restore a Cura backup without having proper data or meta data.") Logger.log("w", "Tried to restore a Cura backup without having proper data or meta data.")
@ -140,14 +133,12 @@ class Backup:
return extracted return extracted
## Extract the whole archive to the given target path.
# \param archive The archive as ZipFile.
# \param target_path The target path.
# \return Whether we had success or not.
@staticmethod @staticmethod
def _extractArchive(archive: "ZipFile", target_path: str) -> bool: def _extractArchive(archive: "ZipFile", target_path: str) -> bool:
"""
Extract the whole archive to the given target path.
:param archive: The archive as ZipFile.
:param target_path: The target path.
:return: A boolean whether we had success or not.
"""
Logger.log("d", "Removing current data in location: %s", target_path) Logger.log("d", "Removing current data in location: %s", target_path)
Resources.factoryReset() Resources.factoryReset()
Logger.log("d", "Extracting backup to location: %s", target_path) Logger.log("d", "Extracting backup to location: %s", target_path)

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@ -7,19 +7,18 @@ from cura.Backups.Backup import Backup
from cura.CuraApplication import CuraApplication from cura.CuraApplication import CuraApplication
## The BackupsManager is responsible for managing the creating and restoring of
# back-ups.
#
# Back-ups themselves are represented in a different class.
class BackupsManager: class BackupsManager:
"""
The BackupsManager is responsible for managing the creating and restoring of backups.
Backups themselves are represented in a different class.
"""
def __init__(self): def __init__(self):
self._application = CuraApplication.getInstance() self._application = CuraApplication.getInstance()
## Get a back-up of the current configuration.
# \return A tuple containing a ZipFile (the actual back-up) and a dict
# containing some metadata (like version).
def createBackup(self) -> (Optional[bytes], Optional[dict]): def createBackup(self) -> (Optional[bytes], Optional[dict]):
"""
Get a backup of the current configuration.
:return: A Tuple containing a ZipFile (the actual backup) and a dict containing some meta data (like version).
"""
self._disableAutoSave() self._disableAutoSave()
backup = Backup() backup = Backup()
backup.makeFromCurrent() backup.makeFromCurrent()
@ -27,12 +26,11 @@ class BackupsManager:
# We don't return a Backup here because we want plugins only to interact with our API and not full objects. # We don't return a Backup here because we want plugins only to interact with our API and not full objects.
return backup.zip_file, backup.meta_data return backup.zip_file, backup.meta_data
## Restore a back-up from a given ZipFile.
# \param zip_file A bytes object containing the actual back-up.
# \param meta_data A dict containing some metadata that is needed to
# restore the back-up correctly.
def restoreBackup(self, zip_file: bytes, meta_data: dict) -> None: def restoreBackup(self, zip_file: bytes, meta_data: dict) -> None:
"""
Restore a backup from a given ZipFile.
:param zip_file: A bytes object containing the actual backup.
:param meta_data: A dict containing some meta data that is needed to restore the backup correctly.
"""
if not meta_data.get("cura_release", None): if not meta_data.get("cura_release", None):
# If there is no "cura_release" specified in the meta data, we don't execute a backup restore. # If there is no "cura_release" specified in the meta data, we don't execute a backup restore.
Logger.log("w", "Tried to restore a backup without specifying a Cura version number.") Logger.log("w", "Tried to restore a backup without specifying a Cura version number.")
@ -47,10 +45,11 @@ class BackupsManager:
# We don't want to store the data at this point as that would override the just-restored backup. # We don't want to store the data at this point as that would override the just-restored backup.
self._application.windowClosed(save_data=False) self._application.windowClosed(save_data=False)
## Here we try to disable the auto-save plug-in as it might interfere with
# restoring a back-up.
def _disableAutoSave(self): def _disableAutoSave(self):
"""Here we try to disable the auto-save plugin as it might interfere with restoring a backup."""
self._application.setSaveDataEnabled(False) self._application.setSaveDataEnabled(False)
## Re-enable auto-save after we're done.
def _enableAutoSave(self): def _enableAutoSave(self):
"""Re-enable auto-save after we're done."""
self._application.setSaveDataEnabled(True) self._application.setSaveDataEnabled(True)