#1816 - Added the final pieces of the puzzle to get data up from NIC → session manager → software manager → service.

- Implemented a basic sim DB that matches UC2 data manipulation DB in IY.
- Added a test that confirms DB queries can be sent over the network.
This commit is contained in:
Chris McCarthy
2023-09-06 22:26:23 +01:00
parent 6b41bec32a
commit 2f744af34e
11 changed files with 180 additions and 76 deletions

View File

@@ -3,7 +3,6 @@ from __future__ import annotations
import math
import os.path
import shutil
from abc import abstractmethod
from pathlib import Path
from typing import Dict, Optional
@@ -17,7 +16,7 @@ from primaite.simulator.system.core.sys_log import SysLog
_LOGGER = getLogger(__name__)
def convert_size(size_bytes):
def convert_size(size_bytes: int) -> str:
"""
Convert a file size from bytes to a string with a more human-readable format.
@@ -44,7 +43,11 @@ def convert_size(size_bytes):
class FileSystemItemABC(SimComponent):
"""Abstract base class for file system items used in the file system simulation."""
"""
Abstract base class for file system items used in the file system simulation.
:ivar name: The name of the FileSystemItemABC.
"""
name: str
"The name of the FileSystemItemABC."
@@ -64,7 +67,15 @@ class FileSystemItemABC(SimComponent):
return state
@property
def size_str(self):
def size_str(self) -> str:
"""
Get the file size in a human-readable string format.
This property makes use of the :func:`convert_size` function to convert the `self.size` attribute to a string
that is easier to read and understand.
:return: The human-readable string representation of the file size.
"""
return convert_size(self.size)
@@ -84,11 +95,21 @@ class FileSystem(SimComponent):
self.create_folder("root")
@property
def size(self):
def size(self) -> int:
"""
Calculate and return the total size of all folders in the file system.
:return: The sum of the sizes of all folders in the file system.
"""
return sum(folder.size for folder in self.folders.values())
def show(self, markdown: bool = False, full: bool = False):
"""Prints a of the FileSystem"""
"""
Prints a table of the FileSystem, displaying either just folders or full files.
:param markdown: Flag indicating if output should be in markdown format.
:param full: Flag indicating if to show full files.
"""
headers = ["Folder", "Size"]
if full:
headers[0] = "File Path"
@@ -171,7 +192,6 @@ class FileSystem(SimComponent):
:param folder_name: The folder to add the file to.
:param real: "Indicates whether the File is actually a real file in the Node sim fs output."
"""
if folder_name:
# check if file with name already exists
folder = self._folders_by_name.get(folder_name)
@@ -196,12 +216,25 @@ class FileSystem(SimComponent):
return file
def get_file(self, folder_name: str, file_name: str) -> Optional[File]:
"""
Retrieve a file by its name from a specific folder.
:param folder_name: The name of the folder where the file resides.
:param file_name: The name of the file to be retrieved, including its extension.
:return: An instance of File if it exists, otherwise `None`.
"""
folder = self.get_folder(folder_name)
if folder:
return folder.get_file(file_name)
self.fs.sys_log.info(f"file not found /{folder_name}/{file_name}")
def delete_file(self, folder_name: str, file_name: str):
"""
Delete a file by its name from a specific folder.
:param folder_name: The name of the folder containing the file.
:param file_name: The name of the file to be deleted, including its extension.
"""
folder = self.get_folder(folder_name)
if folder:
file = folder.get_file(file_name)
@@ -209,7 +242,14 @@ class FileSystem(SimComponent):
folder.remove_file(file)
self.sys_log.info(f"Deleted file /{file.path}")
def move_file(self, src_folder_name: str, src_file_name: str, dst_folder_name):
def move_file(self, src_folder_name: str, src_file_name: str, dst_folder_name: str):
"""
Move a file from one folder to another.
:param src_folder_name: The name of the source folder containing the file.
:param src_file_name: The name of the file to be moved.
:param dst_folder_name: The name of the destination folder.
"""
file = self.get_file(folder_name=src_folder_name, file_name=src_file_name)
if file:
src_folder = file.folder
@@ -227,8 +267,14 @@ class FileSystem(SimComponent):
file.sim_path.parent.mkdir(exist_ok=True)
shutil.move(old_sim_path, file.sim_path)
def copy_file(self, src_folder_name: str, src_file_name: str, dst_folder_name):
def copy_file(self, src_folder_name: str, src_file_name: str, dst_folder_name: str):
"""
Copy a file from one folder to another.
:param src_folder_name: The name of the source folder containing the file.
:param src_file_name: The name of the file to be copied.
:param dst_folder_name: The name of the destination folder.
"""
file = self.get_file(folder_name=src_folder_name, file_name=src_file_name)
if file:
dst_folder = self.get_folder(folder_name=dst_folder_name)
@@ -283,7 +329,11 @@ class Folder(FileSystemItemABC):
return state
def show(self, markdown: bool = False):
"""Prints a of the Folder"""
"""
Display the contents of the Folder in tabular format.
:param markdown: Whether to display the table in Markdown format or not. Default is `False`.
"""
table = PrettyTable(["File", "Size"])
if markdown:
table.set_style(MARKDOWN)
@@ -294,7 +344,13 @@ class Folder(FileSystemItemABC):
print(table.get_string(sortby="File"))
@property
def size(self):
def size(self) -> int:
"""
Calculate and return the total size of all files in the folder.
:return: The total size of all files in the folder. If no files exist or all have `None`
size, returns 0.
"""
return sum(file.size for file in self.files.values() if file.size is not None)
def get_file(self, file_name: str) -> Optional[File]:
@@ -313,14 +369,19 @@ class Folder(FileSystemItemABC):
"""
Get a file by its uuid.
:param file_uuid: The file uuid.
:return: The matching File.
"""
return self.files.get(file_uuid)
def add_file(self, file: File):
"""Adds a file to the folder list."""
"""
Adds a file to the folder.
:param File file: The File object to be added to the folder.
:raises Exception: If the provided `file` parameter is None or not an instance of the
`File` class.
"""
if file is None or not isinstance(file, File):
raise Exception(f"Invalid file: {file}")
@@ -340,7 +401,6 @@ class Folder(FileSystemItemABC):
The method can take a File object or a file id.
:param file: The file to remove
:type: Optional[File]
"""
if file is None or not isinstance(file, File):
raise Exception(f"Invalid file: {file}")
@@ -369,7 +429,15 @@ class Folder(FileSystemItemABC):
class File(FileSystemItemABC):
"""Class that represents a file in the simulation."""
"""
Class representing a file in the simulation.
:ivar Folder folder: The folder in which the file resides.
:ivar FileType file_type: The type of the file.
:ivar Optional[int] sim_size: The simulated file size.
:ivar bool real: Indicates if the file is actually a real file in the Node sim fs output.
:ivar Optional[Path] sim_path: The path if the file is real.
"""
folder: Folder
"The Folder the File is in."
@@ -415,16 +483,30 @@ class File(FileSystemItemABC):
pass
def make_copy(self, dst_folder: Folder) -> File:
"""
Create a copy of the current File object in the given destination folder.
:param Folder dst_folder: The destination folder for the copied file.
:return: A new File object that is a copy of the current file.
"""
return File(folder=dst_folder, **self.model_dump(exclude={"uuid", "folder", "sim_path"}))
@property
def path(self):
"""The path of the file in the FileSystem."""
def path(self) -> str:
"""
Get the path of the file in the file system.
:return: The full path of the file.
"""
return f"{self.folder.name}/{self.name}"
@property
def size(self) -> int:
"""The file size in Bytes."""
"""
Get the size of the file in bytes.
:return: The size of the file in bytes.
"""
if self.real:
return os.path.getsize(self.sim_path)
return self.sim_size