forked from cswimr/SeaCogs
199 lines
8.9 KiB
Python
199 lines
8.9 KiB
Python
# _____ _
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# / ____| (_)
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# | (___ ___ __ _ _____ ___ _ __ ___ _ __ ___ ___ _ __
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# \___ \ / _ \/ _` / __\ \ /\ / / | '_ ` _ \| '_ ` _ \ / _ \ '__|
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# ____) | __/ (_| \__ \\ V V /| | | | | | | | | | | | __/ |
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# |_____/ \___|\__,_|___/ \_/\_/ |_|_| |_| |_|_| |_| |_|\___|_|
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import contextlib
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import logging
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import json
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import re
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from redbot.core import commands
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from redbot.core.bot import Red
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from redbot.core.utils.chat_formatting import error, text_to_file, inline
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from redbot.cogs.downloader.converters import InstalledCog
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import redbot.cogs.downloader.errors as errors
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class Backup(commands.Cog):
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"""A utility to make reinstalling repositories and cogs after migrating the bot far easier."""
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__author__ = "SeaswimmerTheFsh"
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__version__ = "1.0.0"
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def __init__(self, bot: Red):
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super().__init__()
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self.bot = bot
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self.logger = logging.getLogger("red.sea.backup")
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@commands.group(autohelp=True)
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@commands.is_owner()
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async def backup(self, ctx: commands.Context):
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"""Backup your installed cogs."""
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@backup.command(name='export')
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@commands.is_owner()
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async def backup_export(self, ctx: commands.Context):
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"""Export your installed repositories and cogs to a file."""
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downloader = ctx.bot.get_cog("Downloader")
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if downloader is None:
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await ctx.send(error(f"You do not have the `Downloader` cog loaded. Please run `{ctx.prefix}load downloader` and try again."))
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return
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all_repos = list(downloader._repo_manager.repos) # pylint: disable=protected-access
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export_data = []
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for repo in all_repos:
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repo_dict = {
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"name": repo.name,
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"url": repo.url,
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"branch": repo.branch,
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"cogs": []
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}
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cogs = await downloader.installed_cogs()
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for cog in cogs:
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if cog.repo_name == repo.name:
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cog_dict = {
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"name": cog.name,
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"pinned": cog.pinned,
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"commit": cog.commit
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}
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repo_dict["cogs"].append(cog_dict)
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export_data.append(repo_dict)
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await ctx.send(file=text_to_file(json.dumps(export_data, indent=4), 'backup.json'))
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@backup.command(name='import')
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@commands.is_owner()
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async def backup_import(self, ctx: commands.Context):
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"""Import your installed repositories and cogs from an export file."""
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try:
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export = json.loads(await ctx.message.attachments[0].read())
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except (json.JSONDecodeError, IndexError):
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await ctx.send(error("Please provide a valid JSON export file."))
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return
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downloader = ctx.bot.get_cog("Downloader")
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if downloader is None:
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await ctx.send(error(f"You do not have the `Downloader` cog loaded. Please run `{ctx.prefix}load downloader` and try again."))
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return
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repo_e = []
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uninstall_e = []
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install_e = []
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async with ctx.typing():
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for repo in export:
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# Most of this code is from the Downloader cog's repo_add funciton.
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name = repo['name']
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branch = repo['branch']
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url = repo['url']
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cogs = repo['cogs']
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if 'PyLav/Red-Cogs' in url:
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repo_e.append("PyLav cogs are not supported.")
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continue
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if name.startswith('.') or name.endswith('.'):
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repo_e.append(f"Invalid repository name: {name}\nRepository names cannot start or end with a dot.")
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continue
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if re.match(r"^[a-zA-Z0-9_\-\.]+$", name) is None:
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repo_e.append(f"Invalid repository name: {name}\nRepository names may only contain letters, numbers, underscores, hyphens, and dots.")
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continue
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try:
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repository = await downloader._repo_manager.add_repo(url, name, branch) # pylint: disable=protected-access
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except errors.ExistingGitRepo:
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repo_e.append(f"Repository {name} already exists.")
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repository = downloader._repo_manager.get_repo(name) # pylint: disable=protected-access
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# This is commented out because errors.AuthenticationError is not yet implemented in Red 3.5.5's Downloader cog.
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# Rather, it is only in the development version and will be added in version 3.5.6 (or whatever the next version is).
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# except errors.AuthenticationError as err:
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# repo_e.append(f"Authentication error while adding repository {name}. See logs for more information.")
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# self.logger.exception(
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# "Something went wrong whilst cloning %s (to revision %s)",
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# url,
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# branch,
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# exc_info=err,
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# )
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# continue
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except errors.CloningError as err:
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repo_e.append(f"Cloning error while adding repository {name}. See logs for more information.")
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self.logger.exception(
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"Something went wrong whilst cloning %s (to revision %s)",
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url,
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branch,
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exc_info=err,
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)
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continue
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except OSError:
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repo_e.append(f"OS error while adding repository {name}. See logs for more information.")
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self.logger.exception(
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"Something went wrong trying to add repo %s under name %s",
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url,
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name
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)
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continue
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else:
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cog_modules = []
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for cog in cogs:
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try:
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cog_module = await InstalledCog.convert(ctx, cog['name'])
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except commands.BadArgument:
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uninstall_e.append(f"Failed to uninstall {cog['name']}")
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continue
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cog_modules.append(cog_module)
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for cog in set(cog.name for cog in cog_modules):
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poss_installed_path = (await downloader.cog_install_path()) / cog
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if poss_installed_path.exists():
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with contextlib.suppress(commands.ExtensionNotLoaded):
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await ctx.bot.unload_extension(cog)
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await ctx.bot.remove_loaded_package(cog)
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await downloader._delete_cog(poss_installed_path)
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else:
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uninstall_e.append(f"Failed to uninstall {cog}")
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await downloader._remove_from_installed(cog_modules)
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for cog in cogs:
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cog_name = cog['name']
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cog_pinned = cog['pinned']
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if cog_pinned:
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commit = cog['commit']
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else:
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commit = None
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async with repository.checkout(commit, exit_to_rev=repository.branch):
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cogs_c, message = await downloader._filter_incorrect_cogs_by_names(repository, [cog_name]) # pylint: disable=protected-access
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if not cogs:
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install_e.append(message)
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continue
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failed_reqs = await downloader._install_requirements(cogs_c)
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if failed_reqs:
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install_e.append(f"Failed to install {cog_name} due to missing requirements: {failed_reqs}")
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continue
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installed_cogs, failed_cogs = await downloader._install_cogs(cogs_c)
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if repo.available_libraries:
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installed_libs, failed_libs = await repository.install_libraries(target_dir=downloader.SHAREDLIB_PATH, req_target_dir=downloader.LIB_PATH)
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if cog_pinned:
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for cog in installed_cogs:
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cog.pinned = True
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await downloader._save_to_installed(installed_cogs + installed_libs)
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if failed_cogs:
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install_e.append(f"Failed to install {failed_cogs}")
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if failed_libs:
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install_e.append(f"Failed to install {failed_libs} required for {cog_name}")
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await ctx.send("Import complete!\nErrors:", file=text_to_file(f"Repositories:\n{repo_e}\n\nUninstalled Cogs:\n{uninstall_e}\n\nInstalled Cogs:\n{install_e}", 'backup-errors.log'))
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