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743 lines
26 KiB
Python
743 lines
26 KiB
Python
"""
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author: deadc0de6 (https://github.com/deadc0de6)
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Copyright (c) 2017, deadc0de6
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Class that process nodes in the catalog tree
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"""
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import os
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import shutil
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import time
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from typing import List, Union, Tuple, Any, Optional, Dict, cast
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import fnmatch
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import anytree
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from natsort import os_sort_keygen
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# local imports
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from catcli import nodes
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from catcli.nodes import NodeAny, NodeStorage, \
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NodeTop, NodeFile, NodeArchived, NodeDir, NodeMeta, \
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typcast_node
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from catcli.utils import md5sum
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from catcli.logger import Logger
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from catcli.printer_native import NativePrinter
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from catcli.printer_csv import CsvPrinter
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from catcli.decomp import Decomp
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from catcli.version import __version__ as VERSION
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from catcli.exceptions import CatcliException
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class Noder:
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"""
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handles node in the catalog tree
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There are 4 types of node:
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* "top" node representing the top node (generic node)
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* "storage" node representing a storage
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* "dir" node representing a directory
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* "file" node representing a file
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"""
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# pylint: disable=R0904
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def __init__(self, debug: bool = False,
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sortsize: bool = False,
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arc: bool = False) -> None:
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"""
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@debug: debug mode
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@sortsize: sort nodes by size
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@arch: handle archive
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"""
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self.hash = True
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self.debug = debug
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self.sortsize = sortsize
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self.arc = arc
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if self.arc:
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self.decomp = Decomp()
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self.csv_printer = CsvPrinter()
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self.native_printer = NativePrinter()
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@staticmethod
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def get_storage_names(top: NodeTop) -> List[str]:
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"""return a list of all storage names"""
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return [x.name for x in list(top.children)]
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def find_storage_node_by_name(self, top: NodeTop,
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name: str) -> Optional[NodeStorage]:
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"""find a storage node by name"""
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for node in top.children:
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if node.type != nodes.TYPE_STORAGE:
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continue
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if node.name == name:
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return cast(NodeStorage, node)
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return None
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def update_storage_path(self, top: NodeTop,
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name: str,
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newpath: str) -> None:
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"""find and update storage path on update"""
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storage = self.find_storage_node_by_name(top, name)
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if storage and newpath and os.path.exists(newpath):
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storage.free = shutil.disk_usage(newpath).free
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storage.total = shutil.disk_usage(newpath).total
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storage.ts = int(time.time())
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@staticmethod
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def get_node(top: NodeTop,
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path: str,
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quiet: bool = False) -> Optional[NodeAny]:
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"""get the node by internal tree path"""
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resolv = anytree.resolver.Resolver('name')
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bpath = ''
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try:
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bpath = os.path.basename(path)
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the_node = resolv.get(top, bpath)
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typcast_node(the_node)
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return cast(NodeAny, the_node)
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except anytree.resolver.ChildResolverError:
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if not quiet:
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Logger.err(f'No node at path \"{bpath}\"')
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return None
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def get_node_if_changed(self,
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top: NodeTop,
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path: str,
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treepath: str) -> Tuple[Optional[NodeAny], bool]:
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"""
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return the node (if any) and if it has changed
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@top: top node (storage)
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@path: abs path to file
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@treepath: rel path from indexed directory
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"""
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treepath = treepath.lstrip(os.sep)
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node = self.get_node(top, treepath, quiet=True)
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# node does not exist
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if not node:
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self._debug('\tchange: node does not exist')
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return None, True
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if os.path.isdir(path):
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return node, False
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# force re-indexing if no maccess
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maccess = os.path.getmtime(path)
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if not node.has_attr('maccess') or \
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not node.maccess:
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self._debug('\tchange: no maccess found')
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return node, True
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# maccess changed
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old_maccess = node.maccess
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if float(maccess) != float(old_maccess):
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self._debug(f'\tchange: maccess changed for \"{path}\"')
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return node, True
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# test hash
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if self.hash and node.md5:
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md5 = self._get_hash(path)
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if md5 and md5 != node.md5:
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msg = f'\tchange: checksum changed for \"{path}\"'
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self._debug(msg)
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return node, True
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self._debug(f'\tchange: no change for \"{path}\"')
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return node, False
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###############################################################
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# public helpers
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###############################################################
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@staticmethod
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def attrs_to_string(attr: Union[List[str], Dict[str, str], str]) -> str:
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"""format the storage attr for saving"""
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if not attr:
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return ''
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if isinstance(attr, list):
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return ', '.join(attr)
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if isinstance(attr, dict):
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ret = []
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for key, val in attr.items():
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ret.append(f'{key}={val}')
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return ', '.join(ret)
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attr = attr.rstrip()
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return attr
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def do_hashing(self, val: bool) -> None:
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"""hash files when indexing"""
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self.hash = val
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###############################################################
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# node creation
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###############################################################
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def new_top_node(self) -> NodeTop:
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"""create a new top node"""
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top = NodeTop(nodes.NAME_TOP)
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self._debug(f'new top node: {top}')
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return top
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def new_file_node(self, name: str, path: str,
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parent: NodeAny) -> Optional[NodeFile]:
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"""create a new node representing a file"""
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if not os.path.exists(path):
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Logger.err(f'File \"{path}\" does not exist')
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return None
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path = os.path.abspath(path)
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try:
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stat = os.lstat(path)
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except OSError as exc:
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Logger.err(f'OSError: {exc}')
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return None
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md5 = ''
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if self.hash:
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md5 = self._get_hash(path)
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maccess = os.path.getmtime(path)
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node = NodeFile(name,
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stat.st_size,
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md5,
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maccess,
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parent=parent)
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if self.arc:
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ext = os.path.splitext(path)[1][1:]
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if ext.lower() in self.decomp.get_formats():
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self._debug(f'{path} is an archive')
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names = self.decomp.get_names(path)
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self.list_to_tree(node, names)
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else:
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self._debug(f'{path} is NOT an archive')
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return node
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def new_dir_node(self, name: str, path: str,
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parent: NodeAny) -> NodeDir:
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"""create a new node representing a directory"""
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path = os.path.abspath(path)
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maccess = os.path.getmtime(path)
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return NodeDir(name,
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0,
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maccess,
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parent=parent)
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def new_storage_node(self, name: str,
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path: str,
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parent: str,
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attrs: Dict[str, Any]) \
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-> NodeStorage:
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"""create a new node representing a storage"""
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path = os.path.abspath(path)
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free = shutil.disk_usage(path).free
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total = shutil.disk_usage(path).total
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epoch = int(time.time())
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return NodeStorage(name,
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free,
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total,
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0,
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epoch,
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self.attrs_to_string(attrs),
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parent=parent)
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def new_archive_node(self,
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name: str,
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parent: str,
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archive: str) -> NodeArchived:
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"""create a new node for archive data"""
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return NodeArchived(name=name,
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parent=parent, nodesize=0, md5='',
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archive=archive)
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###############################################################
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# node management
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###############################################################
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def update_metanode(self, top: NodeTop) -> NodeMeta:
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"""create or update meta node information"""
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meta = self._get_meta_node(top)
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epoch = int(time.time())
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if not meta:
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attrs: Dict[str, Any] = {}
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attrs['created'] = epoch
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attrs['created_version'] = VERSION
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meta = NodeMeta(name=nodes.NAME_META,
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attr=attrs)
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meta.attr['access'] = epoch
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meta.attr['access_version'] = VERSION
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return meta
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def _get_meta_node(self, top: NodeTop) -> Optional[NodeMeta]:
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"""return the meta node if any"""
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try:
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found = next(filter(lambda x: x.type == nodes.TYPE_META,
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top.children))
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return cast(NodeMeta, found)
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except StopIteration:
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return None
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def clean_not_flagged(self, top: NodeTop) -> int:
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"""remove any node not flagged and clean flags"""
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cnt = 0
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for node in anytree.PreOrderIter(top):
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typcast_node(node)
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if node.type not in [nodes.TYPE_DIR, nodes.TYPE_FILE]:
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continue
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if self._clean(node):
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cnt += 1
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return cnt
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def _clean(self, node: NodeAny) -> bool:
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"""remove node if not flagged"""
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if not node.flagged():
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node.parent = None
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return True
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node.unflag()
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return False
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###############################################################
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# printing
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###############################################################
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def _print_node_csv(self, node: NodeAny,
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sep: str = ',',
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raw: bool = False) -> None:
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"""
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print a node to csv
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@node: the node to consider
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@sep: CSV separator character
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@raw: print raw size rather than human readable
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"""
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typcast_node(node)
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if not node:
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return
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if node.type == nodes.TYPE_TOP:
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return
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if node.type == nodes.TYPE_STORAGE:
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self.csv_printer.print_storage(node,
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sep=sep,
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raw=raw)
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else:
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self.csv_printer.print_node(node,
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sep=sep,
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raw=raw)
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def _print_node_du(self, node: NodeAny,
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raw: bool = False) -> None:
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"""
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print node du style
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"""
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typcast_node(node)
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thenodes = self._get_entire_tree(node,
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dironly=True)
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for thenode in thenodes:
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self.native_printer.print_du(thenode, raw=raw)
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def _print_node_native(self, node: NodeAny,
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pre: str = '',
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withpath: bool = False,
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withnbchildren: bool = False,
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withstorage: bool = False,
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raw: bool = False) -> None:
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"""
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print a node
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@node: the node to print
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@pre: string to print before node
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@withpath: print the node path
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@withnbchildren: print the node nb children
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@withstorage: print the node storage it belongs to
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@raw: print raw size rather than human readable
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"""
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typcast_node(node)
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if node.type == nodes.TYPE_TOP:
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# top node
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self.native_printer.print_top(pre, node.get_name())
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elif node.type == nodes.TYPE_FILE:
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# node of type file
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self.native_printer.print_file(pre, node,
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withpath=withpath,
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withstorage=withstorage,
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raw=raw)
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elif node.type == nodes.TYPE_DIR:
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# node of type directory
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self.native_printer.print_dir(pre,
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node,
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withpath=withpath,
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withstorage=withstorage,
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withnbchildren=withnbchildren,
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raw=raw)
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elif node.type == nodes.TYPE_STORAGE:
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# node of type storage
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self.native_printer.print_storage(pre,
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node,
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raw=raw)
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elif node.type == nodes.TYPE_ARCHIVED:
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# archive node
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if self.arc:
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self.native_printer.print_archive(pre, node.name, node.archive)
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else:
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Logger.err(f'bad node encountered: {node}')
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def print_tree(self, node: NodeAny,
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fmt: str = 'native',
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raw: bool = False) -> None:
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"""
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print the tree in different format
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@node: start node
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@style: when fmt=native, defines the tree style
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@fmt: output format
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@raw: print the raw size rather than human readable
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"""
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if fmt == 'native':
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# "tree" style
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rend = anytree.RenderTree(node, childiter=self._sort_tree)
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for pre, _, thenode in rend:
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self._print_node_native(thenode, pre=pre,
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withnbchildren=True, raw=raw)
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elif fmt == 'csv':
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# csv output
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self._print_nodes_csv(node, raw=raw)
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elif fmt == 'csv-with-header':
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# csv output
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self.csv_printer.print_header()
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self._print_nodes_csv(node, raw=raw)
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def _print_nodes_csv(self, node: NodeAny,
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raw: bool = False) -> None:
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"""print the tree to csv"""
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rend = anytree.RenderTree(node, childiter=self._sort_tree)
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for _, _, item in rend:
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self._print_node_csv(item, raw=raw)
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@staticmethod
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def _fzf_prompt(strings: Any) -> Any:
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"""prompt with fzf"""
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try:
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from pyfzf.pyfzf import FzfPrompt # pylint: disable=C0415 # noqa
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fzf = FzfPrompt()
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selected = fzf.prompt(strings)
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return selected
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except ModuleNotFoundError:
|
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Logger.err('install pyfzf to use fzf')
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return None
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|
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def _to_fzf(self, node: NodeAny, fmt: str) -> None:
|
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"""
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fzf prompt with list and print selected node(s)
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@node: node to start with
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@fmt: output format for selected nodes
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"""
|
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rendered = anytree.RenderTree(node, childiter=self._sort_tree)
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the_nodes = {}
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# construct node names list
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|
for _, _, rend in rendered:
|
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if not rend:
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continue
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parents = rend.get_fullpath()
|
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storage = rend.get_storage_node()
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fullpath = os.path.join(storage.get_name(), parents)
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the_nodes[fullpath] = rend
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# prompt with fzf
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paths = self._fzf_prompt(the_nodes.keys())
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# print the resulting tree
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subfmt = fmt.replace('fzf-', '')
|
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for path in paths:
|
|
if not path:
|
|
continue
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|
if path not in the_nodes:
|
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continue
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rend = the_nodes[path]
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self.print_tree(rend, fmt=subfmt)
|
|
|
|
@staticmethod
|
|
def to_dot(top: NodeTop,
|
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path: str = 'tree.dot') -> str:
|
|
"""export to dot for graphing"""
|
|
anytree.exporter.DotExporter(top).to_dotfile(path)
|
|
Logger.info(f'dot file created under \"{path}\"')
|
|
return f'dot {path} -T png -o /tmp/tree.png'
|
|
|
|
###############################################################
|
|
# searching
|
|
###############################################################
|
|
def find(self, top: NodeTop,
|
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key: str,
|
|
script: bool = False,
|
|
only_dir: bool = False,
|
|
startnode: Optional[NodeAny] = None,
|
|
fmt: str = 'native',
|
|
raw: bool = False) -> List[NodeAny]:
|
|
"""
|
|
find files based on their names
|
|
@top: top node
|
|
@key: term to search for
|
|
@script: output script
|
|
@directory: only search for directories
|
|
@startpath: node to start with
|
|
@fmt: output format
|
|
@raw: raw size output
|
|
returns the found nodes
|
|
"""
|
|
self._debug(f'searching for \"{key}\"')
|
|
|
|
# search for nodes based on path
|
|
start: Optional[NodeAny] = top
|
|
if startnode:
|
|
start = self.get_node(top, startnode)
|
|
filterfunc = self._callback_find_name(key, only_dir)
|
|
found = anytree.findall(start, filter_=filterfunc)
|
|
self._debug(f'found {len(found)} node(s)')
|
|
|
|
# compile found nodes
|
|
paths = {}
|
|
for item in found:
|
|
typcast_node(item)
|
|
item.set_name(item.get_name())
|
|
key = item.get_fullpath()
|
|
paths[key] = item
|
|
|
|
# handle fzf mode
|
|
if fmt.startswith('fzf'):
|
|
selected = self._fzf_prompt(paths.keys())
|
|
newpaths = {}
|
|
subfmt = fmt.replace('fzf-', '')
|
|
for item in selected:
|
|
if item not in paths:
|
|
continue
|
|
newpaths[item] = paths[item]
|
|
self.print_tree(newpaths[item], fmt=subfmt)
|
|
paths = newpaths
|
|
else:
|
|
if fmt == 'native':
|
|
for _, item in paths.items():
|
|
self._print_node_native(item,
|
|
withpath=True,
|
|
withnbchildren=True,
|
|
withstorage=True,
|
|
raw=raw)
|
|
elif fmt.startswith('csv'):
|
|
if fmt == 'csv-with-header':
|
|
self.csv_printer.print_header()
|
|
for _, item in paths.items():
|
|
self._print_node_csv(item, raw=raw)
|
|
|
|
# execute script if any
|
|
if script:
|
|
tmp = ['${source}/' + x for x in paths]
|
|
tmpstr = ' '.join(tmp)
|
|
cmd = f'op=file; source=/media/mnt; $op {tmpstr}'
|
|
Logger.info(cmd)
|
|
|
|
return list(paths.values())
|
|
|
|
def _callback_find_name(self, term: str, only_dir: bool) -> Any:
|
|
"""callback for finding files"""
|
|
def find_name(node: NodeAny) -> bool:
|
|
typcast_node(node)
|
|
path = node.get_fullpath()
|
|
if node.type == nodes.TYPE_STORAGE:
|
|
# ignore storage nodes
|
|
return False
|
|
if node.type == nodes.TYPE_TOP:
|
|
# ignore top nodes
|
|
return False
|
|
if node.type == nodes.TYPE_META:
|
|
# ignore meta nodes
|
|
return False
|
|
if only_dir and node.type == nodes.TYPE_DIR:
|
|
# ignore non directory
|
|
return False
|
|
|
|
# filter
|
|
if not term:
|
|
return True
|
|
if term in path:
|
|
return True
|
|
if self.debug:
|
|
Logger.debug(f'match \"{path}\" with \"{term}\"')
|
|
if fnmatch.fnmatch(path, term):
|
|
return True
|
|
|
|
# ignore
|
|
return False
|
|
return find_name
|
|
|
|
###############################################################
|
|
# fixsizes
|
|
###############################################################
|
|
def fixsizes(self, top: NodeTop) -> None:
|
|
"""fix node sizes"""
|
|
typcast_node(top)
|
|
rend = anytree.RenderTree(top)
|
|
for _, _, thenode in rend:
|
|
typcast_node(thenode)
|
|
thenode.nodesize = thenode.get_rec_size()
|
|
|
|
###############################################################
|
|
# ls
|
|
###############################################################
|
|
def list(self, top: NodeTop,
|
|
path: str,
|
|
rec: bool = False,
|
|
fmt: str = 'native',
|
|
raw: bool = False) -> List[NodeAny]:
|
|
"""
|
|
list nodes for "ls"
|
|
@top: top node
|
|
@path: path to search for
|
|
@rec: recursive walk
|
|
@fmt: output format
|
|
@raw: print raw size
|
|
"""
|
|
self._debug(f'ls walking path: \"{path}\" from \"{top.get_name()}\"')
|
|
resolv = anytree.resolver.Resolver('name')
|
|
found = []
|
|
try:
|
|
if '*' in path or '?' in path:
|
|
# we need to handle glob
|
|
self._debug('glob ls...')
|
|
found = resolv.glob(top, path)
|
|
else:
|
|
# we have a canonical path
|
|
self._debug('get ls...')
|
|
foundone = resolv.get(top, path)
|
|
cast(NodeAny, foundone)
|
|
typcast_node(foundone)
|
|
if foundone and foundone.may_have_children():
|
|
# let's find its children as well
|
|
modpath = os.path.join(path, '*')
|
|
found = resolv.glob(top, modpath)
|
|
else:
|
|
found = [foundone]
|
|
|
|
if len(found) < 1:
|
|
# nothing found
|
|
self._debug('nothing found')
|
|
return []
|
|
|
|
if rec:
|
|
# print the entire tree
|
|
self.print_tree(found[0].parent, fmt=fmt, raw=raw)
|
|
return found
|
|
|
|
# sort found nodes
|
|
found = sorted(found, key=os_sort_keygen(self._sort))
|
|
|
|
# print all found nodes
|
|
if fmt == 'csv-with-header':
|
|
self.csv_printer.print_header()
|
|
for item in found:
|
|
if fmt == 'native':
|
|
self._print_node_native(item,
|
|
withpath=True,
|
|
withnbchildren=True,
|
|
raw=raw)
|
|
elif fmt.startswith('csv'):
|
|
self._print_node_csv(item, raw=raw)
|
|
elif fmt.startswith('fzf'):
|
|
self._to_fzf(item, fmt)
|
|
|
|
except anytree.resolver.ChildResolverError:
|
|
pass
|
|
return found
|
|
|
|
###############################################################
|
|
# du
|
|
###############################################################
|
|
def diskusage(self, top: NodeTop,
|
|
path: str,
|
|
raw: bool = False) -> List[NodeAny]:
|
|
"""disk usage"""
|
|
self._debug(f'du walking path: \"{path}\" from \"{top.get_name()}\"')
|
|
resolv = anytree.resolver.Resolver('name')
|
|
found: NodeAny
|
|
try:
|
|
# we have a canonical path
|
|
self._debug('get du...')
|
|
found = resolv.get(top, path)
|
|
if not found:
|
|
# nothing found
|
|
self._debug('nothing found')
|
|
return []
|
|
|
|
self._debug(f'du found: {found}')
|
|
self._print_node_du(found, raw=raw)
|
|
except anytree.resolver.ChildResolverError:
|
|
pass
|
|
return found
|
|
|
|
###############################################################
|
|
# tree creation
|
|
###############################################################
|
|
def _add_entry(self, name: str,
|
|
top: NodeTop,
|
|
resolv: Any) -> None:
|
|
"""add an entry to the tree"""
|
|
entries = name.rstrip(os.sep).split(os.sep)
|
|
if len(entries) == 1:
|
|
self.new_archive_node(name, top, top.get_name())
|
|
return
|
|
sub = os.sep.join(entries[:-1])
|
|
nodename = entries[-1]
|
|
try:
|
|
parent = resolv.get(top, sub)
|
|
parent = self.new_archive_node(nodename, parent, top.get_name())
|
|
except anytree.resolver.ChildResolverError:
|
|
self.new_archive_node(nodename, top, top.get_name())
|
|
|
|
def list_to_tree(self, parent: NodeAny, names: List[str]) -> None:
|
|
"""convert list of files to a tree"""
|
|
if not names:
|
|
return
|
|
resolv = anytree.resolver.Resolver('name')
|
|
for name in names:
|
|
name = name.rstrip(os.sep)
|
|
self._add_entry(name, parent, resolv)
|
|
|
|
###############################################################
|
|
# diverse
|
|
###############################################################
|
|
def _get_entire_tree(self, start: NodeAny,
|
|
dironly: bool = False) -> List[NodeAny]:
|
|
"""
|
|
get entire tree and sort it
|
|
"""
|
|
typcast_node(start)
|
|
rend = anytree.RenderTree(start)
|
|
thenodes = []
|
|
if dironly:
|
|
for _, _, thenode in rend:
|
|
typcast_node(thenode)
|
|
if thenode.type == nodes.TYPE_DIR:
|
|
thenodes.append(thenode)
|
|
else:
|
|
thenodes = [x for _, _, x in rend]
|
|
return sorted(thenodes, key=os_sort_keygen(self._sort))
|
|
|
|
def _sort_tree(self,
|
|
items: List[NodeAny]) -> List[NodeAny]:
|
|
"""sorting a list of items"""
|
|
return sorted(items, key=self._sort, reverse=self.sortsize)
|
|
|
|
def _sort(self, lst: NodeAny) -> Any:
|
|
"""sort a list"""
|
|
if self.sortsize:
|
|
return self._sort_size(lst)
|
|
return self._sort_fs(lst)
|
|
|
|
@staticmethod
|
|
def _sort_fs(node: NodeAny) -> str:
|
|
"""sort by name"""
|
|
# to sort by types then name
|
|
return str(node.name)
|
|
|
|
@staticmethod
|
|
def _sort_size(node: NodeAny) -> float:
|
|
"""sorting nodes by size"""
|
|
try:
|
|
if not node.nodesize:
|
|
return 0
|
|
return float(node.nodesize)
|
|
except AttributeError:
|
|
return 0
|
|
|
|
@staticmethod
|
|
def _get_hash(path: str) -> str:
|
|
"""return md5 hash of node"""
|
|
try:
|
|
return md5sum(path)
|
|
except CatcliException as exc:
|
|
Logger.err(str(exc))
|
|
return ''
|
|
|
|
def _debug(self, string: str) -> None:
|
|
"""print debug"""
|
|
if not self.debug:
|
|
return
|
|
Logger.debug(string)
|