787 lines
28 KiB
Python
787 lines
28 KiB
Python
"""
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General file system methods.
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"""
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from builtins import object
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import filecmp
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import hashlib
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import logging
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import os
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import pathlib
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import re
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import sys
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import shutil
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import time
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from datetime import datetime, timedelta
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from dozo import constants
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from dozo import geolocation
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from dozo.media.media import get_media_class, get_all_subclasses
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from dozo.media.photo import CompareImages
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from dozo.summary import Summary
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class FileSystem(object):
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"""A class for interacting with the file system."""
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def __init__(self, cache=False, day_begins=0, dry_run=False, exclude_regex_list=set(),
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filter_by_ext=(), logger=logging.getLogger(), max_deep=None,
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mode='copy', path_format=None):
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self.cache = cache
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self.day_begins = day_begins
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self.dry_run = dry_run
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self.exclude_regex_list = exclude_regex_list
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self.filter_by_ext = filter_by_ext
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self.items = self.get_items()
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self.logger = logger
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self.max_deep = max_deep
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self.mode = mode
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# TODO have to be removed
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if path_format:
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self.path_format = path_format
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else:
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self.path_format = os.path.join(constants.default_path,
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constants.default_name)
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self.summary = Summary()
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self.whitespace_regex = '[ \t\n\r\f\v]+'
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def create_directory(self, directory_path):
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"""Create a directory if it does not already exist.
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:param str directory_name: A fully qualified path of the
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to create.
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:returns: bool
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"""
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try:
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if os.path.exists(directory_path):
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return True
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else:
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if not self.dry_run:
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os.makedirs(directory_path)
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self.logger.info(f'Create {directory_path}')
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return True
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except OSError:
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# OSError is thrown for cases like no permission
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pass
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return False
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def get_items(self):
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return {
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'album': '{album}',
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'basename': '{basename}',
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'camera_make': '{camera_make}',
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'camera_model': '{camera_model}',
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'city': '{city}',
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'custom': '{".*"}',
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'country': '{country}',
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# 'folder': '{folder[<>]?[-+]?[1-9]?}',
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'ext': '{ext}',
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'folder': '{folder}',
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'folders': r'{folders(\[[0-9:]{0,3}\])?}',
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'location': '{location}',
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'name': '{name}',
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'original_name': '{original_name}',
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'state': '{state}',
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'title': '{title}',
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'date': '{(%[a-zA-Z][^a-zA-Z]*){1,8}}' # search for date format string
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}
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def walklevel(self, src_path, maxlevel=None):
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"""
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Walk into input directory recursively until desired maxlevel
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source: https://stackoverflow.com/questions/229186/os-walk-without-digging-into-directories-below
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"""
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src_path = src_path.rstrip(os.path.sep)
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if not os.path.isdir(src_path):
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return None
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num_sep = src_path.count(os.path.sep)
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for root, dirs, files in os.walk(src_path):
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level = root.count(os.path.sep) - num_sep
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yield root, dirs, files, level
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if maxlevel is not None and level >= maxlevel:
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del dirs[:]
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def get_all_files(self, path, extensions=False, exclude_regex_list=set()):
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"""Recursively get all files which match a path and extension.
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:param str path string: Path to start recursive file listing
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:param tuple(str) extensions: File extensions to include (whitelist)
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:returns: generator
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"""
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if self.filter_by_ext != () and not extensions:
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# Filtering files by extensions.
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if '%media' in self.filter_by_ext:
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extensions = set()
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subclasses = get_all_subclasses()
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for cls in subclasses:
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extensions.update(cls.extensions)
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else:
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extensions = self.filter_by_ext
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# Create a list of compiled regular expressions to match against the file path
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compiled_regex_list = [re.compile(regex) for regex in exclude_regex_list]
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for dirname, dirnames, filenames in os.walk(path):
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if dirname == os.path.join(path, '.dozo'):
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continue
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for filename in filenames:
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# If file extension is in `extensions`
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# And if file path is not in exclude regexes
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# Then append to the list
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filename_path = os.path.join(dirname, filename)
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if (
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extensions == False
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or os.path.splitext(filename)[1][1:].lower() in extensions
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and not self.should_exclude(filename_path, compiled_regex_list, False)
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):
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yield filename_path
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def check_for_early_morning_photos(self, date):
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"""check for early hour photos to be grouped with previous day"""
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if date.hour < self.day_begins:
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self.logger.info('moving this photo to the previous day for\
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classification purposes (day_begins=' + str(self.day_begins) + ')')
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date = date - timedelta(hours=date.hour+1) # push it to the day before for classificiation purposes
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return date
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def get_location_part(self, mask, part, place_name):
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"""Takes a mask for a location and interpolates the actual place names.
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Given these parameters here are the outputs.
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mask = 'city'
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part = 'city-random'
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place_name = {'city': u'Sunnyvale'}
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return 'Sunnyvale'
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mask = 'location'
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part = 'location'
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place_name = {'default': u'Sunnyvale', 'city': u'Sunnyvale'}
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return 'Sunnyvale'
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:returns: str
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"""
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folder_name = part
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if(mask in place_name):
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replace_target = mask
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replace_with = place_name[mask]
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else:
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replace_target = part
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replace_with = ''
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folder_name = folder_name.replace(
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replace_target,
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replace_with,
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)
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return folder_name
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def get_part(self, item, mask, metadata, db, subdirs):
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"""Parse a specific folder's name given a mask and metadata.
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:param item: Name of the item as defined in the path (i.e. date from %date)
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:param mask: Mask representing the template for the path (i.e. %city %state
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:param metadata: Metadata dictionary.
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:returns: str
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"""
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# Each item has its own custom logic and we evaluate a single item and return
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# the evaluated string.
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part = ''
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if item == 'basename':
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part = os.path.basename(metadata['base_name'])
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elif item == 'name':
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# Remove date prefix added to the name.
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part = metadata['base_name']
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for i, rx in self.match_date_from_string(metadata['base_name']):
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part = re.sub(rx, '', part)
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elif item == 'date':
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date = self.get_date_taken(metadata)
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# early morning photos can be grouped with previous day
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date = self.check_for_early_morning_photos(date)
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if date is not None:
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part = date.strftime(mask)
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elif item in ('location', 'city', 'state', 'country'):
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place_name = geolocation.place_name(
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metadata['latitude'],
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metadata['longitude'],
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db,
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self.cache,
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self.logger
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)
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if item == 'location':
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mask = 'default'
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part = self.get_location_part(mask, item, place_name)
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elif item == 'folder':
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part = os.path.basename(subdirs)
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elif item == 'folders':
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folders = pathlib.Path(subdirs).parts
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folders = eval(mask)
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part = os.path.join(*folders)
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elif item in ('album','camera_make', 'camera_model', 'ext',
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'title'):
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if metadata[item]:
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part = metadata[item]
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elif item in ('original_name'):
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# First we check if we have metadata['original_name'].
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# We have to do this for backwards compatibility because
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# we original did not store this back into EXIF.
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if metadata[item]:
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part = os.path.splitext(metadata['original_name'])[0]
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elif item in 'custom':
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# Fallback string
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part = mask[1:-1]
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return part
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def get_path(self, metadata, db, subdirs='', whitespace_sub='_'):
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"""path_format: {%Y-%d-%m}/%u{city}/{album}
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Returns file path.
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:returns: string"""
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path_format = self.path_format
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path = []
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path_parts = path_format.split('/')
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for path_part in path_parts:
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this_parts = path_part.split('|')
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# p = []
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for this_part in this_parts:
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# parts = ''
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for item, regex in self.items.items():
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matched = re.search(regex, this_part)
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if matched:
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# parts = re.split(mask, this_part)
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# parts = this_part.split('%')[1:]
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part = self.get_part(item, matched.group()[1:-1], metadata, db,
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subdirs)
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part = part.strip()
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# Capitalization
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u_regex = '%u' + regex
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l_regex = '%l' + regex
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if re.search(u_regex, this_part):
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this_part = re.sub(u_regex, part.upper(), this_part)
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elif re.search(l_regex, this_part):
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this_part = re.sub(l_regex, part.lower(), this_part)
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else:
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this_part = re.sub(regex, part, this_part)
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if this_part:
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# Check if all masks are substituted
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if True in [c in this_part for c in '{}']:
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self.logger.error(f'Format path part invalid: \
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{this_part}')
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sys.exit(1)
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path.append(this_part.strip())
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# We break as soon as we have a value to append
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break
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# Else we continue for fallbacks
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if(len(path[-1]) == 0):
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path[-1] = metadata['base_name']
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path_string = os.path.join(*path)
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if whitespace_sub != ' ':
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# Lastly we want to sanitize the name
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path_string = re.sub(self.whitespace_regex, whitespace_sub, path_string)
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return path_string
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def match_date_from_string(self, string, user_regex=None):
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if user_regex is not None:
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matches = re.findall(user_regex, string)
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else:
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regex = {
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# regex to match date format type %Y%m%d, %y%m%d, %d%m%Y,
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# etc...
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'a': re.compile(
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r'.*[_-]?(?P<year>\d{4})[_-]?(?P<month>\d{2})[_-]?(?P<day>\d{2})[_-]?(?P<hour>\d{2})[_-]?(?P<minute>\d{2})[_-]?(?P<second>\d{2})'),
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'b': re.compile (
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r'[-_./](?P<year>\d{4})[-_.]?(?P<month>\d{2})[-_.]?(?P<day>\d{2})[-_./]'),
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# not very accurate
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'c': re.compile (
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r'[-_./](?P<year>\d{2})[-_.]?(?P<month>\d{2})[-_.]?(?P<day>\d{2})[-_./]'),
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'd': re.compile (
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r'[-_./](?P<day>\d{2})[-_.](?P<month>\d{2})[-_.](?P<year>\d{4})[-_./]')
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}
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for i, rx in regex.items():
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yield i, rx
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def get_date_from_string(self, string, user_regex=None):
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# If missing datetime from EXIF data check if filename is in datetime format.
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# For this use a user provided regex if possible.
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# Otherwise assume a filename such as IMG_20160915_123456.jpg as default.
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matches = []
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for i, rx in self.match_date_from_string(string, user_regex):
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match = re.findall(rx, string)
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if match != []:
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if i == 'c':
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match = [('20' + match[0][0], match[0][1], match[0][2])]
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elif i == 'd':
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# reorder items
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match = [(match[0][2], match[0][1], match[0][0])]
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# matches = match + matches
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if len(match) != 1:
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# The time string is not uniq
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continue
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matches.append((match[0], rx))
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# We want only the first match for the moment
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break
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# check if there is only one result
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if len(set(matches)) == 1:
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try:
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# Convert str to int
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date_object = tuple(map(int, matches[0][0]))
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time = False
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if len(date_object) > 3:
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time = True
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date = datetime(*date_object)
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except (KeyError, ValueError):
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return None
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return date
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return None
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def get_date_taken(self, metadata):
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'''
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Get the date taken from metadata or filename
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:returns: datetime or None.
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'''
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if metadata is None:
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return None
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basename = metadata['base_name']
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date_original = metadata['date_original']
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if metadata['original_name'] is not None:
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date_filename = self.get_date_from_string(metadata['original_name'])
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else:
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date_filename = self.get_date_from_string(basename)
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date_created = metadata['date_created']
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if metadata['date_original'] is not None:
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if (date_filename is not None and
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date_filename != date_original):
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self.logger.warn(f"{basename} time mark is different from {date_original}")
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# TODO ask for keep date taken, filename time, or neither
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return metadata['date_original']
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elif True:
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if date_filename is not None:
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if date_created is not None and date_filename > date_created:
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self.logger.warn(f"{basename} time mark is more recent than {date_created}")
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return date_filename
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if True:
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# TODO warm and ask for confirmation
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if date_created is not None:
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return date_created
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elif metadata['date_modified'] is not None:
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return metadata['date_modified']
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def checksum(self, file_path, blocksize=65536):
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"""Create a hash value for the given file.
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See http://stackoverflow.com/a/3431835/1318758.
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:param str file_path: Path to the file to create a hash for.
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:param int blocksize: Read blocks of this size from the file when
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creating the hash.
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:returns: str or None
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"""
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hasher = hashlib.sha256()
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with open(file_path, 'rb') as f:
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buf = f.read(blocksize)
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while len(buf) > 0:
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hasher.update(buf)
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buf = f.read(blocksize)
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return hasher.hexdigest()
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return None
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def checkcomp(self, dest_path, src_checksum):
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"""Check file.
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"""
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# src_checksum = self.checksum(src_path)
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if self.dry_run:
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return src_checksum
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dest_checksum = self.checksum(dest_path)
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if dest_checksum != src_checksum:
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self.logger.info(f'Source checksum and destination checksum are not the same')
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return False
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return src_checksum
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|
|
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def sort_file(self, src_path, dest_path, remove_duplicates=True):
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'''Copy or move file to dest_path.'''
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mode = self.mode
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dry_run = self.dry_run
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# check for collisions
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if(src_path == dest_path):
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self.logger.info(f'File {dest_path} already sorted')
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return True
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if os.path.isfile(dest_path):
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self.logger.info(f'File {dest_path} already exist')
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if remove_duplicates:
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if filecmp.cmp(src_path, dest_path):
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self.logger.info(f'File in source and destination are identical. Duplicate will be ignored.')
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if(mode == 'move'):
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if not dry_run:
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os.remove(src_path)
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self.logger.info(f'remove: {src_path}')
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return True
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else: # name is same, but file is different
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self.logger.info(f'File in source and destination are different.')
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return False
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else:
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return False
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else:
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if(mode == 'move'):
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if not dry_run:
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# Move the processed file into the destination directory
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shutil.move(src_path, dest_path)
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self.logger.info(f'move: {src_path} -> {dest_path}')
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elif mode == 'copy':
|
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if not dry_run:
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shutil.copy2(src_path, dest_path)
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self.logger.info(f'copy: {src_path} -> {dest_path}')
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return True
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return False
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|
|
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def check_file(self, src_path, dest_path, src_checksum, db):
|
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|
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# Check if file remain the same
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checksum = self.checkcomp(dest_path, src_checksum)
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has_errors = False
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if checksum:
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if not self.dry_run:
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db.add_hash(checksum, dest_path)
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db.update_hash_db()
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|
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if dest_path:
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self.logger.info(f'{src_path} -> {dest_path}')
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self.summary.append((src_path, dest_path))
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else:
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self.logger.error(f'Files {src_path} and {dest_path} are not identical')
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# sys.exit(1)
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self.summary.append((src_path, False))
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has_errors = True
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return self.summary, has_errors
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|
|
|
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def get_files_in_path(self, path, extensions=False):
|
|
"""Recursively get files which match a path and extension.
|
|
|
|
:param str path string: Path to start recursive file listing
|
|
:param tuple(str) extensions: File extensions to include (whitelist)
|
|
:returns: file_path, subdirs
|
|
"""
|
|
if self.filter_by_ext != () and not extensions:
|
|
# Filtering files by extensions.
|
|
if '%media' in self.filter_by_ext:
|
|
extensions = set()
|
|
subclasses = get_all_subclasses()
|
|
for cls in subclasses:
|
|
extensions.update(cls.extensions)
|
|
else:
|
|
extensions = self.filter_by_ext
|
|
|
|
file_list = set()
|
|
if os.path.isfile(path):
|
|
if not self.should_exclude(path, self.exclude_regex_list, True):
|
|
file_list.add((path, ''))
|
|
|
|
# Create a list of compiled regular expressions to match against the file path
|
|
compiled_regex_list = [re.compile(regex) for regex in self.exclude_regex_list]
|
|
|
|
subdirs = ''
|
|
for dirname, dirnames, filenames, level in self.walklevel(path,
|
|
self.max_deep):
|
|
if dirname == os.path.join(path, '.dozo'):
|
|
continue
|
|
|
|
subdirs = os.path.join(subdirs, os.path.basename(dirname))
|
|
|
|
for filename in filenames:
|
|
# If file extension is in `extensions`
|
|
# And if file path is not in exclude regexes
|
|
# Then append to the list
|
|
filename_path = os.path.join(dirname, filename)
|
|
if (
|
|
extensions == False
|
|
or os.path.splitext(filename)[1][1:].lower() in extensions
|
|
and not self.should_exclude(filename_path, compiled_regex_list, False)
|
|
):
|
|
file_list.add((filename_path, subdirs))
|
|
|
|
return file_list
|
|
|
|
|
|
def sort_files(self, paths, destination, db, remove_duplicates=False,
|
|
ignore_tags=set()):
|
|
"""
|
|
Sort files into appropriate folder
|
|
"""
|
|
has_errors = False
|
|
for path in paths:
|
|
# some error checking
|
|
if not os.path.exists(path):
|
|
self.logger.error(f'Directory {path} does not exist')
|
|
|
|
path = os.path.expanduser(path)
|
|
|
|
conflict_file_list = set()
|
|
for src_path, subdirs in self.get_files_in_path(path):
|
|
# Process files
|
|
src_checksum = self.checksum(src_path)
|
|
media = get_media_class(src_path, ignore_tags, self.logger)
|
|
if media:
|
|
metadata = media.get_metadata()
|
|
# Get the destination path according to metadata
|
|
file_path = self.get_path(metadata, db, subdirs=subdirs)
|
|
else:
|
|
# Keep same directory structure
|
|
file_path = os.path.relpath(src_path, path)
|
|
|
|
dest_directory = os.path.join(destination,
|
|
os.path.dirname(file_path))
|
|
dest_path = os.path.join(destination, file_path)
|
|
|
|
self.create_directory(dest_directory)
|
|
result = self.sort_file(src_path, dest_path, remove_duplicates)
|
|
if result:
|
|
self.summary, has_errors = self.check_file(src_path,
|
|
dest_path, src_checksum, db)
|
|
else:
|
|
# There is conflict files
|
|
conflict_file_list.add((src_path, dest_path))
|
|
|
|
for src_path, dest_path in conflict_file_list:
|
|
# Try to sort the file
|
|
result = self.sort_file(src_path, dest_path, remove_duplicates)
|
|
if result:
|
|
conflict_file_list.remove((src_path, dest_path))
|
|
else:
|
|
n = 1
|
|
while not result:
|
|
# Add appendix to the name
|
|
pre, ext = os.path.splitext(dest_path)
|
|
dest_path = pre + '_' + str(n) + ext
|
|
result = self.sort_file(src_path, dest_path, remove_duplicates)
|
|
if n > 100:
|
|
self.logger.error(f'{self.mode}: to many append for {dest_path}...')
|
|
break
|
|
self.logger.info(f'Same name already exists...renaming to: {dest_path}')
|
|
|
|
if result:
|
|
self.summary, has_errors = self.check_file(src_path,
|
|
dest_path, src_checksum, db)
|
|
else:
|
|
self.summary.append((src_path, False))
|
|
has_errors = True
|
|
|
|
return self.summary, has_errors
|
|
|
|
|
|
def check_path(self, path):
|
|
path = os.path.abspath(os.path.expanduser(path))
|
|
|
|
# some error checking
|
|
if not os.path.exists(path):
|
|
self.logger.error(f'Directory {path} does not exist')
|
|
sys.exit(1)
|
|
|
|
return path
|
|
|
|
|
|
def set_hash(self, result, src_path, dest_path, src_checksum, db):
|
|
if result:
|
|
# Check if file remain the same
|
|
result = self.checkcomp(dest_path, src_checksum)
|
|
has_errors = False
|
|
if result:
|
|
if not self.dry_run:
|
|
db.add_hash(checksum, dest_path)
|
|
db.update_hash_db()
|
|
|
|
if dest_path:
|
|
self.logger.info(f'{src_path} -> {dest_path}')
|
|
|
|
self.summary.append((src_path, dest_path))
|
|
|
|
else:
|
|
self.logger.error(f'Files {src_path} and {dest_path} are not identical')
|
|
# sys.exit(1)
|
|
self.summary.append((src_path, False))
|
|
has_errors = True
|
|
else:
|
|
self.summary.append((src_path, False))
|
|
has_errors = True
|
|
|
|
return has_errors
|
|
|
|
|
|
def move_file(self, img_path, dest_path, checksum, db):
|
|
if not self.dry_run:
|
|
try:
|
|
shutil.move(img_path, dest_path)
|
|
except OSError as error:
|
|
self.logger.error(error)
|
|
|
|
self.logger.info(f'move: {img_path} -> {dest_path}')
|
|
return self.set_hash(True, img_path, dest_path, checksum, db)
|
|
|
|
|
|
def sort_similar_images(self, path, db, similarity=80):
|
|
|
|
has_errors = False
|
|
path = self.check_path(path)
|
|
for dirname, dirnames, filenames, level in self.walklevel(path, None):
|
|
if dirname == os.path.join(path, '.dozo'):
|
|
continue
|
|
if dirname.find('similar_to') == 0:
|
|
continue
|
|
|
|
file_paths = set()
|
|
for filename in filenames:
|
|
file_paths.add(os.path.join(dirname, filename))
|
|
|
|
ci = CompareImages(file_paths, logger=self.logger)
|
|
|
|
images = set([ i for i in ci.get_images() ])
|
|
for image in images:
|
|
if not os.path.isfile(image):
|
|
continue
|
|
checksum1 = self.checksum(image)
|
|
# Process files
|
|
# media = get_media_class(src_path, False, self.logger)
|
|
# TODO compare metadata
|
|
# if media:
|
|
# metadata = media.get_metadata()
|
|
similar = False
|
|
moved_imgs = set()
|
|
for img_path in ci.find_similar(image, similarity):
|
|
similar = True
|
|
checksum2 = self.checksum(img_path)
|
|
# move image into directory
|
|
name = os.path.splitext(os.path.basename(image))[0]
|
|
directory_name = 'similar_to_' + name
|
|
dest_directory = os.path.join(os.path.dirname(img_path),
|
|
directory_name)
|
|
dest_path = os.path.join(dest_directory, os.path.basename(img_path))
|
|
|
|
result = self.create_directory(dest_directory)
|
|
# Move the simlars file into the destination directory
|
|
if result:
|
|
result = self.move_file(img_path, dest_path, checksum2, db)
|
|
moved_imgs.add(img_path)
|
|
if not result:
|
|
has_errors = True
|
|
else:
|
|
has_errors = True
|
|
|
|
|
|
if similar:
|
|
dest_path = os.path.join(dest_directory,
|
|
os.path.basename(image))
|
|
result = self.move_file(image, dest_path, checksum1, db)
|
|
moved_imgs.add(image)
|
|
if not result:
|
|
has_errors = True
|
|
|
|
for moved_img in moved_imgs:
|
|
ci.file_paths.remove(moved_img)
|
|
|
|
return self.summary, has_errors
|
|
|
|
|
|
def revert_compare(self, path, db):
|
|
|
|
has_errors = False
|
|
path = self.check_path(path)
|
|
for dirname, dirnames, filenames, level in self.walklevel(path, None):
|
|
if dirname == os.path.join(path, '.dozo'):
|
|
continue
|
|
if dirname.find('similar_to') == 0:
|
|
continue
|
|
|
|
for subdir in dirnames:
|
|
if subdir.find('similar_to') == 0:
|
|
file_names = os.listdir(os.path.abspath(os.path.join(dirname, subdir)))
|
|
for file_name in file_names:
|
|
# move file to initial folder
|
|
img_path = os.path.join(dirname, subdir, file_name)
|
|
if os.path.isdir(img_path):
|
|
continue
|
|
checksum = self.checksum(img_path)
|
|
dest_path = os.path.join(dirname, os.path.basename(img_path))
|
|
result = self.move_file(img_path, dest_path, checksum, db)
|
|
if not result:
|
|
has_errors = True
|
|
# remove directory
|
|
try:
|
|
os.rmdir(os.path.join (dirname, subdir))
|
|
except OSError as error:
|
|
self.logger.error(error)
|
|
|
|
return self.summary, has_errors
|
|
|
|
|
|
def set_utime_from_metadata(self, date_taken, file_path):
|
|
""" Set the modification time on the file based on the file name.
|
|
"""
|
|
|
|
# Initialize date taken to what's returned from the metadata function.
|
|
os.utime(file_path, (int(datetime.now().timestamp()), int(date_taken.timestamp())))
|
|
|
|
|
|
def should_exclude(self, path, regex_list=set(), needs_compiled=False):
|
|
if(len(regex_list) == 0):
|
|
return False
|
|
|
|
if(needs_compiled):
|
|
compiled_list = []
|
|
for regex in regex_list:
|
|
compiled_list.append(re.compile(regex))
|
|
regex_list = compiled_list
|
|
|
|
return any(regex.search(path) for regex in regex_list)
|