/usr/lib/python3/dist-packages/raphodo/rpdsql.py is in rapid-photo-downloader 0.9.9-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2015-2017 Damon Lynch <damonlynch@gmail.com>
# This file is part of Rapid Photo Downloader.
#
# Rapid Photo Downloader is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Rapid Photo Downloader is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Rapid Photo Downloader. If not,
# see <http://www.gnu.org/licenses/>.
__author__ = 'Damon Lynch'
__copyright__ = "Copyright 2015-2017, Damon Lynch"
import sqlite3
import os
import datetime
from collections import namedtuple
from typing import Optional, List, Tuple, Any, Sequence
import logging
from PyQt5.QtCore import Qt
from raphodo.storage import (get_program_data_directory, get_program_cache_directory)
from raphodo.utilities import divide_list_on_length
from raphodo.photoattributes import PhotoAttributes
from raphodo.constants import FileType, Sort, Show
from raphodo.utilities import runs
FileDownloaded = namedtuple('FileDownloaded', 'download_name, download_datetime')
InCache = namedtuple('InCache', 'md5_name, mdatatime, orientation_unknown, failure')
ThumbnailRow = namedtuple('ThumbnailRow', 'uid, scan_id, mtime, marked, file_name, extension, '
'file_type, downloaded, previously_downloaded, '
'job_code, proximity_col1, proximity_col2')
sqlite3.register_adapter(bool, int)
sqlite3.register_converter("BOOLEAN", lambda v: bool(int(v)))
sqlite3.register_adapter(FileType, int)
sqlite3.register_converter("FILETYPE", lambda v: FileType(int(v)))
class ThumbnailRowsSQL:
"""
In memory database of thumbnail rows displayed in main window.
"""
def __init__(self) -> None:
"""
"""
self.db = ':memory:'
self.sort_order_map = {Qt.AscendingOrder: 'ASC', Qt.DescendingOrder: 'DESC'}
self.sort_map = {Sort.checked_state: 'marked', Sort.filename: 'file_name',
Sort.extension: 'extension', Sort.file_type: 'file_type',
Sort.device: 'device_name'}
self.conn = sqlite3.connect(self.db, detect_types=sqlite3.PARSE_DECLTYPES)
self.conn.execute("""CREATE TABLE devices (
scan_id INTEGER NOT NULL,
device_name TEXT NOT NULL,
PRIMARY KEY (scan_id)
)""")
self.conn.execute("""CREATE TABLE files (
uid BLOB PRIMARY KEY,
scan_id INTEGER NOT NULL,
mtime REAL NOT NULL,
marked BOOLEAN NOT NULL,
file_name TEXT NOT NULL,
extension TEXT NOT NULL,
file_type FILETYPE NOT NULL,
downloaded BOOLEAN NOT NULL,
previously_downloaded BOOLEAN NOT NULL,
job_code BOOLEAN NOT NULL,
proximity_col1 INTEGER NOT NULL,
proximity_col2 INTEGER NOT NULL,
FOREIGN KEY (scan_id) REFERENCES devices (scan_id)
)""")
self.conn.execute('CREATE INDEX IF NOT EXISTS scand_id_idx ON devices (scan_id)')
self.conn.execute('CREATE INDEX IF NOT EXISTS marked_idx ON files (marked)')
self.conn.execute('CREATE INDEX IF NOT EXISTS file_type_idx ON files (file_type)')
self.conn.execute('CREATE INDEX IF NOT EXISTS downloaded_idx ON files (downloaded)')
self.conn.execute("""CREATE INDEX IF NOT EXISTS previously_downloaded_idx ON files
(previously_downloaded)""")
self.conn.execute("""CREATE INDEX IF NOT EXISTS job_code_idx ON files
(job_code)""")
self.conn.execute("""CREATE INDEX IF NOT EXISTS proximity_col1_idx ON files
(proximity_col1)""")
self.conn.execute("""CREATE INDEX IF NOT EXISTS proximity_col2_idx ON files
(proximity_col2)""")
self.conn.commit()
def add_or_update_device(self, scan_id: int, device_name: str) -> None:
query = 'INSERT OR REPLACE INTO devices (scan_id, device_name) VALUES (?,?)'
logging.debug('%s (%s, %s)', query, scan_id, device_name)
self.conn.execute(query, (scan_id, device_name))
self.conn.commit()
def get_all_devices(self) -> List[int]:
query = 'SELECT scan_id FROM devices'
rows = self.conn.execute(query).fetchall()
return [row[0] for row in rows]
def add_thumbnail_rows(self, thumbnail_rows: Sequence[ThumbnailRow]) -> None:
"""
Add a list of rows to database of thumbnail rows
"""
logging.debug("Adding %s rows to db", len(thumbnail_rows))
self.conn.executemany(r"""INSERT INTO files (uid, scan_id, mtime, marked, file_name,
extension, file_type, downloaded, previously_downloaded, job_code, proximity_col1,
proximity_col2)
VALUES (?,?,?,?,?,?,?,?,?,?,?,?)""", thumbnail_rows)
self.conn.commit()
def _build_where(self, scan_id: Optional[int]=None,
show: Optional[Show]=None,
previously_downloaded: Optional[bool]=None,
downloaded: Optional[bool]=None,
job_code: Optional[bool]=None,
file_type: Optional[FileType]=None,
marked: Optional[bool]=None,
extensions: Optional[List[str]]=None,
proximity_col1: Optional[List[int]]=None,
proximity_col2: Optional[List[int]]=None,
exclude_scan_ids: Optional[List[int]]=None,
uids: Optional[List[bytes]]=None,) -> Tuple[str, List[Any]]:
where_clauses = []
where_values = []
if scan_id is not None:
where_clauses.append('scan_id=?')
where_values.append(scan_id)
if marked is not None:
where_clauses.append('marked=?')
where_values.append(marked)
if file_type is not None:
where_clauses.append('file_type=?')
where_values.append(file_type)
if show == Show.new_only:
where_clauses.append('previously_downloaded=0')
elif previously_downloaded is not None:
where_clauses.append('previously_downloaded=?')
where_values.append(previously_downloaded)
if downloaded is not None:
where_clauses.append('downloaded=?')
where_values.append(downloaded)
if job_code is not None:
where_clauses.append('job_code=?')
where_values.append(job_code)
if extensions is not None:
if len(extensions) == 1:
where_clauses.append('extension=?')
where_values.append(extensions[0])
else:
where_clauses.append('extension IN ({})'.format(','.join('?' * len(extensions))))
where_values.extend(extensions)
if uids is not None:
if len(uids) == 1:
where_clauses.append('uid=?')
where_values.append(uids[0])
else:
# assume max host parameters in a single SQL statement is 999
if len(uids) > 900:
uids = uids[:900]
where_clauses.append('uid IN ({})'.format(','.join('?' * len(uids))))
where_values.extend(uids)
if exclude_scan_ids is not None:
if len(exclude_scan_ids) == 1:
where_clauses.append(('scan_id!=?'))
where_values.append(exclude_scan_ids[0])
else:
where_clauses.append('scan_id NOT IN ({})'.format(','.join('?' * len(
exclude_scan_ids))))
where_values.extend(exclude_scan_ids)
for p, col_name in ((proximity_col1, 'proximity_col1'), (proximity_col2, 'proximity_col2')):
if not p:
continue
if len(p) == 1:
where_clauses.append('{}=?'.format(col_name))
where_values.append(p[0])
else:
p.sort()
or_clauses = []
for first, last in runs(p):
if first == last:
or_clauses.append('{}=?'.format(col_name))
where_values.append(first)
else:
or_clauses.append('({} BETWEEN ? AND ?)'.format(col_name, first,
last))
where_values.extend((first, last))
where_clauses.append('({})'.format(' OR '.join(or_clauses)))
where = ' AND '.join(where_clauses)
return where, where_values
def _build_sort(self, sort_by: Sort, sort_order: Qt.SortOrder) -> str:
if sort_by == Sort.modification_time:
sort = 'ORDER BY mtime {}'.format(self.sort_order_map[sort_order])
else:
sort = 'ORDER BY {0} {1}, mtime {1}'.format(
self.sort_map[sort_by], self.sort_order_map[sort_order]
)
return sort
def get_view(self, sort_by: Sort,
sort_order: Qt.SortOrder,
show: Show,
proximity_col1: Optional[List[int]] = None,
proximity_col2: Optional[List[int]] = None) -> List[Tuple[bytes, bool]]:
where, where_values = self._build_where(
show=show, proximity_col1=proximity_col1, proximity_col2=proximity_col2
)
sort = self._build_sort(sort_by, sort_order)
query = 'SELECT uid, marked FROM files'
if sort_by == Sort.device:
query = '{} NATURAL JOIN devices'.format(query)
if where:
query = '{} WHERE {}'.format(query, where)
query = '{} {}'.format(query, sort)
if where:
logging.debug('%s %s', query, where_values)
return self.conn.execute(query, tuple(where_values)).fetchall()
else:
logging.debug('%s', query)
return self.conn.execute(query).fetchall()
def get_first_uid_from_uid_list(self, sort_by: Sort,
sort_order: Qt.SortOrder,
show: Show,
uids: List[bytes],
proximity_col1: Optional[List[int]] = None,
proximity_col2: Optional[List[int]] = None) -> Optional[bytes]:
"""
Given a list of uids, and sort and filtering criteria, return the first
uid that the user will have displayed -- if any are displayed.
"""
where, where_values = self._build_where(
show=show, proximity_col1=proximity_col1, proximity_col2=proximity_col2, uids=uids
)
sort = self._build_sort(sort_by, sort_order)
query = 'SELECT uid FROM files'
if sort_by == Sort.device:
query = '{} NATURAL JOIN devices'.format(query)
query = '{} WHERE {}'.format(query, where)
query = '{} {}'.format(query, sort)
logging.debug('%s (using %s where values)', query, len(where_values))
row = self.conn.execute(query, tuple(where_values)).fetchone()
if row:
return row[0]
return None
def get_uids(self, scan_id: Optional[int]=None,
show: Optional[Show]=None,
previously_downloaded: Optional[bool]=None,
downloaded: Optional[bool]=None,
job_code: Optional[bool]=None,
file_type: Optional[FileType]=None,
marked: Optional[bool]=None,
proximity_col1: Optional[List[int]]=None,
proximity_col2: Optional[List[int]]=None,
exclude_scan_ids: Optional[List[int]]=None,
return_file_name=False) -> List[bytes]:
where, where_values = self._build_where(scan_id=scan_id, show=show,
previously_downloaded=previously_downloaded,
downloaded=downloaded, file_type=file_type,
job_code=job_code,
marked=marked, proximity_col1=proximity_col1,
proximity_col2=proximity_col2,
exclude_scan_ids=exclude_scan_ids)
if return_file_name:
query = 'SELECT file_name FROM files'
else:
query = 'SELECT uid FROM files'
if where:
query = '{} WHERE {}'.format(query, where)
if where_values:
logging.debug('%s %s', query, where_values)
rows = self.conn.execute(query, tuple(where_values)).fetchall()
else:
logging.debug('%s', query)
rows = self.conn.execute(query).fetchall()
return [row[0] for row in rows]
def get_count(self, scan_id: Optional[int]=None,
show: Optional[Show]=None,
previously_downloaded: Optional[bool]=None,
downloaded: Optional[bool]=None,
job_code: Optional[bool]=None,
file_type: Optional[FileType]=None,
marked: Optional[bool] = None,
proximity_col1: Optional[List[int]]=None,
proximity_col2: Optional[List[int]]=None) -> int:
where, where_values = self._build_where(scan_id=scan_id, show=show,
previously_downloaded=previously_downloaded,
downloaded=downloaded, job_code=job_code,
file_type=file_type,
marked=marked, proximity_col1=proximity_col1,
proximity_col2=proximity_col2)
query = 'SELECT COUNT(*) FROM files'
if where:
query = '{} WHERE {}'.format(query, where)
if where_values:
# logging.debug('%s %s', query, where_values)
rows = self.conn.execute(query, tuple(where_values)).fetchone()
else:
# logging.debug('%s', query)
rows = self.conn.execute(query).fetchone()
return rows[0]
def validate_uid(self, uid: bytes) -> None:
rows = self.conn.execute('SELECT uid FROM files WHERE uid=?', (uid, )).fetchall()
if not rows:
raise KeyError('UID does not exist in database')
def set_marked(self, uid: bytes, marked: bool) -> None:
query = 'UPDATE files SET marked=? WHERE uid=?'
logging.debug('%s (%s, %s)', query, marked, uid)
self.conn.execute(query, (marked, uid))
self.conn.commit()
def set_all_marked_as_unmarked(self, scan_id: int=None) -> None:
if scan_id is None:
query = 'UPDATE files SET marked=0 WHERE marked=1'
logging.debug(query)
self.conn.execute(query)
else:
query = 'UPDATE files SET marked=0 WHERE marked=1 AND scan_id=?'
logging.debug('%s (%s)', query, scan_id)
self.conn.execute(query, (scan_id, ))
self.conn.commit()
def _update_marked(self, uids: List[bytes], marked: bool) -> None:
query = 'UPDATE files SET marked=? WHERE uid IN ({})'
logging.debug('%s (%s on %s uids)', query, marked, len(uids))
self.conn.execute(query.format(','.join('?' * len(uids))), [marked] + uids)
def _update_previously_downloaded(self, uids: List[bytes], previously_downloaded: bool) -> None:
query = 'UPDATE files SET previously_downloaded=? WHERE uid IN ({})'
logging.debug('%s (%s on %s uids)', query, previously_downloaded, len(uids))
self.conn.execute(query.format(','.join('?' * len(uids))), [previously_downloaded] + uids)
def _set_list_values(self, uids: List[bytes], update_value, value) -> None:
if len(uids) == 0:
return
# Limit to number of parameters: 900
# See https://www.sqlite.org/limits.html
if len(uids) > 900:
uid_chunks = divide_list_on_length(uids, 900)
for chunk in uid_chunks:
update_value(chunk, value)
else:
update_value(uids, value)
self.conn.commit()
def set_list_marked(self, uids: List[bytes], marked: bool) -> None:
self._set_list_values(uids=uids, update_value=self._update_marked, value=marked)
def set_list_previously_downloaded(self, uids: List[bytes],
previously_downloaded: bool) -> None:
self._set_list_values(
uids=uids, update_value=self._update_previously_downloaded, value=previously_downloaded
)
def set_downloaded(self, uid: bytes, downloaded: bool) -> None:
query = 'UPDATE files SET downloaded=? WHERE uid=?'
logging.debug('%s (%s, <uid>)', query, downloaded)
self.conn.execute(query, (downloaded, uid))
self.conn.commit()
def set_job_code_assigned(self, uids: List[bytes], job_code: bool) -> None:
if len(uids) == 1:
query = 'UPDATE files SET job_code=? WHERE uid=?'
# logging.debug('%s (%s, <uid>)', query, job_code)
self.conn.execute(query, (job_code, uids[0]))
else:
# Limit to number of parameters: 900
# See https://www.sqlite.org/limits.html
if len(uids) > 900:
name_chunks = divide_list_on_length(uids, 900)
for chunk in name_chunks:
self._mass_set_job_code_assigned(chunk, job_code)
else:
self._mass_set_job_code_assigned(uids, job_code)
self.conn.commit()
def _mass_set_job_code_assigned(self, uids: List[bytes], job_code: bool) -> None:
query = 'UPDATE files SET job_code=? WHERE uid IN ({})'
logging.debug('%s (%s files)', query, len(uids))
self.conn.execute(query.format(
','.join('?' * len(uids))), [job_code] + uids)
def assign_proximity_groups(self, groups: Sequence[Tuple[int, int, bytes]]) -> None:
query = 'UPDATE files SET proximity_col1=?, proximity_col2=? WHERE uid=?'
logging.debug('%s (%s operations)', query, len(groups))
self.conn.executemany(query, groups)
self.conn.commit()
def get_uids_for_device(self, scan_id: int) -> List[int]:
query = 'SELECT uid FROM files WHERE scan_id=?'
logging.debug('%s (%s, )', query, scan_id)
rows = self.conn.execute(query, (scan_id, )).fetchall()
return [row[0] for row in rows]
def any_files_marked(self, scan_id: Optional[int]=None) -> bool:
if scan_id is None:
row = self.conn.execute('SELECT uid FROM files WHERE marked=1 LIMIT 1').fetchone()
else:
row = self.conn.execute('SELECT uid FROM files WHERE marked=1 AND scan_id=? LIMIT 1',
(scan_id, )).fetchone()
return row is not None
def any_files_to_download(self, scan_id: Optional[int]=None) -> bool:
if scan_id is not None:
row = self.conn.execute('SELECT uid FROM files WHERE downloaded=0 AND scan_id=? '
'LIMIT 1', (scan_id,)).fetchone()
else:
row = self.conn.execute('SELECT uid FROM files WHERE downloaded=0 LIMIT 1').fetchone()
return row is not None
def any_files_download_completed(self) -> bool:
row = self.conn.execute('SELECT uid FROM files WHERE downloaded=1 LIMIT 1').fetchone()
return row is not None
def any_files(self, scan_id: Optional[int]=None) -> bool:
"""
Determine if there are any files associated with this scan_id, of if no scan_id
is specified, any file at all
:param scan_id: optional device to check
:return: True if found, else False
"""
if scan_id is not None:
row = self.conn.execute('SELECT uid FROM files WHERE scan_id=? LIMIT 1',
(scan_id,)).fetchone()
else:
row = self.conn.execute('SELECT uid FROM files LIMIT 1').fetchone()
return row is not None
def any_files_with_extensions(self, scan_id: int, extensions: List[str]) -> bool:
where, where_values = self._build_where(scan_id=scan_id, extensions=extensions)
query = 'SELECT uid FROM files'
if where:
query = '{} WHERE {}'.format(query, where)
if where_values:
logging.debug('%s %s', query, where_values)
row = self.conn.execute(query, tuple(where_values)).fetchone()
else:
logging.debug('%s', query)
row = self.conn.execute(query).fetchone()
return row is not None
def any_files_of_type(self, scan_id: int, file_type: FileType) -> bool:
where, where_values = self._build_where(scan_id=scan_id, file_type=file_type)
query = 'SELECT uid FROM files'
if where:
query = '{} WHERE {}'.format(query, where)
if where_values:
logging.debug('%s %s', query, where_values)
row = self.conn.execute(query, tuple(where_values)).fetchone()
else:
logging.debug('%s', query)
row = self.conn.execute(query).fetchone()
return row is not None
def get_single_file_of_type(self, file_type: FileType,
downloaded: Optional[bool] = None,
scan_id: Optional[int]=None,
exclude_scan_ids: Optional[List[int]] = None) -> Optional[bytes]:
where, where_values = self._build_where(
scan_id=scan_id, downloaded=downloaded, file_type=file_type,
exclude_scan_ids=exclude_scan_ids
)
query = 'SELECT uid FROM files'
if where:
query = '{} WHERE {}'.format(query, where)
if where_values:
logging.debug('%s %s', query, where_values)
row = self.conn.execute(query, tuple(where_values)).fetchone()
else:
logging.debug('%s', query)
row = self.conn.execute(query).fetchone()
if row is None:
return None
return row[0]
def any_marked_file_no_job_code(self) -> bool:
row = self.conn.execute(
'SELECT uid FROM files WHERE marked=1 AND job_code=0 LIMIT 1'
).fetchone()
return row is not None
def _any_not_previously_downloaded(self, uids: List[bytes]) -> bool:
query = 'SELECT uid FROM files WHERE uid IN ({}) AND previously_downloaded=0 LIMIT 1'
logging.debug('%s (%s files)', query, len(uids))
row = self.conn.execute(query.format(','.join('?' * len(uids))), uids).fetchone()
return row is not None
def any_not_previously_downloaded(self, uids: List[bytes]) -> bool:
"""
:param uids: list of UIDs to check
:return: True if any of the files associated with the UIDs have not been
previously downloaded
"""
if len(uids) > 900:
uid_chunks = divide_list_on_length(uids, 900)
for chunk in uid_chunks:
if self._any_not_previously_downloaded(uids=uid_chunks):
return True
return False
else:
return self._any_not_previously_downloaded(uids=uids)
def _delete_uids(self, uids: List[bytes]) -> None:
query = 'DELETE FROM files WHERE uid IN ({})'
logging.debug('%s (%s files)', query, len(uids))
self.conn.execute(query.format(','.join('?' * len(uids))), uids)
def delete_uids(self, uids: List[bytes]) -> None:
"""
Deletes thumbnails from SQL cache
:param uids: list of uids to delete
"""
if len(uids) == 0:
return
# Limit to number of parameters: 900
# See https://www.sqlite.org/limits.html
if len(uids) > 900:
name_chunks = divide_list_on_length(uids, 900)
for chunk in name_chunks:
self._delete_uids(chunk)
else:
self._delete_uids(uids)
self.conn.commit()
def delete_files_by_scan_id(self, scan_id: int, downloaded: Optional[bool]=None) -> None:
query = 'DELETE FROM files'
where, where_values = self._build_where(scan_id=scan_id, downloaded=downloaded)
query = '{} WHERE {}'.format(query, where)
logging.debug('%s (%s)', query, where_values)
self.conn.execute(query, where_values)
self.conn.commit()
def delete_device(self, scan_id: int) -> None:
query = 'DELETE FROM devices WHERE scan_id=?'
logging.debug('%s (%s, )', query, scan_id)
self.conn.execute(query, (scan_id, ))
self.conn.commit()
class DownloadedSQL:
"""
Previous file download detection.
Used to detect if a file has been downloaded before. A file is the
same if the file name (excluding path), size and modification time
are the same. For performance reasons, Exif information is never
checked.
"""
def __init__(self, data_dir: str = None) -> None:
"""
:param data_dir: where the database is saved. If None, use
default
"""
if data_dir is None:
data_dir = get_program_data_directory(create_if_not_exist=True)
self.db = os.path.join(data_dir, 'downloaded_files.sqlite')
self.table_name = 'downloaded'
self.update_table()
def update_table(self, reset: bool = False) -> None:
"""
Create or update the database table
:param reset: if True, delete the contents of the table and
build it
"""
conn = sqlite3.connect(self.db, detect_types=sqlite3.PARSE_DECLTYPES)
if reset:
conn.execute(r"""DROP TABLE IF EXISTS {tn}""".format(
tn=self.table_name))
conn.execute("VACUUM")
conn.execute("""CREATE TABLE IF NOT EXISTS {tn} (
file_name TEXT NOT NULL,
mtime REAL NOT NULL,
size INTEGER NOT NULL,
download_name TEXT NOT NULL,
download_datetime timestamp,
PRIMARY KEY (file_name, mtime, size)
)""".format(tn=self.table_name))
# Use the character . to for download_name and path to indicate the user manually marked a
# file as previously downloaded
conn.execute("""CREATE INDEX IF NOT EXISTS download_datetime_idx ON
{tn} (download_name)""".format(tn=self.table_name))
conn.commit()
conn.close()
def add_downloaded_file(self, name: str, size: int,
modification_time: float, download_full_file_name: str) -> None:
"""
Add file to database of downloaded files
:param name: original filename of photo / video, without path
:param size: file size
:param modification_time: file modification time
:param download_full_file_name: renamed file including path,
or the character . that the user manually marked the file
as previously downloaded
"""
conn = sqlite3.connect(self.db)
logging.debug('Adding %s to downloaded files', name)
conn.execute(r"""INSERT OR REPLACE INTO {tn} (file_name, size, mtime,
download_name, download_datetime) VALUES (?,?,?,?,?)""".format(
tn=self.table_name), (name, size, modification_time,
download_full_file_name, datetime.datetime.now()))
conn.commit()
conn.close()
def file_downloaded(self, name: str, size: int, modification_time: float) -> FileDownloaded:
"""
Returns download path and filename if a file with matching
name, modification time and size has previously been downloaded
:param name: file name, not including path
:param size: file size in bytes
:param modification_time: file modification time
:return: download name (including path) and when it was
downloaded, else None if never downloaded
"""
conn = sqlite3.connect(self.db, detect_types=sqlite3.PARSE_DECLTYPES)
c = conn.cursor()
c.execute("""SELECT download_name, download_datetime as [timestamp] FROM {tn} WHERE
file_name=? AND size=? AND mtime=?""".format(
tn=self.table_name), (name, size, modification_time))
row = c.fetchone()
if row is not None:
return FileDownloaded._make(row)
else:
return None
class CacheSQL:
def __init__(self, location: str=None, create_table_if_not_exists: bool=True) -> None:
"""
:param location: path on the file system where the Table exists
:param create_table_if_not_exists:
"""
if location is None:
location = get_program_cache_directory(create_if_not_exist=True)
self.db = os.path.join(location, self.db_fs_name())
self.table_name = 'cache'
if create_table_if_not_exists:
self.update_table()
def db_fs_name(self) -> str:
return 'thumbnail_cache.sqlite'
def update_table(self, reset: bool=False) -> None:
"""
Create or update the database table
:param reset: if True, delete the contents of the table and
build it
"""
conn = sqlite3.connect(self.db, detect_types=sqlite3.PARSE_DECLTYPES)
if reset:
conn.execute(r"""DROP TABLE IF EXISTS {tn}""".format(tn=self.table_name))
conn.execute("VACUUM")
conn.execute("""CREATE TABLE IF NOT EXISTS {tn} (
uri TEXT NOT NULL,
mtime REAL NOT NULL,
mdatatime REAL,
size INTEGER NOT NULL,
md5_name TEXT NOT NULL,
orientation_unknown BOOLEAN NOT NULL,
failure BOOLEAN NOT NULL,
PRIMARY KEY (uri, mtime, size)
)""".format(tn=self.table_name))
conn.execute("""CREATE INDEX IF NOT EXISTS md5_name_idx ON
{tn} (md5_name)""".format(tn=self.table_name))
conn.commit()
conn.close()
def add_thumbnail(self, uri: str, size: int,
mtime: float,
mdatatime: float,
md5_name: str,
orientation_unknown: bool,
failure: bool) -> None:
"""
Add file to database of downloaded files
:param uri: original filename of photo / video with path
:param size: file size
:param mtime: file modification time
:param mdatatime: file time recorded in metadata
:param md5_name: full file name converted to md5
:param orientation_unknown: if True, the orientation of the
file could not be determined, else False
:param failure: if True, indicates the thumbnail could not be
generated, otherwise False
"""
conn = sqlite3.connect(self.db)
conn.execute(
r"""INSERT OR REPLACE INTO {tn} (uri, size, mtime, mdatatime,
md5_name, orientation_unknown, failure) VALUES (?,?,?,?,?,?,?)""".format(
tn=self.table_name
), (uri, size, mtime, mdatatime, md5_name, orientation_unknown, failure)
)
conn.commit()
conn.close()
def have_thumbnail(self, uri: str, size: int, mtime: float) -> Optional[InCache]:
"""
Returns download path and filename if a file with matching
name, modification time and size has previously been downloaded
:param uri: file name, including path
:param size: file size in bytes
:param mtime: file modification time
:return: md5 name (excluding path) and if the value indicates a
thumbnail generation failure, else None if thumbnail not
present
"""
conn = sqlite3.connect(self.db)
c = conn.cursor()
c.execute("""SELECT md5_name, mdatatime, orientation_unknown, failure FROM {tn} WHERE
uri=? AND size=? AND mtime=?""".format(tn=self.table_name), (uri, size, mtime))
row = c.fetchone()
if row is not None:
return InCache._make(row)
else:
return None
def _delete(self, names: List[str], conn):
conn.execute("""DELETE FROM {tn} WHERE md5_name IN ({values})""".format(
tn=self.table_name, values=','.join('?' * len(names))), names)
def delete_thumbnails(self, md5_names: List[str]) -> None:
"""
Deletes thumbnails from SQL cache
:param md5_names: list of names, without path
"""
if len(md5_names) == 0:
return
conn = sqlite3.connect(self.db)
# Limit to number of parameters: 900
# See https://www.sqlite.org/limits.html
if len(md5_names) > 900:
name_chunks = divide_list_on_length(md5_names, 900)
for chunk in name_chunks:
self._delete(chunk, conn)
else:
self._delete(md5_names, conn)
conn.commit()
conn.close()
def no_thumbnails(self) -> int:
"""
:return: how many thumbnails are in the db
"""
conn = sqlite3.connect(self.db)
c = conn.cursor()
c.execute('SELECT COUNT(*) FROM {tn}'.format(tn=self.table_name))
count = c.fetchall()
return count[0][0]
def md5_names(self) -> List[Tuple[str]]:
conn = sqlite3.connect(self.db)
c = conn.cursor()
c.execute('SELECT md5_name FROM {tn}'.format(tn=self.table_name))
rows = c.fetchall()
return rows
def vacuum(self) -> None:
conn = sqlite3.connect(self.db)
conn.execute("VACUUM")
conn.close()
class FileFormatSQL:
def __init__(self, data_dir: str=None) -> None:
"""
:param data_dir: where the database is saved. If None, use
default
"""
if data_dir is None:
data_dir = get_program_data_directory(create_if_not_exist=True)
self.db = os.path.join(data_dir, 'file_formats.sqlite')
self.table_name = 'formats'
self.update_table()
def update_table(self, reset: bool=False) -> None:
"""
Create or update the database table
:param reset: if True, delete the contents of the table and
build it
"""
conn = sqlite3.connect(self.db, detect_types=sqlite3.PARSE_DECLTYPES)
if reset:
conn.execute(r"""DROP TABLE IF EXISTS {tn}""".format(
tn=self.table_name))
conn.execute("VACUUM")
conn.execute("""CREATE TABLE IF NOT EXISTS {tn} (
id INTEGER PRIMARY KEY,
extension TEXT NOT NULL,
camera TEXT NOT NULL,
size INTEGER NOT NULL,
orientation_offset INTEGER,
datetime_offset INTEGER,
cache INTEGER NOT NULL,
app0 INTEGER,
orientation TEXT,
exif_thumbnail TEXT,
thumbnail_preview_same INTEGER,
preview_source TEXT,
previews TEXT
)""".format(tn=self.table_name))
conn.execute("""CREATE INDEX IF NOT EXISTS extension_idx ON
{tn} (extension)""".format(tn=self.table_name))
conn.execute("""CREATE INDEX IF NOT EXISTS camera_idx ON
{tn} (camera)""".format(tn=self.table_name))
conn.commit()
conn.close()
def add_format(self, pa: PhotoAttributes) -> None:
conn = sqlite3.connect(self.db)
c = conn.cursor()
c.execute("""INSERT OR IGNORE INTO {tn} (extension, camera, size, orientation_offset,
datetime_offset, cache, app0, orientation, exif_thumbnail, thumbnail_preview_same,
preview_source, previews)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)""".format(tn=self.table_name),
(pa.ext,
pa.model,
pa.total,
pa.minimum_exif_read_size_in_bytes_orientation,
pa.minimum_exif_read_size_in_bytes_datetime,
pa.bytes_cached_post_thumb,
pa.has_app0,
pa.orientation,
pa.exif_thumbnail_details,
pa.exif_thumbnail_and_preview_identical,
pa.preview_source,
pa.preview_size_and_types))
conn.commit()
conn.close()
def get_orientation_bytes(self, extension: str) -> Optional[int]:
conn = sqlite3.connect(self.db)
c = conn.cursor()
c.execute("""SELECT max(orientation_offset) FROM {tn} WHERE extension=(?)""".format(
tn=self.table_name), (extension,))
row = c.fetchone()
if row is not None:
return row[0]
return None
def get_datetime_bytes(self, extension: str) -> Optional[int]:
conn = sqlite3.connect(self.db)
c = conn.cursor()
c.execute("""SELECT max(datetime_offset) FROM {tn} WHERE extension=(?)""".format(
tn=self.table_name), (extension,))
row = c.fetchone()
if row is not None:
return row[0]
return None
if __name__ == '__main__':
import uuid
d = ThumbnailRowsSQL()
uid = uuid.uuid4().bytes
scan_id = 0
device_name = '1D X'
mtime = datetime.datetime.now().timestamp()
marked = True
file_name = 'image.cr2'
extension= 'cr2'
file_type = FileType.photo
downloaded = False
previously_downloaded = True
proximity_col1 = -1
proximity_col2 = -1
d.add_or_update_device(scan_id=scan_id, device_name=device_name)
tr = ThumbnailRow(uid=uid, scan_id=scan_id, marked=marked, mtime=mtime, file_name=file_name,
file_type=file_type, extension=extension, downloaded=downloaded,
previously_downloaded=previously_downloaded, job_code=False,
proximity_col1=proximity_col1, proximity_col2=proximity_col2
)
uid = uuid.uuid4().bytes
scan_id = 1
device_name = 'NEXUS 5X'
mtime = datetime.datetime.now().timestamp()
marked = True
file_name = 'image.dng'
extension= 'dng'
file_type = FileType.photo
downloaded = False
previously_downloaded = False
d.add_or_update_device(scan_id=scan_id, device_name=device_name)
tr2 = ThumbnailRow(uid=uid, scan_id=scan_id, marked=marked, mtime=mtime, file_name=file_name,
file_type=file_type, extension=extension, downloaded=downloaded,
previously_downloaded=previously_downloaded, job_code=False,
proximity_col1=proximity_col1, proximity_col2=proximity_col2
)
uid = uuid.uuid4().bytes
mtime = datetime.datetime.now().timestamp()
marked = False
file_name = 'image.mp4'
extension= 'mp4'
file_type = FileType.video
downloaded = False
previously_downloaded = True
tr3 = ThumbnailRow(uid=uid, scan_id=scan_id, marked=marked, mtime=mtime, file_name=file_name,
file_type=file_type, extension=extension, downloaded=downloaded,
previously_downloaded=previously_downloaded, job_code=False,
proximity_col1=proximity_col1, proximity_col2=proximity_col2
)
d.add_thumbnail_rows([tr, tr2, tr3])
cursor = d.conn.cursor()
cursor.execute('SELECT * FROM files')
for row in map(ThumbnailRow._make, cursor.fetchall()):
print(row)
d.set_marked(uid, False)
d.set_downloaded(uid, True)
print(d.get_view(sort_by=Sort.device, sort_order=Qt.DescendingOrder, show=Show.all))
print(d.get_uids_for_device(0))
print(d.get_uids_for_device(1))
print(d.any_files_marked())
print(d.get_uids(marked=True, return_file_name=True))
print(d.get_uids(marked=False, return_file_name=True))
print(d.get_uids(downloaded=False, return_file_name=True))
print(d.get_uids(downloaded=True, return_file_name=True))
print(d.get_uids(file_type=FileType.video, return_file_name=True))
print("next two lines should be identical")
print(d.get_uids(scan_id=0, file_type=FileType.photo, return_file_name=True))
print(d.get_uids(exclude_scan_ids=[1,], file_type=FileType.photo, return_file_name=True))
print(d.get_uids(previously_downloaded=False, return_file_name=True))
print(d.get_count(scan_id=0))
print(d.get_count(previously_downloaded=True))
print(d.get_count(show=Show.new_only))
print(d.get_count(marked=True))
uids = d.get_uids(downloaded=False)
print("UIDs", len(uids), "; available to download?", d.any_files_to_download())
d.set_list_marked(uids, marked=False)
print(d.get_count(marked=True))
d.set_list_marked(uids, marked=True)
print(d.get_count(marked=True))
print(d.any_files_with_extensions(scan_id=0, extensions=['cr2', 'dng']))
print(d.any_files_with_extensions(scan_id=0, extensions=['nef', 'dng']))
print(d.any_files_with_extensions(scan_id=0, extensions=['nef']))
print(d.any_files_with_extensions(scan_id=0, extensions=['cr2']))
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