add padding function to imgScalePadding()

This commit is contained in:
ton
2023-04-14 03:23:43 +00:00
parent c43d949309
commit 39b417dd94
15256 changed files with 525519 additions and 1048290 deletions

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# pysqlite2/__init__.py: the pysqlite2 package.
#
# Copyright (C) 2005 Gerhard Häring <gh@ghaering.de>
#
# This file is part of pysqlite.
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
"""
The sqlite3 extension module provides a DB-API 2.0 (PEP 249) compliant
interface to the SQLite library, and requires SQLite 3.7.15 or newer.
To use the module, start by creating a database Connection object:
import sqlite3
cx = sqlite3.connect("test.db") # test.db will be created or opened
The special path name ":memory:" can be provided to connect to a transient
in-memory database:
cx = sqlite3.connect(":memory:") # connect to a database in RAM
Once a connection has been established, create a Cursor object and call
its execute() method to perform SQL queries:
cu = cx.cursor()
# create a table
cu.execute("create table lang(name, first_appeared)")
# insert values into a table
cu.execute("insert into lang values (?, ?)", ("C", 1972))
# execute a query and iterate over the result
for row in cu.execute("select * from lang"):
print(row)
cx.close()
The sqlite3 module is written by Gerhard Häring <gh@ghaering.de>.
"""
from sqlite3.dbapi2 import *
# bpo-42264: OptimizedUnicode was deprecated in Python 3.10. It's scheduled
# for removal in Python 3.12.
def __getattr__(name):
if name == "OptimizedUnicode":
import warnings
msg = ("""
OptimizedUnicode is deprecated and will be removed in Python 3.12.
Since Python 3.3 it has simply been an alias for 'str'.
""")
warnings.warn(msg, DeprecationWarning, stacklevel=2)
return str
raise AttributeError(f"module 'sqlite3' has no attribute '{name}'")

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# pysqlite2/dbapi2.py: the DB-API 2.0 interface
#
# Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de>
#
# This file is part of pysqlite.
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
import datetime
import time
import collections.abc
from _sqlite3 import *
paramstyle = "qmark"
apilevel = "2.0"
Date = datetime.date
Time = datetime.time
Timestamp = datetime.datetime
def DateFromTicks(ticks):
return Date(*time.localtime(ticks)[:3])
def TimeFromTicks(ticks):
return Time(*time.localtime(ticks)[3:6])
def TimestampFromTicks(ticks):
return Timestamp(*time.localtime(ticks)[:6])
version_info = tuple([int(x) for x in version.split(".")])
sqlite_version_info = tuple([int(x) for x in sqlite_version.split(".")])
Binary = memoryview
collections.abc.Sequence.register(Row)
def register_adapters_and_converters():
def adapt_date(val):
return val.isoformat()
def adapt_datetime(val):
return val.isoformat(" ")
def convert_date(val):
return datetime.date(*map(int, val.split(b"-")))
def convert_timestamp(val):
datepart, timepart = val.split(b" ")
year, month, day = map(int, datepart.split(b"-"))
timepart_full = timepart.split(b".")
hours, minutes, seconds = map(int, timepart_full[0].split(b":"))
if len(timepart_full) == 2:
microseconds = int('{:0<6.6}'.format(timepart_full[1].decode()))
else:
microseconds = 0
val = datetime.datetime(year, month, day, hours, minutes, seconds, microseconds)
return val
register_adapter(datetime.date, adapt_date)
register_adapter(datetime.datetime, adapt_datetime)
register_converter("date", convert_date)
register_converter("timestamp", convert_timestamp)
register_adapters_and_converters()
# bpo-24464: enable_shared_cache was deprecated in Python 3.10. It's
# scheduled for removal in Python 3.12.
def enable_shared_cache(enable):
from _sqlite3 import enable_shared_cache as _old_enable_shared_cache
import warnings
msg = (
"enable_shared_cache is deprecated and will be removed in Python 3.12. "
"Shared cache is strongly discouraged by the SQLite 3 documentation. "
"If shared cache must be used, open the database in URI mode using"
"the cache=shared query parameter."
)
warnings.warn(msg, DeprecationWarning, stacklevel=2)
return _old_enable_shared_cache(enable)
# Clean up namespace
del(register_adapters_and_converters)

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# Mimic the sqlite3 console shell's .dump command
# Author: Paul Kippes <kippesp@gmail.com>
# Every identifier in sql is quoted based on a comment in sqlite
# documentation "SQLite adds new keywords from time to time when it
# takes on new features. So to prevent your code from being broken by
# future enhancements, you should normally quote any identifier that
# is an English language word, even if you do not have to."
def _iterdump(connection):
"""
Returns an iterator to the dump of the database in an SQL text format.
Used to produce an SQL dump of the database. Useful to save an in-memory
database for later restoration. This function should not be called
directly but instead called from the Connection method, iterdump().
"""
cu = connection.cursor()
yield('BEGIN TRANSACTION;')
# sqlite_master table contains the SQL CREATE statements for the database.
q = """
SELECT "name", "type", "sql"
FROM "sqlite_master"
WHERE "sql" NOT NULL AND
"type" == 'table'
ORDER BY "name"
"""
schema_res = cu.execute(q)
sqlite_sequence = []
for table_name, type, sql in schema_res.fetchall():
if table_name == 'sqlite_sequence':
rows = cu.execute('SELECT * FROM "sqlite_sequence";').fetchall()
sqlite_sequence = ['DELETE FROM "sqlite_sequence"']
sqlite_sequence += [
f'INSERT INTO "sqlite_sequence" VALUES(\'{row[0]}\',{row[1]})'
for row in rows
]
continue
elif table_name == 'sqlite_stat1':
yield('ANALYZE "sqlite_master";')
elif table_name.startswith('sqlite_'):
continue
# NOTE: Virtual table support not implemented
#elif sql.startswith('CREATE VIRTUAL TABLE'):
# qtable = table_name.replace("'", "''")
# yield("INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"\
# "VALUES('table','{0}','{0}',0,'{1}');".format(
# qtable,
# sql.replace("''")))
else:
yield('{0};'.format(sql))
# Build the insert statement for each row of the current table
table_name_ident = table_name.replace('"', '""')
res = cu.execute('PRAGMA table_info("{0}")'.format(table_name_ident))
column_names = [str(table_info[1]) for table_info in res.fetchall()]
q = """SELECT 'INSERT INTO "{0}" VALUES({1})' FROM "{0}";""".format(
table_name_ident,
",".join("""'||quote("{0}")||'""".format(col.replace('"', '""')) for col in column_names))
query_res = cu.execute(q)
for row in query_res:
yield("{0};".format(row[0]))
# Now when the type is 'index', 'trigger', or 'view'
q = """
SELECT "name", "type", "sql"
FROM "sqlite_master"
WHERE "sql" NOT NULL AND
"type" IN ('index', 'trigger', 'view')
"""
schema_res = cu.execute(q)
for name, type, sql in schema_res.fetchall():
yield('{0};'.format(sql))
# gh-79009: Yield statements concerning the sqlite_sequence table at the
# end of the transaction.
for row in sqlite_sequence:
yield('{0};'.format(row))
yield('COMMIT;')