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Format files with black

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- Format all files with black
- Update tox.ini flake8 arguments to be compatible
- Add black to requirements-extra.txt
- Reduce ignored flake8 rules and fix a few violations
This commit is contained in:
Andrew Senetar
2019-12-31 20:16:27 -06:00
parent 359d6498f7
commit 7ba8aa3514
141 changed files with 5241 additions and 3648 deletions
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35
core/pe/cache_sqlite.py
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@@ -11,10 +11,12 @@ import sqlite3 as sqlite
from .cache import string_to_colors, colors_to_string
class SqliteCache:
"""A class to cache picture blocks in a sqlite backend.
"""
def __init__(self, db=':memory:', readonly=False):
def __init__(self, db=":memory:", readonly=False):
# readonly is not used in the sqlite version of the cache
self.dbname = db
self.con = None
@@ -67,34 +69,40 @@ class SqliteCache:
try:
self.con.execute(sql, [blocks, mtime, path_str])
except sqlite.OperationalError:
logging.warning('Picture cache could not set value for key %r', path_str)
logging.warning("Picture cache could not set value for key %r", path_str)
except sqlite.DatabaseError as e:
logging.warning('DatabaseError while setting value for key %r: %s', path_str, str(e))
logging.warning(
"DatabaseError while setting value for key %r: %s", path_str, str(e)
)
def _create_con(self, second_try=False):
def create_tables():
logging.debug("Creating picture cache tables.")
self.con.execute("drop table if exists pictures")
self.con.execute("drop index if exists idx_path")
self.con.execute("create table pictures(path TEXT, mtime INTEGER, blocks TEXT)")
self.con.execute(
"create table pictures(path TEXT, mtime INTEGER, blocks TEXT)"
)
self.con.execute("create index idx_path on pictures (path)")
self.con = sqlite.connect(self.dbname, isolation_level=None)
try:
self.con.execute("select path, mtime, blocks from pictures where 1=2")
except sqlite.OperationalError: # new db
except sqlite.OperationalError: # new db
create_tables()
except sqlite.DatabaseError as e: # corrupted db
except sqlite.DatabaseError as e: # corrupted db
if second_try:
raise # Something really strange is happening
logging.warning('Could not create picture cache because of an error: %s', str(e))
raise # Something really strange is happening
logging.warning(
"Could not create picture cache because of an error: %s", str(e)
)
self.con.close()
os.remove(self.dbname)
self._create_con(second_try=True)
def clear(self):
self.close()
if self.dbname != ':memory:':
if self.dbname != ":memory:":
os.remove(self.dbname)
self._create_con()
@@ -117,7 +125,9 @@ class SqliteCache:
raise ValueError(path)
def get_multiple(self, rowids):
sql = "select rowid, blocks from pictures where rowid in (%s)" % ','.join(map(str, rowids))
sql = "select rowid, blocks from pictures where rowid in (%s)" % ",".join(
map(str, rowids)
)
cur = self.con.execute(sql)
return ((rowid, string_to_colors(blocks)) for rowid, blocks in cur)
@@ -138,6 +148,7 @@ class SqliteCache:
continue
todelete.append(rowid)
if todelete:
sql = "delete from pictures where rowid in (%s)" % ','.join(map(str, todelete))
sql = "delete from pictures where rowid in (%s)" % ",".join(
map(str, todelete)
)
self.con.execute(sql)