cis-kuldeep/PyBitmessage-2021-04-27
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flake8: paths

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This commit is contained in:
Dmitri Bogomolov 2019-09-27 17:09:29 +03:00
parent e5b92e29a2
commit 9a438c1a1a
Signed by untrusted user: g1itch
GPG Key ID: 720A756F18DEED13
1 changed files with 65 additions and 52 deletions
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111
src/paths.py
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@ -1,76 +1,85 @@
from os import environ, path import logging
import sys import os
import re import re
import sys
from datetime import datetime from datetime import datetime
from shutil import move
logger = logging.getLogger('default')
# When using py2exe or py2app, the variable frozen is added to the sys # When using py2exe or py2app, the variable frozen is added to the sys
# namespace. This can be used to setup a different code path for # namespace. This can be used to setup a different code path for
# binary distributions vs source distributions. # binary distributions vs source distributions.
frozen = getattr(sys,'frozen', None) frozen = getattr(sys, 'frozen', None)
def lookupExeFolder(): def lookupExeFolder():
"""Returns executable folder path"""
if frozen: if frozen:
if frozen == "macosx_app": exeFolder = (
# targetdir/Bitmessage.app/Contents/MacOS/Bitmessage # targetdir/Bitmessage.app/Contents/MacOS/Bitmessage
exeFolder = path.dirname(path.dirname(path.dirname(path.dirname(sys.executable)))) + path.sep os.path.dirname(sys.executable).split(os.path.sep)[0] + os.path.sep
else: if frozen == "macosx_app" else
exeFolder = path.dirname(sys.executable) + path.sep os.path.dirname(sys.executable) + os.path.sep)
elif __file__: elif __file__:
exeFolder = path.dirname(__file__) + path.sep exeFolder = os.path.dirname(__file__) + os.path.sep
else: else:
exeFolder = '' exeFolder = ''
return exeFolder return exeFolder
def lookupAppdataFolder(): def lookupAppdataFolder():
"""Returns path of the folder where application data is stored"""
APPNAME = "PyBitmessage" APPNAME = "PyBitmessage"
if "BITMESSAGE_HOME" in environ: dataFolder = os.environ.get('BITMESSAGE_HOME')
dataFolder = environ["BITMESSAGE_HOME"] if dataFolder:
if dataFolder[-1] not in [path.sep, path.altsep]: if dataFolder[-1] not in (os.path.sep, os.path.altsep):
dataFolder += path.sep dataFolder += os.path.sep
elif sys.platform == 'darwin': elif sys.platform == 'darwin':
if "HOME" in environ:
dataFolder = path.join(environ["HOME"], "Library/Application Support/", APPNAME) + '/'
else:
stringToLog = 'Could not find home folder, please report this message and your OS X version to the BitMessage Github.'
if 'logger' in globals():
logger.critical(stringToLog)
else:
print stringToLog
sys.exit()
elif 'win32' in sys.platform or 'win64' in sys.platform:
dataFolder = path.join(environ['APPDATA'].decode(sys.getfilesystemencoding(), 'ignore'), APPNAME) + path.sep
else:
from shutil import move
try: try:
dataFolder = path.join(environ["XDG_CONFIG_HOME"], APPNAME) dataFolder = os.path.join(
os.environ['HOME'],
'Library/Application Support/', APPNAME
) + '/' # FIXME: should also be os.path.sep
except KeyError: except KeyError:
dataFolder = path.join(environ["HOME"], ".config", APPNAME) sys.exit(
'Could not find home folder, please report this message'
# Migrate existing data to the proper location if this is an existing install ' and your OS X version to the BitMessage Github.')
try: elif 'win32' in sys.platform or 'win64' in sys.platform:
move(path.join(environ["HOME"], ".%s" % APPNAME), dataFolder) dataFolder = os.path.join(
stringToLog = "Moving data folder to %s" % (dataFolder) os.environ['APPDATA'].decode(
if 'logger' in globals(): sys.getfilesystemencoding(), 'ignore'), APPNAME
logger.info(stringToLog) ) + os.path.sep
else: else:
print stringToLog try:
dataFolder = os.path.join(os.environ['XDG_CONFIG_HOME'], APPNAME)
except KeyError:
dataFolder = os.path.join(os.environ['HOME'], '.config', APPNAME)
# Migrate existing data to the proper location
# if this is an existing install
try:
move(os.path.join(os.environ['HOME'], '.%s' % APPNAME), dataFolder)
logger.info('Moving data folder to %s', dataFolder)
except IOError: except IOError:
# Old directory may not exist. # Old directory may not exist.
pass pass
dataFolder = dataFolder + '/' dataFolder = dataFolder + os.path.sep
return dataFolder return dataFolder
def codePath(): def codePath():
if frozen == "macosx_app": """Returns path to the program sources"""
codePath = environ.get("RESOURCEPATH") if not frozen:
elif frozen: # windows return os.path.dirname(__file__)
codePath = sys._MEIPASS return (
else: os.environ.get('RESOURCEPATH')
codePath = path.dirname(__file__) if frozen == "macosx_app" else sys._MEIPASS)
return codePath
def tail(f, lines=20): def tail(f, lines=20):
"""Returns last lines in the f file object"""
total_lines_wanted = lines total_lines_wanted = lines
BLOCK_SIZE = 1024 BLOCK_SIZE = 1024
@ -78,16 +87,17 @@ def tail(f, lines=20):
block_end_byte = f.tell() block_end_byte = f.tell()
lines_to_go = total_lines_wanted lines_to_go = total_lines_wanted
block_number = -1 block_number = -1
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting # blocks of size BLOCK_SIZE, in reverse order starting
# from the end of the file # from the end of the file
blocks = []
while lines_to_go > 0 and block_end_byte > 0: while lines_to_go > 0 and block_end_byte > 0:
if (block_end_byte - BLOCK_SIZE > 0): if (block_end_byte - BLOCK_SIZE > 0):
# read the last block we haven't yet read # read the last block we haven't yet read
f.seek(block_number*BLOCK_SIZE, 2) f.seek(block_number * BLOCK_SIZE, 2)
blocks.append(f.read(BLOCK_SIZE)) blocks.append(f.read(BLOCK_SIZE))
else: else:
# file too small, start from begining # file too small, start from begining
f.seek(0,0) f.seek(0, 0)
# only read what was not read # only read what was not read
blocks.append(f.read(block_end_byte)) blocks.append(f.read(block_end_byte))
lines_found = blocks[-1].count('\n') lines_found = blocks[-1].count('\n')
@ -99,9 +109,12 @@ def tail(f, lines=20):
def lastCommit(): def lastCommit():
githeadfile = path.join(codePath(), '..', '.git', 'logs', 'HEAD') """
Returns last commit information as dict with 'commit' and 'time' keys
"""
githeadfile = os.path.join(codePath(), '..', '.git', 'logs', 'HEAD')
result = {} result = {}
if path.isfile(githeadfile): if os.path.isfile(githeadfile):
try: try:
with open(githeadfile, 'rt') as githead: with open(githeadfile, 'rt') as githead:
line = tail(githead, 1) line = tail(githead, 1)