108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
from os import environ, path
|
|
import 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
|
|
# binary distributions vs source distributions.
|
|
frozen = getattr(sys,'frozen', None)
|
|
|
|
def lookupExeFolder():
|
|
if frozen:
|
|
if frozen == "macosx_app":
|
|
# targetdir/Bitmessage.app/Contents/MacOS/Bitmessage
|
|
exeFolder = path.dirname(path.dirname(path.dirname(path.dirname(sys.executable)))) + path.sep
|
|
else:
|
|
exeFolder = path.dirname(sys.executable) + path.sep
|
|
elif __file__:
|
|
exeFolder = path.dirname(__file__) + path.sep
|
|
else:
|
|
exeFolder = ''
|
|
return exeFolder
|
|
|
|
def lookupAppdataFolder():
|
|
APPNAME = "PyBitmessage"
|
|
if "BITMESSAGE_HOME" in environ:
|
|
dataFolder = environ["BITMESSAGE_HOME"]
|
|
if dataFolder[-1] not in [path.sep, path.altsep]:
|
|
dataFolder += path.sep
|
|
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:
|
|
dataFolder = path.join(environ["XDG_CONFIG_HOME"], APPNAME)
|
|
except KeyError:
|
|
dataFolder = path.join(environ["HOME"], ".config", APPNAME)
|
|
|
|
# Migrate existing data to the proper location if this is an existing install
|
|
try:
|
|
move(path.join(environ["HOME"], ".%s" % APPNAME), dataFolder)
|
|
stringToLog = "Moving data folder to %s" % (dataFolder)
|
|
if 'logger' in globals():
|
|
logger.info(stringToLog)
|
|
else:
|
|
print stringToLog
|
|
except IOError:
|
|
# Old directory may not exist.
|
|
pass
|
|
dataFolder = dataFolder + '/'
|
|
return dataFolder
|
|
|
|
def codePath():
|
|
if frozen == "macosx_app":
|
|
codePath = environ.get("RESOURCEPATH")
|
|
elif frozen: # windows
|
|
codePath = sys._MEIPASS
|
|
else:
|
|
codePath = path.dirname(__file__)
|
|
return codePath
|
|
|
|
def tail(f, lines=20):
|
|
total_lines_wanted = lines
|
|
|
|
BLOCK_SIZE = 1024
|
|
f.seek(0, 2)
|
|
block_end_byte = f.tell()
|
|
lines_to_go = total_lines_wanted
|
|
block_number = -1
|
|
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting
|
|
# from the end of the file
|
|
while lines_to_go > 0 and block_end_byte > 0:
|
|
if (block_end_byte - BLOCK_SIZE > 0):
|
|
# read the last block we haven't yet read
|
|
f.seek(block_number*BLOCK_SIZE, 2)
|
|
blocks.append(f.read(BLOCK_SIZE))
|
|
else:
|
|
# file too small, start from begining
|
|
f.seek(0,0)
|
|
# only read what was not read
|
|
blocks.append(f.read(block_end_byte))
|
|
lines_found = blocks[-1].count('\n')
|
|
lines_to_go -= lines_found
|
|
block_end_byte -= BLOCK_SIZE
|
|
block_number -= 1
|
|
all_read_text = ''.join(reversed(blocks))
|
|
return '\n'.join(all_read_text.splitlines()[-total_lines_wanted:])
|
|
|
|
def lastCommit():
|
|
githeadfile = path.join(codePath(), '..', '.git', 'logs', 'HEAD')
|
|
version = ""
|
|
if (path.isfile(githeadfile)):
|
|
try:
|
|
with open(githeadfile, 'rt') as githead:
|
|
version = tail(githead, 1).split()[1]
|
|
except IOError:
|
|
pass
|
|
return version
|