Reference client for Bitmessage: a P2P encrypted decentralised communication protocol:
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

108 lines
3.8 KiB

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