def module_path(object):
"""full pathname of the current module"""
if sys.version_info[0] == 3:
from normpath3 import normpath
else:
from normpath import normpath
global MODULE_PATH
if "MODULE_PATH" in globals(): return MODULE_PATH
from sys import path
from os import getcwd
from os.path import basename, exists
from inspect import getmodulename, getfile
# 'getfile' retreives the source file name name compiled into the .pyc file.
try:
pathname = getfile(object)
except:
pathname = getfile(lambda x: x)
##print("module_path: pathname: %r" % pathname)
if not exists(pathname):
# The module might have been compiled on a different machine or in a
# different directory.
pathname = pathname.replace("\\", "/")
filename = basename(pathname)
##print("module_path: filename: %r" % filename)
dirs = [
dir for dir in [getcwd()] + path if exists(dir + "/" + filename)
]
if len(dirs) == 0: print("pathname of file %r not found" % filename)
dir = dirs[0] if len(dirs) > 0 else "."
pathname = dir + "/" + filename
##print("module_path: pathname: %r" % pathname)
pathname = normpath(pathname)
MODULE_PATH = pathname
return pathname
def content(self):
from normpath3 import normpath
filename = normpath(self.filename)
from mmap import mmap, ACCESS_READ
try:
f = file(filename)
content = mmap(f.fileno(), 0, access=ACCESS_READ)
except IOError:
content = ""
return content
def content(self):
from os.path import exists, getsize
from normpath3 import normpath
filename = normpath(self.filename)
if exists(filename):
size_change = getsize(filename) - len(self.cached_content)
if size_change > 0:
##debug("Logfile: Reading %d bytes" % size_change)
f = file(filename)
f.seek(len(self.cached_content))
self.cached_content += f.read()
elif size_change < 0:
##debug("Logfile: Reading %d bytes" % getsize(filename))
self.cached_content = file(filename).read()
else:
self.cached_content = ""
return self.cached_content
def log(self, *args, **kwargs):
"""Append to logfile
time: time in seconds since 1970-01-01 00:00:00 UTC
"""
from time import time
from time_string import date_time
from normpath3 import normpath
from os.path import exists, dirname
from os import makedirs
values = args
if "time" in kwargs: timestamp = kwargs["time"]
else: timestamp = time()
with self.lock: # Allow only one thread at a time inside this function.
filename = normpath(self.filename)
if not exists(dirname(filename)): makedirs(dirname(filename))
if not exists(filename):
header = "#" + "\t".join(self.columns) + "\n"
else:
header = ""
fields = [date_time(timestamp)] + [str(v) for v in values]
line = "\t".join(fields) + "\n"
file(filename, "ab").write(header + line)
def get_directory(self):
from normpath3 import normpath
return normpath(self.__directory__)