def init():
- import __builtin__
+ try:
+ import __builtin__ as builtins
+ except ImportError:
+ import builtins
import os
import sys
or os.path.expanduser('~/.inputrc')
readline.read_init_file(initfile)
- histfile = os.path.expanduser('~/.python-history')
+ histfile = os.path.expanduser('~/.python_history')
try:
readline.read_history_file(histfile)
except IOError:
pass # No such file
def savehist():
- histfilesize = os.environ.get('HISTFILESIZE') \
- or os.environ.get('HISTSIZE')
- if histfilesize:
+ histsize = os.environ.get('HISTSIZE')
+ if histsize:
try:
- histfilesize = int(histfilesize)
+ histsize = int(histsize)
except ValueError:
pass
else:
- readline.set_history_length(histfilesize)
+ readline.set_history_length(histsize)
readline.write_history_file(histfile)
import atexit
else:
try:
locale.setlocale(locale.LC_ALL, '')
-
except (ImportError, locale.Error):
pass # no locale support or unsupported locale
- # set displayhook
+ # set displayhook and excepthook
from pprint import pprint
+ pager = os.environ.get("PAGER") or 'more'
- class BasePPrintPager:
- def pipe(self, value):
- pprint(value, stream=self.stdin)
+ # if your pager is 'less', options '-F' and '-R' must be passed to it,
+ # and option '-X' is very much recommended
+ if pager == 'less':
+ less = os.environ.get("LESS") or ''
+ for opt in 'X', 'R', 'F':
+ if opt not in less:
+ less = opt + less
+ os.environ["LESS"] = less
+
+ class BasePager:
+ def write(self, value):
+ self.stdout.write(value)
+
+ def pprint(self, value):
+ pprint(value,
+ stream=ColoredFile(self.stdout,
+ '\033[1;3%sm' % stdout_color))
def close(self):
- self.stdin.close()
+ self.stdout.close()
try:
from subprocess import Popen, PIPE
except ImportError:
- class PPrintPager(BasePPrintPager):
+ class Pager(BasePager):
def __init__(self):
self.pipe = Popen(pager, shell=True, stdin=PIPE)
- self.stdin = self.pipe.stdin
+ self.stdout = self.pipe.stdin
def close(self):
- BasePPrintPager.close(self)
+ BasePager.close(self)
self.pipe.wait()
else:
- class PPrintPager(BasePPrintPager):
+ class Pager(BasePager):
def __init__(self):
- self.stdin = os.popen(pager, 'w')
- pager = os.environ.get("PAGER") or 'more'
+ self.stdout = os.popen(pager, 'w')
def displayhook(value):
if value is not None:
- __builtin__._ = value
- pprint_pager = PPrintPager()
- pprint_pager.pipe(value)
- pprint_pager.close()
+ builtins._ = value
+ pager = Pager()
+ pager.pprint(value)
+ pager.close()
sys.displayhook = displayhook
- from traceback import print_exception
+ from traceback import format_exception
def excepthook(etype, evalue, etraceback):
- print_exception(etype, evalue, etraceback)
+ lines = format_exception(etype, evalue, etraceback)
+ pager = Pager()
+ pager.stdout = ColoredFile(pager.stdout, '\033[31m') # red
+ for line in lines:
+ pager.write(line)
+ pager.close()
sys.excepthook = excepthook
+ #try:
+ # import cgitb
+ #except ImportError:
+ # pass
+ #else:
+ # # cgitb.enable() overrides sys.excepthook
+ # cgitb.enable(format='text')
+
# From Thomas Heller:
# https://mail.python.org/pipermail/python-list/2001-April/099020.html
path = os.path.expanduser(os.path.expandvars(path or '~'))
os.chdir(path)
- __builtin__.ls = DirLister()
- __builtin__.cd = DirChanger()
+ builtins.ls = DirLister()
+ builtins.cd = DirChanger()
# print working directory
def __call__(self):
return repr(self)
- __builtin__.pwd = Pwd()
+ builtins.pwd = Pwd()
# exit REPL with 'exit', 'quit' or simple 'x'
def __call__(self, msg=None):
sys.exit(msg)
- __builtin__.x = _Exit()
+ builtins.x = _Exit()
# In Python 2.5+ exit and quit are objects
- if isinstance(__builtin__.exit, str):
- __builtin__.exit = __builtin__.quit = x # noqa: x is defined as _Exit
+ if isinstance(builtins.exit, str):
+ builtins.exit = builtins.quit = x # noqa: x is defined as _Exit
# print conten of a file
fp = open(filename, 'rU')
text = fp.read()
fp.close()
- print text
+ print(text)
- __builtin__.cat = _Cat()
+ builtins.cat = _Cat()
# call shell
def __call__(self, cmdline):
os.system(cmdline)
- __builtin__.sh = _Sh()
+ builtins.sh = _Sh()
# paginate a file
def __call__(self, filename):
os.system("%s '%s'" % (pager, filename.replace("'", '"\'"')))
- __builtin__.pager = _Pager()
+ builtins.pager = _Pager()
# edit a file
or os.environ.get("EDITOR") or 'vi'
os.system("%s '%s'" % (editor, filename.replace("'", '"\'"')))
- __builtin__.edit = __builtin__.editor = _Editor()
+ builtins.edit = builtins.editor = _Editor()
init()