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_find_histfile_var ref

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This commit is contained in:
laerus 2016-07-31 00:43:11 +03:00
parent 1a362c600b
commit c1d392c4f2
1 changed files with 12 additions and 30 deletions
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42
xonsh/history.py
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@ -235,36 +235,24 @@ class CommandField(abc.Sequence):
return self is self.hist._queue[0]
def _find_histfile_var(file_list=None, default=None):
if file_list is None:
return None
hist_file = None
found_hist = False
def _find_histfile_var(file_list, default):
"""Return the path of the history file
from the value of the envvar HISTFILE."""
for f in file_list:
f = expanduser_abs_path(f)
if not os.path.isfile(f):
continue
with open(f, 'r') as rc_file:
for line in rc_file:
if "HISTFILE=" in line:
evar = line.split(' ', 1)[-1]
hist_file = evar.split('=', 1)[-1]
for char in ['"', "'", '\n']:
hist_file = hist_file.replace(char, '')
if line.startswith('HISTFILE='):
hist_file = line.split('=', 1)[1].strip('\'"\n')
hist_file = expanduser_abs_path(hist_file)
if os.path.isfile(hist_file):
found_hist = True
break
if found_hist:
break
if hist_file is None:
return hist_file
else:
default = expanduser_abs_path(default)
if os.path.isfile(default):
hist_file = default
return hist_file
return default
def _all_xonsh_parser(**kwargs):
@ -307,11 +295,8 @@ def _curr_session_parser(hist=None, **kwargs):
def _zsh_hist_parser(location=None, **kwargs):
"""Yield commands from zsh history file"""
if location is None:
default_location = os.path.join('~', '.zsh_history')
location_list = [os.path.join('~', '.zshrc'),
os.path.join('~', '.zprofile')]
location = _find_histfile_var(location_list, default_location)
if location and os.path.isfile(location):
location = _find_histfile_var(['~/.zshrc', '~/.zprofile'], '~/.zsh_history')
if location:
with open(location, 'r', errors='backslashreplace') as zsh_hist:
for ind, line in enumerate(zsh_hist):
try:
@ -332,11 +317,8 @@ def _zsh_hist_parser(location=None, **kwargs):
def _bash_hist_parser(location=None, **kwargs):
"""Yield commands from bash history file"""
if location is None:
default_location = os.path.join('~', '.bash_history')
location_list = [os.path.join('~', '.bashrc'),
os.path.join('~', '.bash_profile')]
location = _find_histfile_var(location_list, default_location)
if location and os.path.isfile(location):
location = _find_histfile_var(['~/.bashrc', '~/.bash_profile'], '~/.bash_history')
if location:
with open(location, 'r', errors='backslashreplace') as bash_hist:
for ind, line in enumerate(bash_hist):
yield (line.rstrip(), 0.0, ind)