# -*- coding: utf-8 -*-
"""
Command line entry points for the archelon client.
"""
from __future__ import print_function
from difflib import Differ
import os
import shutil
import sys
import requests
from archelonc.search import Search
from archelonc.data import WebHistory
HISTORY_FILE = os.path.expanduser('~/.archelon_history')
def _get_web_setup():
"""
either get a WebHistory object or None if we aren't configured for
one.
"""
# Check if we are pointed at an archelond server
url = os.environ.get('ARCHELON_URL')
token = os.environ.get('ARCHELON_TOKEN')
if not (url and token):
return None
return WebHistory(url, token)
[docs]def update():
"""
Capture diff between stored history and new history and upload
the delta.
"""
web_history = _get_web_setup()
# If we aren't setup for Web usage, just bomb out.
if not web_history:
sys.exit(0)
current_hist_file = os.path.expanduser(
os.environ.get('HISTFILE', '~/.bash_history')
)
# Create our diff file if it doesn't exist
if not os.path.exists(HISTORY_FILE):
open(HISTORY_FILE, 'a').close()
# Compare the current history to our previously stored one,
# upload any additions and copy the file over.
commands = {}
with open(HISTORY_FILE) as cached, open(current_hist_file) as current:
differ = Differ()
results = differ.compare(cached.readlines(), current.readlines())
# use diff lib "codes" to see if we need to upload differences
for diff in results:
if diff[:2] == '+ ' or diff[:2] == '? ':
if diff[:2]:
commands[diff[2:]] = None
# Warn if we are doing a large upload
num_commands = len(commands.keys())
if num_commands > 50:
print('Beginning upload of {} history items. '
'This may take a while...'.format(num_commands))
try:
success, response = web_history.bulk_add(commands.keys())
except requests.exceptions.ConnectionError, ex:
print('Connection Error occured: %s', str(ex))
sys.exit(1)
if not success:
print('Failed to add commands, got:\n {}'.format(
response
))
sys.exit(1)
shutil.copy(current_hist_file, HISTORY_FILE)
[docs]def import_history():
"""
Import current shell's history into server
"""
web_history = _get_web_setup()
if not web_history:
print(
'You must specify an archelon server in the environment with '
'`ARCHELON_URL` and `ARCHELON_TOKEN` environment variables'
)
sys.exit(1)
# Read history and post to server. if arg[1]
# is given, use that file as the history file.
hist_file = os.environ.get('HISTFILE', '~/.bash_history')
if len(sys.argv) == 2:
hist_file = sys.argv[1]
hist_file_path = os.path.expanduser(hist_file)
with open(hist_file_path) as history_file:
commands = {}
for line in history_file:
command = line.strip()
if not command:
continue
commands[command] = None
try:
success, response = web_history.bulk_add(commands.keys())
except requests.exceptions.ConnectionError, ex:
print('Connection Error occured: %s', str(ex))
sys.exit(1)
if not success:
print('Failed to add commands, got:\n {}'.format(
response
))
# Make copy of imported history so we only have to track
# changes from here on out when archelon is invoked
shutil.copy(hist_file_path, HISTORY_FILE)