jrnl/jrnl/install.py
2014-09-12 14:22:45 -07:00

123 lines
4.2 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
from __future__ import absolute_import
import readline
import glob
import getpass
import os
import xdg.BaseDirectory
from . import util
import yaml
DEFAULT_CONFIG_NAME = 'jrnl.yaml'
DEFAULT_JOURNAL_NAME = 'journal.txt'
XDG_RESOURCE = 'jrnl'
USER_HOME = os.path.expanduser('~')
CONFIG_PATH = xdg.BaseDirectory.save_config_path(XDG_RESOURCE) or USER_HOME
CONFIG_FILE_PATH = os.path.join(CONFIG_PATH, DEFAULT_CONFIG_NAME)
CONFIG_FILE_PATH_FALLBACK = os.path.join(USER_HOME, ".jrnl_config")
JOURNAL_PATH = xdg.BaseDirectory.save_data_path(XDG_RESOURCE) or USER_HOME
JOURNAL_FILE_PATH = os.path.join(JOURNAL_PATH, DEFAULT_JOURNAL_NAME)
def module_exists(module_name):
"""Checks if a module exists and can be imported"""
try:
__import__(module_name)
except ImportError:
return False
else:
return True
default_config = {
'journals': {
"default": JOURNAL_FILE_PATH
},
'editor': os.getenv('VISUAL') or os.getenv('EDITOR') or "",
'encrypt': False,
'default_hour': 9,
'default_minute': 0,
'timeformat': "%Y-%m-%d %H:%M",
'tagsymbols': '@',
'highlight': True,
'linewrap': 79,
}
def upgrade_config(config):
"""Checks if there are keys missing in a given config dict, and if so, updates the config file accordingly.
This essentially automatically ports jrnl installations if new config parameters are introduced in later
versions."""
missing_keys = set(default_config).difference(config)
if missing_keys:
for key in missing_keys:
config[key] = default_config[key]
save_config(config)
print("[.jrnl_conf updated to newest version]")
def save_config(config):
with open(CONFIG_FILE_PATH, 'w') as f:
yaml.safe_dump(config, f, encoding='utf-8', allow_unicode=True, default_flow_style=False)
def install_jrnl():
"""
If jrnl is already installed, loads and returns a config object.
Else, perform various prompts to install jrnl.
"""
if os.path.exists(CONFIG_FILE_PATH):
config = util.load_config(CONFIG_FILE_PATH)
upgrade_config(config)
return config
elif os.path.exists(CONFIG_FILE_PATH_FALLBACK): # Backwards compatibility with jrnl 1.x
config = util.load_config(CONFIG_FILE_PATH_FALLBACK)
upgrade_config(config)
save_config(config)
return config
def autocomplete(text, state):
expansions = glob.glob(os.path.expanduser(os.path.expandvars(text)) + '*')
expansions = [e + "/" if os.path.isdir(e) else e for e in expansions]
expansions.append(None)
return expansions[state]
readline.set_completer_delims(' \t\n;')
readline.parse_and_bind("tab: complete")
readline.set_completer(autocomplete)
# Where to create the journal?
path_query = 'Path to your journal file (leave blank for {}): '.format(JOURNAL_FILE_PATH)
journal_path = util.py23_input(path_query).strip() or JOURNAL_FILE_PATH
default_config['journals']['default'] = os.path.expanduser(os.path.expandvars(journal_path))
# Encrypt it?
if module_exists("Crypto"):
password = getpass.getpass("Enter password for journal (leave blank for no encryption): ")
if password:
default_config['encrypt'] = True
if util.yesno("Do you want to store the password in your keychain?", default=True):
util.set_keychain("default", password)
else:
util.set_keychain("default", None)
print("Journal will be encrypted.")
else:
password = None
print("PyCrypto not found. To encrypt your journal, install the PyCrypto package from http://www.pycrypto.org or with 'pip install pycrypto' and run 'jrnl --encrypt'. For now, your journal will be stored in plain text.")
path = os.path.split(default_config['journals']['default'])[0] # If the folder doesn't exist, create it
try:
os.makedirs(path)
except OSError:
pass
open(default_config['journals']['default'], 'a').close() # Touch to make sure it's there
save_config(config)
config = default_config
if password:
config['password'] = password
return config