bpython/bpython/config.py at 3c149965cf11e17fcf7a324457e5cb50fa131d30 · di/bpython · GitHub

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import os

import sys

from ConfigParser import ConfigParser, NoSectionError, NoOptionError

from itertools import chain

from bpython.keys import key_dispatch

import errno

class Struct(object):

"""Simple class for instantiating objects we can add arbitrary attributes

to and use for various arbitrary things."""

def fill_config_with_default_values(config, default_values):

for section in default_values.iterkeys():

if not config.has_section(section):

config.add_section(section)

for (opt, val) in default_values[section].iteritems():

if not config.has_option(section, opt):

config.set(section, opt, str(val))

def loadini(struct, configfile):

"""Loads .ini configuration file and stores its values in struct"""

config_path = os.path.expanduser(configfile)

if not os.path.isfile(config_path) and configfile == '~/.bpython/config':

# FIXME: I decided ~/.bpython.ini was a crappy place for a config file,

# so this is just a fallback if the default is passed - remove this

# eventually please.

config_path = os.path.expanduser('~/.bpython.ini')

config = ConfigParser()

fill_config_with_default_values(config, {

'general': {

'arg_spec': True,

'auto_display_list': True,

'color_scheme': 'default',

'flush_output': True,

'hist_file': '~/.pythonhist',

'hist_length': 100,

'paste_time': 0.02,

'syntax': True,

'tab_length': 4

'keyboard': {

'clear_line': 'C-u',

'clear_screen': 'C-l',

'clear_word': 'C-w',

'cut_to_buffer': 'C-k',

'down_one_line': 'C-n',

'exit': 'C-d',

'last_output': 'F9',

'pastebin': 'F8',

'save': 'C-s',

'undo': 'C-r',

'up_one_line': 'C-p',

'yank_from_buffer': 'C-y'

}

})

config.read(config_path)

struct.tab_length = config.getint('general', 'tab_length')

struct.auto_display_list = config.getboolean('general',

'auto_display_list')

struct.syntax = config.getboolean('general', 'syntax')

struct.arg_spec = config.getboolean('general', 'arg_spec')

struct.paste_time = config.getfloat('general', 'paste_time')

struct.hist_file = config.get('general', 'hist_file')

struct.hist_length = config.getint('general', 'hist_length')

struct.flush_output = config.getboolean('general', 'flush_output')

struct.pastebin_key = config.get('keyboard', 'pastebin')

struct.save_key = config.get('keyboard', 'save')

struct.undo_key = config.get('keyboard', 'undo')

struct.up_one_line_key = config.get('keyboard', 'up_one_line')

struct.down_one_line_key = config.get('keyboard', 'down_one_line')

struct.cut_to_buffer_key = config.get('keyboard', 'cut_to_buffer')

struct.yank_from_buffer_key = config.get('keyboard', 'yank_from_buffer')

struct.clear_word_key = config.get('keyboard', 'clear_word')

struct.clear_line_key = config.get('keyboard', 'clear_line')

struct.clear_screen_key = config.get('keyboard', 'clear_screen')

struct.exit_key = config.get('keyboard', 'exit')

struct.last_output_key = config.get('keyboard', 'last_output')

color_scheme_name = config.get('general', 'color_scheme')

if color_scheme_name == 'default':

struct.color_scheme = {

'keyword': 'y',

'name': 'c',

'comment': 'b',

'string': 'm',

'error': 'r',

'number': 'G',

'operator': 'Y',

'punctuation': 'y',

'token': 'C',

'background': 'd',

'output': 'w',

'main': 'c',

'prompt': 'c',

'prompt_more': 'g',

}

else:

path = os.path.expanduser('~/.bpython/%s.theme' % (color_scheme_name,))

load_theme(struct, path, config_path)

# checks for valid key configuration this part still sucks

for key in (struct.pastebin_key, struct.save_key):

key_dispatch[key]

def load_theme(struct, path, inipath):

theme = ConfigParser()

try:

f = open(path, 'r')

except (IOError, OSError), e:

sys.stdout.write("Error loading theme file specified in '%s':\n%s\n" %

(inipath, e))

sys.exit(1)

theme.readfp(f)

struct.color_scheme = {}

for k, v in chain(theme.items('syntax'), theme.items('interface')):

if theme.has_option('syntax', k):

struct.color_scheme[k] = theme.get('syntax', k)

else:

struct.color_scheme[k] = theme.get('interface', k)

f.close()

def migrate_rc(path):

"""Use the shlex module to convert the old configuration file to the new format.

The old configuration file is renamed but not removed by now."""

import shlex

f = open(path)

parser = shlex.shlex(f)

bools = {

'true': True,

'yes': True,

'on': True,

'false': False,

'no': False,

'off': False

}

config = ConfigParser()

config.add_section('general')

while True:

k = parser.get_token()

v = None

if not k:

break

k = k.lower()

if parser.get_token() == '=':

v = parser.get_token() or None

if v is not None:

try:

v = int(v)

except ValueError:

if v.lower() in bools:

v = bools[v.lower()]

config.set('general', k, v)

f.close()

try:

os.makedirs(os.path.expanduser('~/.bpython'))

except OSError, e:

if e.errno != errno.EEXIST:

raise

f = open(os.path.expanduser('~/.bpython/config'), 'w')

config.write(f)

f.close()

os.rename(path, os.path.expanduser('~/.bpythonrc.bak'))

print ("The configuration file for bpython has been changed. A new "

"config file has been created as ~/.bpython/config")

print ("The existing .bpythonrc file has been renamed to .bpythonrc.bak "

"and it can be removed.")

print "Press enter to continue."

raw_input()

bpython/bpython/config.py at 3c149965cf11e17fcf7a324457e5cb50fa131d30 · di/bpython · GitHub

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