1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
'''
pytagomacs – An Emacs like key–value editor library for Python
Copyright © 2013, 2014 Mattias Andrée (maandree@member.fsf.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import os
INACTIVE_COLOUR = '34'
'''
:str? The colour of an inactive line
'''
ACTIVE_COLOUR = '01;34'
'''
:str? The colour of an active line
'''
SELECTED_COLOUR = '44;37'
'''
:str? The colour of a selected text
'''
STATUS_COLOUR = '07'
'''
:str? The colour of the status bar
'''
ALERT_COLOUR = None
'''
:str? The colour of the alert message
'''
KILLRING_LIMIT = 50
'''
:int The maximum size of the killring
'''
EDITRING_LIMIT = 100
'''
:int The maximum size of the editring
'''
atleast = lambda x, minimum : (x is not None) and (x >= minimum)
'''
Test that a value is defined and of at least a minimum value
'''
limit = lambda x_min, x, x_max : min(max(x_min, x), x_max)
'''
Limit a value to a closed set
'''
ctrl = lambda key : chr(ord(key) ^ ord('@'))
'''
Return the symbol for a specific letter pressed in combination with Ctrl
'''
backspace = lambda x : (ord(x) == 127) or (ord(x) == 8)
'''
Check if a key stroke is a backspace key stroke
'''
class Jump():
'''
Create a cursor jump that can either be included in a print statement
as a string or invoked
@param y:int The row, 1 based
@param x:int The column, 1 based
@string :str|()→void Functor that can be treated as a string for jumping
'''
def __init__(self, y, x):
self.string = '\033[%i;%iH' % (y, x)
def __str__(self):
return self.string
def __call__(self):
print(self.string, end = '')
## Load extension and configurations via pytagomacsrc.
config_file = None
# Possible auto-selected configuration scripts,
# earlier ones have precedence, we can only select one.
files = []
def add_files(var, *ps, multi = False):
if var == '~':
try:
# Get the home (also known as initial) directory of the real user
import pwd
var = pwd.getpwuid(os.getuid()).pw_dir
except:
return
else:
# Resolve environment variable or use empty string if none is selected
if (var is None) or (var in os.environ) and (not os.environ[var] == ''):
var = '' if var is None else os.environ[var]
else:
return
paths = [var]
# Split environment variable value if it is a multi valeu variable
if multi and os.pathsep in var:
paths = [v for v in var.split(os.pathsep) if not v == '']
# Add files according to patterns
for p in ps:
p = p.replace('/', os.sep).replace('%', 'pytagomacs')
for v in paths:
files.append(v + p)
add_files('XDG_CONFIG_HOME', '/%/%rc', '/%rc')
add_files('HOME', '/.config/%/%rc', '/.config/%rc', '/.%rc')
add_files('~', '/.config/%/%rc', '/.config/%rc', '/.%rc')
add_files('XDG_CONFIG_DIRS', '/%rc', multi = True)
add_files(None, '/etc/%rc')
for file in files:
# If the file we exists,
if os.path.exists(file):
# select it,
config_file = file
# and stop trying files with lower precedence.
break
if config_file is not None:
code = None
# Read configuration script file
with open(config_file, 'rb') as script:
code = script.read()
# Decode configurion script file and add a line break
# at the end to ensure that the last line is empty.
# If it is not, we will get errors.
code = code.decode('utf-8', 'error') + '\n'
# Compile the configuration script,
code = compile(code, config_file, 'exec')
# and run it, with it have the same
# globals as this module, so that it can
# not only use want we have defined, but
# also redefine it for us.
exec(code, globals())
|
