|
1
|
|
|
#!/usr/bin/env python |
|
2
|
|
|
# -*- coding: utf-8 -*- |
|
3
|
|
|
|
|
4
|
|
|
""" |
|
5
|
|
|
cookiecutter.config |
|
6
|
|
|
------------------- |
|
7
|
|
|
|
|
8
|
|
|
Global configuration handling |
|
9
|
|
|
""" |
|
10
|
|
|
|
|
11
|
|
|
from __future__ import unicode_literals |
|
12
|
|
|
import copy |
|
13
|
|
|
import logging |
|
14
|
|
|
import os |
|
15
|
|
|
import io |
|
16
|
|
|
|
|
17
|
|
|
import poyo |
|
18
|
|
|
|
|
19
|
|
|
from .exceptions import ConfigDoesNotExistException |
|
20
|
|
|
from .exceptions import InvalidConfiguration |
|
21
|
|
|
|
|
22
|
|
|
|
|
23
|
|
|
logger = logging.getLogger(__name__) |
|
24
|
|
|
|
|
25
|
|
|
USER_CONFIG_PATH = os.path.expanduser('~/.cookiecutterrc') |
|
26
|
|
|
|
|
27
|
|
|
DEFAULT_CONFIG = { |
|
28
|
|
|
'cookiecutters_dir': os.path.expanduser('~/.cookiecutters/'), |
|
29
|
|
|
'replay_dir': os.path.expanduser('~/.cookiecutter_replay/'), |
|
30
|
|
|
'default_context': {} |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
|
|
34
|
|
|
def _expand_path(path): |
|
35
|
|
|
"""Expand both environment variables and user home in the given path.""" |
|
36
|
|
|
path = os.path.expandvars(path) |
|
37
|
|
|
path = os.path.expanduser(path) |
|
38
|
|
|
return path |
|
39
|
|
|
|
|
40
|
|
|
|
|
41
|
|
|
def get_config(config_path): |
|
42
|
|
|
""" |
|
43
|
|
|
Retrieve the config from the specified path, returning it as a config dict. |
|
44
|
|
|
""" |
|
45
|
|
|
|
|
46
|
|
|
if not os.path.exists(config_path): |
|
47
|
|
|
raise ConfigDoesNotExistException |
|
48
|
|
|
|
|
49
|
|
|
logger.debug('config_path is {0}'.format(config_path)) |
|
50
|
|
|
with io.open(config_path, encoding='utf-8') as file_handle: |
|
51
|
|
|
try: |
|
52
|
|
|
yaml_dict = poyo.parse_string(file_handle.read()) |
|
53
|
|
|
except poyo.exceptions.PoyoException as e: |
|
54
|
|
|
raise InvalidConfiguration( |
|
55
|
|
|
'Unable to parse YAML file {}. Error: {}' |
|
56
|
|
|
''.format(config_path, e) |
|
57
|
|
|
) |
|
58
|
|
|
|
|
59
|
|
|
config_dict = copy.copy(DEFAULT_CONFIG) |
|
60
|
|
|
config_dict.update(yaml_dict) |
|
61
|
|
|
|
|
62
|
|
|
raw_replay_dir = config_dict['replay_dir'] |
|
63
|
|
|
config_dict['replay_dir'] = _expand_path(raw_replay_dir) |
|
64
|
|
|
|
|
65
|
|
|
raw_cookies_dir = config_dict['cookiecutters_dir'] |
|
66
|
|
|
config_dict['cookiecutters_dir'] = _expand_path(raw_cookies_dir) |
|
67
|
|
|
|
|
68
|
|
|
return config_dict |
|
69
|
|
|
|
|
70
|
|
|
|
|
71
|
|
|
def get_user_config(config_file=USER_CONFIG_PATH): |
|
72
|
|
|
"""Retrieve the config from a file or return the defaults if None is |
|
73
|
|
|
passed. If an environment variable `COOKIECUTTER_CONFIG` is set up, try |
|
74
|
|
|
to load its value. Otherwise fall back to a default file or config. |
|
75
|
|
|
""" |
|
76
|
|
|
# Do NOT load a config. Return defaults instead. |
|
77
|
|
|
if config_file is None: |
|
78
|
|
|
return copy.copy(DEFAULT_CONFIG) |
|
79
|
|
|
|
|
80
|
|
|
# Load the given config file |
|
81
|
|
|
if config_file and config_file is not USER_CONFIG_PATH: |
|
82
|
|
|
return get_config(config_file) |
|
83
|
|
|
|
|
84
|
|
|
try: |
|
85
|
|
|
# Does the user set up a config environment variable? |
|
86
|
|
|
env_config_file = os.environ['COOKIECUTTER_CONFIG'] |
|
87
|
|
|
except KeyError: |
|
88
|
|
|
# Load an optional user config if it exists |
|
89
|
|
|
# otherwise return the defaults |
|
90
|
|
|
if os.path.exists(USER_CONFIG_PATH): |
|
91
|
|
|
return get_config(USER_CONFIG_PATH) |
|
92
|
|
|
else: |
|
93
|
|
|
return copy.copy(DEFAULT_CONFIG) |
|
94
|
|
|
else: |
|
95
|
|
|
# There is a config environment variable. Try to load it. |
|
96
|
|
|
# Do not check for existence, so invalid file paths raise an error. |
|
97
|
|
|
return get_config(env_config_file) |
|
98
|
|
|
|
|
99
|
|
|
|
|
100
|
|
|
def get_from_context(context, key, default=None, update=False): |
|
101
|
|
|
""" |
|
102
|
|
|
Get the value referenced by a given key from a given context |
|
103
|
|
|
Keys can be defined using dot notation to retrieve values from nested |
|
104
|
|
|
dictionaries |
|
105
|
|
|
Keys can contain integers to retrieve values from lists |
|
106
|
|
|
ie. |
|
107
|
|
|
context = { |
|
108
|
|
|
'cookiecutter': { |
|
109
|
|
|
'project_name': 'Project Name' |
|
110
|
|
|
} |
|
111
|
|
|
} |
|
112
|
|
|
project_name = get_from_context(context, 'cookiecutter.project_name') |
|
113
|
|
|
|
|
114
|
|
|
:param context: context to search in |
|
115
|
|
|
:param key: key to look for |
|
116
|
|
|
:param default: default value that will be returned if the key is not found |
|
117
|
|
|
:param update: if True, create the key in the context and set its value |
|
118
|
|
|
using the default argument value |
|
119
|
|
|
""" |
|
120
|
|
|
result = default |
|
121
|
|
|
current_context = context |
|
122
|
|
|
key_parts = key.split('.') |
|
123
|
|
|
for subkey in key_parts: |
|
124
|
|
|
id = int(subkey) if subkey.isdigit() else subkey |
|
125
|
|
|
|
|
126
|
|
|
if subkey in current_context or \ |
|
127
|
|
|
(isinstance(id, int) and id < len(current_context)): |
|
128
|
|
|
|
|
129
|
|
|
result = current_context[id] |
|
130
|
|
|
current_context = result |
|
131
|
|
|
else: |
|
132
|
|
|
result = default |
|
133
|
|
|
if update: |
|
134
|
|
|
current_context[id] = default |
|
135
|
|
|
|
|
136
|
|
|
return result |
|
137
|
|
|
|
audreyr /
cookiecutter
