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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
#!/usr/bin/env python
# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Simple Mako renderer.
Just a wrapper around the mako rendering library.
"""
import getopt
import imp
import os
import shutil
import sys
from mako.lookup import TemplateLookup
from mako.runtime import Context
from mako.template import Template
import bunch
import yaml
# Imports a plugin
def import_plugin(name):
_, base_ex = os.path.split(name)
base, _ = os.path.splitext(base_ex)
with open(name, 'r') as plugin_file:
plugin_code = plugin_file.read()
plugin_module = imp.new_module(base)
exec plugin_code in plugin_module.__dict__
return plugin_module
def out(msg):
print >> sys.stderr, msg
def showhelp():
out('mako-renderer.py [-o out] [-m cache] [-d dict] [-d dict...] template')
def main(argv):
got_input = False
module_directory = None
dictionary = {}
json_dict = {}
got_output = False
output_file = sys.stdout
plugins = []
output_name = None
try:
opts, args = getopt.getopt(argv, 'hm:d:o:p:')
except getopt.GetoptError:
out('Unknown option')
showhelp()
sys.exit(2)
for opt, arg in opts:
if opt == '-h':
out('Displaying showhelp')
showhelp()
sys.exit()
elif opt == '-o':
if got_output:
out('Got more than one output')
showhelp()
sys.exit(3)
got_output = True
output_name = arg
elif opt == '-m':
if module_directory is not None:
out('Got more than one cache directory')
showhelp()
sys.exit(4)
module_directory = arg
elif opt == '-d':
dict_file = open(arg, 'r')
bunch.merge_json(json_dict, yaml.load(dict_file.read()))
dict_file.close()
elif opt == '-p':
plugins.append(import_plugin(arg))
for plugin in plugins:
plugin.mako_plugin(json_dict)
for k, v in json_dict.items():
dictionary[k] = bunch.to_bunch(v)
cleared_dir = False
for arg in args:
got_input = True
with open(arg) as f:
srcs = list(yaml.load_all(f.read()))
for src in srcs:
if isinstance(src, basestring):
assert len(srcs) == 1
template = Template(src,
filename=arg,
module_directory=module_directory,
lookup=TemplateLookup(directories=['.']))
with open(output_name, 'w') as output_file:
template.render_context(Context(output_file, **dictionary))
else:
# we have optional control data: this template represents
# a directory
if not cleared_dir:
if not os.path.exists(output_name):
pass
elif os.path.isfile(output_name):
os.unlink(output_name)
else:
shutil.rmtree(output_name, ignore_errors=True)
cleared_dir = True
items = []
if 'foreach' in src:
for el in dictionary[src['foreach']]:
if 'cond' in src:
args = dict(dictionary)
args['selected'] = el
if not eval(src['cond'], {}, args):
continue
items.append(el)
assert items
else:
items = [None]
for item in items:
args = dict(dictionary)
args['selected'] = item
item_output_name = os.path.join(
output_name, Template(src['output_name']).render(**args))
if not os.path.exists(os.path.dirname(item_output_name)):
os.makedirs(os.path.dirname(item_output_name))
template = Template(src['template'],
filename=arg,
module_directory=module_directory,
lookup=TemplateLookup(directories=['.']))
with open(item_output_name, 'w') as output_file:
template.render_context(Context(output_file, **args))
if not got_input:
out('Got nothing to do')
showhelp()
output_file.close()
if __name__ == '__main__':
main(sys.argv[1:])
|
