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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
import os
import re
import sys
from lib2to3.refactor import get_fixers_from_package
from lib2to3.refactor import RefactoringTool
from lib2to3.fixer_util import Name
from lib2to3.fixer_util import attr_chain
from lib2to3 import fixer_base
MAPPING = {'repoze.bfg':'pyramid'}
MODULE_NAMES = (
'compat',
'configuration',
'authentication',
'authorization',
'chameleon_text',
'chameleon_zpt',
'decorator',
'encode',
'events',
'exceptions',
'i18n',
'includes',
'interfaces',
'location',
'log',
'paster',
'path',
'registry',
'renderers',
'request',
'resource',
'router',
'scripting',
'security',
'settings',
'static',
'testing',
'tests',
'tests.test_configuration',
'tests.ccbugapp',
'tests.exceptionviewapp',
'tests.exceptionviewapp.models',
'tests.fixtureapp',
'tests.fixtureapp.models',
'tests.grokkedapp',
'tests.hybridapp',
'tests.localeapp',
'tests.restbugapp',
'tests.routesapp',
'threadlocal',
'traversal',
'urldispatch',
'url',
'view',
'wsgi',
'zcml',
)
for name in MODULE_NAMES:
frm = 'repoze.bfg.' + name
to = 'pyramid.' + name
MAPPING[frm] = to
def alternates(members):
return "(" + "|".join(map(str, members)) + ")"
def build_pattern(mapping=MAPPING):
mod_list = []
for key in mapping:
splitted = key.split('.')
joined = " '.' ".join(["'%s'" %s for s in splitted])
mod_list.append(joined)
mod_list = ' | '.join(
['module_name=dotted_name< %s >' %s for s in mod_list])
yield """name_import=import_name< 'import' ((%s) |
multiple_imports=dotted_as_names< any* (%s) any* >) >
""" % (mod_list, mod_list)
yield """import_from< 'from' (%s) 'import' ['(']
( any | import_as_name< any 'as' any > |
import_as_names< any* >) [')'] >
""" % mod_list
yield """import_name< 'import' (dotted_as_name< (%s) 'as' any > |
multiple_imports=dotted_as_names<
any* dotted_as_name< (%s) 'as' any > any* >) >
""" % (mod_list, mod_list)
# Find usages of module members in code e.g. ``repoze.bfg`` or
# ``repoze.bfg.configuration``
# 'repoze' trailer< '.' 'bfg' > trailer< '.' 'configuration' >
bare_names = []
for key in mapping:
splitted = key.split('.')
tmp = ["'%s'" % splitted[0]]
for thing in splitted[1:]:
tmp.append(" trailer< '.' '%s' > " % thing)
bare_name = ''.join(tmp)
bare_names.append(bare_name)
names = alternates(bare_names)
yield "power< bare_with_attr=%s >" % names
class FixBfgImports(fixer_base.BaseFix):
mapping = MAPPING
run_order = 8
def build_pattern(self):
pattern = "|".join(build_pattern(self.mapping))
return pattern
def compile_pattern(self):
# We override this, so MAPPING can be pragmatically altered and the
# changes will be reflected in PATTERN.
self.PATTERN = self.build_pattern()
super(FixBfgImports, self).compile_pattern()
# Don't match the node if it's within another match.
def match(self, node):
match = super(FixBfgImports, self).match
results = match(node)
if results:
# Module usage could be in the trailer of an attribute lookup, so we
# might have nested matches when "bare_with_attr" is present.
if "bare_with_attr" not in results and \
any(match(obj) for obj in attr_chain(node, "parent")):
return False
return results
return False
def start_tree(self, tree, filename):
super(FixBfgImports, self).start_tree(tree, filename)
self.replace = {}
def transform(self, node, results):
# Mostly copied from fix_imports.py
import_mod = results.get("module_name")
if import_mod:
try:
mod_name = import_mod.value
except AttributeError:
# XXX: A hack to remove whitespace prefixes and suffixes
mod_name = str(import_mod).strip()
new_name = self.mapping[mod_name]
import_mod.replace(Name(new_name, prefix=import_mod.prefix))
if "name_import" in results:
# If it's not a "from x import x, y" or "import x as y" import,
# marked its usage to be replaced.
self.replace[mod_name] = new_name
if "multiple_imports" in results:
# This is a nasty hack to fix multiple imports on a line (e.g.,
# "import StringIO, urlparse"). The problem is that I can't
# figure out an easy way to make a pattern recognize the keys of
# MAPPING randomly sprinkled in an import statement.
results = self.match(node)
if results:
self.transform(node, results)
else:
# Replace usage of the module.
bare_name_text = ''.join(map(str,results['bare_with_attr'])).strip()
new_name = self.replace.get(bare_name_text)
bare_name = results["bare_with_attr"][0]
if new_name:
node.replace(Name(new_name, prefix=bare_name.prefix))
MODULE_ALTERNATIVES = []
for name in MODULE_NAMES:
MODULE_ALTERNATIVES.append(r'\.' + re.escape(name)+r'[\w\.]*?')
MODULE_ALTERNATIVES = '|'.join(MODULE_ALTERNATIVES)
BFG_NS_RE = r'xmlns\s*?=\s*?[\'\"]http://namespaces\.repoze\.org/bfg[\'\"]'
BFG_IN_ATTR = r'(repoze\.bfg)(%s)' % MODULE_ALTERNATIVES
BFG_INCLUDE_IN_ATTR = r'repoze\.bfg\.includes'
ATTR = re.compile(BFG_IN_ATTR, re.MULTILINE)
INCLUDE_ATTR = re.compile(BFG_INCLUDE_IN_ATTR, re.MULTILINE)
NS = re.compile(BFG_NS_RE, re.MULTILINE)
def replace(match):
return 'pyramid%s' % match.group(2)
def fix_zcml(path):
for root, dirs, files in os.walk(path):
for file in files:
if file.endswith('.zcml'):
absfile = os.path.join(root, file)
text = open(absfile, 'rb').read()
newt = NS.sub('xmlns="http://pylonshq.com/pyramid"', text)
newt = INCLUDE_ATTR.sub('pyramid_zcml', newt)
newt = ATTR.sub(replace, newt)
if text != newt:
newf = open(absfile, 'wb')
newf.write(newt)
newf.flush()
newf.close()
for dir in dirs:
if dir.startswith('.'):
dirs.remove(dir)
def main(argv=None):
if argv is None:
argv = sys.argv
path = argv[1]
fixer_names = get_fixers_from_package('pyramid.fixers')
tool = RefactoringTool(fixer_names)
tool.refactor([path], write=True)
fix_zcml(path)
if __name__ == '__main__':
main()
|
