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@@ -1,478 +1,469 b'' | |||||
1 | # templateutil.py - utility for template evaluation |
|
1 | # templateutil.py - utility for template evaluation | |
2 | # |
|
2 | # | |
3 | # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import types |
|
10 | import types | |
11 |
|
11 | |||
12 | from .i18n import _ |
|
12 | from .i18n import _ | |
13 | from . import ( |
|
13 | from . import ( | |
14 | error, |
|
14 | error, | |
15 | pycompat, |
|
15 | pycompat, | |
16 | util, |
|
16 | util, | |
17 | ) |
|
17 | ) | |
18 | from .utils import ( |
|
18 | from .utils import ( | |
19 | stringutil, |
|
19 | stringutil, | |
20 | ) |
|
20 | ) | |
21 |
|
21 | |||
22 | class ResourceUnavailable(error.Abort): |
|
22 | class ResourceUnavailable(error.Abort): | |
23 | pass |
|
23 | pass | |
24 |
|
24 | |||
25 | class TemplateNotFound(error.Abort): |
|
25 | class TemplateNotFound(error.Abort): | |
26 | pass |
|
26 | pass | |
27 |
|
27 | |||
28 | class hybrid(object): |
|
28 | class hybrid(object): | |
29 | """Wrapper for list or dict to support legacy template |
|
29 | """Wrapper for list or dict to support legacy template | |
30 |
|
30 | |||
31 | This class allows us to handle both: |
|
31 | This class allows us to handle both: | |
32 | - "{files}" (legacy command-line-specific list hack) and |
|
32 | - "{files}" (legacy command-line-specific list hack) and | |
33 | - "{files % '{file}\n'}" (hgweb-style with inlining and function support) |
|
33 | - "{files % '{file}\n'}" (hgweb-style with inlining and function support) | |
34 | and to access raw values: |
|
34 | and to access raw values: | |
35 | - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}" |
|
35 | - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}" | |
36 | - "{get(extras, key)}" |
|
36 | - "{get(extras, key)}" | |
37 | - "{files|json}" |
|
37 | - "{files|json}" | |
38 | """ |
|
38 | """ | |
39 |
|
39 | |||
40 | def __init__(self, gen, values, makemap, joinfmt, keytype=None): |
|
40 | def __init__(self, gen, values, makemap, joinfmt, keytype=None): | |
41 | if gen is not None: |
|
41 | if gen is not None: | |
42 | self.gen = gen # generator or function returning generator |
|
42 | self.gen = gen # generator or function returning generator | |
43 | self._values = values |
|
43 | self._values = values | |
44 | self._makemap = makemap |
|
44 | self._makemap = makemap | |
45 | self.joinfmt = joinfmt |
|
45 | self.joinfmt = joinfmt | |
46 | self.keytype = keytype # hint for 'x in y' where type(x) is unresolved |
|
46 | self.keytype = keytype # hint for 'x in y' where type(x) is unresolved | |
47 | def gen(self): |
|
47 | def gen(self): | |
48 | """Default generator to stringify this as {join(self, ' ')}""" |
|
48 | """Default generator to stringify this as {join(self, ' ')}""" | |
49 | for i, x in enumerate(self._values): |
|
49 | for i, x in enumerate(self._values): | |
50 | if i > 0: |
|
50 | if i > 0: | |
51 | yield ' ' |
|
51 | yield ' ' | |
52 | yield self.joinfmt(x) |
|
52 | yield self.joinfmt(x) | |
53 | def itermaps(self): |
|
53 | def itermaps(self): | |
54 | makemap = self._makemap |
|
54 | makemap = self._makemap | |
55 | for x in self._values: |
|
55 | for x in self._values: | |
56 | yield makemap(x) |
|
56 | yield makemap(x) | |
57 | def __contains__(self, x): |
|
57 | def __contains__(self, x): | |
58 | return x in self._values |
|
58 | return x in self._values | |
59 | def __getitem__(self, key): |
|
59 | def __getitem__(self, key): | |
60 | return self._values[key] |
|
60 | return self._values[key] | |
61 | def __len__(self): |
|
61 | def __len__(self): | |
62 | return len(self._values) |
|
62 | return len(self._values) | |
63 | def __iter__(self): |
|
63 | def __iter__(self): | |
64 | return iter(self._values) |
|
64 | return iter(self._values) | |
65 | def __getattr__(self, name): |
|
65 | def __getattr__(self, name): | |
66 | if name not in (r'get', r'items', r'iteritems', r'iterkeys', |
|
66 | if name not in (r'get', r'items', r'iteritems', r'iterkeys', | |
67 | r'itervalues', r'keys', r'values'): |
|
67 | r'itervalues', r'keys', r'values'): | |
68 | raise AttributeError(name) |
|
68 | raise AttributeError(name) | |
69 | return getattr(self._values, name) |
|
69 | return getattr(self._values, name) | |
70 |
|
70 | |||
71 | class mappable(object): |
|
71 | class mappable(object): | |
72 | """Wrapper for non-list/dict object to support map operation |
|
72 | """Wrapper for non-list/dict object to support map operation | |
73 |
|
73 | |||
74 | This class allows us to handle both: |
|
74 | This class allows us to handle both: | |
75 | - "{manifest}" |
|
75 | - "{manifest}" | |
76 | - "{manifest % '{rev}:{node}'}" |
|
76 | - "{manifest % '{rev}:{node}'}" | |
77 | - "{manifest.rev}" |
|
77 | - "{manifest.rev}" | |
78 |
|
78 | |||
79 | Unlike a hybrid, this does not simulate the behavior of the underling |
|
79 | Unlike a hybrid, this does not simulate the behavior of the underling | |
80 | value. Use unwrapvalue() or unwraphybrid() to obtain the inner object. |
|
80 | value. Use unwrapvalue() or unwraphybrid() to obtain the inner object. | |
81 | """ |
|
81 | """ | |
82 |
|
82 | |||
83 | def __init__(self, gen, key, value, makemap): |
|
83 | def __init__(self, gen, key, value, makemap): | |
84 | if gen is not None: |
|
84 | if gen is not None: | |
85 | self.gen = gen # generator or function returning generator |
|
85 | self.gen = gen # generator or function returning generator | |
86 | self._key = key |
|
86 | self._key = key | |
87 | self._value = value # may be generator of strings |
|
87 | self._value = value # may be generator of strings | |
88 | self._makemap = makemap |
|
88 | self._makemap = makemap | |
89 |
|
89 | |||
90 | def gen(self): |
|
90 | def gen(self): | |
91 | yield pycompat.bytestr(self._value) |
|
91 | yield pycompat.bytestr(self._value) | |
92 |
|
92 | |||
93 | def tomap(self): |
|
93 | def tomap(self): | |
94 | return self._makemap(self._key) |
|
94 | return self._makemap(self._key) | |
95 |
|
95 | |||
96 | def itermaps(self): |
|
96 | def itermaps(self): | |
97 | yield self.tomap() |
|
97 | yield self.tomap() | |
98 |
|
98 | |||
99 | def hybriddict(data, key='key', value='value', fmt=None, gen=None): |
|
99 | def hybriddict(data, key='key', value='value', fmt=None, gen=None): | |
100 | """Wrap data to support both dict-like and string-like operations""" |
|
100 | """Wrap data to support both dict-like and string-like operations""" | |
101 | prefmt = pycompat.identity |
|
101 | prefmt = pycompat.identity | |
102 | if fmt is None: |
|
102 | if fmt is None: | |
103 | fmt = '%s=%s' |
|
103 | fmt = '%s=%s' | |
104 | prefmt = pycompat.bytestr |
|
104 | prefmt = pycompat.bytestr | |
105 | return hybrid(gen, data, lambda k: {key: k, value: data[k]}, |
|
105 | return hybrid(gen, data, lambda k: {key: k, value: data[k]}, | |
106 | lambda k: fmt % (prefmt(k), prefmt(data[k]))) |
|
106 | lambda k: fmt % (prefmt(k), prefmt(data[k]))) | |
107 |
|
107 | |||
108 | def hybridlist(data, name, fmt=None, gen=None): |
|
108 | def hybridlist(data, name, fmt=None, gen=None): | |
109 | """Wrap data to support both list-like and string-like operations""" |
|
109 | """Wrap data to support both list-like and string-like operations""" | |
110 | prefmt = pycompat.identity |
|
110 | prefmt = pycompat.identity | |
111 | if fmt is None: |
|
111 | if fmt is None: | |
112 | fmt = '%s' |
|
112 | fmt = '%s' | |
113 | prefmt = pycompat.bytestr |
|
113 | prefmt = pycompat.bytestr | |
114 | return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x)) |
|
114 | return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x)) | |
115 |
|
115 | |||
116 | def unwraphybrid(thing): |
|
116 | def unwraphybrid(thing): | |
117 | """Return an object which can be stringified possibly by using a legacy |
|
117 | """Return an object which can be stringified possibly by using a legacy | |
118 | template""" |
|
118 | template""" | |
119 | gen = getattr(thing, 'gen', None) |
|
119 | gen = getattr(thing, 'gen', None) | |
120 | if gen is None: |
|
120 | if gen is None: | |
121 | return thing |
|
121 | return thing | |
122 | if callable(gen): |
|
122 | if callable(gen): | |
123 | return gen() |
|
123 | return gen() | |
124 | return gen |
|
124 | return gen | |
125 |
|
125 | |||
126 | def unwrapvalue(thing): |
|
126 | def unwrapvalue(thing): | |
127 | """Move the inner value object out of the wrapper""" |
|
127 | """Move the inner value object out of the wrapper""" | |
128 | if not util.safehasattr(thing, '_value'): |
|
128 | if not util.safehasattr(thing, '_value'): | |
129 | return thing |
|
129 | return thing | |
130 | return thing._value |
|
130 | return thing._value | |
131 |
|
131 | |||
132 | def wraphybridvalue(container, key, value): |
|
132 | def wraphybridvalue(container, key, value): | |
133 | """Wrap an element of hybrid container to be mappable |
|
133 | """Wrap an element of hybrid container to be mappable | |
134 |
|
134 | |||
135 | The key is passed to the makemap function of the given container, which |
|
135 | The key is passed to the makemap function of the given container, which | |
136 | should be an item generated by iter(container). |
|
136 | should be an item generated by iter(container). | |
137 | """ |
|
137 | """ | |
138 | makemap = getattr(container, '_makemap', None) |
|
138 | makemap = getattr(container, '_makemap', None) | |
139 | if makemap is None: |
|
139 | if makemap is None: | |
140 | return value |
|
140 | return value | |
141 | if util.safehasattr(value, '_makemap'): |
|
141 | if util.safehasattr(value, '_makemap'): | |
142 | # a nested hybrid list/dict, which has its own way of map operation |
|
142 | # a nested hybrid list/dict, which has its own way of map operation | |
143 | return value |
|
143 | return value | |
144 | return mappable(None, key, value, makemap) |
|
144 | return mappable(None, key, value, makemap) | |
145 |
|
145 | |||
146 | def compatdict(context, mapping, name, data, key='key', value='value', |
|
146 | def compatdict(context, mapping, name, data, key='key', value='value', | |
147 | fmt=None, plural=None, separator=' '): |
|
147 | fmt=None, plural=None, separator=' '): | |
148 | """Wrap data like hybriddict(), but also supports old-style list template |
|
148 | """Wrap data like hybriddict(), but also supports old-style list template | |
149 |
|
149 | |||
150 | This exists for backward compatibility with the old-style template. Use |
|
150 | This exists for backward compatibility with the old-style template. Use | |
151 | hybriddict() for new template keywords. |
|
151 | hybriddict() for new template keywords. | |
152 | """ |
|
152 | """ | |
153 | c = [{key: k, value: v} for k, v in data.iteritems()] |
|
153 | c = [{key: k, value: v} for k, v in data.iteritems()] | |
154 | f = _showcompatlist(context, mapping, name, c, plural, separator) |
|
154 | f = _showcompatlist(context, mapping, name, c, plural, separator) | |
155 | return hybriddict(data, key=key, value=value, fmt=fmt, gen=f) |
|
155 | return hybriddict(data, key=key, value=value, fmt=fmt, gen=f) | |
156 |
|
156 | |||
157 | def compatlist(context, mapping, name, data, element=None, fmt=None, |
|
157 | def compatlist(context, mapping, name, data, element=None, fmt=None, | |
158 | plural=None, separator=' '): |
|
158 | plural=None, separator=' '): | |
159 | """Wrap data like hybridlist(), but also supports old-style list template |
|
159 | """Wrap data like hybridlist(), but also supports old-style list template | |
160 |
|
160 | |||
161 | This exists for backward compatibility with the old-style template. Use |
|
161 | This exists for backward compatibility with the old-style template. Use | |
162 | hybridlist() for new template keywords. |
|
162 | hybridlist() for new template keywords. | |
163 | """ |
|
163 | """ | |
164 | f = _showcompatlist(context, mapping, name, data, plural, separator) |
|
164 | f = _showcompatlist(context, mapping, name, data, plural, separator) | |
165 | return hybridlist(data, name=element or name, fmt=fmt, gen=f) |
|
165 | return hybridlist(data, name=element or name, fmt=fmt, gen=f) | |
166 |
|
166 | |||
167 | def _showcompatlist(context, mapping, name, values, plural=None, separator=' '): |
|
167 | def _showcompatlist(context, mapping, name, values, plural=None, separator=' '): | |
168 | """Return a generator that renders old-style list template |
|
168 | """Return a generator that renders old-style list template | |
169 |
|
169 | |||
170 | name is name of key in template map. |
|
170 | name is name of key in template map. | |
171 | values is list of strings or dicts. |
|
171 | values is list of strings or dicts. | |
172 | plural is plural of name, if not simply name + 's'. |
|
172 | plural is plural of name, if not simply name + 's'. | |
173 | separator is used to join values as a string |
|
173 | separator is used to join values as a string | |
174 |
|
174 | |||
175 | expansion works like this, given name 'foo'. |
|
175 | expansion works like this, given name 'foo'. | |
176 |
|
176 | |||
177 | if values is empty, expand 'no_foos'. |
|
177 | if values is empty, expand 'no_foos'. | |
178 |
|
178 | |||
179 | if 'foo' not in template map, return values as a string, |
|
179 | if 'foo' not in template map, return values as a string, | |
180 | joined by 'separator'. |
|
180 | joined by 'separator'. | |
181 |
|
181 | |||
182 | expand 'start_foos'. |
|
182 | expand 'start_foos'. | |
183 |
|
183 | |||
184 | for each value, expand 'foo'. if 'last_foo' in template |
|
184 | for each value, expand 'foo'. if 'last_foo' in template | |
185 | map, expand it instead of 'foo' for last key. |
|
185 | map, expand it instead of 'foo' for last key. | |
186 |
|
186 | |||
187 | expand 'end_foos'. |
|
187 | expand 'end_foos'. | |
188 | """ |
|
188 | """ | |
189 | if not plural: |
|
189 | if not plural: | |
190 | plural = name + 's' |
|
190 | plural = name + 's' | |
191 | if not values: |
|
191 | if not values: | |
192 | noname = 'no_' + plural |
|
192 | noname = 'no_' + plural | |
193 | if context.preload(noname): |
|
193 | if context.preload(noname): | |
194 | yield context.process(noname, mapping) |
|
194 | yield context.process(noname, mapping) | |
195 | return |
|
195 | return | |
196 | if not context.preload(name): |
|
196 | if not context.preload(name): | |
197 | if isinstance(values[0], bytes): |
|
197 | if isinstance(values[0], bytes): | |
198 | yield separator.join(values) |
|
198 | yield separator.join(values) | |
199 | else: |
|
199 | else: | |
200 | for v in values: |
|
200 | for v in values: | |
201 | r = dict(v) |
|
201 | r = dict(v) | |
202 | r.update(mapping) |
|
202 | r.update(mapping) | |
203 | yield r |
|
203 | yield r | |
204 | return |
|
204 | return | |
205 | startname = 'start_' + plural |
|
205 | startname = 'start_' + plural | |
206 | if context.preload(startname): |
|
206 | if context.preload(startname): | |
207 | yield context.process(startname, mapping) |
|
207 | yield context.process(startname, mapping) | |
208 | def one(v, tag=name): |
|
208 | def one(v, tag=name): | |
209 | vmapping = {} |
|
209 | vmapping = {} | |
210 | try: |
|
210 | try: | |
211 | vmapping.update(v) |
|
211 | vmapping.update(v) | |
212 | # Python 2 raises ValueError if the type of v is wrong. Python |
|
212 | # Python 2 raises ValueError if the type of v is wrong. Python | |
213 | # 3 raises TypeError. |
|
213 | # 3 raises TypeError. | |
214 | except (AttributeError, TypeError, ValueError): |
|
214 | except (AttributeError, TypeError, ValueError): | |
215 | try: |
|
215 | try: | |
216 | # Python 2 raises ValueError trying to destructure an e.g. |
|
216 | # Python 2 raises ValueError trying to destructure an e.g. | |
217 | # bytes. Python 3 raises TypeError. |
|
217 | # bytes. Python 3 raises TypeError. | |
218 | for a, b in v: |
|
218 | for a, b in v: | |
219 | vmapping[a] = b |
|
219 | vmapping[a] = b | |
220 | except (TypeError, ValueError): |
|
220 | except (TypeError, ValueError): | |
221 | vmapping[name] = v |
|
221 | vmapping[name] = v | |
222 | vmapping = context.overlaymap(mapping, vmapping) |
|
222 | vmapping = context.overlaymap(mapping, vmapping) | |
223 | return context.process(tag, vmapping) |
|
223 | return context.process(tag, vmapping) | |
224 | lastname = 'last_' + name |
|
224 | lastname = 'last_' + name | |
225 | if context.preload(lastname): |
|
225 | if context.preload(lastname): | |
226 | last = values.pop() |
|
226 | last = values.pop() | |
227 | else: |
|
227 | else: | |
228 | last = None |
|
228 | last = None | |
229 | for v in values: |
|
229 | for v in values: | |
230 | yield one(v) |
|
230 | yield one(v) | |
231 | if last is not None: |
|
231 | if last is not None: | |
232 | yield one(last, tag=lastname) |
|
232 | yield one(last, tag=lastname) | |
233 | endname = 'end_' + plural |
|
233 | endname = 'end_' + plural | |
234 | if context.preload(endname): |
|
234 | if context.preload(endname): | |
235 | yield context.process(endname, mapping) |
|
235 | yield context.process(endname, mapping) | |
236 |
|
236 | |||
237 | def flatten(thing): |
|
237 | def flatten(thing): | |
238 | """Yield a single stream from a possibly nested set of iterators""" |
|
238 | """Yield a single stream from a possibly nested set of iterators""" | |
239 | thing = unwraphybrid(thing) |
|
239 | thing = unwraphybrid(thing) | |
240 | if isinstance(thing, bytes): |
|
240 | if isinstance(thing, bytes): | |
241 | yield thing |
|
241 | yield thing | |
242 | elif isinstance(thing, str): |
|
242 | elif isinstance(thing, str): | |
243 | # We can only hit this on Python 3, and it's here to guard |
|
243 | # We can only hit this on Python 3, and it's here to guard | |
244 | # against infinite recursion. |
|
244 | # against infinite recursion. | |
245 | raise error.ProgrammingError('Mercurial IO including templates is done' |
|
245 | raise error.ProgrammingError('Mercurial IO including templates is done' | |
246 | ' with bytes, not strings, got %r' % thing) |
|
246 | ' with bytes, not strings, got %r' % thing) | |
247 | elif thing is None: |
|
247 | elif thing is None: | |
248 | pass |
|
248 | pass | |
249 | elif not util.safehasattr(thing, '__iter__'): |
|
249 | elif not util.safehasattr(thing, '__iter__'): | |
250 | yield pycompat.bytestr(thing) |
|
250 | yield pycompat.bytestr(thing) | |
251 | else: |
|
251 | else: | |
252 | for i in thing: |
|
252 | for i in thing: | |
253 | i = unwraphybrid(i) |
|
253 | i = unwraphybrid(i) | |
254 | if isinstance(i, bytes): |
|
254 | if isinstance(i, bytes): | |
255 | yield i |
|
255 | yield i | |
256 | elif i is None: |
|
256 | elif i is None: | |
257 | pass |
|
257 | pass | |
258 | elif not util.safehasattr(i, '__iter__'): |
|
258 | elif not util.safehasattr(i, '__iter__'): | |
259 | yield pycompat.bytestr(i) |
|
259 | yield pycompat.bytestr(i) | |
260 | else: |
|
260 | else: | |
261 | for j in flatten(i): |
|
261 | for j in flatten(i): | |
262 | yield j |
|
262 | yield j | |
263 |
|
263 | |||
264 | def stringify(thing): |
|
264 | def stringify(thing): | |
265 | """Turn values into bytes by converting into text and concatenating them""" |
|
265 | """Turn values into bytes by converting into text and concatenating them""" | |
266 | thing = unwraphybrid(thing) |
|
266 | if isinstance(thing, bytes): | |
267 | if util.safehasattr(thing, '__iter__') and not isinstance(thing, bytes): |
|
267 | return thing # retain localstr to be round-tripped | |
268 | if isinstance(thing, str): |
|
268 | return b''.join(flatten(thing)) | |
269 | # This is only reachable on Python 3 (otherwise |
|
|||
270 | # isinstance(thing, bytes) would have been true), and is |
|
|||
271 | # here to prevent infinite recursion bugs on Python 3. |
|
|||
272 | raise error.ProgrammingError( |
|
|||
273 | 'stringify got unexpected unicode string: %r' % thing) |
|
|||
274 | return "".join([stringify(t) for t in thing if t is not None]) |
|
|||
275 | if thing is None: |
|
|||
276 | return "" |
|
|||
277 | return pycompat.bytestr(thing) |
|
|||
278 |
|
269 | |||
279 | def findsymbolicname(arg): |
|
270 | def findsymbolicname(arg): | |
280 | """Find symbolic name for the given compiled expression; returns None |
|
271 | """Find symbolic name for the given compiled expression; returns None | |
281 | if nothing found reliably""" |
|
272 | if nothing found reliably""" | |
282 | while True: |
|
273 | while True: | |
283 | func, data = arg |
|
274 | func, data = arg | |
284 | if func is runsymbol: |
|
275 | if func is runsymbol: | |
285 | return data |
|
276 | return data | |
286 | elif func is runfilter: |
|
277 | elif func is runfilter: | |
287 | arg = data[0] |
|
278 | arg = data[0] | |
288 | else: |
|
279 | else: | |
289 | return None |
|
280 | return None | |
290 |
|
281 | |||
291 | def evalrawexp(context, mapping, arg): |
|
282 | def evalrawexp(context, mapping, arg): | |
292 | """Evaluate given argument as a bare template object which may require |
|
283 | """Evaluate given argument as a bare template object which may require | |
293 | further processing (such as folding generator of strings)""" |
|
284 | further processing (such as folding generator of strings)""" | |
294 | func, data = arg |
|
285 | func, data = arg | |
295 | return func(context, mapping, data) |
|
286 | return func(context, mapping, data) | |
296 |
|
287 | |||
297 | def evalfuncarg(context, mapping, arg): |
|
288 | def evalfuncarg(context, mapping, arg): | |
298 | """Evaluate given argument as value type""" |
|
289 | """Evaluate given argument as value type""" | |
299 | thing = evalrawexp(context, mapping, arg) |
|
290 | thing = evalrawexp(context, mapping, arg) | |
300 | thing = unwrapvalue(thing) |
|
291 | thing = unwrapvalue(thing) | |
301 | # evalrawexp() may return string, generator of strings or arbitrary object |
|
292 | # evalrawexp() may return string, generator of strings or arbitrary object | |
302 | # such as date tuple, but filter does not want generator. |
|
293 | # such as date tuple, but filter does not want generator. | |
303 | if isinstance(thing, types.GeneratorType): |
|
294 | if isinstance(thing, types.GeneratorType): | |
304 | thing = stringify(thing) |
|
295 | thing = stringify(thing) | |
305 | return thing |
|
296 | return thing | |
306 |
|
297 | |||
307 | def evalboolean(context, mapping, arg): |
|
298 | def evalboolean(context, mapping, arg): | |
308 | """Evaluate given argument as boolean, but also takes boolean literals""" |
|
299 | """Evaluate given argument as boolean, but also takes boolean literals""" | |
309 | func, data = arg |
|
300 | func, data = arg | |
310 | if func is runsymbol: |
|
301 | if func is runsymbol: | |
311 | thing = func(context, mapping, data, default=None) |
|
302 | thing = func(context, mapping, data, default=None) | |
312 | if thing is None: |
|
303 | if thing is None: | |
313 | # not a template keyword, takes as a boolean literal |
|
304 | # not a template keyword, takes as a boolean literal | |
314 | thing = stringutil.parsebool(data) |
|
305 | thing = stringutil.parsebool(data) | |
315 | else: |
|
306 | else: | |
316 | thing = func(context, mapping, data) |
|
307 | thing = func(context, mapping, data) | |
317 | thing = unwrapvalue(thing) |
|
308 | thing = unwrapvalue(thing) | |
318 | if isinstance(thing, bool): |
|
309 | if isinstance(thing, bool): | |
319 | return thing |
|
310 | return thing | |
320 | # other objects are evaluated as strings, which means 0 is True, but |
|
311 | # other objects are evaluated as strings, which means 0 is True, but | |
321 | # empty dict/list should be False as they are expected to be '' |
|
312 | # empty dict/list should be False as they are expected to be '' | |
322 | return bool(stringify(thing)) |
|
313 | return bool(stringify(thing)) | |
323 |
|
314 | |||
324 | def evalinteger(context, mapping, arg, err=None): |
|
315 | def evalinteger(context, mapping, arg, err=None): | |
325 | v = evalfuncarg(context, mapping, arg) |
|
316 | v = evalfuncarg(context, mapping, arg) | |
326 | try: |
|
317 | try: | |
327 | return int(v) |
|
318 | return int(v) | |
328 | except (TypeError, ValueError): |
|
319 | except (TypeError, ValueError): | |
329 | raise error.ParseError(err or _('not an integer')) |
|
320 | raise error.ParseError(err or _('not an integer')) | |
330 |
|
321 | |||
331 | def evalstring(context, mapping, arg): |
|
322 | def evalstring(context, mapping, arg): | |
332 | return stringify(evalrawexp(context, mapping, arg)) |
|
323 | return stringify(evalrawexp(context, mapping, arg)) | |
333 |
|
324 | |||
334 | def evalstringliteral(context, mapping, arg): |
|
325 | def evalstringliteral(context, mapping, arg): | |
335 | """Evaluate given argument as string template, but returns symbol name |
|
326 | """Evaluate given argument as string template, but returns symbol name | |
336 | if it is unknown""" |
|
327 | if it is unknown""" | |
337 | func, data = arg |
|
328 | func, data = arg | |
338 | if func is runsymbol: |
|
329 | if func is runsymbol: | |
339 | thing = func(context, mapping, data, default=data) |
|
330 | thing = func(context, mapping, data, default=data) | |
340 | else: |
|
331 | else: | |
341 | thing = func(context, mapping, data) |
|
332 | thing = func(context, mapping, data) | |
342 | return stringify(thing) |
|
333 | return stringify(thing) | |
343 |
|
334 | |||
344 | _evalfuncbytype = { |
|
335 | _evalfuncbytype = { | |
345 | bool: evalboolean, |
|
336 | bool: evalboolean, | |
346 | bytes: evalstring, |
|
337 | bytes: evalstring, | |
347 | int: evalinteger, |
|
338 | int: evalinteger, | |
348 | } |
|
339 | } | |
349 |
|
340 | |||
350 | def evalastype(context, mapping, arg, typ): |
|
341 | def evalastype(context, mapping, arg, typ): | |
351 | """Evaluate given argument and coerce its type""" |
|
342 | """Evaluate given argument and coerce its type""" | |
352 | try: |
|
343 | try: | |
353 | f = _evalfuncbytype[typ] |
|
344 | f = _evalfuncbytype[typ] | |
354 | except KeyError: |
|
345 | except KeyError: | |
355 | raise error.ProgrammingError('invalid type specified: %r' % typ) |
|
346 | raise error.ProgrammingError('invalid type specified: %r' % typ) | |
356 | return f(context, mapping, arg) |
|
347 | return f(context, mapping, arg) | |
357 |
|
348 | |||
358 | def runinteger(context, mapping, data): |
|
349 | def runinteger(context, mapping, data): | |
359 | return int(data) |
|
350 | return int(data) | |
360 |
|
351 | |||
361 | def runstring(context, mapping, data): |
|
352 | def runstring(context, mapping, data): | |
362 | return data |
|
353 | return data | |
363 |
|
354 | |||
364 | def _recursivesymbolblocker(key): |
|
355 | def _recursivesymbolblocker(key): | |
365 | def showrecursion(**args): |
|
356 | def showrecursion(**args): | |
366 | raise error.Abort(_("recursive reference '%s' in template") % key) |
|
357 | raise error.Abort(_("recursive reference '%s' in template") % key) | |
367 | return showrecursion |
|
358 | return showrecursion | |
368 |
|
359 | |||
369 | def runsymbol(context, mapping, key, default=''): |
|
360 | def runsymbol(context, mapping, key, default=''): | |
370 | v = context.symbol(mapping, key) |
|
361 | v = context.symbol(mapping, key) | |
371 | if v is None: |
|
362 | if v is None: | |
372 | # put poison to cut recursion. we can't move this to parsing phase |
|
363 | # put poison to cut recursion. we can't move this to parsing phase | |
373 | # because "x = {x}" is allowed if "x" is a keyword. (issue4758) |
|
364 | # because "x = {x}" is allowed if "x" is a keyword. (issue4758) | |
374 | safemapping = mapping.copy() |
|
365 | safemapping = mapping.copy() | |
375 | safemapping[key] = _recursivesymbolblocker(key) |
|
366 | safemapping[key] = _recursivesymbolblocker(key) | |
376 | try: |
|
367 | try: | |
377 | v = context.process(key, safemapping) |
|
368 | v = context.process(key, safemapping) | |
378 | except TemplateNotFound: |
|
369 | except TemplateNotFound: | |
379 | v = default |
|
370 | v = default | |
380 | if callable(v) and getattr(v, '_requires', None) is None: |
|
371 | if callable(v) and getattr(v, '_requires', None) is None: | |
381 | # old templatekw: expand all keywords and resources |
|
372 | # old templatekw: expand all keywords and resources | |
382 | # (TODO: deprecate this after porting web template keywords to new API) |
|
373 | # (TODO: deprecate this after porting web template keywords to new API) | |
383 | props = {k: context._resources.lookup(context, mapping, k) |
|
374 | props = {k: context._resources.lookup(context, mapping, k) | |
384 | for k in context._resources.knownkeys()} |
|
375 | for k in context._resources.knownkeys()} | |
385 | # pass context to _showcompatlist() through templatekw._showlist() |
|
376 | # pass context to _showcompatlist() through templatekw._showlist() | |
386 | props['templ'] = context |
|
377 | props['templ'] = context | |
387 | props.update(mapping) |
|
378 | props.update(mapping) | |
388 | return v(**pycompat.strkwargs(props)) |
|
379 | return v(**pycompat.strkwargs(props)) | |
389 | if callable(v): |
|
380 | if callable(v): | |
390 | # new templatekw |
|
381 | # new templatekw | |
391 | try: |
|
382 | try: | |
392 | return v(context, mapping) |
|
383 | return v(context, mapping) | |
393 | except ResourceUnavailable: |
|
384 | except ResourceUnavailable: | |
394 | # unsupported keyword is mapped to empty just like unknown keyword |
|
385 | # unsupported keyword is mapped to empty just like unknown keyword | |
395 | return None |
|
386 | return None | |
396 | return v |
|
387 | return v | |
397 |
|
388 | |||
398 | def runtemplate(context, mapping, template): |
|
389 | def runtemplate(context, mapping, template): | |
399 | for arg in template: |
|
390 | for arg in template: | |
400 | yield evalrawexp(context, mapping, arg) |
|
391 | yield evalrawexp(context, mapping, arg) | |
401 |
|
392 | |||
402 | def runfilter(context, mapping, data): |
|
393 | def runfilter(context, mapping, data): | |
403 | arg, filt = data |
|
394 | arg, filt = data | |
404 | thing = evalfuncarg(context, mapping, arg) |
|
395 | thing = evalfuncarg(context, mapping, arg) | |
405 | try: |
|
396 | try: | |
406 | return filt(thing) |
|
397 | return filt(thing) | |
407 | except (ValueError, AttributeError, TypeError): |
|
398 | except (ValueError, AttributeError, TypeError): | |
408 | sym = findsymbolicname(arg) |
|
399 | sym = findsymbolicname(arg) | |
409 | if sym: |
|
400 | if sym: | |
410 | msg = (_("template filter '%s' is not compatible with keyword '%s'") |
|
401 | msg = (_("template filter '%s' is not compatible with keyword '%s'") | |
411 | % (pycompat.sysbytes(filt.__name__), sym)) |
|
402 | % (pycompat.sysbytes(filt.__name__), sym)) | |
412 | else: |
|
403 | else: | |
413 | msg = (_("incompatible use of template filter '%s'") |
|
404 | msg = (_("incompatible use of template filter '%s'") | |
414 | % pycompat.sysbytes(filt.__name__)) |
|
405 | % pycompat.sysbytes(filt.__name__)) | |
415 | raise error.Abort(msg) |
|
406 | raise error.Abort(msg) | |
416 |
|
407 | |||
417 | def runmap(context, mapping, data): |
|
408 | def runmap(context, mapping, data): | |
418 | darg, targ = data |
|
409 | darg, targ = data | |
419 | d = evalrawexp(context, mapping, darg) |
|
410 | d = evalrawexp(context, mapping, darg) | |
420 | if util.safehasattr(d, 'itermaps'): |
|
411 | if util.safehasattr(d, 'itermaps'): | |
421 | diter = d.itermaps() |
|
412 | diter = d.itermaps() | |
422 | else: |
|
413 | else: | |
423 | try: |
|
414 | try: | |
424 | diter = iter(d) |
|
415 | diter = iter(d) | |
425 | except TypeError: |
|
416 | except TypeError: | |
426 | sym = findsymbolicname(darg) |
|
417 | sym = findsymbolicname(darg) | |
427 | if sym: |
|
418 | if sym: | |
428 | raise error.ParseError(_("keyword '%s' is not iterable") % sym) |
|
419 | raise error.ParseError(_("keyword '%s' is not iterable") % sym) | |
429 | else: |
|
420 | else: | |
430 | raise error.ParseError(_("%r is not iterable") % d) |
|
421 | raise error.ParseError(_("%r is not iterable") % d) | |
431 |
|
422 | |||
432 | for i, v in enumerate(diter): |
|
423 | for i, v in enumerate(diter): | |
433 | if isinstance(v, dict): |
|
424 | if isinstance(v, dict): | |
434 | lm = context.overlaymap(mapping, v) |
|
425 | lm = context.overlaymap(mapping, v) | |
435 | lm['index'] = i |
|
426 | lm['index'] = i | |
436 | yield evalrawexp(context, lm, targ) |
|
427 | yield evalrawexp(context, lm, targ) | |
437 | else: |
|
428 | else: | |
438 | # v is not an iterable of dicts, this happen when 'key' |
|
429 | # v is not an iterable of dicts, this happen when 'key' | |
439 | # has been fully expanded already and format is useless. |
|
430 | # has been fully expanded already and format is useless. | |
440 | # If so, return the expanded value. |
|
431 | # If so, return the expanded value. | |
441 | yield v |
|
432 | yield v | |
442 |
|
433 | |||
443 | def runmember(context, mapping, data): |
|
434 | def runmember(context, mapping, data): | |
444 | darg, memb = data |
|
435 | darg, memb = data | |
445 | d = evalrawexp(context, mapping, darg) |
|
436 | d = evalrawexp(context, mapping, darg) | |
446 | if util.safehasattr(d, 'tomap'): |
|
437 | if util.safehasattr(d, 'tomap'): | |
447 | lm = context.overlaymap(mapping, d.tomap()) |
|
438 | lm = context.overlaymap(mapping, d.tomap()) | |
448 | return runsymbol(context, lm, memb) |
|
439 | return runsymbol(context, lm, memb) | |
449 | if util.safehasattr(d, 'get'): |
|
440 | if util.safehasattr(d, 'get'): | |
450 | return getdictitem(d, memb) |
|
441 | return getdictitem(d, memb) | |
451 |
|
442 | |||
452 | sym = findsymbolicname(darg) |
|
443 | sym = findsymbolicname(darg) | |
453 | if sym: |
|
444 | if sym: | |
454 | raise error.ParseError(_("keyword '%s' has no member") % sym) |
|
445 | raise error.ParseError(_("keyword '%s' has no member") % sym) | |
455 | else: |
|
446 | else: | |
456 | raise error.ParseError(_("%r has no member") % pycompat.bytestr(d)) |
|
447 | raise error.ParseError(_("%r has no member") % pycompat.bytestr(d)) | |
457 |
|
448 | |||
458 | def runnegate(context, mapping, data): |
|
449 | def runnegate(context, mapping, data): | |
459 | data = evalinteger(context, mapping, data, |
|
450 | data = evalinteger(context, mapping, data, | |
460 | _('negation needs an integer argument')) |
|
451 | _('negation needs an integer argument')) | |
461 | return -data |
|
452 | return -data | |
462 |
|
453 | |||
463 | def runarithmetic(context, mapping, data): |
|
454 | def runarithmetic(context, mapping, data): | |
464 | func, left, right = data |
|
455 | func, left, right = data | |
465 | left = evalinteger(context, mapping, left, |
|
456 | left = evalinteger(context, mapping, left, | |
466 | _('arithmetic only defined on integers')) |
|
457 | _('arithmetic only defined on integers')) | |
467 | right = evalinteger(context, mapping, right, |
|
458 | right = evalinteger(context, mapping, right, | |
468 | _('arithmetic only defined on integers')) |
|
459 | _('arithmetic only defined on integers')) | |
469 | try: |
|
460 | try: | |
470 | return func(left, right) |
|
461 | return func(left, right) | |
471 | except ZeroDivisionError: |
|
462 | except ZeroDivisionError: | |
472 | raise error.Abort(_('division by zero is not defined')) |
|
463 | raise error.Abort(_('division by zero is not defined')) | |
473 |
|
464 | |||
474 | def getdictitem(dictarg, key): |
|
465 | def getdictitem(dictarg, key): | |
475 | val = dictarg.get(key) |
|
466 | val = dictarg.get(key) | |
476 | if val is None: |
|
467 | if val is None: | |
477 | return |
|
468 | return | |
478 | return wraphybridvalue(dictarg, key, val) |
|
469 | return wraphybridvalue(dictarg, key, val) |
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