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1 | # templateutil.py - utility for template evaluation |
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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 abc |
|
10 | import abc | |
11 | import types |
|
11 | import types | |
12 |
|
12 | |||
13 | from .i18n import _ |
|
13 | from .i18n import _ | |
14 | from . import ( |
|
14 | from . import ( | |
15 | error, |
|
15 | error, | |
16 | pycompat, |
|
16 | pycompat, | |
17 | util, |
|
17 | util, | |
18 | ) |
|
18 | ) | |
19 | from .utils import ( |
|
19 | from .utils import ( | |
20 | dateutil, |
|
20 | dateutil, | |
21 | stringutil, |
|
21 | stringutil, | |
22 | ) |
|
22 | ) | |
23 |
|
23 | |||
24 | class ResourceUnavailable(error.Abort): |
|
24 | class ResourceUnavailable(error.Abort): | |
25 | pass |
|
25 | pass | |
26 |
|
26 | |||
27 | class TemplateNotFound(error.Abort): |
|
27 | class TemplateNotFound(error.Abort): | |
28 | pass |
|
28 | pass | |
29 |
|
29 | |||
30 | class wrapped(object): |
|
30 | class wrapped(object): | |
31 | """Object requiring extra conversion prior to displaying or processing |
|
31 | """Object requiring extra conversion prior to displaying or processing | |
32 | as value |
|
32 | as value | |
33 |
|
33 | |||
34 | Use unwrapvalue(), unwrapastype(), or unwraphybrid() to obtain the inner |
|
34 | Use unwrapvalue(), unwrapastype(), or unwraphybrid() to obtain the inner | |
35 | object. |
|
35 | object. | |
36 | """ |
|
36 | """ | |
37 |
|
37 | |||
38 | __metaclass__ = abc.ABCMeta |
|
38 | __metaclass__ = abc.ABCMeta | |
39 |
|
39 | |||
40 | @abc.abstractmethod |
|
40 | @abc.abstractmethod | |
41 | def getmember(self, context, mapping, key): |
|
41 | def getmember(self, context, mapping, key): | |
42 | """Return a member item for the specified key |
|
42 | """Return a member item for the specified key | |
43 |
|
43 | |||
44 | The key argument may be a wrapped object. |
|
44 | The key argument may be a wrapped object. | |
45 | A returned object may be either a wrapped object or a pure value |
|
45 | A returned object may be either a wrapped object or a pure value | |
46 | depending on the self type. |
|
46 | depending on the self type. | |
47 | """ |
|
47 | """ | |
48 |
|
48 | |||
49 | @abc.abstractmethod |
|
49 | @abc.abstractmethod | |
50 | def getmin(self, context, mapping): |
|
50 | def getmin(self, context, mapping): | |
51 | """Return the smallest item, which may be either a wrapped or a pure |
|
51 | """Return the smallest item, which may be either a wrapped or a pure | |
52 | value depending on the self type""" |
|
52 | value depending on the self type""" | |
53 |
|
53 | |||
54 | @abc.abstractmethod |
|
54 | @abc.abstractmethod | |
55 | def getmax(self, context, mapping): |
|
55 | def getmax(self, context, mapping): | |
56 | """Return the largest item, which may be either a wrapped or a pure |
|
56 | """Return the largest item, which may be either a wrapped or a pure | |
57 | value depending on the self type""" |
|
57 | value depending on the self type""" | |
58 |
|
58 | |||
59 | @abc.abstractmethod |
|
59 | @abc.abstractmethod | |
60 | def itermaps(self, context): |
|
60 | def itermaps(self, context): | |
61 | """Yield each template mapping""" |
|
61 | """Yield each template mapping""" | |
62 |
|
62 | |||
63 | @abc.abstractmethod |
|
63 | @abc.abstractmethod | |
64 | def join(self, context, mapping, sep): |
|
64 | def join(self, context, mapping, sep): | |
65 | """Join items with the separator; Returns a bytes or (possibly nested) |
|
65 | """Join items with the separator; Returns a bytes or (possibly nested) | |
66 | generator of bytes |
|
66 | generator of bytes | |
67 |
|
67 | |||
68 | A pre-configured template may be rendered per item if this container |
|
68 | A pre-configured template may be rendered per item if this container | |
69 | holds unprintable items. |
|
69 | holds unprintable items. | |
70 | """ |
|
70 | """ | |
71 |
|
71 | |||
72 | @abc.abstractmethod |
|
72 | @abc.abstractmethod | |
73 | def show(self, context, mapping): |
|
73 | def show(self, context, mapping): | |
74 | """Return a bytes or (possibly nested) generator of bytes representing |
|
74 | """Return a bytes or (possibly nested) generator of bytes representing | |
75 | the underlying object |
|
75 | the underlying object | |
76 |
|
76 | |||
77 | A pre-configured template may be rendered if the underlying object is |
|
77 | A pre-configured template may be rendered if the underlying object is | |
78 | not printable. |
|
78 | not printable. | |
79 | """ |
|
79 | """ | |
80 |
|
80 | |||
81 | @abc.abstractmethod |
|
81 | @abc.abstractmethod | |
82 | def tovalue(self, context, mapping): |
|
82 | def tovalue(self, context, mapping): | |
83 | """Move the inner value object out or create a value representation |
|
83 | """Move the inner value object out or create a value representation | |
84 |
|
84 | |||
85 | A returned value must be serializable by templaterfilters.json(). |
|
85 | A returned value must be serializable by templaterfilters.json(). | |
86 | """ |
|
86 | """ | |
87 |
|
87 | |||
88 | class wrappedbytes(wrapped): |
|
88 | class wrappedbytes(wrapped): | |
89 | """Wrapper for byte string""" |
|
89 | """Wrapper for byte string""" | |
90 |
|
90 | |||
91 | def __init__(self, value): |
|
91 | def __init__(self, value): | |
92 | self._value = value |
|
92 | self._value = value | |
93 |
|
93 | |||
94 | def getmember(self, context, mapping, key): |
|
94 | def getmember(self, context, mapping, key): | |
95 | raise error.ParseError(_('%r is not a dictionary') |
|
95 | raise error.ParseError(_('%r is not a dictionary') | |
96 | % pycompat.bytestr(self._value)) |
|
96 | % pycompat.bytestr(self._value)) | |
97 |
|
97 | |||
98 | def getmin(self, context, mapping): |
|
98 | def getmin(self, context, mapping): | |
99 | return self._getby(context, mapping, min) |
|
99 | return self._getby(context, mapping, min) | |
100 |
|
100 | |||
101 | def getmax(self, context, mapping): |
|
101 | def getmax(self, context, mapping): | |
102 | return self._getby(context, mapping, max) |
|
102 | return self._getby(context, mapping, max) | |
103 |
|
103 | |||
104 | def _getby(self, context, mapping, func): |
|
104 | def _getby(self, context, mapping, func): | |
105 | if not self._value: |
|
105 | if not self._value: | |
106 | raise error.ParseError(_('empty string')) |
|
106 | raise error.ParseError(_('empty string')) | |
107 | return func(pycompat.iterbytestr(self._value)) |
|
107 | return func(pycompat.iterbytestr(self._value)) | |
108 |
|
108 | |||
109 | def itermaps(self, context): |
|
109 | def itermaps(self, context): | |
110 | raise error.ParseError(_('%r is not iterable of mappings') |
|
110 | raise error.ParseError(_('%r is not iterable of mappings') | |
111 | % pycompat.bytestr(self._value)) |
|
111 | % pycompat.bytestr(self._value)) | |
112 |
|
112 | |||
113 | def join(self, context, mapping, sep): |
|
113 | def join(self, context, mapping, sep): | |
114 | return joinitems(pycompat.iterbytestr(self._value), sep) |
|
114 | return joinitems(pycompat.iterbytestr(self._value), sep) | |
115 |
|
115 | |||
116 | def show(self, context, mapping): |
|
116 | def show(self, context, mapping): | |
117 | return self._value |
|
117 | return self._value | |
118 |
|
118 | |||
119 | def tovalue(self, context, mapping): |
|
119 | def tovalue(self, context, mapping): | |
120 | return self._value |
|
120 | return self._value | |
121 |
|
121 | |||
122 | class wrappedvalue(wrapped): |
|
122 | class wrappedvalue(wrapped): | |
123 | """Generic wrapper for pure non-list/dict/bytes value""" |
|
123 | """Generic wrapper for pure non-list/dict/bytes value""" | |
124 |
|
124 | |||
125 | def __init__(self, value): |
|
125 | def __init__(self, value): | |
126 | self._value = value |
|
126 | self._value = value | |
127 |
|
127 | |||
128 | def getmember(self, context, mapping, key): |
|
128 | def getmember(self, context, mapping, key): | |
129 | raise error.ParseError(_('%r is not a dictionary') % self._value) |
|
129 | raise error.ParseError(_('%r is not a dictionary') % self._value) | |
130 |
|
130 | |||
131 | def getmin(self, context, mapping): |
|
131 | def getmin(self, context, mapping): | |
132 | raise error.ParseError(_("%r is not iterable") % self._value) |
|
132 | raise error.ParseError(_("%r is not iterable") % self._value) | |
133 |
|
133 | |||
134 | def getmax(self, context, mapping): |
|
134 | def getmax(self, context, mapping): | |
135 | raise error.ParseError(_("%r is not iterable") % self._value) |
|
135 | raise error.ParseError(_("%r is not iterable") % self._value) | |
136 |
|
136 | |||
137 | def itermaps(self, context): |
|
137 | def itermaps(self, context): | |
138 | raise error.ParseError(_('%r is not iterable of mappings') |
|
138 | raise error.ParseError(_('%r is not iterable of mappings') | |
139 | % self._value) |
|
139 | % self._value) | |
140 |
|
140 | |||
141 | def join(self, context, mapping, sep): |
|
141 | def join(self, context, mapping, sep): | |
142 | raise error.ParseError(_('%r is not iterable') % self._value) |
|
142 | raise error.ParseError(_('%r is not iterable') % self._value) | |
143 |
|
143 | |||
144 | def show(self, context, mapping): |
|
144 | def show(self, context, mapping): | |
145 | return pycompat.bytestr(self._value) |
|
145 | return pycompat.bytestr(self._value) | |
146 |
|
146 | |||
147 | def tovalue(self, context, mapping): |
|
147 | def tovalue(self, context, mapping): | |
148 | return self._value |
|
148 | return self._value | |
149 |
|
149 | |||
150 | # stub for representing a date type; may be a real date type that can |
|
150 | # stub for representing a date type; may be a real date type that can | |
151 | # provide a readable string value |
|
151 | # provide a readable string value | |
152 | class date(object): |
|
152 | class date(object): | |
153 | pass |
|
153 | pass | |
154 |
|
154 | |||
155 | class hybrid(wrapped): |
|
155 | class hybrid(wrapped): | |
156 | """Wrapper for list or dict to support legacy template |
|
156 | """Wrapper for list or dict to support legacy template | |
157 |
|
157 | |||
158 | This class allows us to handle both: |
|
158 | This class allows us to handle both: | |
159 | - "{files}" (legacy command-line-specific list hack) and |
|
159 | - "{files}" (legacy command-line-specific list hack) and | |
160 | - "{files % '{file}\n'}" (hgweb-style with inlining and function support) |
|
160 | - "{files % '{file}\n'}" (hgweb-style with inlining and function support) | |
161 | and to access raw values: |
|
161 | and to access raw values: | |
162 | - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}" |
|
162 | - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}" | |
163 | - "{get(extras, key)}" |
|
163 | - "{get(extras, key)}" | |
164 | - "{files|json}" |
|
164 | - "{files|json}" | |
165 | """ |
|
165 | """ | |
166 |
|
166 | |||
167 | def __init__(self, gen, values, makemap, joinfmt, keytype=None): |
|
167 | def __init__(self, gen, values, makemap, joinfmt, keytype=None): | |
168 | self._gen = gen # generator or function returning generator |
|
168 | self._gen = gen # generator or function returning generator | |
169 | self._values = values |
|
169 | self._values = values | |
170 | self._makemap = makemap |
|
170 | self._makemap = makemap | |
171 | self._joinfmt = joinfmt |
|
171 | self._joinfmt = joinfmt | |
172 | self.keytype = keytype # hint for 'x in y' where type(x) is unresolved |
|
172 | self.keytype = keytype # hint for 'x in y' where type(x) is unresolved | |
173 |
|
173 | |||
174 | def getmember(self, context, mapping, key): |
|
174 | def getmember(self, context, mapping, key): | |
175 | # TODO: maybe split hybrid list/dict types? |
|
175 | # TODO: maybe split hybrid list/dict types? | |
176 | if not util.safehasattr(self._values, 'get'): |
|
176 | if not util.safehasattr(self._values, 'get'): | |
177 | raise error.ParseError(_('not a dictionary')) |
|
177 | raise error.ParseError(_('not a dictionary')) | |
178 | key = unwrapastype(context, mapping, key, self.keytype) |
|
178 | key = unwrapastype(context, mapping, key, self.keytype) | |
179 | return self._wrapvalue(key, self._values.get(key)) |
|
179 | return self._wrapvalue(key, self._values.get(key)) | |
180 |
|
180 | |||
181 | def getmin(self, context, mapping): |
|
181 | def getmin(self, context, mapping): | |
182 | return self._getby(context, mapping, min) |
|
182 | return self._getby(context, mapping, min) | |
183 |
|
183 | |||
184 | def getmax(self, context, mapping): |
|
184 | def getmax(self, context, mapping): | |
185 | return self._getby(context, mapping, max) |
|
185 | return self._getby(context, mapping, max) | |
186 |
|
186 | |||
187 | def _getby(self, context, mapping, func): |
|
187 | def _getby(self, context, mapping, func): | |
188 | if not self._values: |
|
188 | if not self._values: | |
189 | raise error.ParseError(_('empty sequence')) |
|
189 | raise error.ParseError(_('empty sequence')) | |
190 | val = func(self._values) |
|
190 | val = func(self._values) | |
191 | return self._wrapvalue(val, val) |
|
191 | return self._wrapvalue(val, val) | |
192 |
|
192 | |||
193 | def _wrapvalue(self, key, val): |
|
193 | def _wrapvalue(self, key, val): | |
194 | if val is None: |
|
194 | if val is None: | |
195 | return |
|
195 | return | |
196 | return wraphybridvalue(self, key, val) |
|
196 | if util.safehasattr(val, '_makemap'): | |
|
197 | # a nested hybrid list/dict, which has its own way of map operation | |||
|
198 | return val | |||
|
199 | return mappable(None, key, val, self._makemap) | |||
197 |
|
200 | |||
198 | def itermaps(self, context): |
|
201 | def itermaps(self, context): | |
199 | makemap = self._makemap |
|
202 | makemap = self._makemap | |
200 | for x in self._values: |
|
203 | for x in self._values: | |
201 | yield makemap(x) |
|
204 | yield makemap(x) | |
202 |
|
205 | |||
203 | def join(self, context, mapping, sep): |
|
206 | def join(self, context, mapping, sep): | |
204 | # TODO: switch gen to (context, mapping) API? |
|
207 | # TODO: switch gen to (context, mapping) API? | |
205 | return joinitems((self._joinfmt(x) for x in self._values), sep) |
|
208 | return joinitems((self._joinfmt(x) for x in self._values), sep) | |
206 |
|
209 | |||
207 | def show(self, context, mapping): |
|
210 | def show(self, context, mapping): | |
208 | # TODO: switch gen to (context, mapping) API? |
|
211 | # TODO: switch gen to (context, mapping) API? | |
209 | gen = self._gen |
|
212 | gen = self._gen | |
210 | if gen is None: |
|
213 | if gen is None: | |
211 | return self.join(context, mapping, ' ') |
|
214 | return self.join(context, mapping, ' ') | |
212 | if callable(gen): |
|
215 | if callable(gen): | |
213 | return gen() |
|
216 | return gen() | |
214 | return gen |
|
217 | return gen | |
215 |
|
218 | |||
216 | def tovalue(self, context, mapping): |
|
219 | def tovalue(self, context, mapping): | |
217 | # TODO: return self._values and get rid of proxy methods |
|
220 | # TODO: return self._values and get rid of proxy methods | |
218 | return self |
|
221 | return self | |
219 |
|
222 | |||
220 | def __contains__(self, x): |
|
223 | def __contains__(self, x): | |
221 | return x in self._values |
|
224 | return x in self._values | |
222 | def __getitem__(self, key): |
|
225 | def __getitem__(self, key): | |
223 | return self._values[key] |
|
226 | return self._values[key] | |
224 | def __len__(self): |
|
227 | def __len__(self): | |
225 | return len(self._values) |
|
228 | return len(self._values) | |
226 | def __iter__(self): |
|
229 | def __iter__(self): | |
227 | return iter(self._values) |
|
230 | return iter(self._values) | |
228 | def __getattr__(self, name): |
|
231 | def __getattr__(self, name): | |
229 | if name not in (r'get', r'items', r'iteritems', r'iterkeys', |
|
232 | if name not in (r'get', r'items', r'iteritems', r'iterkeys', | |
230 | r'itervalues', r'keys', r'values'): |
|
233 | r'itervalues', r'keys', r'values'): | |
231 | raise AttributeError(name) |
|
234 | raise AttributeError(name) | |
232 | return getattr(self._values, name) |
|
235 | return getattr(self._values, name) | |
233 |
|
236 | |||
234 | class mappable(wrapped): |
|
237 | class mappable(wrapped): | |
235 | """Wrapper for non-list/dict object to support map operation |
|
238 | """Wrapper for non-list/dict object to support map operation | |
236 |
|
239 | |||
237 | This class allows us to handle both: |
|
240 | This class allows us to handle both: | |
238 | - "{manifest}" |
|
241 | - "{manifest}" | |
239 | - "{manifest % '{rev}:{node}'}" |
|
242 | - "{manifest % '{rev}:{node}'}" | |
240 | - "{manifest.rev}" |
|
243 | - "{manifest.rev}" | |
241 |
|
244 | |||
242 | Unlike a hybrid, this does not simulate the behavior of the underling |
|
245 | Unlike a hybrid, this does not simulate the behavior of the underling | |
243 | value. |
|
246 | value. | |
244 | """ |
|
247 | """ | |
245 |
|
248 | |||
246 | def __init__(self, gen, key, value, makemap): |
|
249 | def __init__(self, gen, key, value, makemap): | |
247 | self._gen = gen # generator or function returning generator |
|
250 | self._gen = gen # generator or function returning generator | |
248 | self._key = key |
|
251 | self._key = key | |
249 | self._value = value # may be generator of strings |
|
252 | self._value = value # may be generator of strings | |
250 | self._makemap = makemap |
|
253 | self._makemap = makemap | |
251 |
|
254 | |||
252 | def tomap(self): |
|
255 | def tomap(self): | |
253 | return self._makemap(self._key) |
|
256 | return self._makemap(self._key) | |
254 |
|
257 | |||
255 | def getmember(self, context, mapping, key): |
|
258 | def getmember(self, context, mapping, key): | |
256 | w = makewrapped(context, mapping, self._value) |
|
259 | w = makewrapped(context, mapping, self._value) | |
257 | return w.getmember(context, mapping, key) |
|
260 | return w.getmember(context, mapping, key) | |
258 |
|
261 | |||
259 | def getmin(self, context, mapping): |
|
262 | def getmin(self, context, mapping): | |
260 | w = makewrapped(context, mapping, self._value) |
|
263 | w = makewrapped(context, mapping, self._value) | |
261 | return w.getmin(context, mapping) |
|
264 | return w.getmin(context, mapping) | |
262 |
|
265 | |||
263 | def getmax(self, context, mapping): |
|
266 | def getmax(self, context, mapping): | |
264 | w = makewrapped(context, mapping, self._value) |
|
267 | w = makewrapped(context, mapping, self._value) | |
265 | return w.getmax(context, mapping) |
|
268 | return w.getmax(context, mapping) | |
266 |
|
269 | |||
267 | def itermaps(self, context): |
|
270 | def itermaps(self, context): | |
268 | yield self.tomap() |
|
271 | yield self.tomap() | |
269 |
|
272 | |||
270 | def join(self, context, mapping, sep): |
|
273 | def join(self, context, mapping, sep): | |
271 | w = makewrapped(context, mapping, self._value) |
|
274 | w = makewrapped(context, mapping, self._value) | |
272 | return w.join(context, mapping, sep) |
|
275 | return w.join(context, mapping, sep) | |
273 |
|
276 | |||
274 | def show(self, context, mapping): |
|
277 | def show(self, context, mapping): | |
275 | # TODO: switch gen to (context, mapping) API? |
|
278 | # TODO: switch gen to (context, mapping) API? | |
276 | gen = self._gen |
|
279 | gen = self._gen | |
277 | if gen is None: |
|
280 | if gen is None: | |
278 | return pycompat.bytestr(self._value) |
|
281 | return pycompat.bytestr(self._value) | |
279 | if callable(gen): |
|
282 | if callable(gen): | |
280 | return gen() |
|
283 | return gen() | |
281 | return gen |
|
284 | return gen | |
282 |
|
285 | |||
283 | def tovalue(self, context, mapping): |
|
286 | def tovalue(self, context, mapping): | |
284 | return _unthunk(context, mapping, self._value) |
|
287 | return _unthunk(context, mapping, self._value) | |
285 |
|
288 | |||
286 | class _mappingsequence(wrapped): |
|
289 | class _mappingsequence(wrapped): | |
287 | """Wrapper for sequence of template mappings |
|
290 | """Wrapper for sequence of template mappings | |
288 |
|
291 | |||
289 | This represents an inner template structure (i.e. a list of dicts), |
|
292 | This represents an inner template structure (i.e. a list of dicts), | |
290 | which can also be rendered by the specified named/literal template. |
|
293 | which can also be rendered by the specified named/literal template. | |
291 |
|
294 | |||
292 | Template mappings may be nested. |
|
295 | Template mappings may be nested. | |
293 | """ |
|
296 | """ | |
294 |
|
297 | |||
295 | def __init__(self, name=None, tmpl=None, sep=''): |
|
298 | def __init__(self, name=None, tmpl=None, sep=''): | |
296 | if name is not None and tmpl is not None: |
|
299 | if name is not None and tmpl is not None: | |
297 | raise error.ProgrammingError('name and tmpl are mutually exclusive') |
|
300 | raise error.ProgrammingError('name and tmpl are mutually exclusive') | |
298 | self._name = name |
|
301 | self._name = name | |
299 | self._tmpl = tmpl |
|
302 | self._tmpl = tmpl | |
300 | self._defaultsep = sep |
|
303 | self._defaultsep = sep | |
301 |
|
304 | |||
302 | def getmember(self, context, mapping, key): |
|
305 | def getmember(self, context, mapping, key): | |
303 | raise error.ParseError(_('not a dictionary')) |
|
306 | raise error.ParseError(_('not a dictionary')) | |
304 |
|
307 | |||
305 | def getmin(self, context, mapping): |
|
308 | def getmin(self, context, mapping): | |
306 | raise error.ParseError(_('not comparable')) |
|
309 | raise error.ParseError(_('not comparable')) | |
307 |
|
310 | |||
308 | def getmax(self, context, mapping): |
|
311 | def getmax(self, context, mapping): | |
309 | raise error.ParseError(_('not comparable')) |
|
312 | raise error.ParseError(_('not comparable')) | |
310 |
|
313 | |||
311 | def join(self, context, mapping, sep): |
|
314 | def join(self, context, mapping, sep): | |
312 | mapsiter = _iteroverlaymaps(context, mapping, self.itermaps(context)) |
|
315 | mapsiter = _iteroverlaymaps(context, mapping, self.itermaps(context)) | |
313 | if self._name: |
|
316 | if self._name: | |
314 | itemiter = (context.process(self._name, m) for m in mapsiter) |
|
317 | itemiter = (context.process(self._name, m) for m in mapsiter) | |
315 | elif self._tmpl: |
|
318 | elif self._tmpl: | |
316 | itemiter = (context.expand(self._tmpl, m) for m in mapsiter) |
|
319 | itemiter = (context.expand(self._tmpl, m) for m in mapsiter) | |
317 | else: |
|
320 | else: | |
318 | raise error.ParseError(_('not displayable without template')) |
|
321 | raise error.ParseError(_('not displayable without template')) | |
319 | return joinitems(itemiter, sep) |
|
322 | return joinitems(itemiter, sep) | |
320 |
|
323 | |||
321 | def show(self, context, mapping): |
|
324 | def show(self, context, mapping): | |
322 | return self.join(context, mapping, self._defaultsep) |
|
325 | return self.join(context, mapping, self._defaultsep) | |
323 |
|
326 | |||
324 | def tovalue(self, context, mapping): |
|
327 | def tovalue(self, context, mapping): | |
325 | knownres = context.knownresourcekeys() |
|
328 | knownres = context.knownresourcekeys() | |
326 | items = [] |
|
329 | items = [] | |
327 | for nm in self.itermaps(context): |
|
330 | for nm in self.itermaps(context): | |
328 | # drop internal resources (recursively) which shouldn't be displayed |
|
331 | # drop internal resources (recursively) which shouldn't be displayed | |
329 | lm = context.overlaymap(mapping, nm) |
|
332 | lm = context.overlaymap(mapping, nm) | |
330 | items.append({k: unwrapvalue(context, lm, v) |
|
333 | items.append({k: unwrapvalue(context, lm, v) | |
331 | for k, v in nm.iteritems() if k not in knownres}) |
|
334 | for k, v in nm.iteritems() if k not in knownres}) | |
332 | return items |
|
335 | return items | |
333 |
|
336 | |||
334 | class mappinggenerator(_mappingsequence): |
|
337 | class mappinggenerator(_mappingsequence): | |
335 | """Wrapper for generator of template mappings |
|
338 | """Wrapper for generator of template mappings | |
336 |
|
339 | |||
337 | The function ``make(context, *args)`` should return a generator of |
|
340 | The function ``make(context, *args)`` should return a generator of | |
338 | mapping dicts. |
|
341 | mapping dicts. | |
339 | """ |
|
342 | """ | |
340 |
|
343 | |||
341 | def __init__(self, make, args=(), name=None, tmpl=None, sep=''): |
|
344 | def __init__(self, make, args=(), name=None, tmpl=None, sep=''): | |
342 | super(mappinggenerator, self).__init__(name, tmpl, sep) |
|
345 | super(mappinggenerator, self).__init__(name, tmpl, sep) | |
343 | self._make = make |
|
346 | self._make = make | |
344 | self._args = args |
|
347 | self._args = args | |
345 |
|
348 | |||
346 | def itermaps(self, context): |
|
349 | def itermaps(self, context): | |
347 | return self._make(context, *self._args) |
|
350 | return self._make(context, *self._args) | |
348 |
|
351 | |||
349 | class mappinglist(_mappingsequence): |
|
352 | class mappinglist(_mappingsequence): | |
350 | """Wrapper for list of template mappings""" |
|
353 | """Wrapper for list of template mappings""" | |
351 |
|
354 | |||
352 | def __init__(self, mappings, name=None, tmpl=None, sep=''): |
|
355 | def __init__(self, mappings, name=None, tmpl=None, sep=''): | |
353 | super(mappinglist, self).__init__(name, tmpl, sep) |
|
356 | super(mappinglist, self).__init__(name, tmpl, sep) | |
354 | self._mappings = mappings |
|
357 | self._mappings = mappings | |
355 |
|
358 | |||
356 | def itermaps(self, context): |
|
359 | def itermaps(self, context): | |
357 | return iter(self._mappings) |
|
360 | return iter(self._mappings) | |
358 |
|
361 | |||
359 | class mappedgenerator(wrapped): |
|
362 | class mappedgenerator(wrapped): | |
360 | """Wrapper for generator of strings which acts as a list |
|
363 | """Wrapper for generator of strings which acts as a list | |
361 |
|
364 | |||
362 | The function ``make(context, *args)`` should return a generator of |
|
365 | The function ``make(context, *args)`` should return a generator of | |
363 | byte strings, or a generator of (possibly nested) generators of byte |
|
366 | byte strings, or a generator of (possibly nested) generators of byte | |
364 | strings (i.e. a generator for a list of byte strings.) |
|
367 | strings (i.e. a generator for a list of byte strings.) | |
365 | """ |
|
368 | """ | |
366 |
|
369 | |||
367 | def __init__(self, make, args=()): |
|
370 | def __init__(self, make, args=()): | |
368 | self._make = make |
|
371 | self._make = make | |
369 | self._args = args |
|
372 | self._args = args | |
370 |
|
373 | |||
371 | def _gen(self, context): |
|
374 | def _gen(self, context): | |
372 | return self._make(context, *self._args) |
|
375 | return self._make(context, *self._args) | |
373 |
|
376 | |||
374 | def getmember(self, context, mapping, key): |
|
377 | def getmember(self, context, mapping, key): | |
375 | raise error.ParseError(_('not a dictionary')) |
|
378 | raise error.ParseError(_('not a dictionary')) | |
376 |
|
379 | |||
377 | def getmin(self, context, mapping): |
|
380 | def getmin(self, context, mapping): | |
378 | return self._getby(context, mapping, min) |
|
381 | return self._getby(context, mapping, min) | |
379 |
|
382 | |||
380 | def getmax(self, context, mapping): |
|
383 | def getmax(self, context, mapping): | |
381 | return self._getby(context, mapping, max) |
|
384 | return self._getby(context, mapping, max) | |
382 |
|
385 | |||
383 | def _getby(self, context, mapping, func): |
|
386 | def _getby(self, context, mapping, func): | |
384 | xs = self.tovalue(context, mapping) |
|
387 | xs = self.tovalue(context, mapping) | |
385 | if not xs: |
|
388 | if not xs: | |
386 | raise error.ParseError(_('empty sequence')) |
|
389 | raise error.ParseError(_('empty sequence')) | |
387 | return func(xs) |
|
390 | return func(xs) | |
388 |
|
391 | |||
389 | def itermaps(self, context): |
|
392 | def itermaps(self, context): | |
390 | raise error.ParseError(_('list of strings is not mappable')) |
|
393 | raise error.ParseError(_('list of strings is not mappable')) | |
391 |
|
394 | |||
392 | def join(self, context, mapping, sep): |
|
395 | def join(self, context, mapping, sep): | |
393 | return joinitems(self._gen(context), sep) |
|
396 | return joinitems(self._gen(context), sep) | |
394 |
|
397 | |||
395 | def show(self, context, mapping): |
|
398 | def show(self, context, mapping): | |
396 | return self.join(context, mapping, '') |
|
399 | return self.join(context, mapping, '') | |
397 |
|
400 | |||
398 | def tovalue(self, context, mapping): |
|
401 | def tovalue(self, context, mapping): | |
399 | return [stringify(context, mapping, x) for x in self._gen(context)] |
|
402 | return [stringify(context, mapping, x) for x in self._gen(context)] | |
400 |
|
403 | |||
401 | def hybriddict(data, key='key', value='value', fmt=None, gen=None): |
|
404 | def hybriddict(data, key='key', value='value', fmt=None, gen=None): | |
402 | """Wrap data to support both dict-like and string-like operations""" |
|
405 | """Wrap data to support both dict-like and string-like operations""" | |
403 | prefmt = pycompat.identity |
|
406 | prefmt = pycompat.identity | |
404 | if fmt is None: |
|
407 | if fmt is None: | |
405 | fmt = '%s=%s' |
|
408 | fmt = '%s=%s' | |
406 | prefmt = pycompat.bytestr |
|
409 | prefmt = pycompat.bytestr | |
407 | return hybrid(gen, data, lambda k: {key: k, value: data[k]}, |
|
410 | return hybrid(gen, data, lambda k: {key: k, value: data[k]}, | |
408 | lambda k: fmt % (prefmt(k), prefmt(data[k]))) |
|
411 | lambda k: fmt % (prefmt(k), prefmt(data[k]))) | |
409 |
|
412 | |||
410 | def hybridlist(data, name, fmt=None, gen=None): |
|
413 | def hybridlist(data, name, fmt=None, gen=None): | |
411 | """Wrap data to support both list-like and string-like operations""" |
|
414 | """Wrap data to support both list-like and string-like operations""" | |
412 | prefmt = pycompat.identity |
|
415 | prefmt = pycompat.identity | |
413 | if fmt is None: |
|
416 | if fmt is None: | |
414 | fmt = '%s' |
|
417 | fmt = '%s' | |
415 | prefmt = pycompat.bytestr |
|
418 | prefmt = pycompat.bytestr | |
416 | return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x)) |
|
419 | return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x)) | |
417 |
|
420 | |||
418 | def unwraphybrid(context, mapping, thing): |
|
421 | def unwraphybrid(context, mapping, thing): | |
419 | """Return an object which can be stringified possibly by using a legacy |
|
422 | """Return an object which can be stringified possibly by using a legacy | |
420 | template""" |
|
423 | template""" | |
421 | if not isinstance(thing, wrapped): |
|
424 | if not isinstance(thing, wrapped): | |
422 | return thing |
|
425 | return thing | |
423 | return thing.show(context, mapping) |
|
426 | return thing.show(context, mapping) | |
424 |
|
427 | |||
425 | def wraphybridvalue(container, key, value): |
|
|||
426 | """Wrap an element of hybrid container to be mappable |
|
|||
427 |
|
||||
428 | The key is passed to the makemap function of the given container, which |
|
|||
429 | should be an item generated by iter(container). |
|
|||
430 | """ |
|
|||
431 | makemap = getattr(container, '_makemap', None) |
|
|||
432 | if makemap is None: |
|
|||
433 | return value |
|
|||
434 | if util.safehasattr(value, '_makemap'): |
|
|||
435 | # a nested hybrid list/dict, which has its own way of map operation |
|
|||
436 | return value |
|
|||
437 | return mappable(None, key, value, makemap) |
|
|||
438 |
|
||||
439 | def compatdict(context, mapping, name, data, key='key', value='value', |
|
428 | def compatdict(context, mapping, name, data, key='key', value='value', | |
440 | fmt=None, plural=None, separator=' '): |
|
429 | fmt=None, plural=None, separator=' '): | |
441 | """Wrap data like hybriddict(), but also supports old-style list template |
|
430 | """Wrap data like hybriddict(), but also supports old-style list template | |
442 |
|
431 | |||
443 | This exists for backward compatibility with the old-style template. Use |
|
432 | This exists for backward compatibility with the old-style template. Use | |
444 | hybriddict() for new template keywords. |
|
433 | hybriddict() for new template keywords. | |
445 | """ |
|
434 | """ | |
446 | c = [{key: k, value: v} for k, v in data.iteritems()] |
|
435 | c = [{key: k, value: v} for k, v in data.iteritems()] | |
447 | f = _showcompatlist(context, mapping, name, c, plural, separator) |
|
436 | f = _showcompatlist(context, mapping, name, c, plural, separator) | |
448 | return hybriddict(data, key=key, value=value, fmt=fmt, gen=f) |
|
437 | return hybriddict(data, key=key, value=value, fmt=fmt, gen=f) | |
449 |
|
438 | |||
450 | def compatlist(context, mapping, name, data, element=None, fmt=None, |
|
439 | def compatlist(context, mapping, name, data, element=None, fmt=None, | |
451 | plural=None, separator=' '): |
|
440 | plural=None, separator=' '): | |
452 | """Wrap data like hybridlist(), but also supports old-style list template |
|
441 | """Wrap data like hybridlist(), but also supports old-style list template | |
453 |
|
442 | |||
454 | This exists for backward compatibility with the old-style template. Use |
|
443 | This exists for backward compatibility with the old-style template. Use | |
455 | hybridlist() for new template keywords. |
|
444 | hybridlist() for new template keywords. | |
456 | """ |
|
445 | """ | |
457 | f = _showcompatlist(context, mapping, name, data, plural, separator) |
|
446 | f = _showcompatlist(context, mapping, name, data, plural, separator) | |
458 | return hybridlist(data, name=element or name, fmt=fmt, gen=f) |
|
447 | return hybridlist(data, name=element or name, fmt=fmt, gen=f) | |
459 |
|
448 | |||
460 | def _showcompatlist(context, mapping, name, values, plural=None, separator=' '): |
|
449 | def _showcompatlist(context, mapping, name, values, plural=None, separator=' '): | |
461 | """Return a generator that renders old-style list template |
|
450 | """Return a generator that renders old-style list template | |
462 |
|
451 | |||
463 | name is name of key in template map. |
|
452 | name is name of key in template map. | |
464 | values is list of strings or dicts. |
|
453 | values is list of strings or dicts. | |
465 | plural is plural of name, if not simply name + 's'. |
|
454 | plural is plural of name, if not simply name + 's'. | |
466 | separator is used to join values as a string |
|
455 | separator is used to join values as a string | |
467 |
|
456 | |||
468 | expansion works like this, given name 'foo'. |
|
457 | expansion works like this, given name 'foo'. | |
469 |
|
458 | |||
470 | if values is empty, expand 'no_foos'. |
|
459 | if values is empty, expand 'no_foos'. | |
471 |
|
460 | |||
472 | if 'foo' not in template map, return values as a string, |
|
461 | if 'foo' not in template map, return values as a string, | |
473 | joined by 'separator'. |
|
462 | joined by 'separator'. | |
474 |
|
463 | |||
475 | expand 'start_foos'. |
|
464 | expand 'start_foos'. | |
476 |
|
465 | |||
477 | for each value, expand 'foo'. if 'last_foo' in template |
|
466 | for each value, expand 'foo'. if 'last_foo' in template | |
478 | map, expand it instead of 'foo' for last key. |
|
467 | map, expand it instead of 'foo' for last key. | |
479 |
|
468 | |||
480 | expand 'end_foos'. |
|
469 | expand 'end_foos'. | |
481 | """ |
|
470 | """ | |
482 | if not plural: |
|
471 | if not plural: | |
483 | plural = name + 's' |
|
472 | plural = name + 's' | |
484 | if not values: |
|
473 | if not values: | |
485 | noname = 'no_' + plural |
|
474 | noname = 'no_' + plural | |
486 | if context.preload(noname): |
|
475 | if context.preload(noname): | |
487 | yield context.process(noname, mapping) |
|
476 | yield context.process(noname, mapping) | |
488 | return |
|
477 | return | |
489 | if not context.preload(name): |
|
478 | if not context.preload(name): | |
490 | if isinstance(values[0], bytes): |
|
479 | if isinstance(values[0], bytes): | |
491 | yield separator.join(values) |
|
480 | yield separator.join(values) | |
492 | else: |
|
481 | else: | |
493 | for v in values: |
|
482 | for v in values: | |
494 | r = dict(v) |
|
483 | r = dict(v) | |
495 | r.update(mapping) |
|
484 | r.update(mapping) | |
496 | yield r |
|
485 | yield r | |
497 | return |
|
486 | return | |
498 | startname = 'start_' + plural |
|
487 | startname = 'start_' + plural | |
499 | if context.preload(startname): |
|
488 | if context.preload(startname): | |
500 | yield context.process(startname, mapping) |
|
489 | yield context.process(startname, mapping) | |
501 | def one(v, tag=name): |
|
490 | def one(v, tag=name): | |
502 | vmapping = {} |
|
491 | vmapping = {} | |
503 | try: |
|
492 | try: | |
504 | vmapping.update(v) |
|
493 | vmapping.update(v) | |
505 | # Python 2 raises ValueError if the type of v is wrong. Python |
|
494 | # Python 2 raises ValueError if the type of v is wrong. Python | |
506 | # 3 raises TypeError. |
|
495 | # 3 raises TypeError. | |
507 | except (AttributeError, TypeError, ValueError): |
|
496 | except (AttributeError, TypeError, ValueError): | |
508 | try: |
|
497 | try: | |
509 | # Python 2 raises ValueError trying to destructure an e.g. |
|
498 | # Python 2 raises ValueError trying to destructure an e.g. | |
510 | # bytes. Python 3 raises TypeError. |
|
499 | # bytes. Python 3 raises TypeError. | |
511 | for a, b in v: |
|
500 | for a, b in v: | |
512 | vmapping[a] = b |
|
501 | vmapping[a] = b | |
513 | except (TypeError, ValueError): |
|
502 | except (TypeError, ValueError): | |
514 | vmapping[name] = v |
|
503 | vmapping[name] = v | |
515 | vmapping = context.overlaymap(mapping, vmapping) |
|
504 | vmapping = context.overlaymap(mapping, vmapping) | |
516 | return context.process(tag, vmapping) |
|
505 | return context.process(tag, vmapping) | |
517 | lastname = 'last_' + name |
|
506 | lastname = 'last_' + name | |
518 | if context.preload(lastname): |
|
507 | if context.preload(lastname): | |
519 | last = values.pop() |
|
508 | last = values.pop() | |
520 | else: |
|
509 | else: | |
521 | last = None |
|
510 | last = None | |
522 | for v in values: |
|
511 | for v in values: | |
523 | yield one(v) |
|
512 | yield one(v) | |
524 | if last is not None: |
|
513 | if last is not None: | |
525 | yield one(last, tag=lastname) |
|
514 | yield one(last, tag=lastname) | |
526 | endname = 'end_' + plural |
|
515 | endname = 'end_' + plural | |
527 | if context.preload(endname): |
|
516 | if context.preload(endname): | |
528 | yield context.process(endname, mapping) |
|
517 | yield context.process(endname, mapping) | |
529 |
|
518 | |||
530 | def flatten(context, mapping, thing): |
|
519 | def flatten(context, mapping, thing): | |
531 | """Yield a single stream from a possibly nested set of iterators""" |
|
520 | """Yield a single stream from a possibly nested set of iterators""" | |
532 | thing = unwraphybrid(context, mapping, thing) |
|
521 | thing = unwraphybrid(context, mapping, thing) | |
533 | if isinstance(thing, bytes): |
|
522 | if isinstance(thing, bytes): | |
534 | yield thing |
|
523 | yield thing | |
535 | elif isinstance(thing, str): |
|
524 | elif isinstance(thing, str): | |
536 | # We can only hit this on Python 3, and it's here to guard |
|
525 | # We can only hit this on Python 3, and it's here to guard | |
537 | # against infinite recursion. |
|
526 | # against infinite recursion. | |
538 | raise error.ProgrammingError('Mercurial IO including templates is done' |
|
527 | raise error.ProgrammingError('Mercurial IO including templates is done' | |
539 | ' with bytes, not strings, got %r' % thing) |
|
528 | ' with bytes, not strings, got %r' % thing) | |
540 | elif thing is None: |
|
529 | elif thing is None: | |
541 | pass |
|
530 | pass | |
542 | elif not util.safehasattr(thing, '__iter__'): |
|
531 | elif not util.safehasattr(thing, '__iter__'): | |
543 | yield pycompat.bytestr(thing) |
|
532 | yield pycompat.bytestr(thing) | |
544 | else: |
|
533 | else: | |
545 | for i in thing: |
|
534 | for i in thing: | |
546 | i = unwraphybrid(context, mapping, i) |
|
535 | i = unwraphybrid(context, mapping, i) | |
547 | if isinstance(i, bytes): |
|
536 | if isinstance(i, bytes): | |
548 | yield i |
|
537 | yield i | |
549 | elif i is None: |
|
538 | elif i is None: | |
550 | pass |
|
539 | pass | |
551 | elif not util.safehasattr(i, '__iter__'): |
|
540 | elif not util.safehasattr(i, '__iter__'): | |
552 | yield pycompat.bytestr(i) |
|
541 | yield pycompat.bytestr(i) | |
553 | else: |
|
542 | else: | |
554 | for j in flatten(context, mapping, i): |
|
543 | for j in flatten(context, mapping, i): | |
555 | yield j |
|
544 | yield j | |
556 |
|
545 | |||
557 | def stringify(context, mapping, thing): |
|
546 | def stringify(context, mapping, thing): | |
558 | """Turn values into bytes by converting into text and concatenating them""" |
|
547 | """Turn values into bytes by converting into text and concatenating them""" | |
559 | if isinstance(thing, bytes): |
|
548 | if isinstance(thing, bytes): | |
560 | return thing # retain localstr to be round-tripped |
|
549 | return thing # retain localstr to be round-tripped | |
561 | return b''.join(flatten(context, mapping, thing)) |
|
550 | return b''.join(flatten(context, mapping, thing)) | |
562 |
|
551 | |||
563 | def findsymbolicname(arg): |
|
552 | def findsymbolicname(arg): | |
564 | """Find symbolic name for the given compiled expression; returns None |
|
553 | """Find symbolic name for the given compiled expression; returns None | |
565 | if nothing found reliably""" |
|
554 | if nothing found reliably""" | |
566 | while True: |
|
555 | while True: | |
567 | func, data = arg |
|
556 | func, data = arg | |
568 | if func is runsymbol: |
|
557 | if func is runsymbol: | |
569 | return data |
|
558 | return data | |
570 | elif func is runfilter: |
|
559 | elif func is runfilter: | |
571 | arg = data[0] |
|
560 | arg = data[0] | |
572 | else: |
|
561 | else: | |
573 | return None |
|
562 | return None | |
574 |
|
563 | |||
575 | def _unthunk(context, mapping, thing): |
|
564 | def _unthunk(context, mapping, thing): | |
576 | """Evaluate a lazy byte string into value""" |
|
565 | """Evaluate a lazy byte string into value""" | |
577 | if not isinstance(thing, types.GeneratorType): |
|
566 | if not isinstance(thing, types.GeneratorType): | |
578 | return thing |
|
567 | return thing | |
579 | return stringify(context, mapping, thing) |
|
568 | return stringify(context, mapping, thing) | |
580 |
|
569 | |||
581 | def evalrawexp(context, mapping, arg): |
|
570 | def evalrawexp(context, mapping, arg): | |
582 | """Evaluate given argument as a bare template object which may require |
|
571 | """Evaluate given argument as a bare template object which may require | |
583 | further processing (such as folding generator of strings)""" |
|
572 | further processing (such as folding generator of strings)""" | |
584 | func, data = arg |
|
573 | func, data = arg | |
585 | return func(context, mapping, data) |
|
574 | return func(context, mapping, data) | |
586 |
|
575 | |||
587 | def evalwrapped(context, mapping, arg): |
|
576 | def evalwrapped(context, mapping, arg): | |
588 | """Evaluate given argument to wrapped object""" |
|
577 | """Evaluate given argument to wrapped object""" | |
589 | thing = evalrawexp(context, mapping, arg) |
|
578 | thing = evalrawexp(context, mapping, arg) | |
590 | return makewrapped(context, mapping, thing) |
|
579 | return makewrapped(context, mapping, thing) | |
591 |
|
580 | |||
592 | def makewrapped(context, mapping, thing): |
|
581 | def makewrapped(context, mapping, thing): | |
593 | """Lift object to a wrapped type""" |
|
582 | """Lift object to a wrapped type""" | |
594 | if isinstance(thing, wrapped): |
|
583 | if isinstance(thing, wrapped): | |
595 | return thing |
|
584 | return thing | |
596 | thing = _unthunk(context, mapping, thing) |
|
585 | thing = _unthunk(context, mapping, thing) | |
597 | if isinstance(thing, bytes): |
|
586 | if isinstance(thing, bytes): | |
598 | return wrappedbytes(thing) |
|
587 | return wrappedbytes(thing) | |
599 | return wrappedvalue(thing) |
|
588 | return wrappedvalue(thing) | |
600 |
|
589 | |||
601 | def evalfuncarg(context, mapping, arg): |
|
590 | def evalfuncarg(context, mapping, arg): | |
602 | """Evaluate given argument as value type""" |
|
591 | """Evaluate given argument as value type""" | |
603 | return unwrapvalue(context, mapping, evalrawexp(context, mapping, arg)) |
|
592 | return unwrapvalue(context, mapping, evalrawexp(context, mapping, arg)) | |
604 |
|
593 | |||
605 | def unwrapvalue(context, mapping, thing): |
|
594 | def unwrapvalue(context, mapping, thing): | |
606 | """Move the inner value object out of the wrapper""" |
|
595 | """Move the inner value object out of the wrapper""" | |
607 | if isinstance(thing, wrapped): |
|
596 | if isinstance(thing, wrapped): | |
608 | return thing.tovalue(context, mapping) |
|
597 | return thing.tovalue(context, mapping) | |
609 | # evalrawexp() may return string, generator of strings or arbitrary object |
|
598 | # evalrawexp() may return string, generator of strings or arbitrary object | |
610 | # such as date tuple, but filter does not want generator. |
|
599 | # such as date tuple, but filter does not want generator. | |
611 | return _unthunk(context, mapping, thing) |
|
600 | return _unthunk(context, mapping, thing) | |
612 |
|
601 | |||
613 | def evalboolean(context, mapping, arg): |
|
602 | def evalboolean(context, mapping, arg): | |
614 | """Evaluate given argument as boolean, but also takes boolean literals""" |
|
603 | """Evaluate given argument as boolean, but also takes boolean literals""" | |
615 | func, data = arg |
|
604 | func, data = arg | |
616 | if func is runsymbol: |
|
605 | if func is runsymbol: | |
617 | thing = func(context, mapping, data, default=None) |
|
606 | thing = func(context, mapping, data, default=None) | |
618 | if thing is None: |
|
607 | if thing is None: | |
619 | # not a template keyword, takes as a boolean literal |
|
608 | # not a template keyword, takes as a boolean literal | |
620 | thing = stringutil.parsebool(data) |
|
609 | thing = stringutil.parsebool(data) | |
621 | else: |
|
610 | else: | |
622 | thing = func(context, mapping, data) |
|
611 | thing = func(context, mapping, data) | |
623 | if isinstance(thing, wrapped): |
|
612 | if isinstance(thing, wrapped): | |
624 | thing = thing.tovalue(context, mapping) |
|
613 | thing = thing.tovalue(context, mapping) | |
625 | if isinstance(thing, bool): |
|
614 | if isinstance(thing, bool): | |
626 | return thing |
|
615 | return thing | |
627 | # other objects are evaluated as strings, which means 0 is True, but |
|
616 | # other objects are evaluated as strings, which means 0 is True, but | |
628 | # empty dict/list should be False as they are expected to be '' |
|
617 | # empty dict/list should be False as they are expected to be '' | |
629 | return bool(stringify(context, mapping, thing)) |
|
618 | return bool(stringify(context, mapping, thing)) | |
630 |
|
619 | |||
631 | def evaldate(context, mapping, arg, err=None): |
|
620 | def evaldate(context, mapping, arg, err=None): | |
632 | """Evaluate given argument as a date tuple or a date string; returns |
|
621 | """Evaluate given argument as a date tuple or a date string; returns | |
633 | a (unixtime, offset) tuple""" |
|
622 | a (unixtime, offset) tuple""" | |
634 | thing = evalrawexp(context, mapping, arg) |
|
623 | thing = evalrawexp(context, mapping, arg) | |
635 | return unwrapdate(context, mapping, thing, err) |
|
624 | return unwrapdate(context, mapping, thing, err) | |
636 |
|
625 | |||
637 | def unwrapdate(context, mapping, thing, err=None): |
|
626 | def unwrapdate(context, mapping, thing, err=None): | |
638 | thing = unwrapvalue(context, mapping, thing) |
|
627 | thing = unwrapvalue(context, mapping, thing) | |
639 | try: |
|
628 | try: | |
640 | return dateutil.parsedate(thing) |
|
629 | return dateutil.parsedate(thing) | |
641 | except AttributeError: |
|
630 | except AttributeError: | |
642 | raise error.ParseError(err or _('not a date tuple nor a string')) |
|
631 | raise error.ParseError(err or _('not a date tuple nor a string')) | |
643 | except error.ParseError: |
|
632 | except error.ParseError: | |
644 | if not err: |
|
633 | if not err: | |
645 | raise |
|
634 | raise | |
646 | raise error.ParseError(err) |
|
635 | raise error.ParseError(err) | |
647 |
|
636 | |||
648 | def evalinteger(context, mapping, arg, err=None): |
|
637 | def evalinteger(context, mapping, arg, err=None): | |
649 | thing = evalrawexp(context, mapping, arg) |
|
638 | thing = evalrawexp(context, mapping, arg) | |
650 | return unwrapinteger(context, mapping, thing, err) |
|
639 | return unwrapinteger(context, mapping, thing, err) | |
651 |
|
640 | |||
652 | def unwrapinteger(context, mapping, thing, err=None): |
|
641 | def unwrapinteger(context, mapping, thing, err=None): | |
653 | thing = unwrapvalue(context, mapping, thing) |
|
642 | thing = unwrapvalue(context, mapping, thing) | |
654 | try: |
|
643 | try: | |
655 | return int(thing) |
|
644 | return int(thing) | |
656 | except (TypeError, ValueError): |
|
645 | except (TypeError, ValueError): | |
657 | raise error.ParseError(err or _('not an integer')) |
|
646 | raise error.ParseError(err or _('not an integer')) | |
658 |
|
647 | |||
659 | def evalstring(context, mapping, arg): |
|
648 | def evalstring(context, mapping, arg): | |
660 | return stringify(context, mapping, evalrawexp(context, mapping, arg)) |
|
649 | return stringify(context, mapping, evalrawexp(context, mapping, arg)) | |
661 |
|
650 | |||
662 | def evalstringliteral(context, mapping, arg): |
|
651 | def evalstringliteral(context, mapping, arg): | |
663 | """Evaluate given argument as string template, but returns symbol name |
|
652 | """Evaluate given argument as string template, but returns symbol name | |
664 | if it is unknown""" |
|
653 | if it is unknown""" | |
665 | func, data = arg |
|
654 | func, data = arg | |
666 | if func is runsymbol: |
|
655 | if func is runsymbol: | |
667 | thing = func(context, mapping, data, default=data) |
|
656 | thing = func(context, mapping, data, default=data) | |
668 | else: |
|
657 | else: | |
669 | thing = func(context, mapping, data) |
|
658 | thing = func(context, mapping, data) | |
670 | return stringify(context, mapping, thing) |
|
659 | return stringify(context, mapping, thing) | |
671 |
|
660 | |||
672 | _unwrapfuncbytype = { |
|
661 | _unwrapfuncbytype = { | |
673 | None: unwrapvalue, |
|
662 | None: unwrapvalue, | |
674 | bytes: stringify, |
|
663 | bytes: stringify, | |
675 | date: unwrapdate, |
|
664 | date: unwrapdate, | |
676 | int: unwrapinteger, |
|
665 | int: unwrapinteger, | |
677 | } |
|
666 | } | |
678 |
|
667 | |||
679 | def unwrapastype(context, mapping, thing, typ): |
|
668 | def unwrapastype(context, mapping, thing, typ): | |
680 | """Move the inner value object out of the wrapper and coerce its type""" |
|
669 | """Move the inner value object out of the wrapper and coerce its type""" | |
681 | try: |
|
670 | try: | |
682 | f = _unwrapfuncbytype[typ] |
|
671 | f = _unwrapfuncbytype[typ] | |
683 | except KeyError: |
|
672 | except KeyError: | |
684 | raise error.ProgrammingError('invalid type specified: %r' % typ) |
|
673 | raise error.ProgrammingError('invalid type specified: %r' % typ) | |
685 | return f(context, mapping, thing) |
|
674 | return f(context, mapping, thing) | |
686 |
|
675 | |||
687 | def runinteger(context, mapping, data): |
|
676 | def runinteger(context, mapping, data): | |
688 | return int(data) |
|
677 | return int(data) | |
689 |
|
678 | |||
690 | def runstring(context, mapping, data): |
|
679 | def runstring(context, mapping, data): | |
691 | return data |
|
680 | return data | |
692 |
|
681 | |||
693 | def _recursivesymbolblocker(key): |
|
682 | def _recursivesymbolblocker(key): | |
694 | def showrecursion(**args): |
|
683 | def showrecursion(**args): | |
695 | raise error.Abort(_("recursive reference '%s' in template") % key) |
|
684 | raise error.Abort(_("recursive reference '%s' in template") % key) | |
696 | return showrecursion |
|
685 | return showrecursion | |
697 |
|
686 | |||
698 | def runsymbol(context, mapping, key, default=''): |
|
687 | def runsymbol(context, mapping, key, default=''): | |
699 | v = context.symbol(mapping, key) |
|
688 | v = context.symbol(mapping, key) | |
700 | if v is None: |
|
689 | if v is None: | |
701 | # put poison to cut recursion. we can't move this to parsing phase |
|
690 | # put poison to cut recursion. we can't move this to parsing phase | |
702 | # because "x = {x}" is allowed if "x" is a keyword. (issue4758) |
|
691 | # because "x = {x}" is allowed if "x" is a keyword. (issue4758) | |
703 | safemapping = mapping.copy() |
|
692 | safemapping = mapping.copy() | |
704 | safemapping[key] = _recursivesymbolblocker(key) |
|
693 | safemapping[key] = _recursivesymbolblocker(key) | |
705 | try: |
|
694 | try: | |
706 | v = context.process(key, safemapping) |
|
695 | v = context.process(key, safemapping) | |
707 | except TemplateNotFound: |
|
696 | except TemplateNotFound: | |
708 | v = default |
|
697 | v = default | |
709 | if callable(v) and getattr(v, '_requires', None) is None: |
|
698 | if callable(v) and getattr(v, '_requires', None) is None: | |
710 | # old templatekw: expand all keywords and resources |
|
699 | # old templatekw: expand all keywords and resources | |
711 | # (TODO: deprecate this after porting web template keywords to new API) |
|
700 | # (TODO: deprecate this after porting web template keywords to new API) | |
712 | props = {k: context._resources.lookup(context, mapping, k) |
|
701 | props = {k: context._resources.lookup(context, mapping, k) | |
713 | for k in context._resources.knownkeys()} |
|
702 | for k in context._resources.knownkeys()} | |
714 | # pass context to _showcompatlist() through templatekw._showlist() |
|
703 | # pass context to _showcompatlist() through templatekw._showlist() | |
715 | props['templ'] = context |
|
704 | props['templ'] = context | |
716 | props.update(mapping) |
|
705 | props.update(mapping) | |
717 | return v(**pycompat.strkwargs(props)) |
|
706 | return v(**pycompat.strkwargs(props)) | |
718 | if callable(v): |
|
707 | if callable(v): | |
719 | # new templatekw |
|
708 | # new templatekw | |
720 | try: |
|
709 | try: | |
721 | return v(context, mapping) |
|
710 | return v(context, mapping) | |
722 | except ResourceUnavailable: |
|
711 | except ResourceUnavailable: | |
723 | # unsupported keyword is mapped to empty just like unknown keyword |
|
712 | # unsupported keyword is mapped to empty just like unknown keyword | |
724 | return None |
|
713 | return None | |
725 | return v |
|
714 | return v | |
726 |
|
715 | |||
727 | def runtemplate(context, mapping, template): |
|
716 | def runtemplate(context, mapping, template): | |
728 | for arg in template: |
|
717 | for arg in template: | |
729 | yield evalrawexp(context, mapping, arg) |
|
718 | yield evalrawexp(context, mapping, arg) | |
730 |
|
719 | |||
731 | def runfilter(context, mapping, data): |
|
720 | def runfilter(context, mapping, data): | |
732 | arg, filt = data |
|
721 | arg, filt = data | |
733 | thing = evalrawexp(context, mapping, arg) |
|
722 | thing = evalrawexp(context, mapping, arg) | |
734 | intype = getattr(filt, '_intype', None) |
|
723 | intype = getattr(filt, '_intype', None) | |
735 | try: |
|
724 | try: | |
736 | thing = unwrapastype(context, mapping, thing, intype) |
|
725 | thing = unwrapastype(context, mapping, thing, intype) | |
737 | return filt(thing) |
|
726 | return filt(thing) | |
738 | except error.ParseError as e: |
|
727 | except error.ParseError as e: | |
739 | raise error.ParseError(bytes(e), hint=_formatfiltererror(arg, filt)) |
|
728 | raise error.ParseError(bytes(e), hint=_formatfiltererror(arg, filt)) | |
740 |
|
729 | |||
741 | def _formatfiltererror(arg, filt): |
|
730 | def _formatfiltererror(arg, filt): | |
742 | fn = pycompat.sysbytes(filt.__name__) |
|
731 | fn = pycompat.sysbytes(filt.__name__) | |
743 | sym = findsymbolicname(arg) |
|
732 | sym = findsymbolicname(arg) | |
744 | if not sym: |
|
733 | if not sym: | |
745 | return _("incompatible use of template filter '%s'") % fn |
|
734 | return _("incompatible use of template filter '%s'") % fn | |
746 | return (_("template filter '%s' is not compatible with keyword '%s'") |
|
735 | return (_("template filter '%s' is not compatible with keyword '%s'") | |
747 | % (fn, sym)) |
|
736 | % (fn, sym)) | |
748 |
|
737 | |||
749 | def _iteroverlaymaps(context, origmapping, newmappings): |
|
738 | def _iteroverlaymaps(context, origmapping, newmappings): | |
750 | """Generate combined mappings from the original mapping and an iterable |
|
739 | """Generate combined mappings from the original mapping and an iterable | |
751 | of partial mappings to override the original""" |
|
740 | of partial mappings to override the original""" | |
752 | for i, nm in enumerate(newmappings): |
|
741 | for i, nm in enumerate(newmappings): | |
753 | lm = context.overlaymap(origmapping, nm) |
|
742 | lm = context.overlaymap(origmapping, nm) | |
754 | lm['index'] = i |
|
743 | lm['index'] = i | |
755 | yield lm |
|
744 | yield lm | |
756 |
|
745 | |||
757 | def _applymap(context, mapping, d, targ): |
|
746 | def _applymap(context, mapping, d, targ): | |
758 | for lm in _iteroverlaymaps(context, mapping, d.itermaps(context)): |
|
747 | for lm in _iteroverlaymaps(context, mapping, d.itermaps(context)): | |
759 | yield evalrawexp(context, lm, targ) |
|
748 | yield evalrawexp(context, lm, targ) | |
760 |
|
749 | |||
761 | def runmap(context, mapping, data): |
|
750 | def runmap(context, mapping, data): | |
762 | darg, targ = data |
|
751 | darg, targ = data | |
763 | d = evalwrapped(context, mapping, darg) |
|
752 | d = evalwrapped(context, mapping, darg) | |
764 | return mappedgenerator(_applymap, args=(mapping, d, targ)) |
|
753 | return mappedgenerator(_applymap, args=(mapping, d, targ)) | |
765 |
|
754 | |||
766 | def runmember(context, mapping, data): |
|
755 | def runmember(context, mapping, data): | |
767 | darg, memb = data |
|
756 | darg, memb = data | |
768 | d = evalwrapped(context, mapping, darg) |
|
757 | d = evalwrapped(context, mapping, darg) | |
769 | if util.safehasattr(d, 'tomap'): |
|
758 | if util.safehasattr(d, 'tomap'): | |
770 | lm = context.overlaymap(mapping, d.tomap()) |
|
759 | lm = context.overlaymap(mapping, d.tomap()) | |
771 | return runsymbol(context, lm, memb) |
|
760 | return runsymbol(context, lm, memb) | |
772 | try: |
|
761 | try: | |
773 | return d.getmember(context, mapping, memb) |
|
762 | return d.getmember(context, mapping, memb) | |
774 | except error.ParseError as err: |
|
763 | except error.ParseError as err: | |
775 | sym = findsymbolicname(darg) |
|
764 | sym = findsymbolicname(darg) | |
776 | if not sym: |
|
765 | if not sym: | |
777 | raise |
|
766 | raise | |
778 | hint = _("keyword '%s' does not support member operation") % sym |
|
767 | hint = _("keyword '%s' does not support member operation") % sym | |
779 | raise error.ParseError(bytes(err), hint=hint) |
|
768 | raise error.ParseError(bytes(err), hint=hint) | |
780 |
|
769 | |||
781 | def runnegate(context, mapping, data): |
|
770 | def runnegate(context, mapping, data): | |
782 | data = evalinteger(context, mapping, data, |
|
771 | data = evalinteger(context, mapping, data, | |
783 | _('negation needs an integer argument')) |
|
772 | _('negation needs an integer argument')) | |
784 | return -data |
|
773 | return -data | |
785 |
|
774 | |||
786 | def runarithmetic(context, mapping, data): |
|
775 | def runarithmetic(context, mapping, data): | |
787 | func, left, right = data |
|
776 | func, left, right = data | |
788 | left = evalinteger(context, mapping, left, |
|
777 | left = evalinteger(context, mapping, left, | |
789 | _('arithmetic only defined on integers')) |
|
778 | _('arithmetic only defined on integers')) | |
790 | right = evalinteger(context, mapping, right, |
|
779 | right = evalinteger(context, mapping, right, | |
791 | _('arithmetic only defined on integers')) |
|
780 | _('arithmetic only defined on integers')) | |
792 | try: |
|
781 | try: | |
793 | return func(left, right) |
|
782 | return func(left, right) | |
794 | except ZeroDivisionError: |
|
783 | except ZeroDivisionError: | |
795 | raise error.Abort(_('division by zero is not defined')) |
|
784 | raise error.Abort(_('division by zero is not defined')) | |
796 |
|
785 | |||
797 | def joinitems(itemiter, sep): |
|
786 | def joinitems(itemiter, sep): | |
798 | """Join items with the separator; Returns generator of bytes""" |
|
787 | """Join items with the separator; Returns generator of bytes""" | |
799 | first = True |
|
788 | first = True | |
800 | for x in itemiter: |
|
789 | for x in itemiter: | |
801 | if first: |
|
790 | if first: | |
802 | first = False |
|
791 | first = False | |
803 | elif sep: |
|
792 | elif sep: | |
804 | yield sep |
|
793 | yield sep | |
805 | yield x |
|
794 | yield x |
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