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@@ -1,429 +1,482 b'' | |||||
1 | # encoding: utf-8 |
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1 | # encoding: utf-8 | |
2 | # -*- test-case-name: IPython.frontend.cocoa.tests.test_cocoa_frontend -*- |
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2 | # -*- test-case-name: IPython.frontend.cocoa.tests.test_cocoa_frontend -*- | |
3 |
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3 | |||
4 | """PyObjC classes to provide a Cocoa frontend to the |
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4 | """PyObjC classes to provide a Cocoa frontend to the | |
5 | IPython.kernel.engineservice.IEngineBase. |
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5 | IPython.kernel.engineservice.IEngineBase. | |
6 |
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6 | |||
7 | To add an IPython interpreter to a cocoa app, instantiate an |
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7 | To add an IPython interpreter to a cocoa app, instantiate an | |
8 | IPythonCocoaController in a XIB and connect its textView outlet to an |
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8 | IPythonCocoaController in a XIB and connect its textView outlet to an | |
9 | NSTextView instance in your UI. That's it. |
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9 | NSTextView instance in your UI. That's it. | |
10 |
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10 | |||
11 | Author: Barry Wark |
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11 | Author: Barry Wark | |
12 | """ |
|
12 | """ | |
13 |
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13 | |||
14 | __docformat__ = "restructuredtext en" |
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14 | __docformat__ = "restructuredtext en" | |
15 |
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15 | |||
16 | #----------------------------------------------------------------------------- |
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16 | #----------------------------------------------------------------------------- | |
17 | # Copyright (C) 2008 The IPython Development Team |
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17 | # Copyright (C) 2008 The IPython Development Team | |
18 | # |
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18 | # | |
19 | # Distributed under the terms of the BSD License. The full license is in |
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19 | # Distributed under the terms of the BSD License. The full license is in | |
20 | # the file COPYING, distributed as part of this software. |
|
20 | # the file COPYING, distributed as part of this software. | |
21 | #----------------------------------------------------------------------------- |
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21 | #----------------------------------------------------------------------------- | |
22 |
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22 | |||
23 | #----------------------------------------------------------------------------- |
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23 | #----------------------------------------------------------------------------- | |
24 | # Imports |
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24 | # Imports | |
25 | #----------------------------------------------------------------------------- |
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25 | #----------------------------------------------------------------------------- | |
26 |
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26 | |||
27 | import objc |
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27 | import objc | |
28 | import uuid |
|
28 | import uuid | |
29 |
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29 | |||
30 | from Foundation import NSObject, NSMutableArray, NSMutableDictionary,\ |
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30 | from Foundation import NSObject, NSMutableArray, NSMutableDictionary,\ | |
31 | NSLog, NSNotificationCenter, NSMakeRange,\ |
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31 | NSLog, NSNotificationCenter, NSMakeRange,\ | |
32 | NSLocalizedString, NSIntersectionRange |
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32 | NSLocalizedString, NSIntersectionRange,\ | |
|
33 | NSString, NSAutoreleasePool | |||
33 |
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34 | |||
34 | from AppKit import NSApplicationWillTerminateNotification, NSBeep,\ |
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35 | from AppKit import NSApplicationWillTerminateNotification, NSBeep,\ | |
35 | NSTextView, NSRulerView, NSVerticalRuler |
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36 | NSTextView, NSRulerView, NSVerticalRuler | |
36 |
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37 | |||
37 | from pprint import saferepr |
|
38 | from pprint import saferepr | |
38 |
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39 | |||
39 | import IPython |
|
40 | import IPython | |
40 | from IPython.kernel.engineservice import ThreadedEngineService |
|
41 | from IPython.kernel.engineservice import ThreadedEngineService | |
41 | from IPython.frontend.frontendbase import FrontEndBase |
|
42 | from IPython.frontend.frontendbase import FrontEndBase | |
42 |
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43 | |||
43 | from twisted.internet.threads import blockingCallFromThread |
|
44 | from twisted.internet.threads import blockingCallFromThread | |
44 | from twisted.python.failure import Failure |
|
45 | from twisted.python.failure import Failure | |
45 |
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46 | |||
46 | #------------------------------------------------------------------------------ |
|
47 | #------------------------------------------------------------------------------ | |
47 | # Classes to implement the Cocoa frontend |
|
48 | # Classes to implement the Cocoa frontend | |
48 | #------------------------------------------------------------------------------ |
|
49 | #------------------------------------------------------------------------------ | |
49 |
|
50 | |||
50 | # TODO: |
|
51 | # TODO: | |
51 | # 1. use MultiEngineClient and out-of-process engine rather than |
|
52 | # 1. use MultiEngineClient and out-of-process engine rather than | |
52 | # ThreadedEngineService? |
|
53 | # ThreadedEngineService? | |
53 | # 2. integrate Xgrid launching of engines |
|
54 | # 2. integrate Xgrid launching of engines | |
54 |
|
55 | |||
|
56 | class AutoreleasePoolWrappedThreadedEngineService(ThreadedEngineService): | |||
|
57 | """Wrap all blocks in an NSAutoreleasePool""" | |||
55 |
|
58 | |||
|
59 | def wrapped_execute(self, lines): | |||
|
60 | """wrapped_execute""" | |||
|
61 | ||||
|
62 | p = NSAutoreleasePool.alloc().init() | |||
|
63 | result = self.shell.execute(lines) | |||
|
64 | p.drain() | |||
|
65 | ||||
|
66 | return result | |||
|
67 | ||||
|
68 | def execute(self, lines): | |||
|
69 | # Only import this if we are going to use this class | |||
|
70 | from twisted.internet import threads | |||
|
71 | ||||
|
72 | msg = {'engineid':self.id, | |||
|
73 | 'method':'execute', | |||
|
74 | 'args':[lines]} | |||
|
75 | ||||
|
76 | d = threads.deferToThread(self.wrapped_execute, lines) | |||
|
77 | d.addCallback(self.addIDToResult) | |||
|
78 | return d | |||
56 |
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79 | |||
57 |
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80 | |||
58 | class IPythonCocoaController(NSObject, FrontEndBase): |
|
81 | class IPythonCocoaController(NSObject, FrontEndBase): | |
59 | userNS = objc.ivar() #mirror of engine.user_ns (key=>str(value)) |
|
82 | userNS = objc.ivar() #mirror of engine.user_ns (key=>str(value)) | |
60 | waitingForEngine = objc.ivar().bool() |
|
83 | waitingForEngine = objc.ivar().bool() | |
61 | textView = objc.IBOutlet() |
|
84 | textView = objc.IBOutlet() | |
62 |
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85 | |||
63 | def init(self): |
|
86 | def init(self): | |
64 | self = super(IPythonCocoaController, self).init() |
|
87 | self = super(IPythonCocoaController, self).init() | |
65 |
FrontEndBase.__init__(self, |
|
88 | FrontEndBase.__init__(self, | |
|
89 | engine=AutoreleasePoolWrappedThreadedEngineService()) | |||
66 | if(self != None): |
|
90 | if(self != None): | |
67 | self._common_init() |
|
91 | self._common_init() | |
68 |
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92 | |||
69 | return self |
|
93 | return self | |
70 |
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94 | |||
71 | def _common_init(self): |
|
95 | def _common_init(self): | |
72 | """_common_init""" |
|
96 | """_common_init""" | |
73 |
|
97 | |||
74 | self.userNS = NSMutableDictionary.dictionary() |
|
98 | self.userNS = NSMutableDictionary.dictionary() | |
75 | self.waitingForEngine = False |
|
99 | self.waitingForEngine = False | |
76 |
|
100 | |||
77 | self.lines = {} |
|
101 | self.lines = {} | |
78 | self.tabSpaces = 4 |
|
102 | self.tabSpaces = 4 | |
79 | self.tabUsesSpaces = True |
|
103 | self.tabUsesSpaces = True | |
80 | self.currentBlockID = self.next_block_ID() |
|
104 | self.currentBlockID = self.next_block_ID() | |
81 | self.blockRanges = {} # blockID=>NSRange |
|
105 | self.blockRanges = {} # blockID=>NSRange | |
82 |
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106 | |||
83 |
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107 | |||
84 | def awakeFromNib(self): |
|
108 | def awakeFromNib(self): | |
85 | """awakeFromNib""" |
|
109 | """awakeFromNib""" | |
86 |
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110 | |||
87 | self._common_init() |
|
111 | self._common_init() | |
88 |
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112 | |||
89 | # Start the IPython engine |
|
113 | # Start the IPython engine | |
90 | self.engine.startService() |
|
114 | self.engine.startService() | |
91 | NSLog('IPython engine started') |
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115 | NSLog('IPython engine started') | |
92 |
|
116 | |||
93 | # Register for app termination |
|
117 | # Register for app termination | |
94 | nc = NSNotificationCenter.defaultCenter() |
|
118 | nc = NSNotificationCenter.defaultCenter() | |
95 | nc.addObserver_selector_name_object_( |
|
119 | nc.addObserver_selector_name_object_( | |
96 | self, |
|
120 | self, | |
97 | 'appWillTerminate:', |
|
121 | 'appWillTerminate:', | |
98 | NSApplicationWillTerminateNotification, |
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122 | NSApplicationWillTerminateNotification, | |
99 | None) |
|
123 | None) | |
100 |
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124 | |||
101 | self.textView.setDelegate_(self) |
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125 | self.textView.setDelegate_(self) | |
102 | self.textView.enclosingScrollView().setHasVerticalRuler_(True) |
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126 | self.textView.enclosingScrollView().setHasVerticalRuler_(True) | |
103 | r = NSRulerView.alloc().initWithScrollView_orientation_( |
|
127 | r = NSRulerView.alloc().initWithScrollView_orientation_( | |
104 | self.textView.enclosingScrollView(), |
|
128 | self.textView.enclosingScrollView(), | |
105 | NSVerticalRuler) |
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129 | NSVerticalRuler) | |
106 | self.verticalRulerView = r |
|
130 | self.verticalRulerView = r | |
107 | self.verticalRulerView.setClientView_(self.textView) |
|
131 | self.verticalRulerView.setClientView_(self.textView) | |
108 | self._start_cli_banner() |
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132 | self._start_cli_banner() | |
109 |
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133 | |||
110 |
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134 | |||
111 | def appWillTerminate_(self, notification): |
|
135 | def appWillTerminate_(self, notification): | |
112 | """appWillTerminate""" |
|
136 | """appWillTerminate""" | |
113 |
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137 | |||
114 | self.engine.stopService() |
|
138 | self.engine.stopService() | |
115 |
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139 | |||
116 |
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140 | |||
117 | def complete(self, token): |
|
141 | def complete(self, token): | |
118 | """Complete token in engine's user_ns |
|
142 | """Complete token in engine's user_ns | |
119 |
|
143 | |||
120 | Parameters |
|
144 | Parameters | |
121 | ---------- |
|
145 | ---------- | |
122 | token : string |
|
146 | token : string | |
123 |
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147 | |||
124 | Result |
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148 | Result | |
125 | ------ |
|
149 | ------ | |
126 | Deferred result of |
|
150 | Deferred result of | |
127 | IPython.kernel.engineservice.IEngineBase.complete |
|
151 | IPython.kernel.engineservice.IEngineBase.complete | |
128 | """ |
|
152 | """ | |
129 |
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153 | |||
130 | return self.engine.complete(token) |
|
154 | return self.engine.complete(token) | |
131 |
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155 | |||
132 |
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156 | |||
133 | def execute(self, block, blockID=None): |
|
157 | def execute(self, block, blockID=None): | |
134 | self.waitingForEngine = True |
|
158 | self.waitingForEngine = True | |
135 | self.willChangeValueForKey_('commandHistory') |
|
159 | self.willChangeValueForKey_('commandHistory') | |
136 |
d = super(IPythonCocoaController, self).execute(block, |
|
160 | d = super(IPythonCocoaController, self).execute(block, | |
|
161 | blockID) | |||
137 | d.addBoth(self._engine_done) |
|
162 | d.addBoth(self._engine_done) | |
138 | d.addCallback(self._update_user_ns) |
|
163 | d.addCallback(self._update_user_ns) | |
139 |
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164 | |||
140 | return d |
|
165 | return d | |
141 |
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166 | |||
142 |
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167 | ||
|
168 | def push_(self, namespace): | |||
|
169 | """Push dictionary of key=>values to python namespace""" | |||
|
170 | ||||
|
171 | self.waitingForEngine = True | |||
|
172 | self.willChangeValueForKey_('commandHistory') | |||
|
173 | d = self.engine.push(namespace) | |||
|
174 | d.addBoth(self._engine_done) | |||
|
175 | d.addCallback(self._update_user_ns) | |||
|
176 | ||||
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177 | ||||
|
178 | def pull_(self, keys): | |||
|
179 | """Pull keys from python namespace""" | |||
|
180 | ||||
|
181 | self.waitingForEngine = True | |||
|
182 | result = blockingCallFromThread(self.engine.pull, keys) | |||
|
183 | self.waitingForEngine = False | |||
|
184 | ||||
|
185 | def executeFileAtPath_(self, path): | |||
|
186 | """Execute file at path in an empty namespace. Update the engine | |||
|
187 | user_ns with the resulting locals.""" | |||
|
188 | ||||
|
189 | lines,err = NSString.stringWithContentsOfFile_encoding_error_( | |||
|
190 | path, | |||
|
191 | NSString.defaultCStringEncoding(), | |||
|
192 | None) | |||
|
193 | self.engine.execute(lines) | |||
|
194 | ||||
|
195 | ||||
143 | def _engine_done(self, x): |
|
196 | def _engine_done(self, x): | |
144 | self.waitingForEngine = False |
|
197 | self.waitingForEngine = False | |
145 | self.didChangeValueForKey_('commandHistory') |
|
198 | self.didChangeValueForKey_('commandHistory') | |
146 | return x |
|
199 | return x | |
147 |
|
200 | |||
148 | def _update_user_ns(self, result): |
|
201 | def _update_user_ns(self, result): | |
149 | """Update self.userNS from self.engine's namespace""" |
|
202 | """Update self.userNS from self.engine's namespace""" | |
150 | d = self.engine.keys() |
|
203 | d = self.engine.keys() | |
151 | d.addCallback(self._get_engine_namespace_values_for_keys) |
|
204 | d.addCallback(self._get_engine_namespace_values_for_keys) | |
152 |
|
205 | |||
153 | return result |
|
206 | return result | |
154 |
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207 | |||
155 |
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208 | |||
156 | def _get_engine_namespace_values_for_keys(self, keys): |
|
209 | def _get_engine_namespace_values_for_keys(self, keys): | |
157 | d = self.engine.pull(keys) |
|
210 | d = self.engine.pull(keys) | |
158 | d.addCallback(self._store_engine_namespace_values, keys=keys) |
|
211 | d.addCallback(self._store_engine_namespace_values, keys=keys) | |
159 |
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212 | |||
160 |
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213 | |||
161 | def _store_engine_namespace_values(self, values, keys=[]): |
|
214 | def _store_engine_namespace_values(self, values, keys=[]): | |
162 | assert(len(values) == len(keys)) |
|
215 | assert(len(values) == len(keys)) | |
163 | self.willChangeValueForKey_('userNS') |
|
216 | self.willChangeValueForKey_('userNS') | |
164 | for (k,v) in zip(keys,values): |
|
217 | for (k,v) in zip(keys,values): | |
165 | self.userNS[k] = saferepr(v) |
|
218 | self.userNS[k] = saferepr(v) | |
166 | self.didChangeValueForKey_('userNS') |
|
219 | self.didChangeValueForKey_('userNS') | |
167 |
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220 | |||
168 |
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221 | |||
169 | def update_cell_prompt(self, result): |
|
222 | def update_cell_prompt(self, result, blockID=None): | |
170 | if(isinstance(result, Failure)): |
|
223 | if(isinstance(result, Failure)): | |
171 | blockID = result.blockID |
|
224 | self.insert_text(self.input_prompt(), | |
|
225 | textRange=NSMakeRange(self.blockRanges[blockID].location,0), | |||
|
226 | scrollToVisible=False | |||
|
227 | ) | |||
172 | else: |
|
228 | else: | |
173 | blockID = result['blockID'] |
|
229 | self.insert_text(self.input_prompt(number=result['number']), | |
174 |
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||||
175 |
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||||
176 | self.insert_text(self.input_prompt(result=result), |
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|||
177 | textRange=NSMakeRange(self.blockRanges[blockID].location,0), |
|
230 | textRange=NSMakeRange(self.blockRanges[blockID].location,0), | |
178 | scrollToVisible=False |
|
231 | scrollToVisible=False | |
179 | ) |
|
232 | ) | |
180 |
|
233 | |||
181 | return result |
|
234 | return result | |
182 |
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235 | |||
183 |
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236 | |||
184 | def render_result(self, result): |
|
237 | def render_result(self, result): | |
185 | blockID = result['blockID'] |
|
238 | blockID = result['blockID'] | |
186 | inputRange = self.blockRanges[blockID] |
|
239 | inputRange = self.blockRanges[blockID] | |
187 | del self.blockRanges[blockID] |
|
240 | del self.blockRanges[blockID] | |
188 |
|
241 | |||
189 | #print inputRange,self.current_block_range() |
|
242 | #print inputRange,self.current_block_range() | |
190 | self.insert_text('\n' + |
|
243 | self.insert_text('\n' + | |
191 | self.output_prompt(result) + |
|
244 | self.output_prompt(result) + | |
192 | result.get('display',{}).get('pprint','') + |
|
245 | result.get('display',{}).get('pprint','') + | |
193 | '\n\n', |
|
246 | '\n\n', | |
194 | textRange=NSMakeRange(inputRange.location+inputRange.length, |
|
247 | textRange=NSMakeRange(inputRange.location+inputRange.length, | |
195 | 0)) |
|
248 | 0)) | |
196 | return result |
|
249 | return result | |
197 |
|
250 | |||
198 |
|
251 | |||
199 | def render_error(self, failure): |
|
252 | def render_error(self, failure): | |
200 | self.insert_text('\n\n'+str(failure)+'\n\n') |
|
253 | self.insert_text('\n\n'+str(failure)+'\n\n') | |
201 | self.start_new_block() |
|
254 | self.start_new_block() | |
202 | return failure |
|
255 | return failure | |
203 |
|
256 | |||
204 |
|
257 | |||
205 | def _start_cli_banner(self): |
|
258 | def _start_cli_banner(self): | |
206 | """Print banner""" |
|
259 | """Print banner""" | |
207 |
|
260 | |||
208 | banner = """IPython1 %s -- An enhanced Interactive Python.""" % \ |
|
261 | banner = """IPython1 %s -- An enhanced Interactive Python.""" % \ | |
209 | IPython.__version__ |
|
262 | IPython.__version__ | |
210 |
|
263 | |||
211 | self.insert_text(banner + '\n\n') |
|
264 | self.insert_text(banner + '\n\n') | |
212 |
|
265 | |||
213 |
|
266 | |||
214 | def start_new_block(self): |
|
267 | def start_new_block(self): | |
215 | """""" |
|
268 | """""" | |
216 |
|
269 | |||
217 | self.currentBlockID = self.next_block_ID() |
|
270 | self.currentBlockID = self.next_block_ID() | |
218 |
|
271 | |||
219 |
|
272 | |||
220 |
|
273 | |||
221 | def next_block_ID(self): |
|
274 | def next_block_ID(self): | |
222 |
|
275 | |||
223 | return uuid.uuid4() |
|
276 | return uuid.uuid4() | |
224 |
|
277 | |||
225 | def current_block_range(self): |
|
278 | def current_block_range(self): | |
226 | return self.blockRanges.get(self.currentBlockID, |
|
279 | return self.blockRanges.get(self.currentBlockID, | |
227 | NSMakeRange(self.textView.textStorage().length(), |
|
280 | NSMakeRange(self.textView.textStorage().length(), | |
228 | 0)) |
|
281 | 0)) | |
229 |
|
282 | |||
230 | def current_block(self): |
|
283 | def current_block(self): | |
231 | """The current block's text""" |
|
284 | """The current block's text""" | |
232 |
|
285 | |||
233 | return self.text_for_range(self.current_block_range()) |
|
286 | return self.text_for_range(self.current_block_range()) | |
234 |
|
287 | |||
235 | def text_for_range(self, textRange): |
|
288 | def text_for_range(self, textRange): | |
236 | """text_for_range""" |
|
289 | """text_for_range""" | |
237 |
|
290 | |||
238 | ts = self.textView.textStorage() |
|
291 | ts = self.textView.textStorage() | |
239 | return ts.string().substringWithRange_(textRange) |
|
292 | return ts.string().substringWithRange_(textRange) | |
240 |
|
293 | |||
241 | def current_line(self): |
|
294 | def current_line(self): | |
242 | block = self.text_for_range(self.current_block_range()) |
|
295 | block = self.text_for_range(self.current_block_range()) | |
243 | block = block.split('\n') |
|
296 | block = block.split('\n') | |
244 | return block[-1] |
|
297 | return block[-1] | |
245 |
|
298 | |||
246 |
|
299 | |||
247 | def insert_text(self, string=None, textRange=None, scrollToVisible=True): |
|
300 | def insert_text(self, string=None, textRange=None, scrollToVisible=True): | |
248 | """Insert text into textView at textRange, updating blockRanges |
|
301 | """Insert text into textView at textRange, updating blockRanges | |
249 | as necessary |
|
302 | as necessary | |
250 | """ |
|
303 | """ | |
251 |
|
304 | |||
252 | if(textRange == None): |
|
305 | if(textRange == None): | |
253 | #range for end of text |
|
306 | #range for end of text | |
254 | textRange = NSMakeRange(self.textView.textStorage().length(), 0) |
|
307 | textRange = NSMakeRange(self.textView.textStorage().length(), 0) | |
255 |
|
308 | |||
256 | for r in self.blockRanges.itervalues(): |
|
309 | for r in self.blockRanges.itervalues(): | |
257 | intersection = NSIntersectionRange(r,textRange) |
|
310 | intersection = NSIntersectionRange(r,textRange) | |
258 | if(intersection.length == 0): #ranges don't intersect |
|
311 | if(intersection.length == 0): #ranges don't intersect | |
259 | if r.location >= textRange.location: |
|
312 | if r.location >= textRange.location: | |
260 | r.location += len(string) |
|
313 | r.location += len(string) | |
261 | else: #ranges intersect |
|
314 | else: #ranges intersect | |
262 | if(r.location <= textRange.location): |
|
315 | if(r.location <= textRange.location): | |
263 | assert(intersection.length == textRange.length) |
|
316 | assert(intersection.length == textRange.length) | |
264 | r.length += textRange.length |
|
317 | r.length += textRange.length | |
265 | else: |
|
318 | else: | |
266 | r.location += intersection.length |
|
319 | r.location += intersection.length | |
267 |
|
320 | |||
268 | self.textView.replaceCharactersInRange_withString_( |
|
321 | self.textView.replaceCharactersInRange_withString_( | |
269 | textRange, string) |
|
322 | textRange, string) | |
270 | self.textView.setSelectedRange_( |
|
323 | self.textView.setSelectedRange_( | |
271 | NSMakeRange(textRange.location+len(string), 0)) |
|
324 | NSMakeRange(textRange.location+len(string), 0)) | |
272 | if(scrollToVisible): |
|
325 | if(scrollToVisible): | |
273 | self.textView.scrollRangeToVisible_(textRange) |
|
326 | self.textView.scrollRangeToVisible_(textRange) | |
274 |
|
327 | |||
275 |
|
328 | |||
276 |
|
329 | |||
277 |
|
330 | |||
278 | def replace_current_block_with_string(self, textView, string): |
|
331 | def replace_current_block_with_string(self, textView, string): | |
279 | textView.replaceCharactersInRange_withString_( |
|
332 | textView.replaceCharactersInRange_withString_( | |
280 | self.current_block_range(), |
|
333 | self.current_block_range(), | |
281 | string) |
|
334 | string) | |
282 | self.current_block_range().length = len(string) |
|
335 | self.current_block_range().length = len(string) | |
283 | r = NSMakeRange(textView.textStorage().length(), 0) |
|
336 | r = NSMakeRange(textView.textStorage().length(), 0) | |
284 | textView.scrollRangeToVisible_(r) |
|
337 | textView.scrollRangeToVisible_(r) | |
285 | textView.setSelectedRange_(r) |
|
338 | textView.setSelectedRange_(r) | |
286 |
|
339 | |||
287 |
|
340 | |||
288 | def current_indent_string(self): |
|
341 | def current_indent_string(self): | |
289 | """returns string for indent or None if no indent""" |
|
342 | """returns string for indent or None if no indent""" | |
290 |
|
343 | |||
291 | return self._indent_for_block(self.current_block()) |
|
344 | return self._indent_for_block(self.current_block()) | |
292 |
|
345 | |||
293 |
|
346 | |||
294 | def _indent_for_block(self, block): |
|
347 | def _indent_for_block(self, block): | |
295 | lines = block.split('\n') |
|
348 | lines = block.split('\n') | |
296 | if(len(lines) > 1): |
|
349 | if(len(lines) > 1): | |
297 | currentIndent = len(lines[-1]) - len(lines[-1].lstrip()) |
|
350 | currentIndent = len(lines[-1]) - len(lines[-1].lstrip()) | |
298 | if(currentIndent == 0): |
|
351 | if(currentIndent == 0): | |
299 | currentIndent = self.tabSpaces |
|
352 | currentIndent = self.tabSpaces | |
300 |
|
353 | |||
301 | if(self.tabUsesSpaces): |
|
354 | if(self.tabUsesSpaces): | |
302 | result = ' ' * currentIndent |
|
355 | result = ' ' * currentIndent | |
303 | else: |
|
356 | else: | |
304 | result = '\t' * (currentIndent/self.tabSpaces) |
|
357 | result = '\t' * (currentIndent/self.tabSpaces) | |
305 | else: |
|
358 | else: | |
306 | result = None |
|
359 | result = None | |
307 |
|
360 | |||
308 | return result |
|
361 | return result | |
309 |
|
362 | |||
310 |
|
363 | |||
311 | # NSTextView delegate methods... |
|
364 | # NSTextView delegate methods... | |
312 | def textView_doCommandBySelector_(self, textView, selector): |
|
365 | def textView_doCommandBySelector_(self, textView, selector): | |
313 | assert(textView == self.textView) |
|
366 | assert(textView == self.textView) | |
314 | NSLog("textView_doCommandBySelector_: "+selector) |
|
367 | NSLog("textView_doCommandBySelector_: "+selector) | |
315 |
|
368 | |||
316 |
|
369 | |||
317 | if(selector == 'insertNewline:'): |
|
370 | if(selector == 'insertNewline:'): | |
318 | indent = self.current_indent_string() |
|
371 | indent = self.current_indent_string() | |
319 | if(indent): |
|
372 | if(indent): | |
320 | line = indent + self.current_line() |
|
373 | line = indent + self.current_line() | |
321 | else: |
|
374 | else: | |
322 | line = self.current_line() |
|
375 | line = self.current_line() | |
323 |
|
376 | |||
324 | if(self.is_complete(self.current_block())): |
|
377 | if(self.is_complete(self.current_block())): | |
325 | self.execute(self.current_block(), |
|
378 | self.execute(self.current_block(), | |
326 | blockID=self.currentBlockID) |
|
379 | blockID=self.currentBlockID) | |
327 | self.start_new_block() |
|
380 | self.start_new_block() | |
328 |
|
381 | |||
329 | return True |
|
382 | return True | |
330 |
|
383 | |||
331 | return False |
|
384 | return False | |
332 |
|
385 | |||
333 | elif(selector == 'moveUp:'): |
|
386 | elif(selector == 'moveUp:'): | |
334 | prevBlock = self.get_history_previous(self.current_block()) |
|
387 | prevBlock = self.get_history_previous(self.current_block()) | |
335 | if(prevBlock != None): |
|
388 | if(prevBlock != None): | |
336 | self.replace_current_block_with_string(textView, prevBlock) |
|
389 | self.replace_current_block_with_string(textView, prevBlock) | |
337 | else: |
|
390 | else: | |
338 | NSBeep() |
|
391 | NSBeep() | |
339 | return True |
|
392 | return True | |
340 |
|
393 | |||
341 | elif(selector == 'moveDown:'): |
|
394 | elif(selector == 'moveDown:'): | |
342 | nextBlock = self.get_history_next() |
|
395 | nextBlock = self.get_history_next() | |
343 | if(nextBlock != None): |
|
396 | if(nextBlock != None): | |
344 | self.replace_current_block_with_string(textView, nextBlock) |
|
397 | self.replace_current_block_with_string(textView, nextBlock) | |
345 | else: |
|
398 | else: | |
346 | NSBeep() |
|
399 | NSBeep() | |
347 | return True |
|
400 | return True | |
348 |
|
401 | |||
349 | elif(selector == 'moveToBeginningOfParagraph:'): |
|
402 | elif(selector == 'moveToBeginningOfParagraph:'): | |
350 | textView.setSelectedRange_(NSMakeRange( |
|
403 | textView.setSelectedRange_(NSMakeRange( | |
351 | self.current_block_range().location, |
|
404 | self.current_block_range().location, | |
352 | 0)) |
|
405 | 0)) | |
353 | return True |
|
406 | return True | |
354 | elif(selector == 'moveToEndOfParagraph:'): |
|
407 | elif(selector == 'moveToEndOfParagraph:'): | |
355 | textView.setSelectedRange_(NSMakeRange( |
|
408 | textView.setSelectedRange_(NSMakeRange( | |
356 | self.current_block_range().location + \ |
|
409 | self.current_block_range().location + \ | |
357 | self.current_block_range().length, 0)) |
|
410 | self.current_block_range().length, 0)) | |
358 | return True |
|
411 | return True | |
359 | elif(selector == 'deleteToEndOfParagraph:'): |
|
412 | elif(selector == 'deleteToEndOfParagraph:'): | |
360 | if(textView.selectedRange().location <= \ |
|
413 | if(textView.selectedRange().location <= \ | |
361 | self.current_block_range().location): |
|
414 | self.current_block_range().location): | |
362 | # Intersect the selected range with the current line range |
|
415 | # Intersect the selected range with the current line range | |
363 | if(self.current_block_range().length < 0): |
|
416 | if(self.current_block_range().length < 0): | |
364 | self.blockRanges[self.currentBlockID].length = 0 |
|
417 | self.blockRanges[self.currentBlockID].length = 0 | |
365 |
|
418 | |||
366 | r = NSIntersectionRange(textView.rangesForUserTextChange()[0], |
|
419 | r = NSIntersectionRange(textView.rangesForUserTextChange()[0], | |
367 | self.current_block_range()) |
|
420 | self.current_block_range()) | |
368 |
|
421 | |||
369 | if(r.length > 0): #no intersection |
|
422 | if(r.length > 0): #no intersection | |
370 | textView.setSelectedRange_(r) |
|
423 | textView.setSelectedRange_(r) | |
371 |
|
424 | |||
372 | return False # don't actually handle the delete |
|
425 | return False # don't actually handle the delete | |
373 |
|
426 | |||
374 | elif(selector == 'insertTab:'): |
|
427 | elif(selector == 'insertTab:'): | |
375 | if(len(self.current_line().strip()) == 0): #only white space |
|
428 | if(len(self.current_line().strip()) == 0): #only white space | |
376 | return False |
|
429 | return False | |
377 | else: |
|
430 | else: | |
378 | self.textView.complete_(self) |
|
431 | self.textView.complete_(self) | |
379 | return True |
|
432 | return True | |
380 |
|
433 | |||
381 | elif(selector == 'deleteBackward:'): |
|
434 | elif(selector == 'deleteBackward:'): | |
382 | #if we're at the beginning of the current block, ignore |
|
435 | #if we're at the beginning of the current block, ignore | |
383 | if(textView.selectedRange().location == \ |
|
436 | if(textView.selectedRange().location == \ | |
384 | self.current_block_range().location): |
|
437 | self.current_block_range().location): | |
385 | return True |
|
438 | return True | |
386 | else: |
|
439 | else: | |
387 | self.current_block_range().length-=1 |
|
440 | self.current_block_range().length-=1 | |
388 | return False |
|
441 | return False | |
389 | return False |
|
442 | return False | |
390 |
|
443 | |||
391 |
|
444 | |||
392 | def textView_shouldChangeTextInRanges_replacementStrings_(self, |
|
445 | def textView_shouldChangeTextInRanges_replacementStrings_(self, | |
393 | textView, ranges, replacementStrings): |
|
446 | textView, ranges, replacementStrings): | |
394 | """ |
|
447 | """ | |
395 | Delegate method for NSTextView. |
|
448 | Delegate method for NSTextView. | |
396 |
|
449 | |||
397 | Refuse change text in ranges not at end, but make those changes at |
|
450 | Refuse change text in ranges not at end, but make those changes at | |
398 | end. |
|
451 | end. | |
399 | """ |
|
452 | """ | |
400 |
|
453 | |||
401 | assert(len(ranges) == len(replacementStrings)) |
|
454 | assert(len(ranges) == len(replacementStrings)) | |
402 | allow = True |
|
455 | allow = True | |
403 | for r,s in zip(ranges, replacementStrings): |
|
456 | for r,s in zip(ranges, replacementStrings): | |
404 | r = r.rangeValue() |
|
457 | r = r.rangeValue() | |
405 | if(textView.textStorage().length() > 0 and |
|
458 | if(textView.textStorage().length() > 0 and | |
406 | r.location < self.current_block_range().location): |
|
459 | r.location < self.current_block_range().location): | |
407 | self.insert_text(s) |
|
460 | self.insert_text(s) | |
408 | allow = False |
|
461 | allow = False | |
409 |
|
462 | |||
410 |
|
463 | |||
411 | self.blockRanges.setdefault(self.currentBlockID, |
|
464 | self.blockRanges.setdefault(self.currentBlockID, | |
412 | self.current_block_range()).length +=\ |
|
465 | self.current_block_range()).length +=\ | |
413 | len(s) |
|
466 | len(s) | |
414 |
|
467 | |||
415 | return allow |
|
468 | return allow | |
416 |
|
469 | |||
417 | def textView_completions_forPartialWordRange_indexOfSelectedItem_(self, |
|
470 | def textView_completions_forPartialWordRange_indexOfSelectedItem_(self, | |
418 | textView, words, charRange, index): |
|
471 | textView, words, charRange, index): | |
419 | try: |
|
472 | try: | |
420 | ts = textView.textStorage() |
|
473 | ts = textView.textStorage() | |
421 | token = ts.string().substringWithRange_(charRange) |
|
474 | token = ts.string().substringWithRange_(charRange) | |
422 | completions = blockingCallFromThread(self.complete, token) |
|
475 | completions = blockingCallFromThread(self.complete, token) | |
423 | except: |
|
476 | except: | |
424 | completions = objc.nil |
|
477 | completions = objc.nil | |
425 | NSBeep() |
|
478 | NSBeep() | |
426 |
|
479 | |||
427 | return (completions,0) |
|
480 | return (completions,0) | |
428 |
|
481 | |||
429 |
|
482 |
@@ -1,5 +1,6 b'' | |||||
1 | include ./plugins.mk |
|
1 | include ./plugins.mk | |
2 |
|
2 | |||
3 | all : dist/IPythonCocoaController.plugin |
|
3 | all : dist/IPythonCocoaController.plugin | |
4 |
|
4 | |||
5 |
dist/IPythonCocoaController.plugin : ./FrontendLoader.py |
|
5 | dist/IPythonCocoaController.plugin : ./IPythonCocoaFrontendLoader.py\ | |
|
6 | ./setup.py No newline at end of file |
@@ -1,22 +1,21 b'' | |||||
1 | %.plugin:: |
|
1 | %.plugin:: | |
2 | mkdir -p plugin |
|
|||
3 | rm -rf dist/$(notdir $@) |
|
2 | rm -rf dist/$(notdir $@) | |
4 | rm -rf build dist && \ |
|
3 | rm -rf build dist && \ | |
5 | python setup.py py2app -s |
|
4 | python setup.py py2app -s | |
6 |
|
5 | |||
7 | %.py: |
|
6 | %.py: | |
8 | @echo "test -f $@" |
|
7 | @echo "test -f $@" | |
9 | @test -f %@ |
|
8 | @test -f %@ | |
10 |
|
9 | |||
11 | %.nib: |
|
10 | %.nib: | |
12 | @echo "test -f $@" |
|
11 | @echo "test -f $@" | |
13 | @test -f %@ |
|
12 | @test -f %@ | |
14 |
|
13 | |||
15 | .DEFAULT_GOAL := all |
|
14 | .DEFAULT_GOAL := all | |
16 |
|
15 | |||
17 | .PHONY : all clean |
|
16 | .PHONY : all clean | |
18 |
|
17 | |||
19 | clean : |
|
18 | clean : | |
20 | rm -rf build dist |
|
19 | rm -rf build dist | |
21 |
|
20 | |||
22 |
|
21 |
@@ -1,34 +1,34 b'' | |||||
1 | # encoding: utf-8 |
|
1 | # encoding: utf-8 | |
2 | """ |
|
2 | """ | |
3 | setup.py |
|
3 | setup.py | |
4 |
|
4 | |||
5 | Setuptools installer script for generating a Cocoa plugin for the |
|
5 | Setuptools installer script for generating a Cocoa plugin for the | |
6 | IPython cocoa frontend |
|
6 | IPython cocoa frontend | |
7 |
|
7 | |||
8 | Author: Barry Wark |
|
8 | Author: Barry Wark | |
9 | """ |
|
9 | """ | |
10 | __docformat__ = "restructuredtext en" |
|
10 | __docformat__ = "restructuredtext en" | |
11 |
|
11 | |||
12 | #----------------------------------------------------------------------------- |
|
12 | #----------------------------------------------------------------------------- | |
13 | # Copyright (C) 2008 The IPython Development Team |
|
13 | # Copyright (C) 2008 The IPython Development Team | |
14 | # |
|
14 | # | |
15 | # Distributed under the terms of the BSD License. The full license is in |
|
15 | # Distributed under the terms of the BSD License. The full license is in | |
16 | # the file COPYING, distributed as part of this software. |
|
16 | # the file COPYING, distributed as part of this software. | |
17 | #----------------------------------------------------------------------------- |
|
17 | #----------------------------------------------------------------------------- | |
18 |
|
18 | |||
19 | from setuptools import setup |
|
19 | from setuptools import setup | |
20 |
|
20 | |||
21 | infoPlist = dict( |
|
21 | infoPlist = dict( | |
22 | CFBundleDevelopmentRegion='English', |
|
22 | CFBundleDevelopmentRegion='English', | |
23 | CFBundleIdentifier='org.scipy.ipython.cocoa_frontend', |
|
23 | CFBundleIdentifier='org.scipy.ipython.cocoa_frontend', | |
24 | NSPrincipalClass='IPythonCocoaController', |
|
24 | NSPrincipalClass='IPythonCocoaController', | |
25 | ) |
|
25 | ) | |
26 |
|
26 | |||
27 | setup( |
|
27 | setup( | |
28 | plugin=['FrontendLoader.py'], |
|
28 | plugin=['IPythonCocoaFrontendLoader.py'], | |
29 | setup_requires=['py2app'], |
|
29 | setup_requires=['py2app'], | |
30 | options=dict(py2app=dict( |
|
30 | options=dict(py2app=dict( | |
31 | plist=infoPlist, |
|
31 | plist=infoPlist, | |
32 | excludes=['IPython'] |
|
32 | excludes=['IPython','twisted'] | |
33 | )), |
|
33 | )), | |
34 | ) No newline at end of file |
|
34 | ) |
@@ -1,352 +1,349 b'' | |||||
1 | # encoding: utf-8 |
|
1 | # encoding: utf-8 | |
2 | # -*- test-case-name: IPython.frontend.tests.test_frontendbase -*- |
|
2 | # -*- test-case-name: IPython.frontend.tests.test_frontendbase -*- | |
3 | """ |
|
3 | """ | |
4 | frontendbase provides an interface and base class for GUI frontends for |
|
4 | frontendbase provides an interface and base class for GUI frontends for | |
5 | IPython.kernel/IPython.kernel.core. |
|
5 | IPython.kernel/IPython.kernel.core. | |
6 |
|
6 | |||
7 | Frontend implementations will likely want to subclass FrontEndBase. |
|
7 | Frontend implementations will likely want to subclass FrontEndBase. | |
8 |
|
8 | |||
9 | Author: Barry Wark |
|
9 | Author: Barry Wark | |
10 | """ |
|
10 | """ | |
11 | __docformat__ = "restructuredtext en" |
|
11 | __docformat__ = "restructuredtext en" | |
12 |
|
12 | |||
13 | #------------------------------------------------------------------------------- |
|
13 | #------------------------------------------------------------------------------- | |
14 | # Copyright (C) 2008 The IPython Development Team |
|
14 | # Copyright (C) 2008 The IPython Development Team | |
15 | # |
|
15 | # | |
16 | # Distributed under the terms of the BSD License. The full license is in |
|
16 | # Distributed under the terms of the BSD License. The full license is in | |
17 | # the file COPYING, distributed as part of this software. |
|
17 | # the file COPYING, distributed as part of this software. | |
18 | #------------------------------------------------------------------------------- |
|
18 | #------------------------------------------------------------------------------- | |
19 |
|
19 | |||
20 | #------------------------------------------------------------------------------- |
|
20 | #------------------------------------------------------------------------------- | |
21 | # Imports |
|
21 | # Imports | |
22 | #------------------------------------------------------------------------------- |
|
22 | #------------------------------------------------------------------------------- | |
23 | import string |
|
23 | import string | |
24 | import uuid |
|
24 | import uuid | |
25 | import _ast |
|
25 | import _ast | |
26 |
|
26 | |||
27 | import zope.interface as zi |
|
27 | import zope.interface as zi | |
28 |
|
28 | |||
29 | from IPython.kernel.core.history import FrontEndHistory |
|
29 | from IPython.kernel.core.history import FrontEndHistory | |
30 | from IPython.kernel.core.util import Bunch |
|
30 | from IPython.kernel.core.util import Bunch | |
31 | from IPython.kernel.engineservice import IEngineCore |
|
31 | from IPython.kernel.engineservice import IEngineCore | |
32 |
|
32 | |||
33 | from twisted.python.failure import Failure |
|
33 | from twisted.python.failure import Failure | |
34 |
|
34 | |||
35 | ############################################################################## |
|
35 | ############################################################################## | |
36 | # TEMPORARY!!! fake configuration, while we decide whether to use tconfig or |
|
36 | # TEMPORARY!!! fake configuration, while we decide whether to use tconfig or | |
37 | # not |
|
37 | # not | |
38 |
|
38 | |||
39 | rc = Bunch() |
|
39 | rc = Bunch() | |
40 | rc.prompt_in1 = r'In [$number]: ' |
|
40 | rc.prompt_in1 = r'In [$number]: ' | |
41 | rc.prompt_in2 = r'...' |
|
41 | rc.prompt_in2 = r'...' | |
42 | rc.prompt_out = r'Out [$number]: ' |
|
42 | rc.prompt_out = r'Out [$number]: ' | |
43 |
|
43 | |||
44 | ############################################################################## |
|
44 | ############################################################################## | |
45 |
|
45 | |||
46 | class IFrontEndFactory(zi.Interface): |
|
46 | class IFrontEndFactory(zi.Interface): | |
47 | """Factory interface for frontends.""" |
|
47 | """Factory interface for frontends.""" | |
48 |
|
48 | |||
49 | def __call__(engine=None, history=None): |
|
49 | def __call__(engine=None, history=None): | |
50 | """ |
|
50 | """ | |
51 | Parameters: |
|
51 | Parameters: | |
52 | interpreter : IPython.kernel.engineservice.IEngineCore |
|
52 | interpreter : IPython.kernel.engineservice.IEngineCore | |
53 | """ |
|
53 | """ | |
54 |
|
54 | |||
55 | pass |
|
55 | pass | |
56 |
|
56 | |||
57 |
|
57 | |||
58 |
|
58 | |||
59 | class IFrontEnd(zi.Interface): |
|
59 | class IFrontEnd(zi.Interface): | |
60 | """Interface for frontends. All methods return t.i.d.Deferred""" |
|
60 | """Interface for frontends. All methods return t.i.d.Deferred""" | |
61 |
|
61 | |||
62 | zi.Attribute("input_prompt_template", "string.Template instance\ |
|
62 | zi.Attribute("input_prompt_template", "string.Template instance\ | |
63 | substituteable with execute result.") |
|
63 | substituteable with execute result.") | |
64 | zi.Attribute("output_prompt_template", "string.Template instance\ |
|
64 | zi.Attribute("output_prompt_template", "string.Template instance\ | |
65 | substituteable with execute result.") |
|
65 | substituteable with execute result.") | |
66 | zi.Attribute("continuation_prompt_template", "string.Template instance\ |
|
66 | zi.Attribute("continuation_prompt_template", "string.Template instance\ | |
67 | substituteable with execute result.") |
|
67 | substituteable with execute result.") | |
68 |
|
68 | |||
69 |
def update_cell_prompt( |
|
69 | def update_cell_prompt(result, blockID=None): | |
70 | """Subclass may override to update the input prompt for a block. |
|
70 | """Subclass may override to update the input prompt for a block. | |
71 | Since this method will be called as a |
|
71 | Since this method will be called as a | |
72 | twisted.internet.defer.Deferred's callback, |
|
72 | twisted.internet.defer.Deferred's callback/errback, | |
73 | implementations should return result when finished. |
|
73 | implementations should return result when finished. | |
74 |
|
74 | |||
75 | NB: result is a failure if the execute returned a failre. |
|
75 | Result is a result dict in case of success, and a | |
76 | To get the blockID, you should do something like:: |
|
76 | twisted.python.util.failure.Failure in case of an error | |
77 | if(isinstance(result, twisted.python.failure.Failure)): |
|
|||
78 | blockID = result.blockID |
|
|||
79 | else: |
|
|||
80 | blockID = result['blockID'] |
|
|||
81 | """ |
|
77 | """ | |
82 |
|
78 | |||
83 | pass |
|
79 | pass | |
84 |
|
80 | |||
85 | def render_result(self, result): |
|
81 | ||
|
82 | def render_result(result): | |||
86 | """Render the result of an execute call. Implementors may choose the |
|
83 | """Render the result of an execute call. Implementors may choose the | |
87 | method of rendering. |
|
84 | method of rendering. | |
88 | For example, a notebook-style frontend might render a Chaco plot |
|
85 | For example, a notebook-style frontend might render a Chaco plot | |
89 | inline. |
|
86 | inline. | |
90 |
|
87 | |||
91 | Parameters: |
|
88 | Parameters: | |
92 | result : dict (result of IEngineBase.execute ) |
|
89 | result : dict (result of IEngineBase.execute ) | |
|
90 | blockID = result['blockID'] | |||
93 |
|
91 | |||
94 | Result: |
|
92 | Result: | |
95 | Output of frontend rendering |
|
93 | Output of frontend rendering | |
96 | """ |
|
94 | """ | |
97 |
|
95 | |||
98 | pass |
|
96 | pass | |
99 |
|
97 | |||
100 |
def render_error( |
|
98 | def render_error(failure): | |
101 | """Subclasses must override to render the failure. Since this method |
|
99 | """Subclasses must override to render the failure. Since this method | |
102 | ill be called as a twisted.internet.defer.Deferred's callback, |
|
100 | will be called as a twisted.internet.defer.Deferred's callback, | |
103 | implementations should return result when finished. |
|
101 | implementations should return result when finished. | |
|
102 | ||||
|
103 | blockID = failure.blockID | |||
104 | """ |
|
104 | """ | |
105 |
|
105 | |||
106 | pass |
|
106 | pass | |
107 |
|
107 | |||
108 |
|
108 | |||
109 |
def input_prompt( |
|
109 | def input_prompt(number=None): | |
110 | """Returns the input prompt by subsituting into |
|
110 | """Returns the input prompt by subsituting into | |
111 | self.input_prompt_template |
|
111 | self.input_prompt_template | |
112 | """ |
|
112 | """ | |
113 | pass |
|
113 | pass | |
114 |
|
114 | |||
115 |
def output_prompt(re |
|
115 | def output_prompt(number=None): | |
116 | """Returns the output prompt by subsituting into |
|
116 | """Returns the output prompt by subsituting into | |
117 | self.output_prompt_template |
|
117 | self.output_prompt_template | |
118 | """ |
|
118 | """ | |
119 |
|
119 | |||
120 | pass |
|
120 | pass | |
121 |
|
121 | |||
122 | def continuation_prompt(): |
|
122 | def continuation_prompt(): | |
123 | """Returns the continuation prompt by subsituting into |
|
123 | """Returns the continuation prompt by subsituting into | |
124 | self.continuation_prompt_template |
|
124 | self.continuation_prompt_template | |
125 | """ |
|
125 | """ | |
126 |
|
126 | |||
127 | pass |
|
127 | pass | |
128 |
|
128 | |||
129 | def is_complete(block): |
|
129 | def is_complete(block): | |
130 | """Returns True if block is complete, False otherwise.""" |
|
130 | """Returns True if block is complete, False otherwise.""" | |
131 |
|
131 | |||
132 | pass |
|
132 | pass | |
133 |
|
133 | |||
134 | def compile_ast(block): |
|
134 | def compile_ast(block): | |
135 | """Compiles block to an _ast.AST""" |
|
135 | """Compiles block to an _ast.AST""" | |
136 |
|
136 | |||
137 | pass |
|
137 | pass | |
138 |
|
138 | |||
139 |
|
139 | |||
140 | def get_history_previous(currentBlock): |
|
140 | def get_history_previous(currentBlock): | |
141 | """Returns the block previous in the history. Saves currentBlock if |
|
141 | """Returns the block previous in the history. Saves currentBlock if | |
142 | the history_cursor is currently at the end of the input history""" |
|
142 | the history_cursor is currently at the end of the input history""" | |
143 | pass |
|
143 | pass | |
144 |
|
144 | |||
145 | def get_history_next(): |
|
145 | def get_history_next(): | |
146 | """Returns the next block in the history.""" |
|
146 | """Returns the next block in the history.""" | |
147 |
|
147 | |||
148 | pass |
|
148 | pass | |
149 |
|
149 | |||
150 |
|
150 | |||
151 | class FrontEndBase(object): |
|
151 | class FrontEndBase(object): | |
152 | """ |
|
152 | """ | |
153 | FrontEndBase manages the state tasks for a CLI frontend: |
|
153 | FrontEndBase manages the state tasks for a CLI frontend: | |
154 | - Input and output history management |
|
154 | - Input and output history management | |
155 | - Input/continuation and output prompt generation |
|
155 | - Input/continuation and output prompt generation | |
156 |
|
156 | |||
157 | Some issues (due to possibly unavailable engine): |
|
157 | Some issues (due to possibly unavailable engine): | |
158 | - How do we get the current cell number for the engine? |
|
158 | - How do we get the current cell number for the engine? | |
159 | - How do we handle completions? |
|
159 | - How do we handle completions? | |
160 | """ |
|
160 | """ | |
161 |
|
161 | |||
162 | zi.implements(IFrontEnd) |
|
162 | zi.implements(IFrontEnd) | |
163 | zi.classProvides(IFrontEndFactory) |
|
163 | zi.classProvides(IFrontEndFactory) | |
164 |
|
164 | |||
165 | history_cursor = 0 |
|
165 | history_cursor = 0 | |
166 |
|
166 | |||
167 | current_indent_level = 0 |
|
167 | current_indent_level = 0 | |
168 |
|
168 | |||
169 |
|
169 | |||
170 | input_prompt_template = string.Template(rc.prompt_in1) |
|
170 | input_prompt_template = string.Template(rc.prompt_in1) | |
171 | output_prompt_template = string.Template(rc.prompt_out) |
|
171 | output_prompt_template = string.Template(rc.prompt_out) | |
172 | continuation_prompt_template = string.Template(rc.prompt_in2) |
|
172 | continuation_prompt_template = string.Template(rc.prompt_in2) | |
173 |
|
173 | |||
174 | def __init__(self, engine=None, history=None): |
|
174 | def __init__(self, engine=None, history=None): | |
175 | assert(engine==None or IEngineCore.providedBy(engine)) |
|
175 | assert(engine==None or IEngineCore.providedBy(engine)) | |
176 | self.engine = IEngineCore(engine) |
|
176 | self.engine = IEngineCore(engine) | |
177 | if history is None: |
|
177 | if history is None: | |
178 | self.history = FrontEndHistory(input_cache=['']) |
|
178 | self.history = FrontEndHistory(input_cache=['']) | |
179 | else: |
|
179 | else: | |
180 | self.history = history |
|
180 | self.history = history | |
181 |
|
181 | |||
182 |
|
182 | |||
183 |
def input_prompt(self, |
|
183 | def input_prompt(self, number=None): | |
184 | """Returns the current input prompt |
|
184 | """Returns the current input prompt | |
185 |
|
185 | |||
186 | It would be great to use ipython1.core.prompts.Prompt1 here |
|
186 | It would be great to use ipython1.core.prompts.Prompt1 here | |
187 | """ |
|
187 | """ | |
188 |
|
188 | return self.input_prompt_template.safe_substitute({'number':number}) | ||
189 | result.setdefault('number','') |
|
|||
190 |
|
||||
191 | return self.input_prompt_template.safe_substitute(result) |
|
|||
192 |
|
189 | |||
193 |
|
190 | |||
194 | def continuation_prompt(self): |
|
191 | def continuation_prompt(self): | |
195 | """Returns the current continuation prompt""" |
|
192 | """Returns the current continuation prompt""" | |
196 |
|
193 | |||
197 | return self.continuation_prompt_template.safe_substitute() |
|
194 | return self.continuation_prompt_template.safe_substitute() | |
198 |
|
195 | |||
199 |
def output_prompt(self, re |
|
196 | def output_prompt(self, number=None): | |
200 | """Returns the output prompt for result""" |
|
197 | """Returns the output prompt for result""" | |
201 |
|
198 | |||
202 |
return self.output_prompt_template.safe_substitute( |
|
199 | return self.output_prompt_template.safe_substitute({'number':number}) | |
203 |
|
200 | |||
204 |
|
201 | |||
205 | def is_complete(self, block): |
|
202 | def is_complete(self, block): | |
206 | """Determine if block is complete. |
|
203 | """Determine if block is complete. | |
207 |
|
204 | |||
208 | Parameters |
|
205 | Parameters | |
209 | block : string |
|
206 | block : string | |
210 |
|
207 | |||
211 | Result |
|
208 | Result | |
212 | True if block can be sent to the engine without compile errors. |
|
209 | True if block can be sent to the engine without compile errors. | |
213 | False otherwise. |
|
210 | False otherwise. | |
214 | """ |
|
211 | """ | |
215 |
|
212 | |||
216 | try: |
|
213 | try: | |
217 | ast = self.compile_ast(block) |
|
214 | ast = self.compile_ast(block) | |
218 | except: |
|
215 | except: | |
219 | return False |
|
216 | return False | |
220 |
|
217 | |||
221 | lines = block.split('\n') |
|
218 | lines = block.split('\n') | |
222 | return (len(lines)==1 or str(lines[-1])=='') |
|
219 | return (len(lines)==1 or str(lines[-1])=='') | |
223 |
|
220 | |||
224 |
|
221 | |||
225 | def compile_ast(self, block): |
|
222 | def compile_ast(self, block): | |
226 | """Compile block to an AST |
|
223 | """Compile block to an AST | |
227 |
|
224 | |||
228 | Parameters: |
|
225 | Parameters: | |
229 | block : str |
|
226 | block : str | |
230 |
|
227 | |||
231 | Result: |
|
228 | Result: | |
232 | AST |
|
229 | AST | |
233 |
|
230 | |||
234 | Throws: |
|
231 | Throws: | |
235 | Exception if block cannot be compiled |
|
232 | Exception if block cannot be compiled | |
236 | """ |
|
233 | """ | |
237 |
|
234 | |||
238 | return compile(block, "<string>", "exec", _ast.PyCF_ONLY_AST) |
|
235 | return compile(block, "<string>", "exec", _ast.PyCF_ONLY_AST) | |
239 |
|
236 | |||
240 |
|
237 | |||
241 | def execute(self, block, blockID=None): |
|
238 | def execute(self, block, blockID=None): | |
242 | """Execute the block and return result. |
|
239 | """Execute the block and return result. | |
243 |
|
240 | |||
244 | Parameters: |
|
241 | Parameters: | |
245 | block : {str, AST} |
|
242 | block : {str, AST} | |
246 | blockID : any |
|
243 | blockID : any | |
247 | Caller may provide an ID to identify this block. |
|
244 | Caller may provide an ID to identify this block. | |
248 | result['blockID'] := blockID |
|
245 | result['blockID'] := blockID | |
249 |
|
246 | |||
250 | Result: |
|
247 | Result: | |
251 | Deferred result of self.interpreter.execute |
|
248 | Deferred result of self.interpreter.execute | |
252 | """ |
|
249 | """ | |
253 |
|
250 | |||
254 | if(not self.is_complete(block)): |
|
251 | if(not self.is_complete(block)): | |
255 | return Failure(Exception("Block is not compilable")) |
|
252 | return Failure(Exception("Block is not compilable")) | |
256 |
|
253 | |||
257 | if(blockID == None): |
|
254 | if(blockID == None): | |
258 | blockID = uuid.uuid4() #random UUID |
|
255 | blockID = uuid.uuid4() #random UUID | |
259 |
|
256 | |||
260 | d = self.engine.execute(block) |
|
257 | d = self.engine.execute(block) | |
261 | d.addCallback(self._add_history, block=block) |
|
258 | d.addCallback(self._add_history, block=block) | |
262 |
d.add |
|
259 | d.addCallbacks(self._add_block_id_for_result, | |
263 | d.addBoth(self.update_cell_prompt) |
|
260 | errback=self._add_block_id_for_failure, | |
264 | d.addCallbacks(self.render_result, errback=self.render_error) |
|
261 | callbackArgs=(blockID,), | |
|
262 | errbackArgs=(blockID,)) | |||
|
263 | d.addBoth(self.update_cell_prompt, blockID=blockID) | |||
|
264 | d.addCallbacks(self.render_result, | |||
|
265 | errback=self.render_error) | |||
265 |
|
266 | |||
266 | return d |
|
267 | return d | |
267 |
|
268 | |||
268 |
|
269 | |||
269 | def _add_block_id(self, result, blockID): |
|
270 | def _add_block_id_for_result(self, result, blockID): | |
270 | """Add the blockID to result or failure. Unfortunatley, we have to |
|
271 | """Add the blockID to result or failure. Unfortunatley, we have to | |
271 | treat failures differently than result dicts. |
|
272 | treat failures differently than result dicts. | |
272 | """ |
|
273 | """ | |
273 |
|
274 | |||
274 | if(isinstance(result, Failure)): |
|
|||
275 | result.blockID = blockID |
|
|||
276 | else: |
|
|||
277 |
|
|
275 | result['blockID'] = blockID | |
278 |
|
276 | |||
279 | return result |
|
277 | return result | |
280 |
|
278 | |||
|
279 | def _add_block_id_for_failure(self, failure, blockID): | |||
|
280 | """_add_block_id_for_failure""" | |||
|
281 | ||||
|
282 | failure.blockID = blockID | |||
|
283 | return failure | |||
|
284 | ||||
|
285 | ||||
281 | def _add_history(self, result, block=None): |
|
286 | def _add_history(self, result, block=None): | |
282 | """Add block to the history""" |
|
287 | """Add block to the history""" | |
283 |
|
288 | |||
284 | assert(block != None) |
|
289 | assert(block != None) | |
285 | self.history.add_items([block]) |
|
290 | self.history.add_items([block]) | |
286 | self.history_cursor += 1 |
|
291 | self.history_cursor += 1 | |
287 |
|
292 | |||
288 | return result |
|
293 | return result | |
289 |
|
294 | |||
290 |
|
295 | |||
291 | def get_history_previous(self, currentBlock): |
|
296 | def get_history_previous(self, currentBlock): | |
292 | """ Returns previous history string and decrement history cursor. |
|
297 | """ Returns previous history string and decrement history cursor. | |
293 | """ |
|
298 | """ | |
294 | command = self.history.get_history_item(self.history_cursor - 1) |
|
299 | command = self.history.get_history_item(self.history_cursor - 1) | |
295 |
|
300 | |||
296 | if command is not None: |
|
301 | if command is not None: | |
297 | if(self.history_cursor == len(self.history.input_cache)): |
|
302 | if(self.history_cursor == len(self.history.input_cache)): | |
298 | self.history.input_cache[self.history_cursor] = currentBlock |
|
303 | self.history.input_cache[self.history_cursor] = currentBlock | |
299 | self.history_cursor -= 1 |
|
304 | self.history_cursor -= 1 | |
300 | return command |
|
305 | return command | |
301 |
|
306 | |||
302 |
|
307 | |||
303 | def get_history_next(self): |
|
308 | def get_history_next(self): | |
304 | """ Returns next history string and increment history cursor. |
|
309 | """ Returns next history string and increment history cursor. | |
305 | """ |
|
310 | """ | |
306 | command = self.history.get_history_item(self.history_cursor+1) |
|
311 | command = self.history.get_history_item(self.history_cursor+1) | |
307 |
|
312 | |||
308 | if command is not None: |
|
313 | if command is not None: | |
309 | self.history_cursor += 1 |
|
314 | self.history_cursor += 1 | |
310 | return command |
|
315 | return command | |
311 |
|
316 | |||
312 | ### |
|
317 | ### | |
313 | # Subclasses probably want to override these methods... |
|
318 | # Subclasses probably want to override these methods... | |
314 | ### |
|
319 | ### | |
315 |
|
320 | |||
316 | def update_cell_prompt(self, result): |
|
321 | def update_cell_prompt(self, result, blockID=None): | |
317 | """Subclass may override to update the input prompt for a block. |
|
322 | """Subclass may override to update the input prompt for a block. | |
318 | Since this method will be called as a |
|
323 | Since this method will be called as a | |
319 | twisted.internet.defer.Deferred's callback, implementations should |
|
324 | twisted.internet.defer.Deferred's callback, implementations should | |
320 | return result when finished. |
|
325 | return result when finished. | |
321 |
|
||||
322 | NB: result is a failure if the execute returned a failre. |
|
|||
323 | To get the blockID, you should do something like:: |
|
|||
324 | if(isinstance(result, twisted.python.failure.Failure)): |
|
|||
325 | blockID = result.blockID |
|
|||
326 | else: |
|
|||
327 | blockID = result['blockID'] |
|
|||
328 |
|
||||
329 |
|
||||
330 | """ |
|
326 | """ | |
331 |
|
327 | |||
332 | return result |
|
328 | return result | |
333 |
|
329 | |||
334 |
|
330 | |||
335 | def render_result(self, result): |
|
331 | def render_result(self, result): | |
336 | """Subclasses must override to render result. Since this method will |
|
332 | """Subclasses must override to render result. Since this method will | |
337 | be called as a twisted.internet.defer.Deferred's callback, |
|
333 | be called as a twisted.internet.defer.Deferred's callback, | |
338 | implementations should return result when finished. |
|
334 | implementations should return result when finished. | |
339 | """ |
|
335 | """ | |
340 |
|
336 | |||
341 | return result |
|
337 | return result | |
342 |
|
338 | |||
343 |
|
339 | |||
344 | def render_error(self, failure): |
|
340 | def render_error(self, failure): | |
345 | """Subclasses must override to render the failure. Since this method |
|
341 | """Subclasses must override to render the failure. Since this method | |
346 | will be called as a twisted.internet.defer.Deferred's callback, |
|
342 | will be called as a twisted.internet.defer.Deferred's callback, | |
347 |
implementations should return result when finished. |
|
343 | implementations should return result when finished. | |
|
344 | """ | |||
348 |
|
345 | |||
349 | return failure |
|
346 | return failure | |
350 |
|
347 | |||
351 |
|
348 | |||
352 |
|
349 |
@@ -1,151 +1,151 b'' | |||||
1 | # encoding: utf-8 |
|
1 | # encoding: utf-8 | |
2 |
|
2 | |||
3 | """This file contains unittests for the frontendbase module.""" |
|
3 | """This file contains unittests for the frontendbase module.""" | |
4 |
|
4 | |||
5 | __docformat__ = "restructuredtext en" |
|
5 | __docformat__ = "restructuredtext en" | |
6 |
|
6 | |||
7 | #--------------------------------------------------------------------------- |
|
7 | #--------------------------------------------------------------------------- | |
8 | # Copyright (C) 2008 The IPython Development Team |
|
8 | # Copyright (C) 2008 The IPython Development Team | |
9 | # |
|
9 | # | |
10 | # Distributed under the terms of the BSD License. The full license is in |
|
10 | # Distributed under the terms of the BSD License. The full license is in | |
11 | # the file COPYING, distributed as part of this software. |
|
11 | # the file COPYING, distributed as part of this software. | |
12 | #--------------------------------------------------------------------------- |
|
12 | #--------------------------------------------------------------------------- | |
13 |
|
13 | |||
14 | #--------------------------------------------------------------------------- |
|
14 | #--------------------------------------------------------------------------- | |
15 | # Imports |
|
15 | # Imports | |
16 | #--------------------------------------------------------------------------- |
|
16 | #--------------------------------------------------------------------------- | |
17 |
|
17 | |||
18 | import unittest |
|
18 | import unittest | |
19 | from IPython.frontend import frontendbase |
|
19 | from IPython.frontend import frontendbase | |
20 | from IPython.kernel.engineservice import EngineService |
|
20 | from IPython.kernel.engineservice import EngineService | |
21 |
|
21 | |||
22 | class FrontEndCallbackChecker(frontendbase.FrontEndBase): |
|
22 | class FrontEndCallbackChecker(frontendbase.FrontEndBase): | |
23 | """FrontEndBase subclass for checking callbacks""" |
|
23 | """FrontEndBase subclass for checking callbacks""" | |
24 | def __init__(self, engine=None, history=None): |
|
24 | def __init__(self, engine=None, history=None): | |
25 | super(FrontEndCallbackChecker, self).__init__(engine=engine, |
|
25 | super(FrontEndCallbackChecker, self).__init__(engine=engine, | |
26 | history=history) |
|
26 | history=history) | |
27 | self.updateCalled = False |
|
27 | self.updateCalled = False | |
28 | self.renderResultCalled = False |
|
28 | self.renderResultCalled = False | |
29 | self.renderErrorCalled = False |
|
29 | self.renderErrorCalled = False | |
30 |
|
30 | |||
31 | def update_cell_prompt(self, result): |
|
31 | def update_cell_prompt(self, result, blockID=None): | |
32 | self.updateCalled = True |
|
32 | self.updateCalled = True | |
33 | return result |
|
33 | return result | |
34 |
|
34 | |||
35 | def render_result(self, result): |
|
35 | def render_result(self, result): | |
36 | self.renderResultCalled = True |
|
36 | self.renderResultCalled = True | |
37 | return result |
|
37 | return result | |
38 |
|
38 | |||
39 |
|
39 | |||
40 | def render_error(self, failure): |
|
40 | def render_error(self, failure): | |
41 | self.renderErrorCalled = True |
|
41 | self.renderErrorCalled = True | |
42 | return failure |
|
42 | return failure | |
43 |
|
43 | |||
44 |
|
44 | |||
45 |
|
45 | |||
46 |
|
46 | |||
47 | class TestFrontendBase(unittest.TestCase): |
|
47 | class TestFrontendBase(unittest.TestCase): | |
48 | def setUp(self): |
|
48 | def setUp(self): | |
49 | """Setup the EngineService and FrontEndBase""" |
|
49 | """Setup the EngineService and FrontEndBase""" | |
50 |
|
50 | |||
51 | self.fb = FrontEndCallbackChecker(engine=EngineService()) |
|
51 | self.fb = FrontEndCallbackChecker(engine=EngineService()) | |
52 |
|
52 | |||
53 |
|
53 | |||
54 | def test_implements_IFrontEnd(self): |
|
54 | def test_implements_IFrontEnd(self): | |
55 | assert(frontendbase.IFrontEnd.implementedBy( |
|
55 | assert(frontendbase.IFrontEnd.implementedBy( | |
56 | frontendbase.FrontEndBase)) |
|
56 | frontendbase.FrontEndBase)) | |
57 |
|
57 | |||
58 |
|
58 | |||
59 | def test_is_complete_returns_False_for_incomplete_block(self): |
|
59 | def test_is_complete_returns_False_for_incomplete_block(self): | |
60 | """""" |
|
60 | """""" | |
61 |
|
61 | |||
62 | block = """def test(a):""" |
|
62 | block = """def test(a):""" | |
63 |
|
63 | |||
64 | assert(self.fb.is_complete(block) == False) |
|
64 | assert(self.fb.is_complete(block) == False) | |
65 |
|
65 | |||
66 | def test_is_complete_returns_True_for_complete_block(self): |
|
66 | def test_is_complete_returns_True_for_complete_block(self): | |
67 | """""" |
|
67 | """""" | |
68 |
|
68 | |||
69 | block = """def test(a): pass""" |
|
69 | block = """def test(a): pass""" | |
70 |
|
70 | |||
71 | assert(self.fb.is_complete(block)) |
|
71 | assert(self.fb.is_complete(block)) | |
72 |
|
72 | |||
73 | block = """a=3""" |
|
73 | block = """a=3""" | |
74 |
|
74 | |||
75 | assert(self.fb.is_complete(block)) |
|
75 | assert(self.fb.is_complete(block)) | |
76 |
|
76 | |||
77 |
|
77 | |||
78 | def test_blockID_added_to_result(self): |
|
78 | def test_blockID_added_to_result(self): | |
79 | block = """3+3""" |
|
79 | block = """3+3""" | |
80 |
|
80 | |||
81 | d = self.fb.execute(block, blockID='TEST_ID') |
|
81 | d = self.fb.execute(block, blockID='TEST_ID') | |
82 |
|
82 | |||
83 | d.addCallback(self.checkBlockID, expected='TEST_ID') |
|
83 | d.addCallback(self.checkBlockID, expected='TEST_ID') | |
84 |
|
84 | |||
85 | def test_blockID_added_to_failure(self): |
|
85 | def test_blockID_added_to_failure(self): | |
86 | block = "raise Exception()" |
|
86 | block = "raise Exception()" | |
87 |
|
87 | |||
88 | d = self.fb.execute(block,blockID='TEST_ID') |
|
88 | d = self.fb.execute(block,blockID='TEST_ID') | |
89 | d.addErrback(self.checkFailureID, expected='TEST_ID') |
|
89 | d.addErrback(self.checkFailureID, expected='TEST_ID') | |
90 |
|
90 | |||
91 | def checkBlockID(self, result, expected=""): |
|
91 | def checkBlockID(self, result, expected=""): | |
92 | assert(result['blockID'] == expected) |
|
92 | assert(result['blockID'] == expected) | |
93 |
|
93 | |||
94 |
|
94 | |||
95 | def checkFailureID(self, failure, expected=""): |
|
95 | def checkFailureID(self, failure, expected=""): | |
96 | assert(failure.blockID == expected) |
|
96 | assert(failure.blockID == expected) | |
97 |
|
97 | |||
98 |
|
98 | |||
99 | def test_callbacks_added_to_execute(self): |
|
99 | def test_callbacks_added_to_execute(self): | |
100 | """test that |
|
100 | """test that | |
101 | update_cell_prompt |
|
101 | update_cell_prompt | |
102 | render_result |
|
102 | render_result | |
103 |
|
103 | |||
104 | are added to execute request |
|
104 | are added to execute request | |
105 | """ |
|
105 | """ | |
106 |
|
106 | |||
107 | d = self.fb.execute("10+10") |
|
107 | d = self.fb.execute("10+10") | |
108 | d.addCallback(self.checkCallbacks) |
|
108 | d.addCallback(self.checkCallbacks) | |
109 |
|
109 | |||
110 |
|
110 | |||
111 | def checkCallbacks(self, result): |
|
111 | def checkCallbacks(self, result): | |
112 | assert(self.fb.updateCalled) |
|
112 | assert(self.fb.updateCalled) | |
113 | assert(self.fb.renderResultCalled) |
|
113 | assert(self.fb.renderResultCalled) | |
114 |
|
114 | |||
115 |
|
115 | |||
116 | def test_error_callback_added_to_execute(self): |
|
116 | def test_error_callback_added_to_execute(self): | |
117 | """test that render_error called on execution error""" |
|
117 | """test that render_error called on execution error""" | |
118 |
|
118 | |||
119 | d = self.fb.execute("raise Exception()") |
|
119 | d = self.fb.execute("raise Exception()") | |
120 | d.addCallback(self.checkRenderError) |
|
120 | d.addCallback(self.checkRenderError) | |
121 |
|
121 | |||
122 | def checkRenderError(self, result): |
|
122 | def checkRenderError(self, result): | |
123 | assert(self.fb.renderErrorCalled) |
|
123 | assert(self.fb.renderErrorCalled) | |
124 |
|
124 | |||
125 | def test_history_returns_expected_block(self): |
|
125 | def test_history_returns_expected_block(self): | |
126 | """Make sure history browsing doesn't fail""" |
|
126 | """Make sure history browsing doesn't fail""" | |
127 |
|
127 | |||
128 | blocks = ["a=1","a=2","a=3"] |
|
128 | blocks = ["a=1","a=2","a=3"] | |
129 | for b in blocks: |
|
129 | for b in blocks: | |
130 | d = self.fb.execute(b) |
|
130 | d = self.fb.execute(b) | |
131 |
|
131 | |||
132 | # d is now the deferred for the last executed block |
|
132 | # d is now the deferred for the last executed block | |
133 | d.addCallback(self.historyTests, blocks) |
|
133 | d.addCallback(self.historyTests, blocks) | |
134 |
|
134 | |||
135 |
|
135 | |||
136 | def historyTests(self, result, blocks): |
|
136 | def historyTests(self, result, blocks): | |
137 | """historyTests""" |
|
137 | """historyTests""" | |
138 |
|
138 | |||
139 | assert(len(blocks) >= 3) |
|
139 | assert(len(blocks) >= 3) | |
140 | assert(self.fb.get_history_previous("") == blocks[-2]) |
|
140 | assert(self.fb.get_history_previous("") == blocks[-2]) | |
141 | assert(self.fb.get_history_previous("") == blocks[-3]) |
|
141 | assert(self.fb.get_history_previous("") == blocks[-3]) | |
142 | assert(self.fb.get_history_next() == blocks[-2]) |
|
142 | assert(self.fb.get_history_next() == blocks[-2]) | |
143 |
|
143 | |||
144 |
|
144 | |||
145 | def test_history_returns_none_at_startup(self): |
|
145 | def test_history_returns_none_at_startup(self): | |
146 | """test_history_returns_none_at_startup""" |
|
146 | """test_history_returns_none_at_startup""" | |
147 |
|
147 | |||
148 | assert(self.fb.get_history_previous("")==None) |
|
148 | assert(self.fb.get_history_previous("")==None) | |
149 | assert(self.fb.get_history_next()==None) |
|
149 | assert(self.fb.get_history_next()==None) | |
150 |
|
150 | |||
151 |
|
151 |
1 | NO CONTENT: file was removed |
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