forked frombpython/bpython
- Notifications
You must be signed in to change notification settings - Fork0
Expand file tree
/
Copy pathline.py
More file actions
227 lines (172 loc) · 7.29 KB
/
line.py
File metadata and controls
227 lines (172 loc) · 7.29 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
"""Extracting and changing portions of the current line
All functions take cursor offset from the beginning of the line and the line of
Python code, and return None, or a tuple of the start index, end index, and the
word."""
fromitertoolsimportchain
frombpython.lazyreimportLazyReCompile
current_word_re=LazyReCompile(r'[\w_][\w0-9._]*[(]?')
defcurrent_word(cursor_offset,line):
"""the object.attribute.attribute just before or under the cursor"""
pos=cursor_offset
matches=current_word_re.finditer(line)
start=pos
end=pos
word=None
forminmatches:
ifm.start()<posandm.end()>=pos:
start=m.start()
end=m.end()
word=m.group()
ifwordisNone:
returnNone
return (start,end,word)
current_dict_key_re=LazyReCompile(r'''[\w_][\w0-9._]*\[([\w0-9._(), '"]*)''')
defcurrent_dict_key(cursor_offset,line):
"""If in dictionary completion, return the current key"""
matches=current_dict_key_re.finditer(line)
forminmatches:
ifm.start(1)<=cursor_offsetandm.end(1)>=cursor_offset:
return (m.start(1),m.end(1),m.group(1))
returnNone
current_dict_re=LazyReCompile(r'''([\w_][\w0-9._]*)\[([\w0-9._(), '"]*)''')
defcurrent_dict(cursor_offset,line):
"""If in dictionary completion, return the dict that should be used"""
matches=current_dict_re.finditer(line)
forminmatches:
ifm.start(2)<=cursor_offsetandm.end(2)>=cursor_offset:
return (m.start(1),m.end(1),m.group(1))
returnNone
current_string_re=LazyReCompile(
'''(?P<open>(?:""")|"|(?:''\')|')(?:((?P<closed>.+?)(?P=open))|'''
'''(?P<unclosed>.+))''')
defcurrent_string(cursor_offset,line):
"""If inside a string of nonzero length, return the string (excluding
quotes)
Weaker than bpython.Repl's current_string, because that checks that a
string is a string based on previous lines in the buffer."""
formincurrent_string_re.finditer(line):
i=3ifm.group(3)else4
ifm.start(i)<=cursor_offsetandm.end(i)>=cursor_offset:
returnm.start(i),m.end(i),m.group(i)
returnNone
current_object_re=LazyReCompile(r'([\w_][\w0-9_]*)[.]')
defcurrent_object(cursor_offset,line):
"""If in attribute completion, the object on which attribute should be
looked up."""
match=current_word(cursor_offset,line)
ifmatchisNone:
returnNone
start,end,word=match
matches=current_object_re.finditer(word)
s=''
forminmatches:
ifm.end(1)+start<cursor_offset:
ifs:
s+='.'
s+=m.group(1)
ifnots:
returnNone
returnstart,start+len(s),s
current_object_attribute_re=LazyReCompile(r'([\w_][\w0-9_]*)[.]?')
defcurrent_object_attribute(cursor_offset,line):
"""If in attribute completion, the attribute being completed"""
match=current_word(cursor_offset,line)
ifmatchisNone:
returnNone
start,end,word=match
matches=current_object_attribute_re.finditer(word)
next(matches)
forminmatches:
if (m.start(1)+start<=cursor_offsetand
m.end(1)+start>=cursor_offset):
returnm.start(1)+start,m.end(1)+start,m.group(1)
returnNone
current_from_import_from_re=LazyReCompile(
r'from ([\w0-9_.]*)(?:\s+import\s+([\w0-9_]+[,]?\s*)+)*')
defcurrent_from_import_from(cursor_offset,line):
"""If in from import completion, the word after from
returns None if cursor not in or just after one of the two interesting
parts of an import: from (module) import (name1, name2)
"""
# TODO allow for as's
tokens=line.split()
ifnot ('from'intokensor'import'intokens):
returnNone
matches=current_from_import_from_re.finditer(line)
forminmatches:
if ((m.start(1)<cursor_offsetandm.end(1)>=cursor_offset)or
(m.start(2)<cursor_offsetandm.end(2)>=cursor_offset)):
returnm.start(1),m.end(1),m.group(1)
returnNone
current_from_import_import_re_1=LazyReCompile(r'from\s([\w0-9_.]*)\s+import')
current_from_import_import_re_2=LazyReCompile(r'([\w0-9_]+)')
current_from_import_import_re_3=LazyReCompile(r'[,][ ]([\w0-9_]*)')
defcurrent_from_import_import(cursor_offset,line):
"""If in from import completion, the word after import being completed
returns None if cursor not in or just after one of these words
"""
baseline=current_from_import_import_re_1.search(line)
ifbaselineisNone:
returnNone
match1=current_from_import_import_re_2.search(line[baseline.end():])
ifmatch1isNone:
returnNone
matches=current_from_import_import_re_3.finditer(line[baseline.end():])
forminchain((match1, ),matches):
start=baseline.end()+m.start(1)
end=baseline.end()+m.end(1)
ifstart<cursor_offsetandend>=cursor_offset:
returnstart,end,m.group(1)
returnNone
current_import_re_1=LazyReCompile(r'import')
current_import_re_2=LazyReCompile(r'([\w0-9_.]+)')
current_import_re_3=LazyReCompile(r'[,][ ]([\w0-9_.]*)')
defcurrent_import(cursor_offset,line):
# TODO allow for multiple as's
baseline=current_import_re_1.search(line)
ifbaselineisNone:
returnNone
match1=current_import_re_2.search(line[baseline.end():])
ifmatch1isNone:
returnNone
matches=current_import_re_3.finditer(line[baseline.end():])
forminchain((match1, ),matches):
start=baseline.end()+m.start(1)
end=baseline.end()+m.end(1)
ifstart<cursor_offsetandend>=cursor_offset:
returnstart,end,m.group(1)
current_method_definition_name_re=LazyReCompile("def\s+([a-zA-Z_][\w]*)")
defcurrent_method_definition_name(cursor_offset,line):
"""The name of a method being defined"""
matches=current_method_definition_name_re.finditer(line)
forminmatches:
if (m.start(1)<=cursor_offsetandm.end(1)>=cursor_offset):
returnm.start(1),m.end(1),m.group(1)
returnNone
current_single_word_re=LazyReCompile(r"(?<![.])\b([a-zA-Z_][\w]*)")
defcurrent_single_word(cursor_offset,line):
"""the un-dotted word just before or under the cursor"""
matches=current_single_word_re.finditer(line)
forminmatches:
ifm.start(1)<=cursor_offsetandm.end(1)>=cursor_offset:
returnm.start(1),m.end(1),m.group(1)
returnNone
defcurrent_dotted_attribute(cursor_offset,line):
"""The dotted attribute-object pair before the cursor"""
match=current_word(cursor_offset,line)
ifmatchisNone:
returnNone
start,end,word=match
if'.'inword[1:]:
returnstart,end,word
current_string_literal_attr_re=LazyReCompile(
"('''"+
r'''|"""|'|")'''+
r'''((?:(?=([^"'\\]+|\\.|(?!\1)["']))\3)*)\1[.]([a-zA-Z_]?[\w]*)''')
defcurrent_string_literal_attr(cursor_offset,line):
"""The attribute following a string literal"""
matches=current_string_literal_attr_re.finditer(line)
forminmatches:
ifm.start(4)<=cursor_offsetandm.end(4)>=cursor_offset:
returnm.start(4),m.end(4),m.group(4)
returnNone