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@@ -1,139 +1,139 b'' | |||||
1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 |
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2 | |||
3 | """ History related magics and functionality """ |
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3 | """ History related magics and functionality """ | |
4 |
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4 | |||
5 | import IPython.ipapi |
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5 | import IPython.ipapi | |
6 | ip = IPython.ipapi.get() |
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6 | ip = IPython.ipapi.get() | |
7 |
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7 | |||
8 | import fnmatch |
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8 | import fnmatch | |
9 |
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9 | |||
10 | def magic_history(self, parameter_s = ''): |
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10 | def magic_history(self, parameter_s = ''): | |
11 | """Print input history (_i<n> variables), with most recent last. |
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11 | """Print input history (_i<n> variables), with most recent last. | |
12 |
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12 | |||
13 | %history -> print at most 40 inputs (some may be multi-line)\\ |
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13 | %history -> print at most 40 inputs (some may be multi-line)\\ | |
14 | %history n -> print at most n inputs\\ |
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14 | %history n -> print at most n inputs\\ | |
15 | %history n1 n2 -> print inputs between n1 and n2 (n2 not included)\\ |
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15 | %history n1 n2 -> print inputs between n1 and n2 (n2 not included)\\ | |
16 |
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16 | |||
17 | Each input's number <n> is shown, and is accessible as the |
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17 | Each input's number <n> is shown, and is accessible as the | |
18 | automatically generated variable _i<n>. Multi-line statements are |
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18 | automatically generated variable _i<n>. Multi-line statements are | |
19 | printed starting at a new line for easy copy/paste. |
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19 | printed starting at a new line for easy copy/paste. | |
20 |
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20 | |||
21 |
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21 | |||
22 | Options: |
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22 | Options: | |
23 |
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23 | |||
24 | -n: do NOT print line numbers. This is useful if you want to get a |
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24 | -n: do NOT print line numbers. This is useful if you want to get a | |
25 | printout of many lines which can be directly pasted into a text |
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25 | printout of many lines which can be directly pasted into a text | |
26 | editor. |
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26 | editor. | |
27 |
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27 | |||
28 | This feature is only available if numbered prompts are in use. |
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28 | This feature is only available if numbered prompts are in use. | |
29 |
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29 | |||
30 | -t: print the 'translated' history, as IPython understands it. IPython |
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30 | -t: print the 'translated' history, as IPython understands it. IPython | |
31 | filters your input and converts it all into valid Python source before |
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31 | filters your input and converts it all into valid Python source before | |
32 | executing it (things like magics or aliases are turned into function |
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32 | executing it (things like magics or aliases are turned into function | |
33 | calls, for example). With this option, you'll see the native history |
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33 | calls, for example). With this option, you'll see the native history | |
34 | instead of the user-entered version: '%cd /' will be seen as |
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34 | instead of the user-entered version: '%cd /' will be seen as | |
35 | '_ip.magic("%cd /")' instead of '%cd /'. |
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35 | '_ip.magic("%cd /")' instead of '%cd /'. | |
36 |
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36 | |||
37 | -g: treat the arg as a pattern to grep for in (full) history |
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37 | -g: treat the arg as a pattern to grep for in (full) history | |
38 |
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38 | |||
39 | """ |
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39 | """ | |
40 |
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40 | |||
41 | shell = self.shell |
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41 | shell = self.shell | |
42 | if not shell.outputcache.do_full_cache: |
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42 | if not shell.outputcache.do_full_cache: | |
43 | print 'This feature is only available if numbered prompts are in use.' |
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43 | print 'This feature is only available if numbered prompts are in use.' | |
44 | return |
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44 | return | |
45 | opts,args = self.parse_options(parameter_s,'nt',mode='list') |
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45 | opts,args = self.parse_options(parameter_s,'gnt',mode='list') | |
46 |
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46 | |||
47 |
if not opts.has_key(' |
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47 | if not opts.has_key('t'): | |
48 | input_hist = shell.input_hist_raw |
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48 | input_hist = shell.input_hist_raw | |
49 | else: |
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49 | else: | |
50 | input_hist = shell.input_hist |
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50 | input_hist = shell.input_hist | |
51 |
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51 | |||
52 | default_length = 40 |
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52 | default_length = 40 | |
53 | pattern = None |
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53 | pattern = None | |
54 | if opts.has_key('g'): |
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54 | if opts.has_key('g'): | |
55 | init = 1 |
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55 | init = 1 | |
56 | final = len(input_hist) |
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56 | final = len(input_hist) | |
57 | head, pattern = parameter_s.split(None,1) |
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57 | head, pattern = parameter_s.split(None,1) | |
58 | pattern = "*" + pattern + "*" |
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58 | pattern = "*" + pattern + "*" | |
59 | elif len(args) == 0: |
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59 | elif len(args) == 0: | |
60 | final = len(input_hist) |
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60 | final = len(input_hist) | |
61 | init = max(1,final-default_length) |
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61 | init = max(1,final-default_length) | |
62 | elif len(args) == 1: |
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62 | elif len(args) == 1: | |
63 | final = len(input_hist) |
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63 | final = len(input_hist) | |
64 | init = max(1,final-int(args[0])) |
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64 | init = max(1,final-int(args[0])) | |
65 | elif len(args) == 2: |
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65 | elif len(args) == 2: | |
66 | init,final = map(int,args) |
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66 | init,final = map(int,args) | |
67 | else: |
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67 | else: | |
68 | warn('%hist takes 0, 1 or 2 arguments separated by spaces.') |
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68 | warn('%hist takes 0, 1 or 2 arguments separated by spaces.') | |
69 | print self.magic_hist.__doc__ |
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69 | print self.magic_hist.__doc__ | |
70 | return |
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70 | return | |
71 | width = len(str(final)) |
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71 | width = len(str(final)) | |
72 | line_sep = ['','\n'] |
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72 | line_sep = ['','\n'] | |
73 | print_nums = not opts.has_key('n') |
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73 | print_nums = not opts.has_key('n') | |
74 | for in_num in range(init,final): |
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74 | for in_num in range(init,final): | |
75 | inline = input_hist[in_num] |
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75 | inline = input_hist[in_num] | |
76 | if pattern is not None and fnmatch.fnmatch(inline, pattern): |
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76 | if pattern is not None and not fnmatch.fnmatch(inline, pattern): | |
77 | continue |
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77 | continue | |
78 |
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78 | |||
79 | multiline = int(inline.count('\n') > 1) |
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79 | multiline = int(inline.count('\n') > 1) | |
80 | if print_nums: |
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80 | if print_nums: | |
81 | print '%s:%s' % (str(in_num).ljust(width),line_sep[multiline]), |
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81 | print '%s:%s' % (str(in_num).ljust(width),line_sep[multiline]), | |
82 | print inline, |
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82 | print inline, | |
83 |
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83 | |||
84 | ip.expose_magic("history",magic_history) |
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84 | ip.expose_magic("history",magic_history) | |
85 |
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85 | |||
86 | def magic_hist(self, parameter_s=''): |
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86 | def magic_hist(self, parameter_s=''): | |
87 | """Alternate name for %history.""" |
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87 | """Alternate name for %history.""" | |
88 | return self.magic_history(parameter_s) |
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88 | return self.magic_history(parameter_s) | |
89 |
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89 | |||
90 | ip.expose_magic("hist",magic_hist) |
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90 | ip.expose_magic("hist",magic_hist) | |
91 |
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91 | |||
92 | def rep_f(self, arg): |
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92 | def rep_f(self, arg): | |
93 | r""" Repeat a command, or get command to input line for editing |
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93 | r""" Repeat a command, or get command to input line for editing | |
94 |
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94 | |||
95 | - %rep (no arguments): |
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95 | - %rep (no arguments): | |
96 |
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96 | |||
97 | Place a string version of last input to the next input prompt. Allows you |
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97 | Place a string version of last input to the next input prompt. Allows you | |
98 | to create elaborate command lines without using copy-paste:: |
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98 | to create elaborate command lines without using copy-paste:: | |
99 |
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99 | |||
100 | $ l = ["hei", "vaan"] |
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100 | $ l = ["hei", "vaan"] | |
101 | $ "".join(l) |
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101 | $ "".join(l) | |
102 | ==> heivaan |
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102 | ==> heivaan | |
103 | $ %rep |
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103 | $ %rep | |
104 | $ heivaan_ <== cursor blinking |
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104 | $ heivaan_ <== cursor blinking | |
105 |
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105 | |||
106 | %rep 45 |
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106 | %rep 45 | |
107 |
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107 | |||
108 | Place history line 45 to next input prompt. Use %hist to find out the number. |
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108 | Place history line 45 to next input prompt. Use %hist to find out the number. | |
109 |
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109 | |||
110 | %rep 1-4 6-7 3 |
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110 | %rep 1-4 6-7 3 | |
111 |
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111 | |||
112 | Repeat the specified lines immediately. Input slice syntax is the same as |
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112 | Repeat the specified lines immediately. Input slice syntax is the same as | |
113 | in %macro and %save. |
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113 | in %macro and %save. | |
114 |
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114 | |||
115 | """ |
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115 | """ | |
116 |
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116 | |||
117 |
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117 | |||
118 | opts,args = self.parse_options(arg,'',mode='list') |
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118 | opts,args = self.parse_options(arg,'',mode='list') | |
119 | print args |
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119 | print args | |
120 | if not args: |
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120 | if not args: | |
121 | ip.set_next_input(str(ip.user_ns["_"])) |
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121 | ip.set_next_input(str(ip.user_ns["_"])) | |
122 | return |
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122 | return | |
123 |
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123 | |||
124 | if len(arg) == 1: |
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124 | if len(arg) == 1: | |
125 | try: |
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125 | try: | |
126 | num = int(args[0]) |
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126 | num = int(args[0]) | |
127 | ip.set_next_input(str(ip.IP.input_hist_raw[num]).rstrip()) |
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127 | ip.set_next_input(str(ip.IP.input_hist_raw[num]).rstrip()) | |
128 | return |
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128 | return | |
129 | except ValueError: |
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129 | except ValueError: | |
130 | pass |
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130 | pass | |
131 |
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131 | |||
132 |
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132 | |||
133 | lines = self.extract_input_slices(args, True) |
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133 | lines = self.extract_input_slices(args, True) | |
134 | print "lines",lines |
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134 | print "lines",lines | |
135 | ip.runlines(lines) |
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135 | ip.runlines(lines) | |
136 |
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136 | |||
137 | ip.expose_magic("rep",rep_f) |
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137 | ip.expose_magic("rep",rep_f) | |
138 |
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138 | |||
139 |
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139 |
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