Mercurial > sqlpython
annotate sqlpyPlus.py @ 8:8e909570e7de
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| author | catherine@serenity.wpafb.af.mil |
|---|---|
| date | Thu, 06 Dec 2007 10:37:59 -0500 |
| parents | d44784122203 |
| children | 2ef0e2608123 |
| rev | line source |
|---|---|
| 0 | 1 """sqlpyPlus - extra features (inspired by Oracle SQL*Plus) for Luca Canali's sqlpython.py |
| 2 | |
| 3 Features include: | |
| 4 - SQL*Plus-style bind variables | |
| 5 - Query result stored in special bind variable ":_" if one row, one item | |
| 6 - SQL buffer with list, run, ed, get, etc.; unlike SQL*Plus, buffer stores session's full history | |
| 7 - @script.sql loads and runs (like SQL*Plus) | |
| 8 - ! runs operating-system command | |
| 9 - show and set to control sqlpython parameters | |
| 10 - SQL*Plus-style describe, spool | |
| 11 - write sends query result directly to file | |
| 12 - comments shows table and column comments | |
| 13 - compare ... to ... graphically compares results of two queries | |
| 14 - commands are case-insensitive | |
| 15 | |
| 16 Use 'help' within sqlpython for details. | |
| 17 | |
| 18 Compatible with sqlpython v1.3 | |
| 19 | |
| 20 Set bind variables the hard (SQL*Plus) way | |
| 21 exec :b = 3 | |
| 22 or with a python-like shorthand | |
| 23 :b = 3 | |
| 24 | |
| 25 - catherinedevlin.blogspot.com May 31, 2006 | |
| 26 """ | |
| 27 # note in cmd.cmd about supporting emacs commands? | |
| 28 | |
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29 pullQueries = { |
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30 'PROCEDURE':(""" |
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31 text |
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32 FROM all_source |
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33 WHERE owner = :owner |
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34 AND name = :object_name |
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35 """,), |
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36 'PACKAGE':(""" |
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37 text |
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38 FROM all_source |
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39 WHERE owner = :owner |
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40 AND name = :object_name |
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41 AND type = 'PACKAGE_BODY' |
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42 """,), |
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43 'TYPE':(""" |
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44 text |
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45 FROM all_source |
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46 WHERE owner = :owner |
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47 AND name = :object_name |
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48 AND type = 'TYPE' |
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49 """, |
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50 """ |
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51 text |
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52 FROM all_source |
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53 WHERE owner = :owner |
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54 AND name = :object_name |
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55 AND type = 'TYPE_BODY' |
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56 """,) |
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57 } |
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58 pullQueries['TRIGGER'] = pullQueries['PROCEDURE'] |
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59 pullQueries['FUNCTION'] = pullQueries['PROCEDURE'] |
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60 |
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61 descQueries = { |
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62 'TABLE': (""" |
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63 atc.column_name, |
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64 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", |
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65 atc.data_type || |
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66 CASE atc.data_type WHEN 'DATE' THEN '' |
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67 ELSE '(' || |
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68 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || |
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69 CASE atc.data_scale WHEN 0 THEN '' |
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70 ELSE ',' || TO_CHAR(atc.data_scale) END |
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71 ELSE TO_CHAR(atc.data_length) END |
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72 END || |
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73 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END |
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74 data_type |
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75 FROM all_tab_columns atc |
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76 WHERE atc.table_name = :object_name |
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77 AND atc.owner = :owner |
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78 ORDER BY atc.column_id;""",), |
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79 'PROCEDURE': (""" |
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80 argument_name, |
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81 data_type, |
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82 in_out, |
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83 default_value |
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84 FROM all_arguments |
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85 WHERE object_name = :object_name |
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86 AND owner = :owner |
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87 AND package_name IS NULL |
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88 AND argument_name IS NOT NULL |
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89 ORDER BY sequence;""",), |
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90 'PackageObjects':(""" |
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91 SELECT DISTINCT object_name |
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92 FROM all_arguments |
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93 WHERE package_name = :package_name |
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94 AND owner = :owner""",), |
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95 'PackageObjArgs':(""" |
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96 object_name, |
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97 argument_name, |
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98 data_type, |
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99 in_out, |
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100 default_value |
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101 FROM all_arguments |
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102 WHERE package_name = :package_name |
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103 AND object_name = :object_name |
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104 AND owner = :owner |
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105 AND argument_name IS NOT NULL |
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106 ORDER BY sequence""",), |
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107 'TRIGGER':(""" |
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108 description |
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109 FROM all_triggers |
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110 WHERE owner = :owner |
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111 AND trigger_name = :object_name |
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112 """, |
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113 """ |
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114 table_owner, |
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115 base_object_type, |
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116 table_name, |
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117 column_name, |
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118 when_clause, |
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119 status, |
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120 action_type, |
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121 crossedition |
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122 FROM all_triggers |
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123 WHERE owner = :owner |
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124 AND trigger_name = :object_name |
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125 \\t |
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126 """, |
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127 ), |
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128 'INDEX':(""" |
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129 index_type, |
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130 table_owner, |
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131 table_name, |
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132 table_type, |
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133 uniqueness, |
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134 compression, |
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135 partitioned, |
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136 temporary, |
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137 generated, |
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138 secondary, |
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139 dropped, |
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140 visibility |
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141 FROM all_indexes |
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142 WHERE owner = :owner |
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143 AND index_name = :object_name |
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144 \\t |
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145 """,) |
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146 } |
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147 descQueries['VIEW'] = descQueries['TABLE'] |
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148 descQueries['FUNCTION'] = descQueries['PROCEDURE'] |
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149 |
| 0 | 150 queries = { |
| 151 'resolve': """ | |
| 152 SELECT object_type, object_name, owner FROM ( | |
| 153 SELECT object_type, object_name, user owner, 1 priority | |
| 154 FROM user_objects | |
| 155 WHERE object_name = :objName | |
| 156 UNION ALL | |
| 157 SELECT ao.object_type, ao.object_name, ao.owner, 2 priority | |
| 158 FROM all_objects ao | |
| 159 JOIN user_synonyms us ON (us.table_owner = ao.owner AND us.table_name = ao.object_name) | |
| 160 WHERE us.synonym_name = :objName | |
| 161 AND ao.object_type != 'SYNONYM' | |
| 162 UNION ALL | |
| 163 SELECT ao.object_type, ao.object_name, ao.owner, 3 priority | |
| 164 FROM all_objects ao | |
| 165 JOIN all_synonyms asyn ON (asyn.table_owner = ao.owner AND asyn.table_name = ao.object_name) | |
| 166 WHERE asyn.synonym_name = :objName | |
| 167 AND ao.object_type != 'SYNONYM' | |
| 168 AND asyn.owner = 'PUBLIC' | |
|
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169 UNION ALL |
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170 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority |
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171 FROM all_directories dir |
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172 WHERE dir.directory_name = :objName |
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173 UNION ALL |
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174 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority |
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175 FROM all_db_links dbl |
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176 WHERE dbl.db_link = :objName |
| 0 | 177 ) ORDER BY priority ASC""", |
| 178 'tabComments': """ | |
| 179 SELECT comments | |
| 180 FROM all_tab_comments | |
| 181 WHERE owner = :owner | |
| 182 AND table_name = :table_name""", | |
| 183 'colComments': """ | |
| 184 atc.column_name, | |
| 185 acc.comments | |
| 186 FROM all_tab_columns atc | |
| 187 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 188 WHERE atc.table_name = :object_name | |
| 189 AND atc.owner = :owner | |
| 190 ORDER BY atc.column_id;""", | |
| 191 } | |
| 192 | |
| 193 import sys, os, re, sqlpython, cx_Oracle, pyparsing | |
| 194 | |
| 195 if float(sys.version[:3]) < 2.3: | |
| 196 def enumerate(lst): | |
| 197 return zip(range(len(lst)), lst) | |
| 198 | |
| 199 class SoftwareSearcher(object): | |
| 200 def __init__(self, softwareList, purpose): | |
| 201 self.softwareList = softwareList | |
| 202 self.purpose = purpose | |
| 203 self.software = None | |
| 204 def invoke(self, *args): | |
| 205 if not self.software: | |
| 206 (self.software, self.invokeString) = self.find() | |
| 207 argTuple = tuple([self.software] + list(args)) | |
| 208 os.system(self.invokeString % argTuple) | |
| 209 def find(self): | |
| 210 if self.purpose == 'text editor': | |
| 211 software = os.environ.get('EDITOR') | |
| 212 if software: | |
| 213 return (software, '%s %s') | |
| 214 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
| 215 if os.path.exists(software): | |
| 216 if n > (len(self.softwareList) * 0.7): | |
| 217 print """ | |
| 218 | |
| 219 Using %s. Note that there are better options available for %s, | |
| 220 but %s couldn't find a better one in your PATH. | |
| 221 Feel free to open up %s | |
| 222 and customize it to find your favorite %s program. | |
| 223 | |
| 224 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
| 225 return (software, invokeString) | |
| 226 stem = os.path.split(software)[1] | |
| 227 for p in os.environ['PATH'].split(os.pathsep): | |
| 228 if os.path.exists(os.sep.join([p, stem])): | |
| 229 return (stem, invokeString) | |
| 230 raise (OSError, """Could not find any %s programs. You will need to install one, | |
| 231 or customize %s to make it aware of yours. | |
| 232 Looked for these programs: | |
| 233 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
| 234 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) | |
| 235 | |
| 236 softwareLists = { | |
| 237 'diff/merge': [ | |
| 238 ('/usr/bin/meld',"%s %s %s"), | |
| 239 ('/usr/bin/kdiff3',"%s %s %s"), | |
| 240 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
| 241 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
| 242 ('FileMerge','%s %s %s'), | |
| 243 ('kompare','%s %s %s'), | |
| 244 ('WinMerge','%s %s %s'), | |
| 245 ('xxdiff','%s %s %s'), | |
| 246 ('fldiff','%s %s %s'), | |
| 247 ('gtkdiff','%s %s %s'), | |
| 248 ('tkdiff','%s %s %s'), | |
| 249 ('gvimdiff','%s %s %s'), | |
| 250 ('diff',"%s %s %s"), | |
| 251 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
| 252 'text editor': [ | |
| 253 ('gedit', '%s %s'), | |
| 254 ('textpad', '%s %s'), | |
| 255 ('notepad.exe', '%s %s'), | |
| 256 ('pico', '%s %s'), | |
| 257 ('emacs', '%s %s'), | |
| 258 ('vim', '%s %s'), | |
| 259 ('vi', '%s %s'), | |
| 260 ('ed', '%s %s'), | |
| 261 ('edlin', '%s %s') | |
| 262 ] | |
| 263 } | |
| 264 | |
| 265 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
| 266 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
| 267 editor = os.environ.get('EDITOR') | |
| 268 if editor: | |
| 269 editSearcher.find = lambda: (editor, "%s %s") | |
| 270 | |
| 271 class CaselessDict(dict): | |
| 272 """dict with case-insensitive keys. | |
| 273 | |
| 274 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
| 275 def __init__(self, other=None): | |
| 276 if other: | |
| 277 # Doesn't do keyword args | |
| 278 if isinstance(other, dict): | |
| 279 for k,v in other.items(): | |
| 280 dict.__setitem__(self, k.lower(), v) | |
| 281 else: | |
| 282 for k,v in other: | |
| 283 dict.__setitem__(self, k.lower(), v) | |
| 284 def __getitem__(self, key): | |
| 285 return dict.__getitem__(self, key.lower()) | |
| 286 def __setitem__(self, key, value): | |
| 287 dict.__setitem__(self, key.lower(), value) | |
| 288 def __contains__(self, key): | |
| 289 return dict.__contains__(self, key.lower()) | |
| 290 def has_key(self, key): | |
| 291 return dict.has_key(self, key.lower()) | |
| 292 def get(self, key, def_val=None): | |
| 293 return dict.get(self, key.lower(), def_val) | |
| 294 def setdefault(self, key, def_val=None): | |
| 295 return dict.setdefault(self, key.lower(), def_val) | |
| 296 def update(self, other): | |
| 297 for k,v in other.items(): | |
| 298 dict.__setitem__(self, k.lower(), v) | |
| 299 def fromkeys(self, iterable, value=None): | |
| 300 d = CaselessDict() | |
| 301 for k in iterable: | |
| 302 dict.__setitem__(d, k.lower(), value) | |
| 303 return d | |
| 304 def pop(self, key, def_val=None): | |
| 305 return dict.pop(self, key.lower(), def_val) | |
| 306 | |
| 307 class NotSettableError(Exception): | |
| 308 None | |
| 309 | |
| 310 class Parser(object): | |
| 311 comment_def = "--" + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) | |
| 312 def __init__(self, scanner, retainSeparator=True): | |
| 313 self.scanner = scanner | |
| 314 self.scanner.ignore(pyparsing.sglQuotedString) | |
| 315 self.scanner.ignore(pyparsing.dblQuotedString) | |
| 316 self.scanner.ignore(self.comment_def) | |
| 317 self.scanner.ignore(pyparsing.cStyleComment) | |
| 318 self.retainSeparator = retainSeparator | |
| 319 def separate(self, txt): | |
| 320 itms = [] | |
| 321 for (sqlcommand, start, end) in self.scanner.scanString(txt): | |
| 322 if sqlcommand: | |
| 323 if type(sqlcommand[0]) == pyparsing.ParseResults: | |
| 324 if self.retainSeparator: | |
| 325 itms.append("".join(sqlcommand[0])) | |
| 326 else: | |
| 327 itms.append(sqlcommand[0][0]) | |
| 328 else: | |
| 329 if sqlcommand[0]: | |
| 330 itms.append(sqlcommand[0]) | |
| 331 return itms | |
| 332 | |
| 333 pipeSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal('|') ^ pyparsing.StringEnd()), include=True), retainSeparator=False) | |
| 334 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) | |
| 335 commandSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal(';') ^ pyparsing.StringEnd()), include=True)) | |
| 336 | |
| 337 def findBinds(target, existingBinds, givenBindVars = {}): | |
| 338 result = givenBindVars | |
| 339 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
| 340 varname = finding[1] | |
| 341 try: | |
| 342 result[varname] = existingBinds[varname] | |
| 343 except KeyError: | |
| 344 if not givenBindVars.has_key(varname): | |
| 345 print 'Bind variable %s not defined.' % (varname) | |
| 346 return result | |
| 347 | |
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348 class HistoryItem(str): |
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349 def __init__(self, instr): |
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350 str.__init__(self, instr) |
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351 self.lowercase = self.lower() |
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352 self.idx = None |
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353 def pr(self): |
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354 print '-------------------------[%d]' % (self.idx) |
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355 print self |
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356 |
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357 class History(list): |
| 8 | 358 rangeFrom = re.compile(r'^([\d])+\s*\-$') |
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359 def append(self, new): |
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360 new = HistoryItem(new) |
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361 list.append(self, new) |
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362 new.idx = len(self) |
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363 def extend(self, new): |
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364 for n in new: |
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365 self.append(n) |
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366 def get(self, getme): |
| 8 | 367 try: |
| 368 getme = int(getme) | |
| 369 if getme < 0: | |
| 370 return self[:(-1 * getme)] | |
| 371 else: | |
| 372 return self[getme-1] | |
| 373 except IndexError: | |
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374 return [] |
| 8 | 375 except (ValueError, TypeError): |
| 376 getme = getme.strip() | |
| 377 mtch = self.rangeFrom.search(getme) | |
| 378 if mtch: | |
| 379 return self[(int(mtch.group(1))-1):] | |
|
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380 if getme.startswith(r'/') and getme.endswith(r'/'): |
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381 finder = re.compile(getme[1:-1], re.DOTALL | re.MULTILINE | re.IGNORECASE) |
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382 def isin(hi): |
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383 return finder.search(hi) |
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384 else: |
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385 def isin(hi): |
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386 return (getme.lower() in hi.lowercase) |
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387 return [itm for itm in self if isin(itm)] |
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388 |
| 0 | 389 class sqlpyPlus(sqlpython.sqlpython): |
| 390 def __init__(self): | |
| 391 sqlpython.sqlpython.__init__(self) | |
| 392 self.binds = CaselessDict() | |
| 393 self.sqlBuffer = [] | |
|
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394 self.history = History() |
| 0 | 395 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', 'failover', 'timeout'] # settables must be lowercase |
| 396 self.stdoutBeforeSpool = sys.stdout | |
| 397 self.spoolFile = None | |
| 398 self.autobind = False | |
| 399 self.failover = False | |
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400 self.multiline = '''select insert update delete tselect |
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401 create drop alter'''.split() |
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402 self.excludeFromHistory = '''run r list l history hi ed'''.split() |
| 0 | 403 |
| 404 def default(self, arg, do_everywhere=False): | |
| 405 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
| 406 self.sqlBuffer.append(self.query) | |
| 407 | |
| 408 # overrides cmd's parseline | |
| 409 shortcuts = {'?': 'help', '@': 'getrun', '!': 'shell', ':': 'setbind', '\\': 'psql'} | |
| 410 def parseline(self, line): | |
| 411 """Parse the line into a command name and a string containing | |
| 412 the arguments. Returns a tuple containing (command, args, line). | |
| 413 'command' and 'args' may be None if the line couldn't be parsed. | |
| 414 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" | |
| 415 line = line.strip() | |
| 416 if not line: | |
| 417 return None, None, line | |
| 418 shortcut = self.shortcuts.get(line[0]) | |
| 419 if shortcut: | |
| 420 cmd, arg = shortcut, line[1:].strip() | |
| 421 else: | |
| 422 i, n = 0, len(line) | |
| 423 while i < n and line[i] in self.identchars: i = i+1 | |
| 424 cmd, arg = line[:i], line[i:].strip() | |
| 425 if cmd.lower() in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', | |
| 426 'desc', 'comments') \ | |
| 427 and not hasattr(self, 'curs'): | |
| 428 print 'Not connected.' | |
| 429 return '', '', '' | |
| 430 return cmd, arg, line | |
| 431 | |
| 432 def precmd(self, line): | |
| 433 """Hook method executed just before the command line is | |
| 434 interpreted, but after the input prompt is generated and issued. | |
| 435 Makes commands case-insensitive (but unfortunately does not alter command completion). | |
| 436 """ | |
|
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437 |
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438 ''' |
| 0 | 439 pipedCommands = pipeSeparator.separate(line) |
| 440 if len(pipedCommands) > 1: | |
|
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441 pipefilename = 'sqlpython.pipe.tmp' |
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442 for (idx, pipedCommand) in enumerate(pipedCommands[:-1]): |
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443 savestdout = sys.stdout |
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444 f = open(pipefilename,'w') |
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445 sys.stdout = f |
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446 self.precmd(pipedCommand) |
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447 self.onecmd(pipedCommand) |
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448 self.postcmd(False, pipedCommands[0]) |
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449 f.close() |
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450 sys.stdout = savestdout |
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451 f = os.popen('%s < %s' % (pipedCommands[idx+1], pipefilename)) |
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452 f.read() |
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453 |
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454 ''' |
| 0 | 455 try: |
| 456 args = line.split(None,1) | |
| 457 args[0] = args[0].lower() | |
|
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458 statement = ' '.join(args) |
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459 if args[0] in self.multiline: |
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460 statement = sqlpython.finishStatement(statement) |
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461 return statement |
| 0 | 462 except Exception: |
| 463 return line | |
|
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464 |
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465 def postcmd(self, stop, line): |
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466 """Hook method executed just after a command dispatch is finished.""" |
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467 command = line.split(None,1)[0].lower() |
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468 if command not in self.excludeFromHistory: |
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469 self.history.append(line) |
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470 return stop |
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471 |
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472 def onecmd_plus_hooks(self, line): |
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473 line = self.precmd(line) |
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474 stop = self.onecmd(line) |
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475 stop = self.postcmd(stop, line) |
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476 |
| 0 | 477 def do_shortcuts(self,arg): |
| 478 """Lists available first-character shortcuts | |
| 479 (i.e. '!dir' is equivalent to 'shell dir')""" | |
| 480 for (scchar, scto) in self.shortcuts.items(): | |
| 481 print '%s: %s' % (scchar, scto) | |
| 482 | |
| 483 | |
| 484 def colnames(self): | |
| 485 return [d[0] for d in curs.description] | |
| 486 | |
| 487 def sql_format_itm(self, itm, needsquotes): | |
| 488 if itm is None: | |
| 489 return 'NULL' | |
| 490 if needsquotes: | |
| 491 return "'%s'" % str(itm) | |
| 492 return str(itm) | |
| 493 def output_as_insert_statements(self): | |
| 494 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
| 495 def formatRow(row): | |
| 496 return ','.join(self.sql_format_itm(itm, useq) | |
| 497 for (itm, useq) in zip(row, usequotes)) | |
| 498 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
| 499 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
| 500 for row in self.rows] | |
| 501 return '\n'.join(result) | |
| 502 | |
| 503 def output_row_as_xml(self, row): | |
| 504 result = [' <%s>\n %s\n </%s>' % | |
| 505 (colname.lower(), str('' if (itm is None) else itm), colname.lower()) | |
| 506 for (itm, colname) in zip(row, self.colnames)] | |
| 507 return '\n'.join(result) | |
| 508 def output_as_xml(self): | |
| 509 result = ['<%s>\n%s\n</%s>' % | |
| 510 (self.tblname, self.output_row_as_xml(row), self.tblname) | |
| 511 for row in self.rows] | |
| 512 return '\n'.join(result) | |
| 513 | |
| 514 def output_as_html_table(self): | |
| 515 result = ''.join('<th>%s</th>' % c for c in self.colnames) | |
| 516 result = [' <tr>\n %s\n </tr>' % result] | |
| 517 for row in self.rows: | |
| 518 result.append(' <tr>\n %s\n </tr>' % | |
| 519 (''.join('<td>%s</td>' % | |
| 520 str('' if (itm is None) else itm) | |
| 521 for itm in row))) | |
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522 result = '''<table id="%s"> |
| 0 | 523 %s |
| 524 </table>''' % (self.tblname, '\n'.join(result)) | |
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525 return result |
| 0 | 526 |
| 527 def output_as_list(self, align): | |
| 528 result = [] | |
| 529 colnamelen = max(len(colname) for colname in self.colnames) + 1 | |
| 530 for (idx, row) in enumerate(self.rows): | |
| 531 result.append('\n**** Row: %d' % (idx+1)) | |
| 532 for (itm, colname) in zip(row, self.colnames): | |
| 533 if align: | |
| 534 colname = colname.ljust(colnamelen) | |
| 535 result.append('%s: %s' % (colname, itm)) | |
| 536 return '\n'.join(result) | |
| 537 | |
| 538 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
| 539 def output(self, outformat, rowlimit): | |
| 540 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
| 541 self.colnames = [d[0] for d in self.curs.description] | |
| 542 if outformat == '\\i': | |
| 543 result = self.output_as_insert_statements() | |
| 544 elif outformat == '\\x': | |
| 545 result = self.output_as_xml() | |
| 546 elif outformat == '\\g': | |
| 547 result = self.output_as_list(align=False) | |
| 548 elif outformat == '\\G': | |
| 549 result = self.output_as_list(align=True) | |
| 550 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv | |
| 551 result = [] | |
| 552 if outformat in ('\\s', '\\c'): | |
| 553 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
| 554 for row in self.rows: | |
| 555 result.append(','.join('"%s"' % ('' if itm is None else itm) for itm in row)) | |
| 556 result = '\n'.join(result) | |
| 557 elif outformat == '\\h': | |
| 558 result = self.output_as_html_table() | |
|
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559 elif outformat == '\\t': |
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560 rows = [self.colnames] |
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561 rows.extend(list(self.rows)) |
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562 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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563 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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564 for x in range(len(self.curs.description)): |
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565 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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566 rname = transpr[x][0] |
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567 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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568 transpr[x][0] = rname |
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569 self.debg=transpr |
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570 newdesc[0][0] = 'COLUMN NAME' |
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571 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
| 0 | 572 else: |
| 573 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
| 574 return result | |
| 575 | |
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576 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
| 0 | 577 """Fetch rows from a table. |
| 578 | |
| 579 Limit the number of rows retrieved by appending | |
| 580 an integer after the terminator | |
| 581 (example: SELECT * FROM mytable;10 ) | |
| 582 | |
| 583 Output may be formatted by choosing an alternative terminator | |
| 584 ("help terminators" for details) | |
| 585 """ | |
| 586 bindVarsIn = bindVarsIn or {} | |
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587 self.query = 'select ' + arg |
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588 (self.query, terminator, rowlimit) = sqlpython.findTerminator(self.query) |
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589 if override_terminator: |
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590 terminator = override_terminator |
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591 rowlimit = int(rowlimit or 0) |
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592 try: |
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593 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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594 self.curs.execute(self.query, self.varsUsed) |
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595 self.rows = self.curs.fetchmany(min(self.maxfetch, (rowlimit or self.maxfetch))) |
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596 self.desc = self.curs.description |
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597 self.rc = self.curs.rowcount |
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598 if self.rc > 0: |
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599 print '\n' + self.output(terminator, rowlimit) |
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600 if self.rc == 0: |
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601 print '\nNo rows Selected.\n' |
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602 elif self.rc == 1: |
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603 print '\n1 row selected.\n' |
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604 if self.autobind: |
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605 self.binds.update(dict(zip([d[0] for d in self.desc], self.rows[0]))) |
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606 elif self.rc < self.maxfetch: |
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607 print '\n%d rows selected.\n' % self.rc |
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608 else: |
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609 print '\nSelected Max Num rows (%d)' % self.rc |
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610 except Exception, e: |
|
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611 print e |
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612 import traceback |
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613 traceback.print_exc(file=sys.stdout) |
| 0 | 614 self.sqlBuffer.append(self.query) |
| 615 | |
| 616 def showParam(self, param): | |
| 617 param = param.strip().lower() | |
| 618 if param in self.settable: | |
| 619 val = getattr(self, param) | |
| 620 print '%s: %s' % (param, str(getattr(self, param))) | |
| 621 | |
| 622 def do_show(self, arg): | |
| 623 'Shows value of a (sqlpython, not ORACLE) parameter' | |
| 624 arg = arg.strip().lower() | |
| 625 if arg: | |
| 626 self.showParam(arg) | |
| 627 else: | |
| 628 for param in self.settable: | |
| 629 self.showParam(param) | |
| 630 | |
| 631 def cast(self, current, new): | |
| 632 typ = type(current) | |
| 633 if typ == bool: | |
| 634 new = new.lower() | |
| 635 try: | |
| 636 if (new=='on') or (new[0] in ('y','t')): | |
| 637 return True | |
| 638 return False | |
| 639 except TypeError: | |
| 640 None | |
| 641 try: | |
| 642 return typ(new) | |
| 643 except: | |
| 644 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new) | |
| 645 return current | |
| 646 | |
| 647 def do_set(self, arg): | |
| 648 'Sets a (sqlpython, not ORACLE) parameter' | |
| 649 try: | |
| 650 paramName, val = arg.split(None, 1) | |
| 651 except Exception: | |
| 652 self.do_show(arg) | |
| 653 return | |
| 654 paramName = paramName.lower() | |
| 655 try: | |
| 656 current = getattr(self, paramName) | |
| 657 if callable(current): | |
| 658 raise NotSettableError | |
| 659 except (AttributeError, NotSettableError): | |
| 660 self.fail('set %s' % arg) | |
| 661 return | |
| 662 val = self.cast(current, val.strip(';')) | |
| 663 print paramName, ' - was: ', current | |
| 664 setattr(self, paramName.lower(), val) | |
| 665 print 'now: ', val | |
|
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666 |
|
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667 def do_pull(self, arg): |
|
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668 "Displays source code." |
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669 |
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670 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
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671 print "%s %s.%s" % (object_type, owner, object_name) |
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672 pullQ = pullQueries.get(object_type) |
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673 if pullQ: |
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674 for q in pullQ: |
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675 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
| 0 | 676 |
| 677 def do_describe(self, arg): | |
| 678 "emulates SQL*Plus's DESCRIBE" | |
| 679 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
| 680 print "%s %s.%s" % (object_type, owner, object_name) | |
|
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681 descQ = descQueries.get(object_type) |
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682 if descQ: |
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683 for q in descQ: |
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684 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
| 0 | 685 elif object_type == 'PACKAGE': |
|
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686 self.curs.execute(descQueries['PackageObjects'], {'package_name':object_name, 'owner':owner}) |
| 0 | 687 for (packageObj_name,) in self.curs: |
| 688 print packageObj_name | |
|
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689 self.do_select(descQueries['PackageObjArgs'],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
| 0 | 690 do_desc = do_describe |
| 691 | |
| 692 def do_comments(self, arg): | |
| 693 'Prints comments on a table and its columns.' | |
| 694 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
| 695 if object_type: | |
| 696 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
| 697 print "%s %s.%s: %s" % (object_type, owner, object_name, self.curs.fetchone()[0]) | |
|
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698 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
| 0 | 699 |
| 700 def resolve(self, identifier): | |
| 701 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
| 702 to resolve a database object's name. """ | |
| 703 parts = identifier.split('.') | |
| 704 try: | |
| 705 if len(parts) == 2: | |
| 706 owner, object_name = parts | |
| 707 self.curs.execute('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', | |
| 708 {'owner': owner, 'object_name': object_name}) | |
| 709 object_type = self.curs.fetchone()[0] | |
| 710 elif len(parts) == 1: | |
| 711 object_name = parts[0] | |
| 712 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
| 713 object_type, object_name, owner = self.curs.fetchone() | |
| 714 except TypeError: | |
| 715 print 'Could not resolve object %s.' % identifier | |
| 716 object_type, owner, object_name = '', '', '' | |
| 717 return object_type, owner, object_name | |
| 718 | |
|
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719 def do_resolve(self, arg): |
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720 print self.resolve(arg) |
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721 |
| 0 | 722 def do_shell(self, arg): |
| 723 'execute a command as if at the OS prompt.' | |
| 724 os.system(arg) | |
| 725 | |
| 726 def spoolstop(self): | |
| 727 if self.spoolFile: | |
| 728 sys.stdout = self.stdoutBeforeSpool | |
| 729 print 'Finished spooling to ', self.spoolFile.name | |
| 730 self.spoolFile.close() | |
| 731 self.spoolFile = None | |
| 732 | |
| 733 def do_spool(self, arg): | |
| 734 """spool [filename] - begins redirecting output to FILENAME.""" | |
| 735 self.spoolstop() | |
| 736 arg = arg.strip() | |
| 737 if not arg: | |
| 738 arg = 'output.lst' | |
| 739 if arg.lower() != 'off': | |
| 740 if '.' not in arg: | |
| 741 arg = '%s.lst' % arg | |
| 742 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
| 743 self.spoolFile = open(arg, 'w') | |
| 744 sys.stdout = self.spoolFile | |
| 745 | |
| 746 def write(self, arg, fname): | |
| 747 originalOut = sys.stdout | |
| 748 f = open(fname, 'w') | |
| 749 sys.stdout = f | |
|
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750 self.onecmd_plus_hooks(arg) |
| 0 | 751 f.close() |
| 752 sys.stdout = originalOut | |
| 753 | |
| 754 def do_write(self, args): | |
| 755 'write [filename.extension] query - writes result to a file' | |
| 756 words = args.split(None, 1) | |
| 757 if len(words) > 1 and '.' in words[0]: | |
| 758 fname, command = words | |
| 759 else: | |
| 760 fname, command = 'output.txt', args | |
| 761 self.write(command, fname) | |
| 762 print 'Results written to %s' % os.path.join(os.getcwd(), fname) | |
| 763 | |
| 764 def do_compare(self, args): | |
| 765 """COMPARE query1 TO query2 - uses external tool to display differences. | |
| 766 | |
| 767 Sorting is recommended to avoid false hits.""" | |
| 768 fnames = [] | |
| 769 args2 = args.split(' to ') | |
| 770 for n in range(len(args2)): | |
| 771 query = args2[n] | |
| 772 fnames.append('compare%s.txt' % n) | |
| 773 if query.rstrip()[-1] != self.terminator: | |
| 774 query = '%s%s' % (query, self.terminator) | |
| 775 self.write(query, fnames[n]) | |
| 776 diffMergeSearcher.invoke(fnames[0], fnames[1]) | |
| 777 | |
| 778 bufferPosPattern = re.compile('\d+') | |
| 779 rangeIndicators = ('-',':') | |
|
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780 |
| 0 | 781 def do_run(self, arg): |
|
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782 """run [arg]: re-runs an earlier command |
|
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|
783 |
|
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|
784 no arg -> run most recent command |
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785 arg is integer -> run one history item, by index |
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786 arg is string -> run most recent command by string search |
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787 arg is /enclosed in forward-slashes/ -> run most recent by regex |
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|
788 """ |
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789 'run [N]: runs the SQL that was run N commands ago' |
|
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790 runme = self.last_matching(arg) |
|
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791 print runme |
|
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792 self.onecmd_plus_hooks(runme) |
|
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793 do_r = do_run |
|
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794 def do_history(self, arg): |
|
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795 """history [arg]: lists past commands issued |
|
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|
796 |
|
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797 no arg -> list all |
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798 arg is integer -> list one history item, by index |
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799 arg is string -> string search |
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800 arg is /enclosed in forward-slashes/ -> regular expression search |
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801 """ |
|
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|
802 if arg: |
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803 history = self.history.get(arg) |
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|
804 else: |
|
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805 history = self.history |
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806 for hi in history: |
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|
807 hi.pr() |
|
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808 def last_matching(self, arg): |
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809 try: |
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810 if arg: |
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811 return self.history.get(arg)[-1] |
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812 else: |
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813 return self.history[-1] |
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|
814 except: |
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815 return None |
| 0 | 816 def do_list(self, arg): |
|
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817 """list [arg]: lists last command issued |
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|
818 |
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|
819 no arg -> list absolute last |
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820 arg is integer -> list one history item, by index |
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821 - arg, arg - (integer) -> list up to or after #arg |
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822 arg is string -> list last command matching string search |
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823 arg is /enclosed in forward-slashes/ -> regular expression search |
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824 """ |
|
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|
825 try: |
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826 self.last_matching(arg).pr() |
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|
827 except: |
|
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|
828 pass |
|
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829 do_hi = do_history |
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830 do_l = do_list |
|
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831 do_li = do_list |
| 0 | 832 def load(self, fname): |
| 833 """Pulls command(s) into sql buffer. Returns number of commands loaded.""" | |
| 834 try: | |
| 835 f = open(fname, 'r') | |
| 836 except IOError, e: | |
| 837 try: | |
| 838 f = open('%s.sql' % fname, 'r') | |
| 839 except: | |
| 840 print 'Problem opening file %s: \n%s' % (fname, e) | |
| 841 return 0 | |
| 842 txt = f.read() | |
| 843 f.close() | |
|
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844 result = commandSeparator.separate(txt) |
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845 self.history.extend(result) |
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846 return len(result) |
| 0 | 847 def do_ed(self, arg): |
| 848 'ed [N]: brings up SQL from N commands ago in text editor, and puts result in SQL buffer.' | |
|
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849 fname = 'sqlpython_temp.sql' |
|
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850 buffer = self.last_matching(arg) |
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851 if not buffer: |
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852 print 'Nothing appropriate in buffer to edit.' |
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853 return |
| 0 | 854 f = open(fname, 'w') |
| 855 f.write(buffer) | |
| 856 f.close() | |
| 857 editSearcher.invoke(fname) | |
| 858 self.load(fname) | |
| 859 do_edit = do_ed | |
| 860 def do_get(self, fname): | |
| 861 'Brings SQL commands from a file to the in-memory SQL buffer.' | |
|
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862 numCommandsLoaded = self.load(fname) |
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863 if numCommandsLoaded: |
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864 self.do_list('%d -' % (len(self.history) - numCommandsLoaded)) |
| 0 | 865 def do_getrun(self, fname): |
| 866 'Brings SQL commands from a file to the in-memory SQL buffer, and executes them.' | |
|
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867 numCommandsLoaded = self.load(fname) * -1 |
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868 if numCommandsLoaded: |
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869 for command in self.history[numCommandsLoaded:]: |
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870 self.onecmd_plus_hooks(command) |
| 0 | 871 def do_psql(self, arg): |
| 872 '''Shortcut commands emulating psql's backslash commands. | |
| 873 | |
| 874 \c connect | |
| 875 \d desc | |
| 876 \e edit | |
| 877 \g run | |
| 878 \h help | |
| 879 \i getrun | |
| 880 \o spool | |
| 881 \p list | |
| 882 \w save | |
| 883 \? help psql''' | |
| 884 commands = {} | |
| 885 for c in self.do_psql.__doc__.splitlines()[2:]: | |
| 886 (abbrev, command) = c.split(None, 1) | |
| 887 commands[abbrev[1:]] = command | |
| 888 words = arg.split(None,1) | |
| 889 abbrev = words[0] | |
| 890 try: | |
| 891 args = words[1] | |
| 892 except IndexError: | |
| 893 args = '' | |
| 894 try: | |
| 895 self.onecmd('%s %s' % (commands[abbrev], args)) | |
| 896 self.onecmd('q') | |
| 897 except KeyError: | |
| 898 print 'psql command \%s not yet supported.' % abbrev | |
| 899 def do_save(self, fname): | |
| 900 'save FILENAME: Saves most recent SQL command to disk.' | |
|
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901 try: |
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902 f = open(fname, 'w') |
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903 f.write(self.sqlBuffer[-1]) |
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904 f.close() |
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905 except Exception, e: |
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906 print 'Error saving %s: %s' % (fname, str(e)) |
| 0 | 907 |
| 908 def do_print(self, arg): | |
| 909 'print VARNAME: Show current value of bind variable VARNAME.' | |
| 910 if arg: | |
| 911 if arg[0] == ':': | |
| 912 arg = arg[1:] | |
| 913 try: | |
| 914 print self.binds[arg] | |
| 915 except KeyError: | |
| 916 print 'No bind variable ', arg | |
| 917 else: | |
| 918 self.do_setbind('') | |
| 919 def do_setbind(self, arg): | |
| 920 args = arg.split(None, 2) | |
| 921 if len(args) == 0: | |
| 922 for (var, val) in self.binds.items(): | |
| 923 print ':%s = %s' % (var, val) | |
| 924 elif len(args) == 1: | |
| 925 try: | |
| 926 print ':%s = %s' % (args[0], self.binds[args[0]]) | |
| 927 except KeyError, e: | |
| 928 print noSuchBindMsg % args[0] | |
| 929 elif len(args) > 2 and args[1] in ('=',':='): | |
| 930 var, val = args[0], args[2] | |
| 931 if val[0] == val[-1] == "'" and len(val) > 1: | |
| 932 val = val[1:-1] | |
| 933 self.binds[var] = val | |
| 934 else: | |
| 935 print 'Could not parse ', args | |
| 936 def do_exec(self, arg): | |
| 937 if arg[0] == ':': | |
| 938 self.do_setbind(arg[1:]) | |
| 939 else: | |
| 940 self.default('exec %s' % arg) | |
|
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941 |
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942 def do_cat(self, arg): |
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943 targets = arg.split() |
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944 for target in targets: |
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945 self.do_select('* from %s' % target) |
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946 |
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947 def do_grep(self, arg): |
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948 """grep PATTERN TABLE - search for term in any of TABLE's fields""" |
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949 targets = arg.split() |
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950 pattern = targets.pop(0) |
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951 for target in targets: |
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952 sql = [] |
|
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953 print 'select * from %s where 1=0' % target |
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954 try: |
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955 self.curs.execute('select * from %s where 1=0' % target) |
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956 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) |
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957 sql = '* FROM %s WHERE %s' % (target, sql) |
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958 self.do_select(sql) |
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959 except Exception, e: |
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960 print e |
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961 import traceback |
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962 traceback.print_exc(file=sys.stdout) |
|
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963 |
| 0 | 964 def _test(): |
| 965 import doctest | |
| 966 doctest.testmod() | |
| 967 | |
| 968 if __name__ == "__main__": | |
| 969 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
| 970 _test() |