Mercurial > sqlpython
annotate sqlpyPlus.py @ 40:1fb9f7dee7d8
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author | devlinjs@FA7CZA6N1254998.wrightpatterson.afmc.ds.af.mil |
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date | Fri, 18 Jan 2008 15:07:10 -0500 |
parents | 5d29e6a21c6f |
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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 descQueries = { |
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30 'TABLE': (""" |
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31 atc.column_name, |
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32 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", |
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33 atc.data_type || |
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34 CASE atc.data_type WHEN 'DATE' THEN '' |
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35 ELSE '(' || |
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36 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || |
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37 CASE atc.data_scale WHEN 0 THEN '' |
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38 ELSE ',' || TO_CHAR(atc.data_scale) END |
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39 ELSE TO_CHAR(atc.data_length) END |
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40 END || |
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41 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END |
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42 data_type |
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43 FROM all_tab_columns atc |
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44 WHERE atc.table_name = :object_name |
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45 AND atc.owner = :owner |
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46 ORDER BY atc.column_id;""",), |
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47 'PROCEDURE': (""" |
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48 argument_name, |
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49 data_type, |
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50 in_out, |
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51 default_value |
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52 FROM all_arguments |
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53 WHERE object_name = :object_name |
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54 AND owner = :owner |
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55 AND package_name IS NULL |
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56 AND argument_name IS NOT NULL |
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57 ORDER BY sequence;""",), |
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58 'PackageObjects':(""" |
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59 SELECT DISTINCT object_name |
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60 FROM all_arguments |
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61 WHERE package_name = :package_name |
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62 AND owner = :owner""",), |
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63 'PackageObjArgs':(""" |
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64 object_name, |
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65 argument_name, |
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66 data_type, |
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67 in_out, |
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68 default_value |
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69 FROM all_arguments |
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70 WHERE package_name = :package_name |
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71 AND object_name = :object_name |
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72 AND owner = :owner |
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73 AND argument_name IS NOT NULL |
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74 ORDER BY sequence""",), |
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75 'TRIGGER':(""" |
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76 description |
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77 FROM all_triggers |
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78 WHERE owner = :owner |
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79 AND trigger_name = :object_name |
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80 """, |
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81 """ |
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82 table_owner, |
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83 base_object_type, |
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84 table_name, |
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85 column_name, |
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86 when_clause, |
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87 status, |
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88 action_type, |
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89 crossedition |
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90 FROM all_triggers |
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91 WHERE owner = :owner |
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92 AND trigger_name = :object_name |
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93 \\t |
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94 """, |
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95 ), |
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96 'INDEX':(""" |
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97 index_type, |
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98 table_owner, |
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99 table_name, |
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100 table_type, |
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101 uniqueness, |
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102 compression, |
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103 partitioned, |
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104 temporary, |
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105 generated, |
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106 secondary, |
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107 dropped, |
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108 visibility |
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109 FROM all_indexes |
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110 WHERE owner = :owner |
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111 AND index_name = :object_name |
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112 \\t |
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113 """,) |
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114 } |
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115 descQueries['VIEW'] = descQueries['TABLE'] |
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116 descQueries['FUNCTION'] = descQueries['PROCEDURE'] |
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117 |
0 | 118 queries = { |
119 'resolve': """ | |
120 SELECT object_type, object_name, owner FROM ( | |
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121 SELECT object_type, object_name, user owner, 1 priority |
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122 FROM user_objects |
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123 WHERE object_name = :objName |
0 | 124 UNION ALL |
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125 SELECT ao.object_type, ao.object_name, ao.owner, 2 priority |
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126 FROM all_objects ao |
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127 JOIN user_synonyms us ON (us.table_owner = ao.owner AND us.table_name = ao.object_name) |
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128 WHERE us.synonym_name = :objName |
0 | 129 AND ao.object_type != 'SYNONYM' |
130 UNION ALL | |
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131 SELECT ao.object_type, ao.object_name, ao.owner, 3 priority |
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132 FROM all_objects ao |
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133 JOIN all_synonyms asyn ON (asyn.table_owner = ao.owner AND asyn.table_name = ao.object_name) |
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134 WHERE asyn.synonym_name = :objName |
0 | 135 AND ao.object_type != 'SYNONYM' |
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136 AND asyn.owner = 'PUBLIC' |
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137 UNION ALL |
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138 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority |
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139 FROM all_directories dir |
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140 WHERE dir.directory_name = :objName |
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141 UNION ALL |
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142 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority |
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143 FROM all_db_links dbl |
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144 WHERE dbl.db_link = :objName |
0 | 145 ) ORDER BY priority ASC""", |
146 'tabComments': """ | |
147 SELECT comments | |
148 FROM all_tab_comments | |
149 WHERE owner = :owner | |
150 AND table_name = :table_name""", | |
151 'colComments': """ | |
152 atc.column_name, | |
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153 acc.comments |
0 | 154 FROM all_tab_columns atc |
155 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
156 WHERE atc.table_name = :object_name | |
157 AND atc.owner = :owner | |
158 ORDER BY atc.column_id;""", | |
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159 #thanks to Senora.pm for "refs" |
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160 'refs': """ |
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161 NULL referenced_by, |
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162 c2.table_name references, |
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163 c1.constraint_name constraint |
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164 FROM |
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165 user_constraints c1, |
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166 user_constraints c2 |
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167 WHERE |
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168 c1.table_name = :object_name |
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169 and c1.constraint_type ='R' |
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170 and c1.r_constraint_name = c2.constraint_name |
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171 and c1.r_owner = c2.owner |
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172 and c1.owner = :owner |
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173 UNION |
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174 SELECT c1.table_name referenced_by, |
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175 NULL references, |
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176 c1.constraint_name constraint |
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177 FROM |
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178 user_constraints c1, |
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179 user_constraints c2 |
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180 WHERE |
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181 c2.table_name = :object_name |
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182 and c1.constraint_type ='R' |
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183 and c1.r_constraint_name = c2.constraint_name |
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184 and c1.r_owner = c2.owner |
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185 and c1.owner = :owner |
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186 """ |
0 | 187 } |
188 | |
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189 import sys, os, re, sqlpython, cx_Oracle, pyparsing |
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190 from cmd2 import flagReader |
0 | 191 |
192 if float(sys.version[:3]) < 2.3: | |
193 def enumerate(lst): | |
194 return zip(range(len(lst)), lst) | |
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195 |
0 | 196 class SoftwareSearcher(object): |
197 def __init__(self, softwareList, purpose): | |
198 self.softwareList = softwareList | |
199 self.purpose = purpose | |
200 self.software = None | |
201 def invoke(self, *args): | |
202 if not self.software: | |
203 (self.software, self.invokeString) = self.find() | |
204 argTuple = tuple([self.software] + list(args)) | |
205 os.system(self.invokeString % argTuple) | |
206 def find(self): | |
207 if self.purpose == 'text editor': | |
208 software = os.environ.get('EDITOR') | |
209 if software: | |
210 return (software, '%s %s') | |
211 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
212 if os.path.exists(software): | |
213 if n > (len(self.softwareList) * 0.7): | |
214 print """ | |
215 | |
216 Using %s. Note that there are better options available for %s, | |
217 but %s couldn't find a better one in your PATH. | |
218 Feel free to open up %s | |
219 and customize it to find your favorite %s program. | |
220 | |
221 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
222 return (software, invokeString) | |
223 stem = os.path.split(software)[1] | |
224 for p in os.environ['PATH'].split(os.pathsep): | |
225 if os.path.exists(os.sep.join([p, stem])): | |
226 return (stem, invokeString) | |
227 raise (OSError, """Could not find any %s programs. You will need to install one, | |
228 or customize %s to make it aware of yours. | |
229 Looked for these programs: | |
230 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
231 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) | |
232 | |
233 softwareLists = { | |
234 'diff/merge': [ | |
235 ('/usr/bin/meld',"%s %s %s"), | |
236 ('/usr/bin/kdiff3',"%s %s %s"), | |
237 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
238 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
239 ('FileMerge','%s %s %s'), | |
240 ('kompare','%s %s %s'), | |
241 ('WinMerge','%s %s %s'), | |
242 ('xxdiff','%s %s %s'), | |
243 ('fldiff','%s %s %s'), | |
244 ('gtkdiff','%s %s %s'), | |
245 ('tkdiff','%s %s %s'), | |
246 ('gvimdiff','%s %s %s'), | |
247 ('diff',"%s %s %s"), | |
248 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
249 'text editor': [ | |
250 ('gedit', '%s %s'), | |
251 ('textpad', '%s %s'), | |
252 ('notepad.exe', '%s %s'), | |
253 ('pico', '%s %s'), | |
254 ('emacs', '%s %s'), | |
255 ('vim', '%s %s'), | |
256 ('vi', '%s %s'), | |
257 ('ed', '%s %s'), | |
258 ('edlin', '%s %s') | |
259 ] | |
260 } | |
261 | |
262 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
263 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
264 editor = os.environ.get('EDITOR') | |
265 if editor: | |
266 editSearcher.find = lambda: (editor, "%s %s") | |
267 | |
268 class CaselessDict(dict): | |
269 """dict with case-insensitive keys. | |
270 | |
271 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
272 def __init__(self, other=None): | |
273 if other: | |
274 # Doesn't do keyword args | |
275 if isinstance(other, dict): | |
276 for k,v in other.items(): | |
277 dict.__setitem__(self, k.lower(), v) | |
278 else: | |
279 for k,v in other: | |
280 dict.__setitem__(self, k.lower(), v) | |
281 def __getitem__(self, key): | |
282 return dict.__getitem__(self, key.lower()) | |
283 def __setitem__(self, key, value): | |
284 dict.__setitem__(self, key.lower(), value) | |
285 def __contains__(self, key): | |
286 return dict.__contains__(self, key.lower()) | |
287 def has_key(self, key): | |
288 return dict.has_key(self, key.lower()) | |
289 def get(self, key, def_val=None): | |
290 return dict.get(self, key.lower(), def_val) | |
291 def setdefault(self, key, def_val=None): | |
292 return dict.setdefault(self, key.lower(), def_val) | |
293 def update(self, other): | |
294 for k,v in other.items(): | |
295 dict.__setitem__(self, k.lower(), v) | |
296 def fromkeys(self, iterable, value=None): | |
297 d = CaselessDict() | |
298 for k in iterable: | |
299 dict.__setitem__(d, k.lower(), value) | |
300 return d | |
301 def pop(self, key, def_val=None): | |
302 return dict.pop(self, key.lower(), def_val) | |
303 | |
304 class Parser(object): | |
305 comment_def = "--" + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) | |
306 def __init__(self, scanner, retainSeparator=True): | |
307 self.scanner = scanner | |
308 self.scanner.ignore(pyparsing.sglQuotedString) | |
309 self.scanner.ignore(pyparsing.dblQuotedString) | |
310 self.scanner.ignore(self.comment_def) | |
311 self.scanner.ignore(pyparsing.cStyleComment) | |
312 self.retainSeparator = retainSeparator | |
313 def separate(self, txt): | |
314 itms = [] | |
315 for (sqlcommand, start, end) in self.scanner.scanString(txt): | |
316 if sqlcommand: | |
317 if type(sqlcommand[0]) == pyparsing.ParseResults: | |
318 if self.retainSeparator: | |
319 itms.append("".join(sqlcommand[0])) | |
320 else: | |
321 itms.append(sqlcommand[0][0]) | |
322 else: | |
323 if sqlcommand[0]: | |
324 itms.append(sqlcommand[0]) | |
325 return itms | |
326 | |
327 pipeSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal('|') ^ pyparsing.StringEnd()), include=True), retainSeparator=False) | |
328 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) | |
329 commandSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal(';') ^ pyparsing.StringEnd()), include=True)) | |
330 | |
331 def findBinds(target, existingBinds, givenBindVars = {}): | |
332 result = givenBindVars | |
333 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
334 varname = finding[1] | |
335 try: | |
336 result[varname] = existingBinds[varname] | |
337 except KeyError: | |
338 if not givenBindVars.has_key(varname): | |
339 print 'Bind variable %s not defined.' % (varname) | |
340 return result | |
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341 |
0 | 342 class sqlpyPlus(sqlpython.sqlpython): |
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343 defaultExtension = 'sql' |
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344 multilineCommands = '''select insert update delete tselect |
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345 create drop alter'''.split() |
0 | 346 def __init__(self): |
347 sqlpython.sqlpython.__init__(self) | |
348 self.binds = CaselessDict() | |
349 self.sqlBuffer = [] | |
350 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', 'failover', 'timeout'] # settables must be lowercase | |
351 self.stdoutBeforeSpool = sys.stdout | |
352 self.spoolFile = None | |
353 self.autobind = False | |
354 self.failover = False | |
355 def default(self, arg, do_everywhere=False): | |
356 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
357 self.sqlBuffer.append(self.query) | |
358 | |
359 # overrides cmd's parseline | |
360 shortcuts = {'?': 'help', '@': 'getrun', '!': 'shell', ':': 'setbind', '\\': 'psql'} | |
361 def parseline(self, line): | |
362 """Parse the line into a command name and a string containing | |
363 the arguments. Returns a tuple containing (command, args, line). | |
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364 'command' and 'args' may be None if the line couldn't be parsed. |
0 | 365 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" |
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366 |
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367 cmd, arg. line = sqlpython.parseline(self, line) |
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368 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', |
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369 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ |
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370 and not hasattr(self, 'curs'): |
0 | 371 print 'Not connected.' |
372 return '', '', '' | |
373 return cmd, arg, line | |
374 | |
375 def precmd(self, line): | |
376 """Hook method executed just before the command line is | |
377 interpreted, but after the input prompt is generated and issued. | |
378 Makes commands case-insensitive (but unfortunately does not alter command completion). | |
379 """ | |
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380 |
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381 ''' |
0 | 382 pipedCommands = pipeSeparator.separate(line) |
383 if len(pipedCommands) > 1: | |
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384 pipefilename = 'sqlpython.pipe.tmp' |
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385 for (idx, pipedCommand) in enumerate(pipedCommands[:-1]): |
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386 savestdout = sys.stdout |
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387 f = open(pipefilename,'w') |
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388 sys.stdout = f |
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389 self.precmd(pipedCommand) |
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390 self.onecmd(pipedCommand) |
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391 self.postcmd(False, pipedCommands[0]) |
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392 f.close() |
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393 sys.stdout = savestdout |
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394 f = os.popen('%s < %s' % (pipedCommands[idx+1], pipefilename)) |
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395 f.read() |
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396 |
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397 ''' |
0 | 398 try: |
399 args = line.split(None,1) | |
400 args[0] = args[0].lower() | |
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401 statement = ' '.join(args) |
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402 if args[0] in self.multiline: |
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403 statement = sqlpython.finishStatement(statement) |
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404 return statement |
0 | 405 except Exception: |
406 return line | |
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407 |
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408 def onecmd_plus_hooks(self, line): |
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409 line = self.precmd(line) |
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410 stop = self.onecmd(line) |
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411 stop = self.postcmd(stop, line) |
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412 |
0 | 413 def do_shortcuts(self,arg): |
414 """Lists available first-character shortcuts | |
415 (i.e. '!dir' is equivalent to 'shell dir')""" | |
416 for (scchar, scto) in self.shortcuts.items(): | |
417 print '%s: %s' % (scchar, scto) | |
418 | |
419 def colnames(self): | |
420 return [d[0] for d in curs.description] | |
421 | |
422 def sql_format_itm(self, itm, needsquotes): | |
423 if itm is None: | |
424 return 'NULL' | |
425 if needsquotes: | |
426 return "'%s'" % str(itm) | |
427 return str(itm) | |
428 def output_as_insert_statements(self): | |
429 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
430 def formatRow(row): | |
431 return ','.join(self.sql_format_itm(itm, useq) | |
432 for (itm, useq) in zip(row, usequotes)) | |
433 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
434 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
435 for row in self.rows] | |
436 return '\n'.join(result) | |
437 | |
438 def output_row_as_xml(self, row): | |
439 result = [' <%s>\n %s\n </%s>' % | |
440 (colname.lower(), str('' if (itm is None) else itm), colname.lower()) | |
441 for (itm, colname) in zip(row, self.colnames)] | |
442 return '\n'.join(result) | |
443 def output_as_xml(self): | |
444 result = ['<%s>\n%s\n</%s>' % | |
445 (self.tblname, self.output_row_as_xml(row), self.tblname) | |
446 for row in self.rows] | |
447 return '\n'.join(result) | |
448 | |
449 def output_as_html_table(self): | |
450 result = ''.join('<th>%s</th>' % c for c in self.colnames) | |
451 result = [' <tr>\n %s\n </tr>' % result] | |
452 for row in self.rows: | |
453 result.append(' <tr>\n %s\n </tr>' % | |
454 (''.join('<td>%s</td>' % | |
455 str('' if (itm is None) else itm) | |
456 for itm in row))) | |
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457 result = '''<table id="%s"> |
0 | 458 %s |
459 </table>''' % (self.tblname, '\n'.join(result)) | |
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460 return result |
0 | 461 |
462 def output_as_list(self, align): | |
463 result = [] | |
464 colnamelen = max(len(colname) for colname in self.colnames) + 1 | |
465 for (idx, row) in enumerate(self.rows): | |
466 result.append('\n**** Row: %d' % (idx+1)) | |
467 for (itm, colname) in zip(row, self.colnames): | |
468 if align: | |
469 colname = colname.ljust(colnamelen) | |
470 result.append('%s: %s' % (colname, itm)) | |
471 return '\n'.join(result) | |
472 | |
473 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
474 def output(self, outformat, rowlimit): | |
475 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
476 self.colnames = [d[0] for d in self.curs.description] | |
477 if outformat == '\\i': | |
478 result = self.output_as_insert_statements() | |
479 elif outformat == '\\x': | |
480 result = self.output_as_xml() | |
481 elif outformat == '\\g': | |
482 result = self.output_as_list(align=False) | |
483 elif outformat == '\\G': | |
484 result = self.output_as_list(align=True) | |
485 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv | |
486 result = [] | |
487 if outformat in ('\\s', '\\c'): | |
488 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
489 for row in self.rows: | |
490 result.append(','.join('"%s"' % ('' if itm is None else itm) for itm in row)) | |
491 result = '\n'.join(result) | |
492 elif outformat == '\\h': | |
493 result = self.output_as_html_table() | |
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494 elif outformat == '\\t': |
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495 rows = [self.colnames] |
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496 rows.extend(list(self.rows)) |
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497 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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498 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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499 for x in range(len(self.curs.description)): |
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500 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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501 rname = transpr[x][0] |
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502 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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503 transpr[x][0] = rname |
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504 self.debg=transpr |
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505 newdesc[0][0] = 'COLUMN NAME' |
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506 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
0 | 507 else: |
508 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
509 return result | |
510 | |
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511 def findTerminator(statement): |
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512 m = self.statementEndPattern.search(statement) |
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513 if m: |
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514 return m.groups() |
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515 else: |
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516 return statement, None, None |
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517 |
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518 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
0 | 519 """Fetch rows from a table. |
520 | |
521 Limit the number of rows retrieved by appending | |
522 an integer after the terminator | |
523 (example: SELECT * FROM mytable;10 ) | |
524 | |
525 Output may be formatted by choosing an alternative terminator | |
526 ("help terminators" for details) | |
527 """ | |
528 bindVarsIn = bindVarsIn or {} | |
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529 self.query = 'select ' + arg |
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530 (self.query, terminator, rowlimit) = self.findTerminator(self.query) |
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531 if override_terminator: |
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532 terminator = override_terminator |
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533 rowlimit = int(rowlimit or 0) |
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534 try: |
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535 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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536 self.curs.execute(self.query, self.varsUsed) |
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537 self.rows = self.curs.fetchmany(min(self.maxfetch, (rowlimit or self.maxfetch))) |
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538 self.desc = self.curs.description |
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539 self.rc = self.curs.rowcount |
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540 if self.rc > 0: |
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541 print '\n' + self.output(terminator, rowlimit) |
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542 if self.rc == 0: |
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543 print '\nNo rows Selected.\n' |
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544 elif self.rc == 1: |
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545 print '\n1 row selected.\n' |
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546 if self.autobind: |
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547 self.binds.update(dict(zip([d[0] for d in self.desc], self.rows[0]))) |
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548 elif self.rc < self.maxfetch: |
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549 print '\n%d rows selected.\n' % self.rc |
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550 else: |
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551 print '\nSelected Max Num rows (%d)' % self.rc |
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552 except Exception, e: |
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553 print e |
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554 import traceback |
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555 traceback.print_exc(file=sys.stdout) |
0 | 556 self.sqlBuffer.append(self.query) |
557 | |
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558 pullflags = flagReader.FlagSet([flagReader.Flag('full')]) |
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559 def do_pull(self, arg): |
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560 """Displays source code. |
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561 |
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562 --full, -f: get dependent objects as well""" |
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563 |
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564 options, arg = self.pullflags.parse(arg) |
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565 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
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566 print "%s %s.%s" % (object_type, owner, object_name) |
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567 print self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, |
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568 [object_type, object_name, owner]) |
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569 if options.has_key('full'): |
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570 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): |
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571 try: |
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572 print self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
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573 [dependent_type, object_name, owner]) |
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574 except cx_Oracle.DatabaseError: |
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575 pass |
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576 |
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577 findflags = flagReader.FlagSet([flagReader.Flag('insensitive')]) |
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578 def do_find(self, arg): |
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579 """Finds argument in source code. |
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580 |
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581 --insensitive, -i: case-insensitive search""" |
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582 |
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583 options, arg = self.findflags.parse(arg) |
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584 if options.has_key('insensitive'): |
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585 searchfor = "LOWER(text)" |
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586 arg = arg.lower() |
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587 else: |
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588 searchfor = "text" |
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589 self.do_select("* from all_source where %s like '%%%s%%'" % (searchfor, arg)) |
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590 |
0 | 591 def do_describe(self, arg): |
592 "emulates SQL*Plus's DESCRIBE" | |
593 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
594 print "%s %s.%s" % (object_type, owner, object_name) | |
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595 descQ = descQueries.get(object_type) |
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596 if descQ: |
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597 for q in descQ: |
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598 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
0 | 599 elif object_type == 'PACKAGE': |
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600 self.curs.execute(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) |
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601 packageContents = self.curs.fetchall() |
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602 for (packageObj_name,) in packageContents: |
0 | 603 print packageObj_name |
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604 self.do_select(descQueries['PackageObjArgs'][0],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
0 | 605 do_desc = do_describe |
606 | |
607 def do_comments(self, arg): | |
608 'Prints comments on a table and its columns.' | |
609 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
610 if object_type: | |
611 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
612 print "%s %s.%s: %s" % (object_type, owner, object_name, self.curs.fetchone()[0]) | |
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613 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
0 | 614 |
615 def resolve(self, identifier): | |
616 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
617 to resolve a database object's name. """ | |
618 parts = identifier.split('.') | |
619 try: | |
620 if len(parts) == 2: | |
621 owner, object_name = parts | |
622 self.curs.execute('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', | |
623 {'owner': owner, 'object_name': object_name}) | |
624 object_type = self.curs.fetchone()[0] | |
625 elif len(parts) == 1: | |
626 object_name = parts[0] | |
627 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
628 object_type, object_name, owner = self.curs.fetchone() | |
629 except TypeError: | |
630 print 'Could not resolve object %s.' % identifier | |
631 object_type, owner, object_name = '', '', '' | |
632 return object_type, owner, object_name | |
633 | |
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634 def do_resolve(self, arg): |
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635 print self.resolve(arg) |
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636 |
0 | 637 def spoolstop(self): |
638 if self.spoolFile: | |
639 sys.stdout = self.stdoutBeforeSpool | |
640 print 'Finished spooling to ', self.spoolFile.name | |
641 self.spoolFile.close() | |
642 self.spoolFile = None | |
643 | |
644 def do_spool(self, arg): | |
645 """spool [filename] - begins redirecting output to FILENAME.""" | |
646 self.spoolstop() | |
647 arg = arg.strip() | |
648 if not arg: | |
649 arg = 'output.lst' | |
650 if arg.lower() != 'off': | |
651 if '.' not in arg: | |
652 arg = '%s.lst' % arg | |
653 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
654 self.spoolFile = open(arg, 'w') | |
655 sys.stdout = self.spoolFile | |
656 | |
657 def write(self, arg, fname): | |
658 originalOut = sys.stdout | |
659 f = open(fname, 'w') | |
660 sys.stdout = f | |
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661 self.onecmd_plus_hooks(arg) |
0 | 662 f.close() |
663 sys.stdout = originalOut | |
664 | |
665 def do_write(self, args): | |
666 'write [filename.extension] query - writes result to a file' | |
667 words = args.split(None, 1) | |
668 if len(words) > 1 and '.' in words[0]: | |
669 fname, command = words | |
670 else: | |
671 fname, command = 'output.txt', args | |
672 self.write(command, fname) | |
673 print 'Results written to %s' % os.path.join(os.getcwd(), fname) | |
674 | |
675 def do_compare(self, args): | |
676 """COMPARE query1 TO query2 - uses external tool to display differences. | |
677 | |
678 Sorting is recommended to avoid false hits.""" | |
679 fnames = [] | |
680 args2 = args.split(' to ') | |
681 for n in range(len(args2)): | |
682 query = args2[n] | |
683 fnames.append('compare%s.txt' % n) | |
684 if query.rstrip()[-1] != self.terminator: | |
685 query = '%s%s' % (query, self.terminator) | |
686 self.write(query, fnames[n]) | |
687 diffMergeSearcher.invoke(fnames[0], fnames[1]) | |
688 | |
689 bufferPosPattern = re.compile('\d+') | |
690 rangeIndicators = ('-',':') | |
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691 |
0 | 692 def do_get(self, fname): |
693 'Brings SQL commands from a file to the in-memory SQL buffer.' | |
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694 numCommandsLoaded = self.load(fname) |
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695 if numCommandsLoaded: |
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696 self.do_list('%d -' % (len(self.history) - numCommandsLoaded)) |
0 | 697 def do_getrun(self, fname): |
698 'Brings SQL commands from a file to the in-memory SQL buffer, and executes them.' | |
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699 numCommandsLoaded = self.load(fname) * -1 |
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700 if numCommandsLoaded: |
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701 for command in self.history[numCommandsLoaded:]: |
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702 self.onecmd_plus_hooks(command) |
0 | 703 def do_psql(self, arg): |
704 '''Shortcut commands emulating psql's backslash commands. | |
705 | |
706 \c connect | |
707 \d desc | |
708 \e edit | |
709 \g run | |
710 \h help | |
711 \i getrun | |
712 \o spool | |
713 \p list | |
714 \w save | |
715 \? help psql''' | |
716 commands = {} | |
717 for c in self.do_psql.__doc__.splitlines()[2:]: | |
718 (abbrev, command) = c.split(None, 1) | |
719 commands[abbrev[1:]] = command | |
720 words = arg.split(None,1) | |
721 abbrev = words[0] | |
722 try: | |
723 args = words[1] | |
724 except IndexError: | |
725 args = '' | |
726 try: | |
727 self.onecmd('%s %s' % (commands[abbrev], args)) | |
728 self.onecmd('q') | |
729 except KeyError: | |
730 print 'psql command \%s not yet supported.' % abbrev | |
731 | |
732 def do_print(self, arg): | |
733 'print VARNAME: Show current value of bind variable VARNAME.' | |
734 if arg: | |
735 if arg[0] == ':': | |
736 arg = arg[1:] | |
737 try: | |
738 print self.binds[arg] | |
739 except KeyError: | |
740 print 'No bind variable ', arg | |
741 else: | |
742 self.do_setbind('') | |
743 def do_setbind(self, arg): | |
744 args = arg.split(None, 2) | |
745 if len(args) == 0: | |
746 for (var, val) in self.binds.items(): | |
747 print ':%s = %s' % (var, val) | |
748 elif len(args) == 1: | |
749 try: | |
750 print ':%s = %s' % (args[0], self.binds[args[0]]) | |
751 except KeyError, e: | |
752 print noSuchBindMsg % args[0] | |
753 elif len(args) > 2 and args[1] in ('=',':='): | |
754 var, val = args[0], args[2] | |
755 if val[0] == val[-1] == "'" and len(val) > 1: | |
756 val = val[1:-1] | |
757 self.binds[var] = val | |
758 else: | |
759 print 'Could not parse ', args | |
760 def do_exec(self, arg): | |
761 if arg[0] == ':': | |
762 self.do_setbind(arg[1:]) | |
763 else: | |
764 self.default('exec %s' % arg) | |
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765 |
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766 def do_cat(self, arg): |
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767 targets = arg.split() |
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768 for target in targets: |
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769 self.do_select('* from %s' % target) |
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770 |
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771 def do_grep(self, arg): |
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772 """grep PATTERN TABLE - search for term in any of TABLE's fields""" |
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773 targets = arg.split() |
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774 pattern = targets.pop(0) |
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775 for target in targets: |
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776 target = target.rstrip(';') |
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777 sql = [] |
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778 try: |
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779 self.curs.execute('select * from %s where 1=0' % target) |
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780 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) |
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781 sql = '* FROM %s WHERE %s' % (target, sql) |
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782 self.do_select(sql) |
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783 except Exception, e: |
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784 print e |
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785 import traceback |
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786 traceback.print_exc(file=sys.stdout) |
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787 |
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788 def do_refs(self, arg): |
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789 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
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790 if object_type == 'TABLE': |
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791 self.do_select(queries['refs'],bindVarsIn={'object_name':object_name, 'owner':owner}) |
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792 |
0 | 793 def _test(): |
794 import doctest | |
795 doctest.testmod() | |
796 | |
797 if __name__ == "__main__": | |
798 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
799 _test() |