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annotate scripts/dump_dbm_sessions_db.py @ 7052:4b6a6b794dfa

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Fix errors in po files. Trying to get translation files in shape for translationproject.org. Not sure it wil happen but this checkin fixes errors in .po files found by msgfmt -cv. Recreated template and merged into .po files. Also adds potest to makefile targets and improves diff target. Fixes: Project-Id-Version changed to 2.3.0. I can't find doc on what this is supposed to be. I assume it is to match the .po file to the release since there are other fields for recording the last update to the translations. Language header, is often blank. Added Language-Team value where missing. Plural-Forms header for a couple of languages per: https://www.gnu.org/software/gettext/manual/html_node/Plural-forms.html Japanese still has an issue. There are plural forms defined in the file, but according to the above, there should only be one form. I don't know Japanese, so am not qualified to remove the plural forms or change the Plural-Forms header to the expected: nplurals=1; plural=0; So I have left it with: nplurals=2; plural=0;\n" Which will always choose the first plural form (index 0). Added Last-Translator, Language and Content-Transfer-Encoding for en.po.
author John Rouillard <rouilj@ieee.org>
date Sun, 20 Nov 2022 11:29:31 -0500
parents 1188bb423f92
children 9ba04f37896f
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1 #! /usr/bin/env python3
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2 """Usage: dump_dbm_sessions_db.py [filename]
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3
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4 Simple script to dump the otks and sessions dbm databases. Dumps
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5 sessions db in current directory if no argument is given.
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6
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7 Dump format:
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8
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9 key: <timestamp> data
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10
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11 where <timestamp> is the human readable __timestamp decoded from the
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12 data object. Data object is dumped in json format. With pretty print
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13
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14 key:
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15 <timestamp>
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16 {
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17 key: val,
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18 ...
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19 }
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20
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21 if data is not a python object, print will be key: data or
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22 key:
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23 data
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24
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25 if pretty printed.
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26 """
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27
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28 import argparse, dbm, json, marshal, os, sys
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29 from datetime import datetime
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30
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31 def indent(text, amount, ch=" "):
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32 """ Found at: https://stackoverflow.com/a/8348914
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33 """
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34 padding = amount * ch
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35 return ''.join(padding+line for line in text.splitlines(True))
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36
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37 def print_marshal(k):
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38 d = marshal.loads(db[k])
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39 try:
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40 t = datetime.fromtimestamp(d['__timestamp'])
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41 except (KeyError, TypeError):
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42 # TypeError raised if marshalled data is not a dict (list, tuple etc)
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43 t = "no_timestamp"
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44 if args.pretty:
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45 print("%s:\n %s\n%s"%(k, t, indent(json.dumps(
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46 d, sort_keys=True, indent=4), 4)))
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47 else:
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48 print("%s: %s %s"%(k, t, d))
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49
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50 def print_raw(k):
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51 if args.pretty:
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52 print("%s:\n %s"%(k, db[k]))
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53 else:
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54 print("%s: %s"%(k, db[k]))
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55
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56 parser = argparse.ArgumentParser(
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57 description='Dump DBM files used by Roundup in storage order.')
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58 parser.add_argument('-k', '--key', action="append",
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59 help='dump the entry for a key, can be used multiple times.')
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60 parser.add_argument('-K', '--keysonly', action='store_true',
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61 help='print the database keys, sorted in byte order.')
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62 parser.add_argument('-p', '--pretty', action='store_true',
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63 help='pretty print the output rather than printing on one line.')
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64 parser.add_argument('file', nargs='?',
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65 help='file to be dumped ("sessions" if not provided)')
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66 args = parser.parse_args()
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67
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68 if args.file:
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69 file = args.file
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70 else:
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71 file="sessions"
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72
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73 try:
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74 db = dbm.open(file)
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75 except Exception as e:
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76 print("Unable to open database for %s: %s"%(file, e))
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77 try:
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78 os.stat(file)
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79 print(" perhaps file is invalid or was created with a different version of Python?")
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80 except OSError:
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81 # the file does exist on disk.
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82 pass
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83 exit(1)
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84
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85 if args.keysonly:
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86 for k in sorted(db.keys()):
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87 print("%s"%k)
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88 exit(0)
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89
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90 if args.key:
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91 for k in args.key:
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92 try:
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93 print_marshal(k)
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94 except (ValueError):
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95 print_raw(k)
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96 exit(0)
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97
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98 k = db.firstkey()
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99 while k is not None:
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100 try:
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101 print_marshal(k)
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102 except (ValueError): # ValueError marshal.loads failed
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103 print_raw(k)
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104
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105 k = db.nextkey(k)
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