author | Sverre Rabbelier <srabbelier@gmail.com> |
Thu, 19 Mar 2009 23:25:34 +0000 | |
changeset 1942 | 832a1e80eee0 |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
54
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parents:
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|
1 |
from django.core.management.base import BaseCommand |
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parents:
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|
2 |
from django.core.management.color import no_style |
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parents:
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|
3 |
from optparse import make_option |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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|
4 |
import sys |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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5 |
import os |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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6 |
|
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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|
7 |
try: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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|
8 |
set |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
9 |
except NameError: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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|
10 |
from sets import Set as set # Python 2.3 fallback |
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11 |
|
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12 |
class Command(BaseCommand): |
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13 |
help = 'Installs the named fixture(s) in the database.' |
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14 |
args = "fixture [fixture ...]" |
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15 |
|
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16 |
def handle(self, *fixture_labels, **options): |
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17 |
from django.db.models import get_apps |
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18 |
from django.core import serializers |
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19 |
from django.db import connection, transaction |
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20 |
from django.conf import settings |
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21 |
|
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22 |
self.style = no_style() |
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23 |
|
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24 |
verbosity = int(options.get('verbosity', 1)) |
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25 |
show_traceback = options.get('traceback', False) |
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26 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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27 |
# commit is a stealth option - it isn't really useful as |
ff1a9aa48cfd
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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28 |
# a command line option, but it can be useful when invoking |
ff1a9aa48cfd
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Pawel Solyga <Pawel.Solyga@gmail.com>
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29 |
# loaddata from within another script. |
ff1a9aa48cfd
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30 |
# If commit=True, loaddata will use its own transaction; |
ff1a9aa48cfd
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31 |
# if commit=False, the data load SQL will become part of |
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32 |
# the transaction in place when loaddata was invoked. |
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33 |
commit = options.get('commit', True) |
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34 |
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54
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35 |
# Keep a count of the installed objects and fixtures |
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36 |
fixture_count = 0 |
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37 |
object_count = 0 |
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38 |
objects_per_fixture = [] |
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39 |
models = set() |
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40 |
|
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41 |
humanize = lambda dirname: dirname and "'%s'" % dirname or 'absolute path' |
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42 |
|
03e267d67478
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43 |
# Get a cursor (even though we don't need one yet). This has |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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44 |
# the side effect of initializing the test database (if |
03e267d67478
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parents:
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45 |
# it isn't already initialized). |
03e267d67478
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46 |
cursor = connection.cursor() |
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47 |
|
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48 |
# Start transaction management. All fixtures are installed in a |
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49 |
# single transaction to ensure that all references are resolved. |
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50 |
if commit: |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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51 |
transaction.commit_unless_managed() |
ff1a9aa48cfd
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Pawel Solyga <Pawel.Solyga@gmail.com>
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52 |
transaction.enter_transaction_management() |
ff1a9aa48cfd
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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53 |
transaction.managed(True) |
54
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parents:
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54 |
|
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Major reorganization of the soc svn repo, to merge into a single App Engine
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55 |
app_fixtures = [os.path.join(os.path.dirname(app.__file__), 'fixtures') for app in get_apps()] |
03e267d67478
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parents:
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56 |
for fixture_label in fixture_labels: |
03e267d67478
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57 |
parts = fixture_label.split('.') |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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58 |
if len(parts) == 1: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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59 |
fixture_name = fixture_label |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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60 |
formats = serializers.get_public_serializer_formats() |
03e267d67478
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parents:
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61 |
else: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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62 |
fixture_name, format = '.'.join(parts[:-1]), parts[-1] |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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63 |
if format in serializers.get_public_serializer_formats(): |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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64 |
formats = [format] |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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65 |
else: |
03e267d67478
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66 |
formats = [] |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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67 |
|
323
ff1a9aa48cfd
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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68 |
if formats: |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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|
69 |
if verbosity > 1: |
54
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
70 |
print "Loading '%s' fixtures..." % fixture_name |
323
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Pawel Solyga <Pawel.Solyga@gmail.com>
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71 |
else: |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
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|
72 |
sys.stderr.write( |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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|
73 |
self.style.ERROR("Problem installing fixture '%s': %s is not a known serialization format." % |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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|
74 |
(fixture_name, format))) |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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|
75 |
transaction.rollback() |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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|
76 |
transaction.leave_transaction_management() |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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|
77 |
return |
54
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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78 |
|
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
79 |
if os.path.isabs(fixture_name): |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
80 |
fixture_dirs = [fixture_name] |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
81 |
else: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
82 |
fixture_dirs = app_fixtures + list(settings.FIXTURE_DIRS) + [''] |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
83 |
|
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
84 |
for fixture_dir in fixture_dirs: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
85 |
if verbosity > 1: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
86 |
print "Checking %s for fixtures..." % humanize(fixture_dir) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
87 |
|
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
88 |
label_found = False |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
89 |
for format in formats: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
90 |
serializer = serializers.get_serializer(format) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
91 |
if verbosity > 1: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
92 |
print "Trying %s for %s fixture '%s'..." % \ |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
93 |
(humanize(fixture_dir), format, fixture_name) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
94 |
try: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
95 |
full_path = os.path.join(fixture_dir, '.'.join([fixture_name, format])) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
96 |
fixture = open(full_path, 'r') |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
97 |
if label_found: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
98 |
fixture.close() |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
99 |
print self.style.ERROR("Multiple fixtures named '%s' in %s. Aborting." % |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
100 |
(fixture_name, humanize(fixture_dir))) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
101 |
transaction.rollback() |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
102 |
transaction.leave_transaction_management() |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
103 |
return |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
104 |
else: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
105 |
fixture_count += 1 |
323
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
54
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|
106 |
objects_per_fixture.append(0) |
54
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
107 |
if verbosity > 0: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
108 |
print "Installing %s fixture '%s' from %s." % \ |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
109 |
(format, fixture_name, humanize(fixture_dir)) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
110 |
try: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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|
111 |
objects = serializers.deserialize(format, fixture) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
112 |
for obj in objects: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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113 |
object_count += 1 |
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114 |
objects_per_fixture[-1] += 1 |
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115 |
models.add(obj.object.__class__) |
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116 |
obj.save() |
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117 |
label_found = True |
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118 |
except (SystemExit, KeyboardInterrupt): |
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119 |
raise |
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120 |
except Exception: |
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121 |
import traceback |
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122 |
fixture.close() |
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123 |
transaction.rollback() |
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124 |
transaction.leave_transaction_management() |
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125 |
if show_traceback: |
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126 |
import traceback |
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127 |
traceback.print_exc() |
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128 |
else: |
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129 |
sys.stderr.write( |
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130 |
self.style.ERROR("Problem installing fixture '%s': %s\n" % |
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131 |
(full_path, traceback.format_exc()))) |
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132 |
return |
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133 |
fixture.close() |
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134 |
except: |
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135 |
if verbosity > 1: |
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136 |
print "No %s fixture '%s' in %s." % \ |
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137 |
(format, fixture_name, humanize(fixture_dir)) |
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138 |
|
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139 |
|
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140 |
# If any of the fixtures we loaded contain 0 objects, assume that an |
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141 |
# error was encountered during fixture loading. |
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142 |
if 0 in objects_per_fixture: |
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143 |
sys.stderr.write( |
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144 |
self.style.ERROR("No fixture data found for '%s'. (File format may be invalid.)" % |
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145 |
(fixture_name))) |
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146 |
transaction.rollback() |
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147 |
transaction.leave_transaction_management() |
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148 |
return |
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149 |
|
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150 |
# If we found even one object in a fixture, we need to reset the |
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151 |
# database sequences. |
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152 |
if object_count > 0: |
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153 |
sequence_sql = connection.ops.sequence_reset_sql(self.style, models) |
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154 |
if sequence_sql: |
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155 |
if verbosity > 1: |
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156 |
print "Resetting sequences" |
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157 |
for line in sequence_sql: |
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158 |
cursor.execute(line) |
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159 |
|
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160 |
if commit: |
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161 |
transaction.commit() |
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162 |
transaction.leave_transaction_management() |
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163 |
|
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164 |
if object_count == 0: |
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165 |
if verbosity > 1: |
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166 |
print "No fixtures found." |
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|
167 |
else: |
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|
168 |
if verbosity > 0: |
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169 |
print "Installed %d object(s) from %d fixture(s)" % (object_count, fixture_count) |
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170 |
|
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171 |
# Close the DB connection. This is required as a workaround for an |
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|
172 |
# edge case in MySQL: if the same connection is used to |
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173 |
# create tables, load data, and query, the query can return |
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174 |
# incorrect results. See Django #7572, MySQL #37735. |
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175 |
if commit: |
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|
176 |
connection.close() |