django：从postgres数据库导入数据时无法调整错误

从转储数据安装夹具我遇到了奇怪的错误 . 我正在使用psycopg2和django1.1.1

silver:probsbox oleg$ python manage.py loaddata /Users/oleg/probs.json 
Installing json fixture '/Users/oleg/probs' from '/Users/oleg/probs'.
Problem installing fixture '/Users/oleg/probs.json': Traceback (most recent call last):
  File "/opt/local/lib/python2.5/site-packages/django/core/management/commands/loaddata.py", line 153, in handle
    obj.save()
  File "/opt/local/lib/python2.5/site-packages/django/core/serializers/base.py", line 163, in save
    models.Model.save_base(self.object, raw=True)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/base.py", line 495, in save_base
    result = manager._insert(values, return_id=update_pk)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/manager.py", line 177, in _insert
    return insert_query(self.model, values, **kwargs)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/query.py", line 1087, in insert_query
    return query.execute_sql(return_id)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/sql/subqueries.py", line 320, in execute_sql
    cursor = super(InsertQuery, self).execute_sql(None)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/sql/query.py", line 2369, in execute_sql
    cursor.execute(sql, params)
  File "/opt/local/lib/python2.5/site-packages/django/db/backends/util.py", line 19, in execute
    return self.cursor.execute(sql, params)
ProgrammingError: can't adapt

首先，我在互联网上检查了类似的问题 . 这个似乎非常相关：http://code.djangoproject.com/ticket/5996，因为我的数据有很多非ASCII符号

但实际上我已经检查了我的django安装，它没关系

你能说出错的吗？

====

根据第一个答案建议添加打印声明后继续调查 . 日志看起来像这样：

silver:probsbox oleg$ python manage.py loaddata /Users/oleg/probs.json 
Installing json fixture '/Users/oleg/probs' from '/Users/oleg/probs'.
<DeserializedObject: Novice>
<DeserializedObject: Junior>
<DeserializedObject: Chess enthusiast>
<DeserializedObject: Experienced player >
<DeserializedObject: Smart player>
Problem installing fixture '/Users/oleg/probs.json': Traceback (most recent call last):
  File "/opt/local/lib/python2.5/site-packages/django/core/management/commands/loaddata.py", line 153, in handle
    print obj
  File "/opt/local/lib/python2.5/site-packages/django/core/serializers/base.py", line 155, in __repr__
    return "<DeserializedObject: %s>" % smart_str(self.object)
  File "/opt/local/lib/python2.5/site-packages/django/utils/encoding.py", line 107, in smart_str
    return str(s)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/base.py", line 335, in __str__
    return force_unicode(self).encode('utf-8')
  File "/opt/local/lib/python2.5/site-packages/django/utils/encoding.py", line 71, in force_unicode
    s = unicode(s)
  File "/Users/oleg/Sites/probsbox/registration/models.py", line 58, in __unicode__
    return u"%s's profile" %(self.user.username)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/fields/related.py", line 257, in __get__
    rel_obj = QuerySet(self.field.rel.to).get(**params)
  File "/opt/local/lib/python2.5/site-packages/django/db/models/query.py", line 305, in get
    % self.model._meta.object_name)
DoesNotExist: User matching query does not exist.

silver:probsbox oleg$

最后一条评论出错

<DeserializedObject: qwert2000's profile>

问题安装夹具'/Users/oleg/probs.json'：Traceback（最近一次调用最后一次）：文件“/opt/local/lib/python2.5/site-packages/django/core/management/commands/loaddata.py “，第154行，句柄obj.save（）文件”/opt/local/lib/python2.5/site-packages/django/core/serializers/base.py“，第163行，保存模型.Model.save_base （self.object，raw = True）文件“/opt/local/lib/python2.5/site-packages/django/db/models/base.py”，第495行，在save_base结果= manager._insert（values， return_id = update_pk）文件“/opt/local/lib/python2.5/site-packages/django/db/models/manager.py”，第177行，在_insert中返回insert_query（self.model，values，** kwargs）文件“/opt/local/lib/python2.5/site-packages/django/db/models/query.py”，第1087行，在insert_query中返回query.execute_sql（return_id）文件“/ opt / local / lib / python2 .5 / site-packages / django / db / models / sql / subqueries.py“，第320行，在execute_sql cursor = super（InsertQuery，self）.execute_sql（无）文件”/opt/local/lib/python2.5 /站点包/ Django的/ DB /月dels / sql / query.py“，第2369行，在execute_sql cursor.execute（sql，params）文件”/opt/local/lib/python2.5/site-packages/django/db/backends/util.py“，第19行，在执行中返回self.cursor.execute（sql，params）ProgrammingError：无法适应