[BUG] 添加`--enable-rft`之后，sqlalchemy的model声明失败

[kyle-kw]

Please read this first before report any issue https://pyarmor.readthedocs.io/en/latest/questions.html

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Do not ask questions here but in discussions, it will be closed immediately.

A good report should have

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• Reproduced steps
• Expected results and actual results

Please also provide necessary log (but not full log), for example, the whole command options pyarmor gen and first 4 logs in the console, paste the text directly, DO NOT paste IMAGE

---

test.py

from sqlalchemy import Column, Index, Integer, String
from sqlalchemy.ext.declarative import declarative_base
# sqlalchemy==1.4.52
Base = declarative_base()
metadata = Base.metadata

class ChannelKey(Base):
    __tablename__ = '01_channel_keys'
    __table_args__ = (
        Index('idx_channel', 'key_type', unique=True),
    )

    record_pk = Column(Integer, primary_key=True, autoincrement=True)
    key_type = Column(String(100), nullable=False)

if __name__ == '__main__':
    print(ChannelKey.__tablename__)

$ pyarmor gen --enable-rft test.py
INFO     Python 3.9.19
INFO     Pyarmor 8.5.8 (group), 006279, jfh
INFO     Platform linux.x86_64

$python test.py
<frozen test2>:6: MovedIn20Warning: Deprecated API features detected! These feature(s) are not compatible with SQLAlchemy 2.0. To prevent incompatible upgrades prior to updating applications, ensure requirements files are pinned to "sqlalchemy<2.0". Set environment variable SQLALCHEMY_WARN_20=1 to show all deprecation warnings.  Set environment variable SQLALCHEMY_SILENCE_UBER_WARNING=1 to silence this message. (Background on SQLAlchemy 2.0 at: https://sqlalche.me/e/b8d9)
Traceback (most recent call last):
  File "<frozen __main__>", line 3, in <module>
  File "<frozen test2>", line 10, in <module>
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/orm/decl_api.py", line 76, in __init__
    _as_declarative(reg, cls, dict_)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/orm/decl_base.py", line 126, in _as_declarative
    return _MapperConfig.setup_mapping(registry, cls, dict_, None, {})
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/orm/decl_base.py", line 183, in setup_mapping
    return cfg_cls(registry, cls_, dict_, table, mapper_kw)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/orm/decl_base.py", line 331, in __init__
    self._setup_table(table)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/orm/decl_base.py", line 854, in _setup_table
    table_cls(
  File "<string>", line 2, in __new__
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/util/deprecations.py", line 375, in warned
    return fn(*args, **kwargs)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 619, in __new__
    metadata._remove_table(name, schema)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__
    compat.raise_(
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/util/compat.py", line 211, in raise_
    raise exception
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 614, in __new__
    table._init(name, metadata, *args, **kw)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 700, in _init
    self._init_items(
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 144, in _init_items
    spwd(self, **kw)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/base.py", line 1047, in _set_parent_with_dispatch
    self._set_parent(parent, **kw)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 4313, in _set_parent
    ColumnCollectionMixin._set_parent(self, table)
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 3433, in _set_parent
    for col in self._col_expressions(table):
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 3427, in _col_expressions
    return [
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/schema.py", line 3428, in <listcomp>
    table.c[col] if isinstance(col, util.string_types) else col
  File "/home/ubuntu/miniconda3/envs/one-key/lib/python3.9/site-packages/sqlalchemy/sql/base.py", line 1214, in __getitem__
    return self._index[key]
KeyError: 'key_type'

In order to save time for both of us, if the bug report is not clear or missing necessary information, it will be marked as invalid and be closed immediately.

[jondy]

请参考文档 https://pyarmor.readthedocs.io/zh/latest/topic/rftmode.html

不要修改字段的名称，如果表的字段名称都修改了，需要数据库做相应的修改。

另外，报告问题的时候请删除不必要的内容，提供了一个清晰的报告

[kyle-kw]

好的，感谢

[Blue-FatMan]

你好，请问这个问题你解决了吗，我也遇到了，Base = declarative_base()这行代码经过加密之后，就无法运行了，也不获取不到报错信息，不知道啥原因