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Python DB.first方法代码示例

本文整理汇总了Python中anki.db.DB.first方法的典型用法代码示例。如果您正苦于以下问题:Python DB.first方法的具体用法?Python DB.first怎么用?Python DB.first使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在anki.db.DB的用法示例。


在下文中一共展示了DB.first方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: __init__

# 需要导入模块: from anki.db import DB [as 别名]
# 或者: from anki.db.DB import first [as 别名]

#.........这里部分代码省略.........
                    # wrong filename encoding which will cause sync errors
                    if os.path.exists(normpath):
                        os.unlink(path)
                    else:
                        os.rename(path, normpath)
            # newly added?
            if f not in self.cache:
                added.append(f)
            else:
                # modified since last time?
                if self._mtime(path) != self.cache[f][1]:
                    # and has different checksum?
                    if self._checksum(path) != self.cache[f][0]:
                        added.append(f)
                # mark as used
                self.cache[f][2] = True
        # look for any entries in the cache that no longer exist on disk
        for (k, v) in list(self.cache.items()):
            if not v[2]:
                removed.append(k)
        return added, removed

    # Syncing-related
    ##########################################################################

    def lastUsn(self):
        return self.db.scalar("select lastUsn from meta")

    def setLastUsn(self, usn):
        self.db.execute("update meta set lastUsn = ?", usn)
        self.db.commit()

    def syncInfo(self, fname):
        ret = self.db.first(
            "select csum, dirty from media where fname=?", fname)
        return ret or (None, 0)

    def markClean(self, fnames):
        for fname in fnames:
            self.db.execute(
                "update media set dirty=0 where fname=?", fname)

    def syncDelete(self, fname):
        path = os.path.join(self.dir(), fname)
        if os.path.exists(path):
            os.unlink(path)
        self.db.execute("delete from media where fname=?", fname)

    def mediaCount(self):
        return self.db.scalar(
            "select count() from media where csum is not null")

    def dirtyCount(self):
        return self.db.scalar(
            "select count() from media where dirty=1")

    def forceResync(self):
        self.db.execute("delete from media")
        self.db.execute("update meta set lastUsn=0,dirMod=0")
        self.db.commit()
        self.db.setAutocommit(True)
        self.db.execute("vacuum")
        self.db.execute("analyze")
        self.db.setAutocommit(False)

    # Media syncing: zips
开发者ID:terrisage,项目名称:Anki,代码行数:70,代码来源:media.py


注:本文中的anki.db.DB.first方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。