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Python Log.exception方法代碼示例

本文整理匯總了Python中calibre.utils.logging.Log.exception方法的典型用法代碼示例。如果您正苦於以下問題:Python Log.exception方法的具體用法?Python Log.exception怎麽用?Python Log.exception使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在calibre.utils.logging.Log的用法示例。


在下文中一共展示了Log.exception方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: get_metadata

# 需要導入模塊: from calibre.utils.logging import Log [as 別名]
# 或者: from calibre.utils.logging.Log import exception [as 別名]
def get_metadata(stream):
    from calibre.ebooks.metadata import MetaInformation
    from calibre.ptempfile import TemporaryDirectory
    from calibre.ebooks.mobi.reader.headers import MetadataHeader
    from calibre.ebooks.mobi.reader.mobi6 import MobiReader
    from calibre.utils.magick.draw import save_cover_data_to
    from calibre import CurrentDir

    stream.seek(0)
    try:
        raw = stream.read(3)
    except:
        raw = ''
    stream.seek(0)
    if raw == b'TPZ':
        from calibre.ebooks.metadata.topaz import get_metadata
        return get_metadata(stream)
    from calibre.utils.logging import Log
    log = Log()
    try:
        mi = MetaInformation(os.path.basename(stream.name), [_('Unknown')])
    except:
        mi = MetaInformation(_('Unknown'), [_('Unknown')])
    mh = MetadataHeader(stream, log)
    if mh.title and mh.title != _('Unknown'):
        mi.title = mh.title

    if mh.exth is not None:
        if mh.exth.mi is not None:
            mi = mh.exth.mi
    else:
        size = 1024**3
        if hasattr(stream, 'seek') and hasattr(stream, 'tell'):
            pos = stream.tell()
            stream.seek(0, 2)
            size = stream.tell()
            stream.seek(pos)
        if size < 4*1024*1024:
            with TemporaryDirectory('_mobi_meta_reader') as tdir:
                with CurrentDir(tdir):
                    mr = MobiReader(stream, log)
                    parse_cache = {}
                    mr.extract_content(tdir, parse_cache)
                    if mr.embedded_mi is not None:
                        mi = mr.embedded_mi
    if hasattr(mh.exth, 'cover_offset'):
        cover_index = mh.first_image_index + mh.exth.cover_offset
        data  = mh.section_data(int(cover_index))
    else:
        try:
            data  = mh.section_data(mh.first_image_index)
        except:
            data = ''
    if data and what(None, data) in {'jpg', 'jpeg', 'gif', 'png', 'bmp', 'webp'}:
        try:
            mi.cover_data = ('jpg', save_cover_data_to(data, 'cover.jpg', return_data=True))
        except Exception:
            log.exception('Failed to read MOBI cover')
    return mi
開發者ID:AEliu,項目名稱:calibre,代碼行數:61,代碼來源:mobi.py

示例2: get_metadata

# 需要導入模塊: from calibre.utils.logging import Log [as 別名]
# 或者: from calibre.utils.logging.Log import exception [as 別名]
def get_metadata(stream):
    from calibre.ebooks.metadata import MetaInformation
    from calibre.ptempfile import TemporaryDirectory
    from calibre.ebooks.mobi.reader.headers import MetadataHeader
    from calibre.ebooks.mobi.reader.mobi6 import MobiReader
    from calibre import CurrentDir

    try:
        from PIL import Image as PILImage
        PILImage
    except ImportError:
        import Image as PILImage


    stream.seek(0)
    try:
        raw = stream.read(3)
    except:
        raw = ''
    stream.seek(0)
    if raw == b'TPZ':
        from calibre.ebooks.metadata.topaz import get_metadata
        return get_metadata(stream)
    from calibre.utils.logging import Log
    log = Log()
    try:
        mi = MetaInformation(os.path.basename(stream.name), [_('Unknown')])
    except:
        mi = MetaInformation(_('Unknown'), [_('Unknown')])
    mh = MetadataHeader(stream, log)
    if mh.title and mh.title != _('Unknown'):
        mi.title = mh.title

    if mh.exth is not None:
        if mh.exth.mi is not None:
            mi = mh.exth.mi
    else:
        size = 1024**3
        if hasattr(stream, 'seek') and hasattr(stream, 'tell'):
            pos = stream.tell()
            stream.seek(0, 2)
            size = stream.tell()
            stream.seek(pos)
        if size < 4*1024*1024:
            with TemporaryDirectory('_mobi_meta_reader') as tdir:
                with CurrentDir(tdir):
                    mr = MobiReader(stream, log)
                    parse_cache = {}
                    mr.extract_content(tdir, parse_cache)
                    if mr.embedded_mi is not None:
                        mi = mr.embedded_mi
    if hasattr(mh.exth, 'cover_offset'):
        cover_index = mh.first_image_index + mh.exth.cover_offset
        data  = mh.section_data(int(cover_index))
    else:
        try:
            data  = mh.section_data(mh.first_image_index)
        except:
            data = ''
    buf = cStringIO.StringIO(data)
    try:
        im = PILImage.open(buf)
    except:
        log.exception('Failed to read MOBI cover')
    else:
        obuf = cStringIO.StringIO()
        im.convert('RGB').save(obuf, format='JPEG')
        mi.cover_data = ('jpg', obuf.getvalue())
    return mi
開發者ID:Eksmo,項目名稱:calibre,代碼行數:71,代碼來源:mobi.py


注:本文中的calibre.utils.logging.Log.exception方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。