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Python QualityIO._get_phred_quality方法代码示例

本文整理汇总了Python中Bio.SeqIO.QualityIO._get_phred_quality方法的典型用法代码示例。如果您正苦于以下问题:Python QualityIO._get_phred_quality方法的具体用法?Python QualityIO._get_phred_quality怎么用?Python QualityIO._get_phred_quality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Bio.SeqIO.QualityIO的用法示例。


在下文中一共展示了QualityIO._get_phred_quality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: write_record

# 需要导入模块: from Bio.SeqIO import QualityIO [as 别名]
# 或者: from Bio.SeqIO.QualityIO import _get_phred_quality [as 别名]
    def write_record(self, record):
        """Write a single Phd record to the file."""
        assert record.seq, "No sequence present in SeqRecord"
        # This method returns the 'phred_quality' scores or converted
        # 'solexa_quality' scores if present, else raises a value error
        phred_qualities = QualityIO._get_phred_quality(record)
        peak_locations = record.letter_annotations.get("peak_location")
        if len(record.seq) != len(phred_qualities):
            raise ValueError("Number of phd quality scores does not match "
                             "length of sequence")
        if peak_locations:
            if len(record.seq) != len(peak_locations):
                raise ValueError("Number of peak location scores does not "
                                 "match length of sequence")
        if None in phred_qualities:
            raise ValueError("A quality value of None was found")
        if record.description.startswith("%s " % record.id):
            title = record.description
        else:
            title = "%s %s" % (record.id, record.description)
        self.handle.write("BEGIN_SEQUENCE %s\nBEGIN_COMMENT\n"
                          % self.clean(title))
        for annot in [k.lower() for k in Phd.CKEYWORDS]:
            value = None
            if annot == "trim":
                if record.annotations.get("trim"):
                    value = "%s %s %.4f" % record.annotations["trim"]
            elif annot == "trace_peak_area_ratio":
                if record.annotations.get("trace_peak_area_ratio"):
                    value = "%.4f" % record.annotations[
                        "trace_peak_area_ratio"]
            else:
                value = record.annotations.get(annot)
            if value or value == 0:
                self.handle.write("%s: %s\n" % (annot.upper(), value))

        self.handle.write("END_COMMENT\nBEGIN_DNA\n")
        for i, site in enumerate(record.seq):
            if peak_locations:
                self.handle.write("%s %i %i\n" % (
                    site,
                    round(phred_qualities[i]),
                    peak_locations[i])
                )
            else:
                self.handle.write("%s %i\n" % (
                    site,
                    round(phred_qualities[i]))
                )

        self.handle.write("END_DNA\nEND_SEQUENCE\n")
开发者ID:HuttonICS,项目名称:biopython,代码行数:53,代码来源:PhdIO.py


注:本文中的Bio.SeqIO.QualityIO._get_phred_quality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。