{"id":105,"date":"2017-11-06T03:11:11","date_gmt":"2017-11-05T19:11:11","guid":{"rendered":"http:\/\/www.wuchangsong.com\/?p=105"},"modified":"2017-11-06T07:43:14","modified_gmt":"2017-11-05T23:43:14","slug":"%e6%88%91%e7%9a%84python%e4%b9%8b%e8%b7%af","status":"publish","type":"post","link":"http:\/\/www.wuchangsong.com\/?p=105","title":{"rendered":"\u6211\u7684Python\u4e4b\u8def"},"content":{"rendered":"<p>\u5927\u6982\u53bb\u5e74\u516d\u4e03\u6708\u4efd\uff0c\u90a3\u65f6\u8fd8\u4e0d\u61c2\u4ec0\u4e48\u662f\u751f\u7269\u4fe1\u606f\u5b66\uff0c\u4ec0\u4e48\u662f\u7f16\u7a0b\uff0cPython\u66f4\u662f\u542c\u90fd\u6ca1\u542c\u8bf4\u8fc7\uff0c\u7a00\u91cc\u7cca\u6d82\u7684\u5c31\u5728\u8001\u5e08\u7684\u5b89\u6392\u4e0b\u8ddf\u7740\u522b\u7684\u9662\u4e00\u4e2a\u5e08\u5144\u5b66\u4e60\u751f\u4fe1\uff0c 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re<br \/>\nimport sys, getopt<br \/>\nimport operator<br \/>\nfrom Bio import SeqIO<br \/>\nfrom Bio.Seq import Seq<br \/>\nfrom Bio.SeqRecord import SeqRecord<br \/>\nfrom Bio.Alphabet import generic_nucleotide<br \/>\nimport re<br \/>\nimport sys, getopt<br \/>\nimport operator<\/p>\n<p>opts, args = getopt.getopt(sys.argv[1:], &#8220;c:i:o:&#8221;)<br \/>\nblast_info = &#8220;&#8221;<br \/>\nout_file = &#8220;&#8221;<br \/>\nfor op, value in opts:<br \/>\nif op ==&#8221;-o&#8221;: #ARG_pattern_MIN_7030.fasta or ARG_pattern_MAX_7030.fasta<br \/>\nout_file = open(value, &#8220;w&#8221;)<br \/>\nfilename_pro = str (value)<br \/>\nname_item = filename_pro.strip().split(&#8220;.&#8221;)<br \/>\nfilename = name_item[0]<br \/>\nif op == &#8220;-i&#8221;: # All_ARGcontig_remove_S_nr.fasta<br \/>\nblast_info = open(value, &#8220;r&#8221;)<br \/>\nif op == &#8220;-c&#8221;: #Contig_ARG_region_abstract_info_7030.out<br \/>\nlocation_info = open(value, &#8220;r&#8221;)<\/p>\n<p>for record in SeqIO.parse(blast_info,&#8221;fasta&#8221;):<br \/>\nPattern_star = 1 &#8211; 80<br \/>\nPattern_end = 90<br \/>\npattern_seq = record.seq[Pattern_star:Pattern_end]<br \/>\nSeq_len = str(len(pattern_seq))<br \/>\npattern_ID = filename +&#8221;:&#8221;+Seq_len<br \/>\nNew_record = SeqRecord(pattern_seq,id = pattern_ID, description = &#8220;&#8221;)<br \/>\nSeqIO.write(New_record, out_file,&#8221;fasta&#8221;)<\/p>\n<p>blast_info.close()<br 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\u56e0\u6b64\uff0c\u5728\u6211\u5bf9Python\u4e00\u65e0\u6240\u77e5\u7684\u60c5\u51b5\u4e0b\uff0c\u9996\u5148\u5b66\u4e60\u4e86biopython\uff0c\u7136\u540e\u4e70\u4e86\u300apython\u57fa\u7840\u6559\u7a0b\u300b\u300apython\u6838\u5fc3\u7f16\u7a0b\u300b\u8fd9\u4e24\u672c\u4e66\u66f4\u8fdb\u4e00\u6b65\u7684\u5b66\u4e60\u3002\u4e00\u4f46\u5165\u4e86\u6b64\u5751\u5c31\u5f88\u96be\u56de\u5934\uff0c\u5c3d\u7ba1\u73b0\u5728\u6211\u4e3b\u8981\u8ddf\u7740\u5b66\u4e60\u751f\u4fe1\u7684\u8001\u5e08\u548c\u4e00\u4e9b\u5c0f\u4f19\u4f34\u90fd\u662fPerl\u5927\u795e\uff0c\u4e5f\u5f88\u96be\u628a\u6211\u4ece\u8fd9\u4e2a\u5751\u91cc\u62c9\u51fa\u6765\u3002\u53ef\u559c\u7684\u662f\uff0c\u73b0\u5728python\u5728\u751f\u4fe1\u4e0a\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u5e7f\uff0c\u5728\u673a\u5668\u5b66\u4e60\u65b9\u5411\uff0cpython\u4e5f\u662f\u5904\u4e8e\u9886\u5148\u5730\u4f4d\uff0c\u8fd9\u66f4\u52a0\u7ed9\u4e86\u6211\u5b66\u4e0b\u53bb\u7684\u7406\u7531\u3002\u5f53\u7136\uff0c\u4e3b\u5b66Python\u4e4b\u4f59\uff0cR\u548cPerl\u4e5f\u662f\u8981\u61c2\u4e00\u70b9\u7684\uff0c\u7528\u6765\u505a\u56fe\u548c\u5355\u884c\u64cd\u4f5c\u8fd8\u662f\u5f88\u5fc5\u8981\u7684\uff01 \u4eba\u751f\u63a5\u89e6\u7684\u7b2c\u4e00\u4e2a\u811a\u672c\uff1a import re import sys, getopt import operator from Bio import SeqIO from Bio.Seq import Seq from Bio.SeqRecord import SeqRecord from Bio.Alphabet import generic_nucleotide import re import sys, getopt import operator opts, args = getopt.getopt(sys.argv[1:], &#8220;c:i:o:&#8221;) blast_info = &#8220;&#8221; out_file = &#8220;&#8221; for op, value in opts: if op ==&#8221;-o&#8221;: #ARG_pattern_MIN_7030.fasta 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