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text_para.py
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text_para.py
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import os, re, xlrd, xlwt, pkuseg, numpy, jieba
# 字频
# 加载字频数据库
zp = xlrd.open_workbook('./corpus/CorpusCharacterlist.xls')
zp.sheet_names()
table = zp.sheet_by_name('zifreq')
charlist = table.col_values(1)
charrate = table.col_values(3)
zpDict = dict(zip(charlist, charrate))
print('字频数据库加载完成')
#词频
# 加载词频数据库
cp = xlrd.open_workbook('./corpus/CorpusWordPOSlist.xls')
cp.sheet_names()
table = cp.sheet_by_name('wordposfreq_50')
worldlist = table.col_values(1)
worldrate = table.col_values(5)
worldcate = table.col_values(3)
cpDict = dict(zip(worldlist, worldrate))
cxDict = dict(zip(worldlist, worldcate))
print('词频数据库加载完成')
filePath = './files/'
readmList = os.listdir(filePath)
print(readmList)
for fileName in readmList:
print('开始分析'+fileName)
# 打开阅读材料
readm = open(filePath+fileName, 'r', encoding='UTF-8')
# 读取内容
readmData = readm.read()
# 文件字频统计
charDict = {}
for n, char in enumerate(readmData):
if '\u4e00'<= char<='\u9fff':
if char in charDict:
charDict[char] += 1
else:
charDict[char] = 1
else:
pass
charNum1 = n
charNum2 = len(charDict)
# 字频统计结果
charResult = []
for char in charDict.keys():
charRate = charDict[char]/n
if char in zpDict.keys():
zp = zpDict[char]
else:
zp = 0
charResult.append([char, charDict[char], charRate, zp])
totalZP = 0
for i in range(len(charResult)):
totalZP = totalZP + charResult[i][3]
meanZP = totalZP/(i+1) # 平均字频
# 文件词频统计
wordDict1 = {}
seg = pkuseg.pkuseg()
biaodian = '，。、《》？、！：；“”%……（）' # 排除常用标点
for n, word in enumerate(seg.cut(readmData)):
if word in biaodian:
pass
else:
if word in wordDict1:
wordDict1[word] += 1
else:
wordDict1[word] = 1
wordNum1 = n
wordNum2 = len(wordDict1)
# Num1是有重复计算数字 Num2是无重复计算
# 词频统计结果
wordResult1 = []
wordResult2 = []
for word in wordDict1.keys():
if word in cxDict.keys():
cx = cxDict[word]
else:
cx = None
if word in cpDict.keys():
cp = cpDict[word]
else:
cp = 0
wordResult2.append([word, wordDict1[word], cp, cx])
continue
wordResult1.append([word, wordDict1[word], cp, cx])
totalCP = 0
for i in range(len(wordResult1)):
totalCP = totalCP + wordResult1[i][2]
meanCP = totalCP/(i+1) # 平均词频
# 切分句子统计句长
snts1 = re.split('，|。|？|！|……|：|;|“|”|\\n', readmData)
snts1 = list(filter(None, snts1))
sntsNum1 = len(snts1)
sntlen1 = []
sntResult1 = []
for snt in snts1:
sntlen1.append(len(snt))
sntResult1.append([snt, len(snt)])
meanSntLen1 = numpy.mean(sntlen1)
snts2 = re.split('。|？|！|……|;|\\n', readmData)
snts2 = list(filter(None, snts2))
snts2 = list(filter(lambda snts2: len(snts2)!=1, snts2))
sntsNum2 =len(snts2)
sntlen2 = []
sntResult2 = []
for snt in snts2:
sntD = re.sub('，|：|“|”|‘|’', '', snt)
sntlen2.append(len(sntD))
sntResult2.append([snt, len(sntD)])
meanSntLen2 = numpy.mean(sntlen2)
readm.close()
# 建立结果保存excel
excelResult = xlwt.Workbook()
# 写入字频统计结果
sheet1 = excelResult.add_sheet(u'字频', cell_overwrite_ok=True)
charTitle = ['字', '字数', '占比', '字频（/百万）']
for col in range(len(charTitle)):
sheet1.write(0,col,charTitle[col])
for row, item in enumerate(charResult):
for col in range(len(item)):
sheet1.write(row+1,col,item[col])
print("字频统计完成")
# 写入词频统计结果
sheet2 = excelResult.add_sheet(u'词频', cell_overwrite_ok=True)
wordTitle = ['词', '次数', '词频', '词性']
for col in range(len(wordTitle)):
sheet2.write(0,col,wordTitle[col])
for row, item in enumerate(wordResult1):
for col in range(len(item)):
sheet2.write(row+1,col,item[col])
print("词频统计完成")
sheet2_1 = excelResult.add_sheet(u'排除词', cell_overwrite_ok=True)
wordTitle = ['词', '次数', '词频', '词性']
for col in range(len(wordTitle)):
sheet2_1.write(0,col,wordTitle[col])
for row, item in enumerate(wordResult2):
for col in range(len(item)):
sheet2_1.write(row+1,col,item[col])
print("词频2统计完成")
sheet3 = excelResult.add_sheet(u'分句-1', cell_overwrite_ok=True)
sntTitle = ['句子', '句长']
for col in range(len(sntTitle)):
sheet3.write(0,col,sntTitle[col])
for row, item in enumerate(sntResult1):
for col in range(len(item)):
sheet3.write(row+1,col,item[col])
print("分句-1统计完成")
sheet4 = excelResult.add_sheet(u'分句-2', cell_overwrite_ok=True)
sntTitle = ['句子', '句长']
for col in range(len(sntTitle)):
sheet4.write(0,col,sntTitle[col])
for row, item in enumerate(sntResult2):
for col in range(len(item)):
sheet4.write(row+1,col,item[col])
print("分句-2统计完成")
sheet5 = excelResult.add_sheet(u'统计', cell_overwrite_ok=True)
sataTitle = ['总字数', '用字数', '平均字频', '总词数（有重复）', '总词数（无重复）', '平均词频', '平均句长-1', '平均句长-2', '最长句长']
sataContain = [charNum1, charNum2, meanZP, wordNum1, wordNum2, meanCP, meanSntLen1, meanSntLen2, max(sntlen2)]
for row in range(len(sataTitle)):
sheet5.write(row,0,sataTitle[row])
sheet5.write(row,1,sataContain[row])
print('统计完成')
print('分析完成：'+fileName)
excelResult.save('./result/'+fileName+'.xls')