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首先我要告诉你我正在开发 Python 3.3。

我从 python 和正则表达式开始，我想知道如何从 2 个正则表达式之间的.txt文件中捕获文本块。

这是我的文件中的一个示例：

    commit 1f0883381054b796b643dcff974435633eed8a79
    this is
    commit 1
    bloc

    commit 2f0883381054b796b643dcff974435633eed8a78
    this is
    commit 2

    bloc

    commit 3f0883381054b796b643dcff974435633eed8a77
    this is

    commit 3


    bloc

    commit 4f0883381054b796b643dcff974435633eed8a76

    this is
    commit 
    4
    bloc

所以我想捕捉 2 个正则表达式之间的文本，以commitAND 开头，后跟一个空格和 40 个字符（我想这是 : ^commit.{41}）。NB 一条线刚开始，commit后面没有任何东西不应该工作。当然，我必须能够获得最后一个提交块。它不会以 a 结尾，commit.{41}而是以文件结尾。

一旦我完成了所有的块，我就必须能够处理它。这是 a 的git log -p样子

commit 1f0883381054b796b643dcff974435633eed8a79
Merge: 4e1d5f7 8ffg9do
Author: name <email>
Date:   date of commit

    "comment 
    of the commit
    on multilines"

diff --…
index …
--- …
+++ …
@@ …
-…
+…
 …

diff --…
index …
--- …
+++ …
@@ …

commit 2f0883381054b796b643dcff974435633eed8a78
Author: name <email>
Date:   date

例如，得到commitBlock[0]. 那将是：

Merge: 4e1d5f7 8ffg9do
Author: name <email>
Date:   date of commit

    "comment 
    of the commit
    on multilines"

diff --…
index …
--- …
+++ …
@@ …
-…
+…
 …

diff --…
index …
--- …
+++ …
@@ …

提取Author:线 (= Author: name <email>)

提取注释commitBlock：“多行提交的注释”

对于diffBlock.

NB 和 一样commitBlock，diffBlock当有 another diffor a commit.{41}or a时应该停止end of file

我尝试了几件事：

这是我在意识到我需要获得 multines 块之前所拥有的。

source = open("file.txt","rt", encoding="ISO-8859-1")

for line in source:

    commit = re.findall('^commit.{41}',line) #line starts with by "commit" and is followed by 41 characters
    merge = re.findall('^Merge:.*',line)
    author = re.findall('^Author:.*',line)
    date = re.findall('^Date:.*',line)
    signed = re.findall('Signed-off-by:.*', line)

    for commitLine in commit:
        print (commitLine)
        #post into DB

    for mergeLine in merge:
        print (mergeLine)
        #post into DB
    .
    .
    .

或 re.findall('^commit.{41}(.*?)^commit.{41}| endofile ', source.read(), re.DOTALL|re.M)

我也尝试使用re.split(). 它适用于commitBlock！但是当我想拆分时我遇到了问题diffBlock，commentBlock因为我有时应该使用这commit条线来停止阻塞。它不再出现，因为split.

import os
import re
from pymongo import Connection


source = open("testSelection.txt","r", encoding="ISO-8859-1") #file that we want to analyse
sourceRead = open("testSelection.txt","r", encoding="ISO-8859-1").read() #writing source.read() bugs...
print(source.name)


commit = []
for line in source:
    if line[:6]=="commit":
            commitId = line[7:]
            commit.append(line)

f=1
while f < len(commitBlock):
    lineCommitBlock = re.split('\n', commitBlock[f])
    diffBlock = re.split('\ndiff', commitBlock[f])
    print("-----------------------------NEW COMMIT BLOCK-------------------------------")
    print(commit[f-1])
    i=0
    while i < len(lineCommitBlock):
        if "Merge:" in lineCommitBlock[i]:
            print(lineCommitBlock[i])
        elif "Author:" in lineCommitBlock[i]:
            print(lineCommitBlock[i])
        elif "Date:" in lineCommitBlock[i]:
            print(lineCommitBlock[i])
        elif "Signed-off-by:" in lineCommitBlock[i]:
            print(lineCommitBlock[i])
        elif "Tested-by:" in lineCommitBlock[i]:
            print(lineCommitBlock[i])
        elif "Reviewed-by:" in lineCommitBlock[i]:
            print(lineCommitBlock[i])
        i += 1
    print("Before commentBlock <--------------------------------------------------------------------")

    print("Adter commentBlock <--------------------------------------------------------------------")
    j=1   
    while j < len(diffBlock):
        print(diffBlock[j])
        j += 1

    f += 1

source.close()

（我同意，它看起来一团糟！）

知道如何解决我的问题吗？谢谢 ！

编辑：
我几乎完成了我的工作，所以我想我找到使用正则表达式或其他东西而不是使用 GitPython（适用于 Python 2.，而不是 3....）的方法会更快。
有人可以帮我解决这个问题吗？

我所需要的只是在文件的开头Date:和 adiff或 acommit或结尾的行之后捕获文本。

我真的卡在了这一点上......

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0 回答 0