Python寫自動化之SVN更新
阿新 • • 發佈:2019-01-07
在遠端機器上執行指令碼時,為了能夠保證指令碼的實時性,我們一般會將指令碼存放到SVN上,遠端機器通過SVN的操作去更新指令碼;
SVN更新指令碼只需要2步就可以實現了,這個地方使用到pysvn庫,看下實現
# 初始化client self.client = pysvn.Client() self.client.set_default_username(self.username) self.client.set_default_password(util.decrypt_des(self.password)) #更新程式碼 self.client.update(self.localPath)
但是,在實際情況中,可能會出現update失敗的情況,我們增加異常後,重新checkout的操作,如下
#判斷更新是否成功
revision = None
try:
revision = self.client.update(self.localPath)
except:
log.exception(traceback.format_exc())
revision = None
if not os.path.exists(os.path.join(self.localPath, ".svn")):
revision = None
#更新失敗,則重新checkout if revision is None or revision[0].number == -1:
.......
self.client.checkout(self.url, self.localPath)
update異常一般這樣就可以解決了,如果我們在比較複雜的環境下,比如,有些機器需要通過代理訪問SVN,如何做呢?
svn通過代理,使用的方式是配置檔案的方式,那我們需要將代理伺服器資訊,以檔案寫入的方式寫到配置檔案中,然後使用配置檔案初始化svn物件即可,程式碼如下:
useProxy = util.get_prop("proxy.enable") if useProxy != "False": self._init_servers(configDir) self.client = pysvn.Client(configDir) else: self.client = pysvn.Client() self.client.set_default_username(self.username) self.client.set_default_password(util.decrypt_des(self.password))
這樣就ok了~最後附上全部的程式碼片段
class SVNInfo:
def __init__(self, **kwargs):
self.agent = agent.Agent()
if "id" in kwargs:
self.id = kwargs["id"]
if "url" in kwargs:
self.url = kwargs["url"]
if "username" in kwargs:
self.username = kwargs["username"]
if "password" in kwargs:
self.password = kwargs["password"]
if "localpath" in kwargs:
self.localPath = kwargs["localpath"]
if "startversion" in kwargs:
self.startVersion = kwargs["startversion"]
if "preversion" in kwargs:
self.preVersion = kwargs["preversion"]
def _init_servers(self, configDir):
proxyIP = util.get_prop("proxy.ip")
proxyPort = util.get_prop("proxy.port")
proxyUserName = util.get_prop("proxy.username")
proxyPwd = util.get_prop("proxy.password")
configStr = "[global]\r\n" \
"http-proxy-host = %s\r\n" \
"http-proxy-port = %s\r\n" \
"http-proxy-username = %s\r\n" \
"http-proxy-password = %s" % (proxyIP, proxyPort, proxyUserName, proxyPwd)
serversFilePath = os.path.join(configDir, "servers")
serverFile = codecs.open(serversFilePath, "w", "utf-8")
serverFile.write(configStr)
serverFile.close()
def init(self):
self.localPath = util.get_act_str(self.localPath, self.agent.envDict)
configDir = os.path.join(tempfile.gettempdir(), "pysvn")
if not os.path.exists(configDir):
os.makedirs(configDir)
useProxy = util.get_prop("proxy.enable")
if useProxy != "False":
self._init_servers(configDir)
self.client = pysvn.Client(configDir)
else:
self.client = pysvn.Client()
self.client.set_default_username(self.username)
self.client.set_default_password(util.decrypt_des(self.password))
def update(self):
try:
self.init()
revision = None
try:
revision = self.client.update(self.localPath)
except:
log.exception(traceback.format_exc())
revision = None
if not os.path.exists(os.path.join(self.localPath, ".svn")):
revision = None
if revision is None or revision[0].number == -1:
log.exception("into rename")
bakName = os.path.basename(self.localPath) + "_" + util.format_time()
os.popen("rename \"%s\" \"%s\"" % (self.localPath, bakName))
log.exception("into checkout")
self.client.checkout(self.url, self.localPath)
except:
log.exception(traceback.format_exc())