Selenium启动Chrome时配置选项详解
Selenium操作浏览器是不加载任何配置的，网上找了半天，关于Firefox加载配置的多点，Chrome资料很少，下面是关于加载Chrome配置的方法：
一、加载所有Chrome配置
用Chrome地址栏输入chrome://version/，查看自己的“个人资料路径”，然后在浏览器启动时，调用这个配置文件，代码如下：
#coding=utf-8
fromseleniumimportwebdriver
option=webdriver.ChromeOptions()
option.add_argument('--user-data-dir=C:\Users\Administrator\AppData\Local\Google\Chrome\UserData')#设置成用户自己的数据目录
driver=webdriver.Chrome(chrome_options=option)
二、修改浏览器的User-Agent来伪装你的浏览器访问手机m站
#coding=utf-8
fromseleniumimportwebdriver
option=webdriver.ChromeOptions()
option.add_argument('--user-agent=iphone')
driver=webdriver.Chrome(chrome_options=option)
driver.get('http://www.taobao.com/')
三、浏览器启动时安装crx扩展
#coding=utf-8
fromseleniumimportwebdriver
option=webdriver.ChromeOptions()
option.add_extension('d:\crx\AdBlock_v2.17.crx')#自己下载的crx路径
driver=webdriver.Chrome(chrome_options=option)
driver.get('http://www.taobao.com/')
可以去https://sites.google.com/a/chromium.org/chromedriver/capabilities查看更多，或者去http://stackoverflow.com/查找。
下边是收集的一些配置信息：
一些Chrome的地址栏命令（这些命令会不停的变动，所有不一定都是好用的）
在Chrome的浏览器地址栏中输入以下命令，就会返回相应的结果。这些命令包括查看内存状态，浏览器状态，网络状态，DNS服务器状态，插件缓存等等。
about:version-显示当前版本
about:memory-显示本机浏览器内存使用状况
about:plugins-显示已安装插件
about:histograms-显示历史记录
about:dns-显示DNS状态
about:cache-显示缓存页面
about:gpu-是否有硬件加速
about:flags-开启一些插件//使用后弹出这么些东西：“请小心，这些实验可能有风险”，不知会不会搞乱俺的配置啊！
chrome://extensions/-查看已经安装的扩展
其他的一些关于Chrome的实用参数及简要的中文说明（使用方法同上，当然也可以在shell中使用）
–user-data-dir=”[PATH]”指定用户文件夹UserData路径，可以把书签这样的用户数据保存在系统分区以外的分区。
–disk-cache-dir=”[PATH]“指定缓存Cache路径
–disk-cache-size=指定Cache大小，单位Byte
–firstrun重置到初始状态，第一次运行
–incognito隐身模式启动
–disable-javascript禁用Javascript
--omnibox-popup-count="num"将地址栏弹出的提示菜单数量改为num个。我都改为15个了。
--user-agent="xxxxxxxx"修改HTTP请求头部的Agent字符串，可以通过about:version页面查看修改效果
--disable-plugins禁止加载所有插件，可以增加速度。可以通过about:plugins页面查看效果
--disable-javascript禁用JavaScript，如果觉得速度慢在加上这个
--disable-java禁用java
--start-maximized启动就最大化
--no-sandbox取消沙盒模式
--single-process单进程运行
--process-per-tab每个标签使用单独进程
--process-per-site每个站点使用单独进程
--in-process-plugins插件不启用单独进程
--disable-popup-blocking禁用弹出拦截
--disable-plugins禁用插件
--disable-images禁用图像
--incognito启动进入隐身模式
--enable-udd-profiles启用账户切换菜单
--proxy-pac-url使用pac代理[via1/2]
--lang=zh-CN设置语言为简体中文
--disk-cache-dir自定义缓存目录
--disk-cache-size自定义缓存最大值（单位byte）
--media-cache-size自定义多媒体缓存最大值（单位byte）
--bookmark-menu在工具栏增加一个书签按钮
--enable-sync启用书签同步
常用:
–single-process单进程运行GoogleChrome
–start-maximized启动GoogleChrome就最大化
–disable-java禁止Java
–no-sandbox 非沙盒模式运行
全部:(下面的没有进行翻译,仔细看下应该都看得懂.~~)
–disable-hang-monitor
Suppresseshangmonitordialogsinrendererprocesses.
–disable-metrics
CompletelydisablesUMAmetricssystem.
–disable-metrics-reporting
Disablesonlythesendingofmetricsreports.IncontrasttokDisableMetrics,thisexecutesallthecodethatanormalclientwoulduseforreporting,exceptthereportisdroppedratherthansenttotheserver.ThisisusefulforfindingissuesinthemetricscodeduringUIandperformancetests.
–assert-test
Causesthebrowserprocesstothrowanassertiononstartup.
–renderer-assert-test
Causestherendererprocesstothrowanassertiononlaunch.
–crash-test
Performsacrashtestwhenthebrowserisstarte.
–renderer-crash-test
Causestherendererprocesstocrashonlaunch.
–renderer-startup-dialog
UsethisargumentwhenyouwanttoseethechildprocessesassoonasChromestart.
–plugin-startup-dialog
Causesthepluginprocesstodisplayadialogonlaunch.
–testshell-startup-dialog
Causesthetestshellprocesstodisplayadialogonlaunch.
–plugin-launcher
Specifiesacommandthatshouldbeusedtolaunchthepluginprocess.Useful
forrunningthepluginprocessthroughpurifyorquantify.Ex:
–plugin-launcher=”path\to\purify/Run=yes.
–plugin-launche.
–channel
Thevalueofthisswitchtellsthechildprocesswhich
IPCchannelthebrowserexpectstousetocommunicatewithit.
–testing-channel
Thevalueofthisswitchtellstheapptolistenforandbroadcast
testing-relatedmessagesonIPCchannelwiththegivenID.
–homepage
Thevalueofthisswitchspecifieswhichpagewillbedisplayed
innewly-openedtabs.Weneedthisfortestingpurposesso
thattheUItestsdon'tdependonwhatcomesupforhttp://google.com.
–start-renderers-manually
Whenthisswitchispresent,thebrowserwillthrowupadialogbox
askingtheusertostartarendererprocessindependentlyrather
thanlaunchingtherendereritself.(Thisisusefulfordebugging..
–renderer
Causestheprocesstorunasrendererinsteadofasbrowser.
–renderer-path
Pathtotheexecutabletorunfortherenderersubproces.
–plugin
Causestheprocesstorunaspluginhos.
–single-process
Runstherendererandpluginsinthesameprocessasthebrowse.
–process-per-tab
Runseachsetofscript-connectedtabs(i.e.,aBrowsingInstance)initsown
rendererprocess.Wedefaulttousingarendererprocessforeach
siteinstance(i.e.,groupofpagesfromthesameregistereddomainwith
scriptconnectionstoeachother).
–process-per-site
Runsasingleprocessforeachsite(i.e.,groupofpagesfromthesame
registereddomain)theuservisits.Wedefaulttousingarendererprocess
foreachsiteinstance(i.e.,groupofpagesfromthesameregistered
domainwithscriptconnectionstoeachother).
–in-process-plugins
Runspluginsinsidetherendererproces.
–no-sandbox
Runstherendereroutsidethesandbox.
–safe-plugins
Runsthepluginprocessesinsidethesandbox.
–trusted-plugins
Excludesthesepluginsfromthepluginsandbox.
Thisisacommaseparatedlistofplugindllsnameandactivexclsid.
–test-sandbox
Runsthesecuritytestforthesandbox.
–user-data-dir
Specifiestheuserdatadirectory,whichiswherethebrowserwilllook
forallofitsstate.
–app
Specifiesthattheassociatedvalueshouldbelaunchedin“application”mode.
–upload-file
Specifiesthefilethatshouldbeuploadedtotheprovidedapplication.This
switchisexpectedtobeusedwith–appoption.
–dom-automation
Specifiesifthedom_automation_controller_needstobeboundinthe
renderer.Thisbindinghappensonper-framebasisandhencecanpotentially
beaperformancebottleneck.Oneshouldonlyenableitwhenautomating
dombasedtests.
–plugin-path
Tellsthepluginprocessthepathoftheplugintoloa.
–js-flags
SpecifiestheflagspassedtoJSengin.
–geoid
TheGeoIDweshoulduse.Thisisnormallyobtainedfromtheoperatingsystem
duringfirstrunandcachedinthepreferencesafterwards.Thisisanumeric
value;seehttp://msdn.microsoft.com/en-us/library/ms776390.aspx.
–lang
Thelanguagefilethatwewanttotrytoopen.Oftheform
language[-country]wherelanguageisthe2lettercodefromISO-639.
–debug-children
WilladdkDebugOnStarttoeverychildprocesses.Ifavalueispassed,it
willbeusedasafiltertodetermineifthechildprocessshouldhavethe
kDebugOnStartflagpassedonornot.
–debug-on-start
CausestheprocesstostarttheJITdebuggeronitself(mainlyusedby–debug-children.
–wait-for-debugger-children
WilladdkWaitForDebuggertoeverychildprocesses.Ifavalueispassed,it
willbeusedasafiltertodetermineifthechildprocessshouldhavethe
kWaitForDebuggerflagpassedonornot.
–wait-for-debugger
Waitsforadebuggerfor60second.
–log-filter-prefix
Willfilterlogmessagestoshowonlythemessagesthatareprefixed
withthespecifiedvalu.
–enable-logging
Forceloggingtobeenabled.Loggingisdisabledbydefaultinrelease
builds.
–dump-histograms-on-exit
Dumpanyaccumualtedhistogramstothelogwhenbrowserterminates(requires
loggingtobeenabledtoreallydoanything).Usedbydevelopersandtest
scripts.
–disable-logging
Forceloggingtobedisabled.Loggingisenabledbydefaultindebug
builds.
–log-level
Setstheminimumloglevel.Validvaluesarefrom0to3:
INFO=0,WARNING=1,LOG_ERROR=2,LOG_FATAL=3.
–remote-shell-port
Enableremotedebug/automationshellonthespecifiedpor.
–uninstall
Runsun-installationstepsthatweredonebychromefirst-run.
–omnibox-popup-count
Numberofentriestoshowintheomniboxpopup.
–uninstallomnibox-popup-count
Removestheprevioussetsuggestioncoun.
–automation-channel
Thevalueofthisswitchtellstheapptolistenforandbroadcast
automation-relatedmessagesonIPCchannelwiththegivenID.
–restore-last-session
Indicatesthelastsessionshouldberestoredonstartup.Thisoverrides
thepreferencesvalueandisprimarilyintendedfortesting.
–record-mode
–playback-mode
Chromesupportsaplaybackandrecordmode.Recordmodesaves*everything*
tothecache.Playbackmodereadsdataexclusivelyfromthecache.This
allowsustorecordasessionintothecacheandthenreplayitatwill.
–no-events
Don'trecord/playbackeventswhenusingrecord&playback.
–hide-icons
–show-icons
MakeWindowshappybyallowingittoshow“Enableaccesstothisprogram”
checkboxinAdd/RemovePrograms->SetProgramAccessandDefaults.This
onlyshowsanerrorboxbecausetheonlywaytohideChromeisby
uninstallingit.
–make-default-browser
MakeChromedefaultbrowse.
–proxy-server
Useaspecifiedproxyserver,overridessystemsettings.Thisswitchonly
affectsHTTPandHTTPSrequests.
–dns-log-details
–dns-prefetch-disable
ChromewillsupportprefetchingofDNSinformation.Untilthisbecomes
thedefault,we'llprovideacommandlineswitch.
–debug-print
Enablessupporttodebugprintingsubsystem.
–allow-all-activex
Allowinitializationofallactivexcontrols.Thisisonlytohelpwebsite
developerstesttheircontrolstoseeiftheyarecompatibleinChrome.
Notethere'saduplicatevalueinactivex_shared.cc(toavoid
dependencyonchromemodule).Pleasechangebothlocationsatthesametime.
–disable-dev-tools
Browserflagtodisablethewebinspectorforallrenderers.
–always-enable-dev-tools
Enablewebinspectorforallwindows,evenifthey'repartofthebrowser.
Allowsustouseourdevtoolstodebugbrowserwindowsitself.
–memory-model
ConfigureChrome'smemorymodel.
Doeschromereallyneedmultiplememorymodels?No.Butwegetalot
ofconcernsfromindividualsabouthowthechangesworkon*their*
system,andweneedtobeabletoexperimentwithafewchoices.
–tab-count-to-load-on-session-restore
UsedtosetthevalueofSessionRestore::num_tabs_to_load_.Seesession_restore.hfordetails.
constwchar_tkTabCountToLoadOnSessionRestore[].
–memory-profile
EnabledynamicloadingoftheMemoryProfilerDLL,whichwilltrace
allmemoryallocationsduringtherun.
–enable-file-cookies
Bydefault,cookiesarenotallowedonfile://.Theyareneededinfor
testing,forexamplepagecyclerandlayouttests.Seebug1157243.
–start-maximized
Startthebrowsermaximized,regardlessofanyprevioussettings.
TODO(pjohnson):Removethisoncebug1137420isfixed.Weareusingthis
asaworkaroundfornotbeingabletousemoveToandresizeToona
top-levelwindow.
–enable-watchdog
Spawnthreadstowatchforexcessivedelaysinspecifiedmessageloops.
UsershouldsetbreakpointsonAlarm()toexamineproblematicthread.
Usage:-enable-watchdog=[ui][io]
Orderofthelistedsub-argumentsdoesnotmatter.
–first-run
DisplaytheFirstRunexperiencewhenthebrowserisstarted,regardlessof
whetherornotit'sactuallythefirstrun.
–message-loop-strategy
–message-loop-histogrammer
EnablehistogramingoftasksservedbyMessageLoop.Seeabout:histograms/Loop
forresults,whichshowfrequencyofmessagesoneachthread,includingAPC
count,objectsignallingcount,etc.
–import
Performimportingfromanotherbrowser.Thevalueassociatedwiththis
settingencodesthetargetbrowserandwhatitemstoimport.
–silent-dump-on-dcheck
ChangetheDCHECKStodumpmemoryandcontinueinsteadofcrashing.
ThisisvalidonlyinReleasemodewhen–enable-dcheckisspecified.
–disable-prompt-on-repost
Normallywhentheuserattemptstonavigatetoapagethatwastheresultof
apostweprompttomakesuretheywantto.Thisswitchmaybeusedto
disablethatcheck.Thisswitchisusedduringautomatedtesting.
–disable-popup-blocking
Disablepop-upblocking.
–disable-javascript
Don'texecuteJavaScript(browserJSlikethenewtabpagestillruns).
–disable-java
PreventJavafromrunning.
–disable-plugins
Preventpluginsfromrunning.
–disable-images
Preventimagesfromloading.
–use-lf-heap
UsethelowfragmentationheapfortheCRT.
–gears-plugin-path
Debugonlyswitchtospecifywhichgearsplugindlltoload.
–gears-in-renderer
SwitchtoloadGearsintherendererprocess.
–enable-p13n
–javascript-debugger-path
AllowloadingofthejavascriptdebuggerUIfromthefilesystem.
–new-http
EnablenewHTTPstack.
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