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= Deleting branches =
Branches that have no revisions or links to other Launchpad objects
can be deleted. The main use for this is to allow users to delete
branches that have been created in error.
>>> from lp.code.enums import BranchType
>>> login(ANONYMOUS)
>>> alice = factory.makePerson(name="alice", password="test",
... email="alice@example.com")
>>> product = factory.makeProduct(
... name='earthlynx', displayname="Earth Lynx", owner=alice)
>>> branch = factory.makeProductBranch(
... product=product, branch_type=BranchType.HOSTED)
>>> productseries = factory.makeProductSeries(
... product=product, branch=branch)
>>> login_person(alice)
>>> product.development_focus = productseries
>>> logout()
>>> browser = setupBrowser(auth="Basic alice@example.com:test")
>>> browser.open('http://code.launchpad.dev/earthlynx')
>>> browser.getLink("Register a branch").click()
>>> browser.getControl('Branch URL').value = 'http://foo.bar.com/oops'
>>> browser.getControl('Name').value = 'to-delete'
>>> browser.getControl('Register Branch').click()
>>> print browser.title
to-delete : Code : Earth Lynx
The newly created branch has an action 'Delete branch'.
>>> delete_link = browser.getLink('Delete branch')
>>> print delete_link.url
http://code.launchpad.dev/~alice/earthlynx/to-delete/+delete
When the user clicks on the link, they are informed what will happen if they
delete the branch.
>>> delete_link.click()
>>> print extract_text(find_main_content(browser.contents))
Delete branch
Earth Lynx...
Branch deletion is permanent.
or Cancel
Once the branch has been deleted, the user is taken back to the code
listing for deleted branch's product, and a message is shown saying that
the branch has been deleted.
>>> browser.getControl('Delete').click()
>>> print browser.url
http://code.launchpad.dev/earthlynx
>>> for message in get_feedback_messages(browser.contents):
... print message
Branch ~alice/earthlynx/to-delete deleted...
If the branch is junk, then the user is taken back to the code listing for
the deleted branch's owner.
>>> browser.open('http://code.launchpad.dev/~alice')
>>> browser.getLink("Register a branch").click()
>>> browser.getControl('Hosted').click()
>>> browser.getControl('Name').value = 'to-delete'
>>> browser.getControl('Register Branch').click()
>>> browser.getLink('Delete branch').click()
>>> browser.getControl('Delete').click()
>>> print browser.url
http://code.launchpad.dev/~alice
>>> for message in get_feedback_messages(browser.contents):
... print message
Branch ~alice/+junk/to-delete deleted...
Branches that are stacked upon cannot be deleted.
>>> from lp.testing.sampledata import ADMIN_EMAIL
>>> login(ADMIN_EMAIL)
>>> stacked_upon = factory.makeAnyBranch()
>>> stacked = factory.makeAnyBranch(stacked_on=stacked_upon)
>>> branch_location = canonical_url(stacked_upon)
>>> logout()
Even if you are an admin.
>>> admin_browser.open(branch_location)
>>> admin_browser.getLink('Delete branch').click()
>>> print extract_text(find_main_content(admin_browser.contents))
Delete branch...
This branch cannot be deleted as it has 1 branch sharing revisions.
However, you can delete a branch that's the official branch of a source
package.
>>> from zope.component import getUtility
>>> from zope.security.proxy import removeSecurityProxy
>>> from lp.app.interfaces.launchpad import ILaunchpadCelebrities
>>> from lp.registry.interfaces.pocket import PackagePublishingPocket
>>> login(ANONYMOUS)
>>> ubuntu_branches = getUtility(ILaunchpadCelebrities).ubuntu_branches
>>> ignored = removeSecurityProxy(ubuntu_branches).addMember(
... alice, ubuntu_branches.teamowner)
>>> login_person(alice)
>>> branch = factory.makePackageBranch(owner=alice)
>>> package = branch.sourcepackage
>>> package.setBranch(
... PackagePublishingPocket.RELEASE, branch, branch.registrant)
>>> branch_url = canonical_url(branch)
>>> logout()
>>> browser.open(branch_url)
>>> browser.getLink('Delete branch').click()
>>> browser.getControl('Delete').click()
>>> for message in get_feedback_messages(browser.contents):
... print message
Branch ... deleted...
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