本文整理汇总了Python中alembic.script.revision.RevisionMap._iterate_revisions方法的典型用法代码示例。如果您正苦于以下问题：Python RevisionMap._iterate_revisions方法的具体用法？Python RevisionMap._iterate_revisions怎么用？Python RevisionMap._iterate_revisions使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类alembic.script.revision.RevisionMap的用法示例。
在下文中一共展示了RevisionMap._iterate_revisions方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_iterate_tolerates_dupe_targets
# 需要导入模块: from alembic.script.revision import RevisionMap [as 别名]
# 或者: from alembic.script.revision.RevisionMap import _iterate_revisions [as 别名]
def test_iterate_tolerates_dupe_targets(self):
map_ = RevisionMap(
lambda: [
Revision("a", ()),
Revision("b", ("a",)),
Revision("c", ("b",)),
]
)
eq_(
[r.revision for r in map_._iterate_revisions(("c", "c"), "a")],
["c", "b", "a"],
)示例2: test_iterate_tolerates_dupe_targets
# 需要导入模块: from alembic.script.revision import RevisionMap [as 别名]
# 或者: from alembic.script.revision.RevisionMap import _iterate_revisions [as 别名]
def test_iterate_tolerates_dupe_targets(self):
map_ = RevisionMap(
lambda: [
Revision('a', ()),
Revision('b', ('a',)),
Revision('c', ('b',)),
]
)
eq_(
[
r.revision for r in
map_._iterate_revisions(('c', 'c'), 'a')
],
['c', 'b', 'a']
)示例3: MultipleBaseCrossDependencyTestOne
# 需要导入模块: from alembic.script.revision import RevisionMap [as 别名]
# 或者: from alembic.script.revision.RevisionMap import _iterate_revisions [as 别名]
class MultipleBaseCrossDependencyTestOne(DownIterateTest):
def setUp(self):
"""
base1 -----> a1a -> b1a
+----> a1b -> b1b
|
+-----------+
|
v
base3 -> a3 -> b3
^
|
+-----------+
|
base2 -> a2 -> b2 -> c2 -> d2
"""
self.map = RevisionMap(
lambda: [
Revision('base1', (), branch_labels='b_1'),
Revision('a1a', ('base1',)),
Revision('a1b', ('base1',)),
Revision('b1a', ('a1a',)),
Revision('b1b', ('a1b', ), dependencies='a3'),
Revision('base2', (), branch_labels='b_2'),
Revision('a2', ('base2',)),
Revision('b2', ('a2',)),
Revision('c2', ('b2', ), dependencies='a3'),
Revision('d2', ('c2',)),
Revision('base3', (), branch_labels='b_3'),
Revision('a3', ('base3',)),
Revision('b3', ('a3',)),
]
)
def test_what_are_the_heads(self):
eq_(self.map.heads, ("b1a", "b1b", "d2", "b3"))
def test_heads_to_base(self):
self._assert_iteration(
"heads", "base",
[
'b1a', 'a1a', 'b1b', 'a1b', 'd2', 'c2', 'b2', 'a2', 'base2',
'b3', 'a3', 'base3',
'base1'
]
)
def test_heads_to_base_downgrade(self):
self._assert_iteration(
"heads", "base",
[
'b1a', 'a1a', 'b1b', 'a1b', 'd2', 'c2', 'b2', 'a2', 'base2',
'b3', 'a3', 'base3',
'base1'
],
select_for_downgrade=True
)
def test_same_branch_wrong_direction(self):
assert_raises_message(
RevisionError,
r"Revision d2 is not an ancestor of revision b2",
list,
self.map._iterate_revisions('b2', 'd2')
)
def test_different_branch_not_wrong_direction(self):
self._assert_iteration(
"b3", "d2",
[]
)
def test_we_need_head2_upgrade(self):
# the 2 branch relies on the 3 branch
self._assert_iteration(
"[email protected]", "base",
['d2', 'c2', 'b2', 'a2', 'base2', 'a3', 'base3']
)
def test_we_need_head2_downgrade(self):
# the 2 branch relies on the 3 branch, but
# on the downgrade side, don't need to touch the 3 branch
self._assert_iteration(
"[email protected]", "[email protected]",
['d2', 'c2', 'b2', 'a2', 'base2'],
select_for_downgrade=True
)
def test_we_need_head3_upgrade(self):
# the 3 branch can be upgraded alone.
self._assert_iteration(
"[email protected]", "base",
['b3', 'a3', 'base3']
#.........这里部分代码省略.........
示例4: MultipleBaseTest
# 需要导入模块: from alembic.script.revision import RevisionMap [as 别名]
# 或者: from alembic.script.revision.RevisionMap import _iterate_revisions [as 别名]
class MultipleBaseTest(DownIterateTest):
def setUp(self):
self.map = RevisionMap(
lambda: [
Revision('base1', ()),
Revision('base2', ()),
Revision('base3', ()),
Revision('a1a', ('base1',)),
Revision('a1b', ('base1',)),
Revision('a2', ('base2',)),
Revision('a3', ('base3',)),
Revision('b1a', ('a1a',)),
Revision('b1b', ('a1b',)),
Revision('b2', ('a2',)),
Revision('b3', ('a3',)),
Revision('c2', ('b2',)),
Revision('d2', ('c2',)),
Revision('mergeb3d2', ('b3', 'd2'))
]
)
def test_heads_to_base(self):
self._assert_iteration(
"heads", "base",
[
'b1a', 'a1a',
'b1b', 'a1b',
'mergeb3d2',
'b3', 'a3', 'base3',
'd2', 'c2', 'b2', 'a2', 'base2',
'base1'
]
)
def test_heads_to_base_exclusive(self):
self._assert_iteration(
"heads", "base",
[
'b1a', 'a1a',
'b1b', 'a1b',
'mergeb3d2',
'b3', 'a3', 'base3',
'd2', 'c2', 'b2', 'a2', 'base2',
'base1',
],
inclusive=False
)
def test_heads_to_blank(self):
self._assert_iteration(
"heads", None,
[
'b1a', 'a1a',
'b1b', 'a1b',
'mergeb3d2',
'b3', 'a3', 'base3',
'd2', 'c2', 'b2', 'a2', 'base2',
'base1'
]
)
def test_detect_invalid_base_selection(self):
assert_raises_message(
RevisionError,
"Requested revision a2 overlaps with "
"other requested revisions",
list,
self.map._iterate_revisions(["c2"], ["a2", "b2"])
)
def test_heads_to_revs_plus_implicit_base_exclusive(self):
self._assert_iteration(
"heads", ["c2"],
[
'b1a', 'a1a',
'b1b', 'a1b',
'mergeb3d2',
'b3', 'a3', 'base3',
'd2',
'base1'
],
inclusive=False,
implicit_base=True
)
def test_heads_to_revs_base_exclusive(self):
self._assert_iteration(
"heads", ["c2"],
[
'mergeb3d2', 'd2'
],
inclusive=False
)
def test_heads_to_revs_plus_implicit_base_inclusive(self):
self._assert_iteration(
#.........这里部分代码省略.........
示例5: BranchTravellingTest
# 需要导入模块: from alembic.script.revision import RevisionMap [as 别名]
# 或者: from alembic.script.revision.RevisionMap import _iterate_revisions [as 别名]
#.........这里部分代码省略.........
] # noqa
)
def test_two_branches_end_behind_branch(self):
self._assert_iteration(
"merge", "a2",
['merge',
'e2b1', 'db1', 'cb1', 'b1', # e2b1 branch
'e2b2', 'db2', 'cb2', 'b2', # e2b2 branch
'a3', # both terminate at a3
'a2'
] # noqa
)
def test_three_branches_to_root(self):
# in this case, both "a3" and "db1" are stop points
self._assert_iteration(
["merge", "fe1b1"], "a1",
['merge',
'e2b1', # e2b1 branch
'e2b2', 'db2', 'cb2', 'b2', # e2b2 branch
'fe1b1', 'e1b1', # fe1b1 branch
'db1', # fe1b1 and e2b1 branches terminate at db1
'cb1', 'b1', # e2b1 branch continued....might be nicer
# if this was before the e2b2 branch...
'a3', # e2b1 and e2b2 branches terminate at a3
'a2', 'a1' # finish out
] # noqa
)
def test_three_branches_end_multiple_bases(self):
# in this case, both "a3" and "db1" are stop points
self._assert_iteration(
["merge", "fe1b1"], ["cb1", "cb2"],
[
'merge',
'e2b1',
'e2b2', 'db2', 'cb2',
'fe1b1', 'e1b1',
'db1',
'cb1'
]
)
def test_three_branches_end_multiple_bases_exclusive(self):
self._assert_iteration(
["merge", "fe1b1"], ["cb1", "cb2"],
[
'merge',
'e2b1',
'e2b2', 'db2',
'fe1b1', 'e1b1',
'db1',
],
inclusive=False
)
def test_detect_invalid_head_selection(self):
# db1 is an ancestor of fe1b1
assert_raises_message(
RevisionError,
"Requested revision fe1b1 overlaps "
"with other requested revisions",
list,
self.map._iterate_revisions(["db1", "b2", "fe1b1"], ())
)
def test_three_branches_end_multiple_bases_exclusive_blank(self):
self._assert_iteration(
["e2b1", "b2", "fe1b1"], (),
[
'e2b1',
'b2',
'fe1b1', 'e1b1',
'db1', 'cb1', 'b1', 'a3', 'a2', 'a1'
],
inclusive=False
)
def test_iterate_to_symbolic_base(self):
self._assert_iteration(
["fe1b1"], "base",
['fe1b1', 'e1b1', 'db1', 'cb1', 'b1', 'a3', 'a2', 'a1'],
inclusive=False
)
def test_ancestor_nodes(self):
merge = self.map.get_revision("merge")
eq_(
set(
rev.revision
for rev in self.map._get_ancestor_nodes([merge], check=True)
),
set(['a1', 'e2b2', 'e2b1', 'cb2', 'merge',
'a3', 'a2', 'b1', 'b2', 'db1', 'db2', 'cb1'])
)示例6: MultipleBranchTest
# 需要导入模块: from alembic.script.revision import RevisionMap [as 别名]
# 或者: from alembic.script.revision.RevisionMap import _iterate_revisions [as 别名]
class MultipleBranchTest(DownIterateTest):
def setUp(self):
self.map = RevisionMap(
lambda: [
Revision('a', ()),
Revision('b1', ('a',)),
Revision('b2', ('a',)),
Revision('cb1', ('b1',)),
Revision('cb2', ('b2',)),
Revision('d1cb1', ('cb1',)), # head
Revision('d2cb1', ('cb1',)), # head
Revision('d1cb2', ('cb2',)),
Revision('d2cb2', ('cb2',)),
Revision('d3cb2', ('cb2',)), # head
Revision('d1d2cb2', ('d1cb2', 'd2cb2')) # head + merge point
]
)
def test_iterate_from_merge_point(self):
self._assert_iteration(
"d1d2cb2", "a",
['d1d2cb2', 'd1cb2', 'd2cb2', 'cb2', 'b2', 'a']
)
def test_iterate_multiple_heads(self):
self._assert_iteration(
["d2cb2", "d3cb2"], "a",
['d2cb2', 'd3cb2', 'cb2', 'b2', 'a']
)
def test_iterate_single_branch(self):
self._assert_iteration(
"d3cb2", "a",
['d3cb2', 'cb2', 'b2', 'a']
)
def test_iterate_single_branch_to_base(self):
self._assert_iteration(
"d3cb2", "base",
['d3cb2', 'cb2', 'b2', 'a']
)
def test_iterate_multiple_branch_to_base(self):
self._assert_iteration(
["d3cb2", "cb1"], "base",
['d3cb2', 'cb2', 'b2', 'cb1', 'b1', 'a']
)
def test_iterate_multiple_heads_single_base(self):
# head d1cb1 is omitted as it is not
# a descendant of b2
self._assert_iteration(
["d1cb1", "d2cb2", "d3cb2"], "b2",
["d2cb2", 'd3cb2', 'cb2', 'b2']
)
def test_same_branch_wrong_direction(self):
# nodes b1 and d1cb1 are connected, but
# db1cb1 is the descendant of b1
assert_raises_message(
RevisionError,
r"Revision d1cb1 is not an ancestor of revision b1",
list,
self.map._iterate_revisions('b1', 'd1cb1')
)
def test_distinct_branches(self):
# nodes db2cb2 and b1 have no path to each other
assert_raises_message(
RevisionError,
r"Revision b1 is not an ancestor of revision d2cb2",
list,
self.map._iterate_revisions('d2cb2', 'b1')
)
def test_wrong_direction_to_base_as_none(self):
# this needs to raise and not just return empty iteration
# as added by #258
assert_raises_message(
RevisionError,
r"Revision d1cb1 is not an ancestor of revision base",
list,
self.map._iterate_revisions(None, 'd1cb1')
)
def test_wrong_direction_to_base_as_empty(self):
# this needs to raise and not just return empty iteration
# as added by #258
assert_raises_message(
RevisionError,
r"Revision d1cb1 is not an ancestor of revision base",
list,
self.map._iterate_revisions((), 'd1cb1')
)示例7: MultipleBaseTest
# 需要导入模块: from alembic.script.revision import RevisionMap [as 别名]
# 或者: from alembic.script.revision.RevisionMap import _iterate_revisions [as 别名]
class MultipleBaseTest(DownIterateTest):
def setUp(self):
self.map = RevisionMap(
lambda: [
Revision("base1", ()),
Revision("base2", ()),
Revision("base3", ()),
Revision("a1a", ("base1",)),
Revision("a1b", ("base1",)),
Revision("a2", ("base2",)),
Revision("a3", ("base3",)),
Revision("b1a", ("a1a",)),
Revision("b1b", ("a1b",)),
Revision("b2", ("a2",)),
Revision("b3", ("a3",)),
Revision("c2", ("b2",)),
Revision("d2", ("c2",)),
Revision("mergeb3d2", ("b3", "d2")),
]
)
def test_heads_to_base(self):
self._assert_iteration(
"heads",
"base",
[
"b1a",
"a1a",
"b1b",
"a1b",
"mergeb3d2",
"b3",
"a3",
"base3",
"d2",
"c2",
"b2",
"a2",
"base2",
"base1",
],
)
def test_heads_to_base_exclusive(self):
self._assert_iteration(
"heads",
"base",
[
"b1a",
"a1a",
"b1b",
"a1b",
"mergeb3d2",
"b3",
"a3",
"base3",
"d2",
"c2",
"b2",
"a2",
"base2",
"base1",
],
inclusive=False,
)
def test_heads_to_blank(self):
self._assert_iteration(
"heads",
None,
[
"b1a",
"a1a",
"b1b",
"a1b",
"mergeb3d2",
"b3",
"a3",
"base3",
"d2",
"c2",
"b2",
"a2",
"base2",
"base1",
],
)
def test_detect_invalid_base_selection(self):
assert_raises_message(
RevisionError,
"Requested revision a2 overlaps with " "other requested revisions",
list,
self.map._iterate_revisions(["c2"], ["a2", "b2"]),
)
def test_heads_to_revs_plus_implicit_base_exclusive(self):
self._assert_iteration(
"heads",
["c2"],
#.........这里部分代码省略.........