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l mZ d dl mZ d dl mZ ddlmZ ddlmZ ddlmZ ddlm Z ddlm Z er ddl m Z ddl m Z ddl!m"Z" ddl!m#Z# ddl$m%Z% d d l&m'Z' n
# e($ r dZ'Y nw xY wee)ee) f Z* ej+ d Z, ej+ d Z- ej+ d Z. ej+ d Z/ ej+ d! Z0d"Z1 ej+ d# Z2 ej+ d$ Z3 G d% d& Z4 G d' d(ej% Z5dS )) ) annotations)contextmanagerN)
ModuleType)Any)cast)Iterator)List)Mapping)Optional)Sequence)Set)Tuple)
TYPE_CHECKING)Union revision) write_hooks )util) migration)not_none)Config)MessagingOptions) RevisionStep) StampStep)Revision)tzz (?!\.\#|__init__)(.*\.py)(c|o)?$z(?!\.\#|__init__)(.*\.py)$z([a-f0-9]+)\.py$z (upgrade|downgrade)_([a-z0-9]+)z\w+z%(rev)s_%(slug)sz
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, *|(?: +)|\:c e Zd ZdZeddddddd edej f dadZe dbd Z
ej d Z dcd Z
eddd Ze dedfd' Z dgdhd+Zdid/Zdjd2Zdkd4Zdld6Zdmd<Zdnd=Zdod?Zdnd@ZdodAZdpdEZ dqdFZ drdIZ dsdJZ e dK Z dtdNZ!dudOZ"dvdQZ#dwdSZ$ dxdyd]Z%dzd`Z&dS ){ScriptDirectoryaH Provides operations upon an Alembic script directory.
This object is useful to get information as to current revisions,
most notably being able to get at the "head" revision, for schemes
that want to test if the current revision in the database is the most
recent::
from alembic.script import ScriptDirectory
from alembic.config import Config
config = Config()
config.set_main_option("script_location", "myapp:migrations")
script = ScriptDirectory.from_config(config)
head_revision = script.get_current_head()
( NFutf-8r dirstr
file_templatetruncate_slug_length
Optional[int]version_locationsOptional[List[str]]
sourcelessbooloutput_encodingtimezone
Optional[str] hook_configOptional[Mapping[str, str]]recursive_version_locationsmessaging_optsreturnNonec x || _ || _ || _ |pd| _ || _ || _ t
j | j | _ || _
|| _ | | _ |
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t j |t j s4t# j dt j | z d S )Nr! zVPath doesn't exist: %r. Please use the 'init' command to create a new scripts folder.)r# r% r( r& r* r, r RevisionMap_load_revisions revision_mapr- r/ r1 r2 osaccessF_OKr CommandErrorpathabspath) selfr# r% r& r( r* r, r- r/ r1 r2 s e/builddir/build/BUILD/cloudlinux-venv-1.0.10/venv/lib/python3.11/site-packages/alembic/script/base.py__init__zScriptDirectory.__init__J s *!2 $8$>B!$ . $ 01E F F
&+F( ,ybg&& #"$&GOOC$8$89
c n | j }t | dk rt j d |d S )Nr z"Multiple version_locations presentr )_version_locationslenr r< )r? locs r@ versionszScriptDirectory.versionsl s4 % s88a<<#$HII Iq6MrB c | j rd | j D S t j t j | j d fS )Nc p g | ]3}t j t j | 4S )r9 r= r> r coerce_resource_to_filename).0locations r@
z6ScriptDirectory._version_locations..w sA @ J JKK rB rG )r( r9 r= r> joinr# r? s r@ rD z"ScriptDirectory._version_locationst s] ! J $ 6
GOOBGLL:$F$FGGI IrB Iterator[Script]c # K | j rd | j D }n| j g}t }|D ]}t | | D ]}t j | }||v rt j
d|z =| | t j | }t j
| }t | || }||V d S )Nc P g | ]#}t j | !|$S rJ )r9 r= exists)rL verss r@ rN z3ScriptDirectory._load_revisions.. s< 7>>$'' rB zJFile %s loaded twice! ignoring. Please ensure version_locations is unique.)r( rD rG setScript _list_py_dirr9 r= realpathr warnaddbasenamedirname_from_filename) r? pathsdupesrU file_path real_pathfilenamedir_namescripts r@ r7 z ScriptDirectory._load_revisions~ s0 ! $ 3 EE ]OE D # 0 0t < <
G , ,Y 7 7 %%I79BC )$$$ 7++I66 7??955 ..tXxHH>
rB configr c
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S )zProduce a new :class:`.ScriptDirectory` given a :class:`.Config`
instance.
The :class:`.Config` need only have the ``script_location`` key
present.
script_locationNz0No 'script_location' key found in configuration.r& r( version_path_separator :;)Nspacer9 rk rl c g | ]}||S rJ rJ )rL xs r@ rN z/ScriptDirectory.from_config.. s- ) ) ) a)) ) )rB zV'%s' is not a valid value for version_path_separator; expected 'space', 'os', ':', ';'prepend_sys_pathr r1 truer% r* r, r" r- post_write_hooks) r% r& r* r, r( r- r/ r1 r2 )get_main_optionr r< intr9 pathsep_split_on_space_commasplitKeyError
ValueErrorlist_split_on_space_comma_colonsysr= r rK _default_file_template get_sectionr2 )
clsrf rh tslr& version_locations_strri
split_on_path
split_charr( kerp rvls
r@ from_configzScriptDirectory.from_config sp !001BCC "#E
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C;#C66C;ancestormultiple_headsstartend
resolutionIterator[None]c # ` K d V d S # t j $ r^}|t t |j }|t t |j }|sd}|||dz }t
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j | j d | d } ~ ww xY w)NzgRequested range %(start)s:%(end)s does not refer to ancestor/descendant revisions along the same branchr r zMultiple head revisions are present for given argument '%(head_arg)s'; please specify a specific target revision, '@%(head_arg)s' to narrow to a specific head, or 'heads' for all heads)head_argheadsz(Can't locate revision identified by '%s'r )r RangeNotAncestorErrorr r lowerupperr r<
MultipleHeadsargumentformat_as_commar ResolutionError
RevisionErrorargs)
r? r r r r r rnamhreerrs
r@ _catch_revision_errorsz&ScriptDirectory._catch_revision_errors s # : EEEEE- 7 7 7} S#),,{3 **
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D-AA22D-?CD-!C66D- D((D-baser headc # K | || 5 | j ||dd D ]}t t | V ddd dS # 1 swxY w Y dS )a- Iterate through all revisions.
:param base: the base revision, or "base" to start from the
empty revision.
:param head: the head revision; defaults to "heads" to indicate
all head revisions. May also be "head" to indicate a single
head revision.
r TF) inclusiveassert_relative_lengthN)r r8 iterate_revisionsr rW )r? r r revs r@ walk_revisionsz ScriptDirectory.walk_revisions s
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_RevIdType Tuple[Optional[Script], ...]c | 5 t t t t df | j | cddd S # 1 swxY w Y dS )zReturn the :class:`.Script` instance with the given rev identifier,
symbolic name, or sequence of identifiers.
.N)r r r r rW r8
get_revisionsr? r s r@ r z ScriptDirectory.get_revisions- s
(
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* hv&+,!//44 s AA''A+.A+Tuple[str, ...]Set[Optional[Script]]c | 5 t t t t | j | cd d d S # 1 swxY w Y d S N)r r r
r rW r8 _get_all_currentr s r@ get_all_currentz ScriptDirectory.get_all_current8 s
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* HV$%t'8'I'I#'N'N s AA%%A),A)Optional[Script]c | 5 t t t | j | cddd S # 1 swxY w Y dS )zReturn the :class:`.Script` instance with the given rev id.
.. seealso::
:meth:`.ScriptDirectory.get_revisions`
N)r r r rW r8 get_revisionr s r@ r z ScriptDirectory.get_revision> s
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* O O($*;*H*H*M*MNN O O O O O O O O O O O O O O O O O Os 8AA !A %Optional[Union[str, Tuple[str, ...]]]c | 5 | j | \ }}ddd n # 1 swxY w Y |sdS |dk r|S |d S )z[Convert a symbolic revision, i.e. 'head' or 'base', into
an actual revision number.Nr r )r r8 _resolve_revision_number)r? r r branch_names r@ as_revision_numberz"ScriptDirectory.as_revision_numberJ s
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G^^Jq6Ms ?AAr !Union[str, Tuple[str, ...], None]r kwr c f t t t | j j ||fi | S )a Iterate through script revisions, starting at the given
upper revision identifier and ending at the lower.
The traversal uses strictly the `down_revision`
marker inside each migration script, so
it is a requirement that upper >= lower,
else you'll get nothing back.
The iterator yields :class:`.Script` objects.
.. seealso::
:meth:`.RevisionMap.iterate_revisions`
)r r rW r8 r )r? r r r s r@ r z!ScriptDirectory.iterate_revisions[ s; * V /D /u C C C C
rB c | d 5 | j cddd S # 1 swxY w Y dS )aG Return the current head revision.
If the script directory has multiple heads
due to branching, an error is raised;
:meth:`.ScriptDirectory.get_heads` should be
preferred.
:return: a string revision number.
.. seealso::
:meth:`.ScriptDirectory.get_heads`
z}The script directory has multiple heads (due to branching).Please use get_heads(), or merge the branches using alembic merge.r N)r r8 get_current_headrP s r@ r z ScriptDirectory.get_current_headu s
(
(! )
8 8 $5577 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8s =AA List[str]c 4 t | j j S )aU Return all "versioned head" revisions as strings.
This is normally a list of length one,
unless branches are present. The
:meth:`.ScriptDirectory.get_current_head()` method
can be used normally when a script directory
has only one head.
:return: a tuple of string revision numbers.
)rz r8 r rP s r@ get_headszScriptDirectory.get_heads s D%+,,,rB c | }t | dk rt j d |r|d S dS )a# Return the "base" revision as a string.
This is the revision number of the script that
has a ``down_revision`` of None.
If the script directory has multiple bases, an error is raised;
:meth:`.ScriptDirectory.get_bases` should be
preferred.
r z@The script directory has multiple bases. Please use get_bases().r N) get_basesrE r r< )r? basess r@ get_basezScriptDirectory.get_base sT u::>>#*
8O4rB c 4 t | j j S )zreturn all "base" revisions as strings.
This is the revision number of all scripts that
have a ``down_revision`` of None.
)rz r8 r rP s r@ r zScriptDirectory.get_bases s D%+,,,rB destination current_revList[RevisionStep]c d| 5 ||d } fdt t | D cd d d S # 1 swxY w Y d S )NzFDestination %(end)s is not a valid upgrade target from current head(s)r r T)
implicit_basec Z g | ]'}t j j | (S rJ )r
MigrationStepupgrade_from_scriptr8 rL re r? s r@ rN z1ScriptDirectory._upgrade_revs.. sF ';;%v rB )r r reversedrz r? r r revss ` r@
_upgrade_revsz ScriptDirectory._upgrade_revs s
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s A A&&A*-A*c d| 5 ||d } fd|D cd d d S # 1 swxY w Y d S )NzHDestination %(end)s is not a valid downgrade target from current head(s)r T)select_for_downgradec Z g | ]'}t j j | (S rJ )r r downgrade_from_scriptr8 r s r@ rN z3ScriptDirectory._downgrade_revs.. sF '==%v rB )r r r s ` r@ _downgrade_revsz ScriptDirectory._downgrade_revs s
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d 5 | }g }|sd}g }t j | D ]R}|rN| j t t t | |d St j
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|j dd j } | | |cd d d S # 1 swxY w Y d S ) NzCMultiple heads are present; please specify a single target revisionr r T)include_dependenciesc T g | ]$}t j |j d ddj %S )NFT)r r r r8 )rL r r? s r@ rN z/ScriptDirectory._stamp_revs.. sL !% & / $
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S rJ r r s r@ rN z/ScriptDirectory._stamp_revs..( r rB rJ )r r r to_tupleextendr8 filter_for_lineager r rW unique_listrV _get_descendant_nodes_get_ancestor_nodes intersectionr r r append)
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) D LL&&& %.DM4t7H D LL&&& w[ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ [ s H3II I c : t j | j d dS )zRun the script environment.
This basically runs the ``env.py`` script present
in the migration environment. It is called exclusively
by the command functions in :mod:`alembic.command`.
env.pyN)r load_python_filer# rP s r@ run_envzScriptDirectory.run_env= s
dh11111rB c t j t j | j d S )Nr )r9 r= r> rO r# rP s r@ env_py_locationz ScriptDirectory.env_py_locationH s( wrw||DHh ? ?@@@rB srcr c t j dt j | fi | j 5 t j ||| j fi | d d d d S # 1 swxY w Y d S Nz Generating )r statusr9 r= r> r2 template_to_filer, )r? r r r s r@ _generate_templatez"ScriptDirectory._generate_templateL s
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j || d d d d S # 1 swxY w Y d S r )r r r9 r= r> r2 shutilcopy)r? r r s r@
_copy_filezScriptDirectory._copy_fileR s
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# #
KT " " " # # # # # # # # # # # # # # # # # #s AA "A r= c t j | }t j | sIt j d| fi | j 5 t j | d d d d S # 1 swxY w Y d S d S )NzCreating directory )r9 r= r> rT r r r2 makedirs)r? r= s r@ _ensure_directoryz!ScriptDirectory._ensure_directoryX s wt$$w~~d## ",d,, 040C
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| }n t j }|S )Nz>The library 'python-dateutil' is required for timezone supportzCan't locate timezone: %s)tzinfo) r- r r r< gettzr datetimeutcnowreplacetzutc
astimezonenow)r? r create_dates r@ _generate_create_datez%ScriptDirectory._generate_create_date` s = $z'+
Xdm,,F~$-"5"5"7"788~'/$-? !((**
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K #+//11KrB revidmessagerefreshspliceOptional[bool]
branch_labels version_path
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ww xY w|dS |r/|j) s(t j d|j d|d|j d j * | |S )a Generate a new revision file.
This runs the ``script.py.mako`` template, given
template arguments, and creates a new file.
:param revid: String revision id. Typically this
comes from ``alembic.util.rev_id()``.
:param message: the revision message, the one passed
by the -m argument to the ``revision`` command.
:param head: the head revision to generate against. Defaults
to the current "head" if no branches are present, else raises
an exception.
:param splice: if True, allow the "head" version to not be an
actual head; otherwise, the selected head must be a head
(e.g. endpoint) revision.
:param refresh: deprecated.
Nr r z{Multiple heads are present; please specify the head revision on which the new revision should be based, or perform a merge.r r .r z"Duplicate head revisions specifiedr zAMultiple version locations present, please specify --version-pathz7Path %s is not represented in current version locationszeRevision %s is not a head revision; please specify --splice to create a new branch from this revisionc 8 g | ]\ }}||j v r|n|j S rJ )r r )rL r deps r@ rN z5ScriptDirectory.generate_revision.. sE ' ' ' !S c /// C ' ' 'rB c b g | ]+}t j | |f,S rJ )r r8 r )rL r r? s r@ rN z5ScriptDirectory.generate_revision.. sG % % % "$"3"@"@"E"EFFL% % %rB zscript.py.makoc 3 , K | ]}||j nd V d S r r )rL hs r@ z4ScriptDirectory.generate_revision.. s, KKAMajjtKKKKKKrB z
empty message) up_revision
down_revisionr r r commar zVersion z specified branch_labels z , however the migration file zb does not have them; have you upgraded your script.py.mako to include the 'branch_labels' section?)+rW
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isinstancer9 r= r] rG normpathr> r( r _rev_pathis_headto_listr rO r# r$ tuple_rev_as_scalartupler r r/ r
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_from_pathr add_revision)r? r r r r r r r r r r r r# r head_ norm_path vers_pathr= resolved_depends_onrr re s ` r@ generate_revisionz!ScriptDirectory.generate_revisiony sl < <D : ' ' ' '% : : :#CHQK00c 9 :
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moduler r8 r$ r= c || _ || _ t ||j t j t |dd d t j t |dd d d S )Nr rJ )defaultr )r dependencies)rR r= superrA r& r r getattr)r? rR r8 r= __class__s r@ rA zScript.__init__1 s
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