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This commit is contained in:
ladeng07
2022-05-06 15:45:57 +08:00
parent 12f390949b
commit 51552904f9
2347 changed files with 120102 additions and 53549 deletions
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venv/Lib/site-packages/django/db/migrations/writer.py
+33 -44
View File
@@ -1,10 +1,10 @@
import os
import re
from importlib import import_module
from django import get_version
from django.apps import apps
# SettingsReference imported for backwards compatibility in Django 2.2.
from django.conf import SettingsReference # NOQA
from django.db import migrations
@@ -22,30 +22,30 @@ class OperationWriter:
self.indentation = indentation
def serialize(self):
def _write(_arg_name, _arg_value):
if _arg_name in self.operation.serialization_expand_args and isinstance(
_arg_value, (list, tuple, dict)
):
if (_arg_name in self.operation.serialization_expand_args and
isinstance(_arg_value, (list, tuple, dict))):
if isinstance(_arg_value, dict):
self.feed("%s={" % _arg_name)
self.feed('%s={' % _arg_name)
self.indent()
for key, value in _arg_value.items():
key_string, key_imports = MigrationWriter.serialize(key)
arg_string, arg_imports = MigrationWriter.serialize(value)
args = arg_string.splitlines()
if len(args) > 1:
self.feed("%s: %s" % (key_string, args[0]))
self.feed('%s: %s' % (key_string, args[0]))
for arg in args[1:-1]:
self.feed(arg)
self.feed("%s," % args[-1])
self.feed('%s,' % args[-1])
else:
self.feed("%s: %s," % (key_string, arg_string))
self.feed('%s: %s,' % (key_string, arg_string))
imports.update(key_imports)
imports.update(arg_imports)
self.unindent()
self.feed("},")
self.feed('},')
else:
self.feed("%s=[" % _arg_name)
self.feed('%s=[' % _arg_name)
self.indent()
for item in _arg_value:
arg_string, arg_imports = MigrationWriter.serialize(item)
@@ -53,22 +53,22 @@ class OperationWriter:
if len(args) > 1:
for arg in args[:-1]:
self.feed(arg)
self.feed("%s," % args[-1])
self.feed('%s,' % args[-1])
else:
self.feed("%s," % arg_string)
self.feed('%s,' % arg_string)
imports.update(arg_imports)
self.unindent()
self.feed("],")
self.feed('],')
else:
arg_string, arg_imports = MigrationWriter.serialize(_arg_value)
args = arg_string.splitlines()
if len(args) > 1:
self.feed("%s=%s" % (_arg_name, args[0]))
self.feed('%s=%s' % (_arg_name, args[0]))
for arg in args[1:-1]:
self.feed(arg)
self.feed("%s," % args[-1])
self.feed('%s,' % args[-1])
else:
self.feed("%s=%s," % (_arg_name, arg_string))
self.feed('%s=%s,' % (_arg_name, arg_string))
imports.update(arg_imports)
imports = set()
@@ -79,10 +79,10 @@ class OperationWriter:
# We can just use the fact we already have that imported,
# otherwise, we need to add an import for the operation class.
if getattr(migrations, name, None) == self.operation.__class__:
self.feed("migrations.%s(" % name)
self.feed('migrations.%s(' % name)
else:
imports.add("import %s" % (self.operation.__class__.__module__))
self.feed("%s.%s(" % (self.operation.__class__.__module__, name))
imports.add('import %s' % (self.operation.__class__.__module__))
self.feed('%s.%s(' % (self.operation.__class__.__module__, name))
self.indent()
@@ -99,7 +99,7 @@ class OperationWriter:
_write(arg_name, arg_value)
self.unindent()
self.feed("),")
self.feed('),')
return self.render(), imports
def indent(self):
@@ -109,10 +109,10 @@ class OperationWriter:
self.indentation -= 1
def feed(self, line):
self.buff.append(" " * (self.indentation * 4) + line)
self.buff.append(' ' * (self.indentation * 4) + line)
def render(self):
return "\n".join(self.buff)
return '\n'.join(self.buff)
class MigrationWriter:
@@ -147,10 +147,7 @@ class MigrationWriter:
dependencies = []
for dependency in self.migration.dependencies:
if dependency[0] == "__setting__":
dependencies.append(
" migrations.swappable_dependency(settings.%s),"
% dependency[1]
)
dependencies.append(" migrations.swappable_dependency(settings.%s)," % dependency[1])
imports.add("from django.conf import settings")
else:
dependencies.append(" %s," % self.serialize(dependency)[0])
@@ -186,28 +183,24 @@ class MigrationWriter:
) % "\n# ".join(sorted(migration_imports))
# If there's a replaces, make a string for it
if self.migration.replaces:
items["replaces_str"] = (
"\n replaces = %s\n" % self.serialize(self.migration.replaces)[0]
)
items['replaces_str'] = "\n replaces = %s\n" % self.serialize(self.migration.replaces)[0]
# Hinting that goes into comment
if self.include_header:
items["migration_header"] = MIGRATION_HEADER_TEMPLATE % {
"version": get_version(),
"timestamp": now().strftime("%Y-%m-%d %H:%M"),
items['migration_header'] = MIGRATION_HEADER_TEMPLATE % {
'version': get_version(),
'timestamp': now().strftime("%Y-%m-%d %H:%M"),
}
else:
items["migration_header"] = ""
items['migration_header'] = ""
if self.migration.initial:
items["initial_str"] = "\n initial = True\n"
items['initial_str'] = "\n initial = True\n"
return MIGRATION_TEMPLATE % items
@property
def basedir(self):
migrations_package_name, _ = MigrationLoader.migrations_module(
self.migration.app_label
)
migrations_package_name, _ = MigrationLoader.migrations_module(self.migration.app_label)
if migrations_package_name is None:
raise ValueError(
@@ -229,11 +222,7 @@ class MigrationWriter:
# Alright, see if it's a direct submodule of the app
app_config = apps.get_app_config(self.migration.app_label)
(
maybe_app_name,
_,
migrations_package_basename,
) = migrations_package_name.rpartition(".")
maybe_app_name, _, migrations_package_basename = migrations_package_name.rpartition(".")
if app_config.name == maybe_app_name:
return os.path.join(app_config.path, migrations_package_basename)
@@ -257,8 +246,8 @@ class MigrationWriter:
raise ValueError(
"Could not locate an appropriate location to create "
"migrations package %s. Make sure the toplevel "
"package exists and can be imported." % migrations_package_name
)
"package exists and can be imported." %
migrations_package_name)
final_dir = os.path.join(base_dir, *missing_dirs)
os.makedirs(final_dir, exist_ok=True)