use strict;
use warnings;
use base qw/Class::Accessor::Grouped Class::C3::Componentised/;
-use Class::C3;
+use mro 'c3';
use Carp::Clan qw/^DBIx::Class/;
use DBIx::Class::Schema::Loader::RelBuilder;
use Data::Dump qw/ dump /;
use File::Temp qw//;
use Class::Unload;
use Class::Inspector ();
-use Data::Dumper::Concise;
use Scalar::Util 'looks_like_number';
use File::Slurp 'slurp';
-use DBIx::Class::Schema::Loader::Utils 'split_name';
-require DBIx::Class;
+use DBIx::Class::Schema::Loader::Utils qw/split_name dumper_squashed eval_without_redefine_warnings/;
+use DBIx::Class::Schema::Loader::Optional::Dependencies ();
+use Try::Tiny;
+use DBIx::Class ();
use namespace::clean;
-our $VERSION = '0.07001';
+our $VERSION = '0.07002';
__PACKAGE__->mk_group_ro_accessors('simple', qw/
schema
schema_base_class
result_base_class
use_moose
- overwrite_modifications
+ overwrite_modifications
relationship_attrs
For example:
relationship_attrs => {
- belongs_to => { is_deferrable => 1 },
+ belongs_to => { is_deferrable => 0 },
},
-use this to make your foreign key constraints DEFERRABLE.
+use this to turn off DEFERRABLE on your foreign key constraints.
=head2 debug
my $self = { %args };
+ # don't lose undef options
+ for (values %$self) {
+ $_ = 0 unless defined $_;
+ }
+
bless $self => $class;
if (my $config_file = $self->config_file) {
$self->_validate_class_args;
if ($self->use_moose) {
- eval <<'EOF';
-require Moose;
-require MooseX::NonMoose;
-require namespace::autoclean;
-EOF
- if ($@) {
+ if (not DBIx::Class::Schema::Loader::Optional::Dependencies->req_ok_for('use_moose')) {
die sprintf "You must install the following CPAN modules to enable the use_moose option: %s.\n",
- "Moose, MooseX::NonMoose and namespace::autoclean";
+ DBIx::Class::Schema::Loader::Optional::Dependencies->req_missing_for('use_moose');
}
}
my $filename = $self->_get_dump_filename($self->schema_class);
return unless -e $filename;
- open(my $fh, '<', $filename)
- or croak "Cannot open '$filename' for reading: $!";
+ my ($old_gen, $old_md5, $old_ver, $old_ts, $old_custom) =
+ $self->_parse_generated_file($filename);
- my $load_classes = 0;
- my $result_namespace = '';
+ return unless $old_ver;
+
+ # determine if the existing schema was dumped with use_moose => 1
+ if (! defined $self->use_moose) {
+ $self->{use_moose} = 1 if $old_gen =~ /^ (?!\s*\#) use \s+ Moose/xm;
+ }
- while (<$fh>) {
- if (/^__PACKAGE__->load_classes;/) {
- $load_classes = 1;
- } elsif (/result_namespace => '([^']+)'/) {
- $result_namespace = $1;
- } elsif (my ($real_ver) =
- /^# Created by DBIx::Class::Schema::Loader v(\d+\.\d+)/) {
+ my $load_classes = ($old_gen =~ /^__PACKAGE__->load_classes;/m) ? 1 : 0;
+ my $result_namespace = do { ($old_gen =~ /result_namespace => '([^']+)'/) ? $1 : '' };
- if ($load_classes && (not defined $self->use_namespaces)) {
- warn <<"EOF" unless $ENV{SCHEMA_LOADER_BACKCOMPAT};
+ if ($load_classes && (not defined $self->use_namespaces)) {
+ warn <<"EOF" unless $ENV{SCHEMA_LOADER_BACKCOMPAT};
'load_classes;' static schema detected, turning off 'use_namespaces'.
See perldoc DBIx::Class::Schema::Loader::Manual::UpgradingFromV4 for more
details.
EOF
- $self->use_namespaces(0);
- }
- elsif ($load_classes && $self->use_namespaces) {
- $self->_upgrading_from_load_classes(1);
- }
- elsif ((not $load_classes) && defined $self->use_namespaces
- && (not $self->use_namespaces)) {
- $self->_downgrading_to_load_classes(
- $result_namespace || 'Result'
- );
- }
- elsif ((not defined $self->use_namespaces)
- || $self->use_namespaces) {
- if (not $self->result_namespace) {
- $self->result_namespace($result_namespace || 'Result');
- }
- elsif ($result_namespace ne $self->result_namespace) {
- $self->_rewriting_result_namespace(
- $result_namespace || 'Result'
- );
- }
- }
+ $self->use_namespaces(0);
+ }
+ elsif ($load_classes && $self->use_namespaces) {
+ $self->_upgrading_from_load_classes(1);
+ }
+ elsif ((not $load_classes) && defined $self->use_namespaces && ! $self->use_namespaces) {
+ $self->_downgrading_to_load_classes(
+ $result_namespace || 'Result'
+ );
+ }
+ elsif ((not defined $self->use_namespaces) || $self->use_namespaces) {
+ if (not $self->result_namespace) {
+ $self->result_namespace($result_namespace || 'Result');
+ }
+ elsif ($result_namespace ne $self->result_namespace) {
+ $self->_rewriting_result_namespace(
+ $result_namespace || 'Result'
+ );
+ }
+ }
- # XXX when we go past .0 this will need fixing
- my ($v) = $real_ver =~ /([1-9])/;
- $v = "v$v";
+ # XXX when we go past .0 this will need fixing
+ my ($v) = $old_ver =~ /([1-9])/;
+ $v = "v$v";
- last if $v eq $CURRENT_V || $real_ver =~ /^0\.\d\d999/;
+ return if ($v eq $CURRENT_V || $old_ver =~ /^0\.\d\d999/);
- if (not %{ $self->naming }) {
- warn <<"EOF" unless $ENV{SCHEMA_LOADER_BACKCOMPAT};
+ if (not %{ $self->naming }) {
+ warn <<"EOF" unless $ENV{SCHEMA_LOADER_BACKCOMPAT};
-Version $real_ver static schema detected, turning on backcompat mode.
+Version $old_ver static schema detected, turning on backcompat mode.
Set the 'naming' attribute or the SCHEMA_LOADER_BACKCOMPAT environment variable
to disable this warning.
See perldoc DBIx::Class::Schema::Loader::Manual::UpgradingFromV4 if upgrading
from version 0.04006.
EOF
- }
- else {
- $self->_upgrading_from($v);
- last;
- }
-
- $self->naming->{relationships} ||= $v;
- $self->naming->{monikers} ||= $v;
- $self->naming->{column_accessors} ||= $v;
- $self->schema_version_to_dump($real_ver);
+ $self->naming->{relationships} ||= $v;
+ $self->naming->{monikers} ||= $v;
+ $self->naming->{column_accessors} ||= $v;
- last;
- }
+ $self->schema_version_to_dump($old_ver);
+ }
+ else {
+ $self->_upgrading_from($v);
}
- close $fh;
}
sub _validate_class_args {
my $self = shift;
my $args = shift;
-
+
foreach my $k (@CLASS_ARGS) {
next unless $self->$k;
$code = $self->_rewrite_old_classnames($code);
if ($self->dynamic) { # load the class too
- # kill redefined warnings
- my $warn_handler = $SIG{__WARN__} || sub { warn @_ };
- local $SIG{__WARN__} = sub {
- $warn_handler->(@_)
- unless $_[0] =~ /^Subroutine \S+ redefined/;
- };
- eval $code;
- die $@ if $@;
+ eval_without_redefine_warnings($code);
}
$self->_ext_stmt($class,
* PLEASE RENAME THIS CLASS: from '$old_class' to '$class', as that is the
new name of the Result.
EOF
- # kill redefined warnings
- my $warn_handler = $SIG{__WARN__} || sub { warn @_ };
- local $SIG{__WARN__} = sub {
- $warn_handler->(@_)
- unless $_[0] =~ /^Subroutine \S+ redefined/;
- };
- eval $code;
- die $@ if $@;
+ eval_without_redefine_warnings($code);
}
chomp $code;
}
sub _relbuilder {
- no warnings 'uninitialized';
my ($self) = @_;
return if $self->{skip_relationships};
- if ($self->naming->{relationships} eq 'v4') {
- require DBIx::Class::Schema::Loader::RelBuilder::Compat::v0_040;
- return $self->{relbuilder} ||=
- DBIx::Class::Schema::Loader::RelBuilder::Compat::v0_040->new(
- $self->schema,
- $self->inflect_plural,
- $self->inflect_singular,
- $self->relationship_attrs,
- );
- }
- elsif ($self->naming->{relationships} eq 'v5') {
- require DBIx::Class::Schema::Loader::RelBuilder::Compat::v0_05;
- return $self->{relbuilder} ||= DBIx::Class::Schema::Loader::RelBuilder::Compat::v0_05->new (
- $self->schema,
- $self->inflect_plural,
- $self->inflect_singular,
- $self->relationship_attrs,
- );
- }
- elsif ($self->naming->{relationships} eq 'v6') {
- require DBIx::Class::Schema::Loader::RelBuilder::Compat::v0_06;
- return $self->{relbuilder} ||= DBIx::Class::Schema::Loader::RelBuilder::Compat::v0_06->new (
- $self->schema,
- $self->inflect_plural,
- $self->inflect_singular,
- $self->relationship_attrs,
- );
- }
+ return $self->{relbuilder} ||= do {
- return $self->{relbuilder} ||= DBIx::Class::Schema::Loader::RelBuilder->new (
- $self->schema,
- $self->inflect_plural,
- $self->inflect_singular,
- $self->relationship_attrs,
- );
+ no warnings 'uninitialized';
+ my $relbuilder_suff =
+ {qw{
+ v4 ::Compat::v0_040
+ v5 ::Compat::v0_05
+ v6 ::Compat::v0_06
+ }}
+ ->{ $self->naming->{relationships}};
+
+ my $relbuilder_class = 'DBIx::Class::Schema::Loader::RelBuilder'.$relbuilder_suff;
+ eval "require $relbuilder_class"; die $@ if $@;
+ $relbuilder_class->new( $self );
+
+ };
}
sub _load_tables {
{
no warnings 'redefine';
- local *Class::C3::reinitialize = sub {};
+ local *Class::C3::reinitialize = sub {}; # to speed things up, reinitialized below
use warnings;
- if ($class->can('meta') && (ref $class->meta)->isa('Moose::Meta::Class')) {
- $class->meta->make_mutable;
+ if (my $mc = $self->_moose_metaclass($class)) {
+ $mc->make_mutable;
}
Class::Unload->unload($class) if $unload;
my ($source, $resultset_class);
&& ($resultset_class ne 'DBIx::Class::ResultSet')
) {
my $has_file = Class::Inspector->loaded_filename($resultset_class);
- if ($resultset_class->can('meta') && (ref $resultset_class->meta)->isa('Moose::Meta::Class')) {
- $resultset_class->meta->make_mutable;
+ if (my $mc = $self->_moose_metaclass($resultset_class)) {
+ $mc->make_mutable;
}
Class::Unload->unload($resultset_class) if $unload;
$self->_reload_class($resultset_class) if $has_file;
}
}
+sub _moose_metaclass {
+ return undef unless $INC{'Class/MOP.pm'}; # if CMOP is not loaded the class could not have loaded in the 1st place
+
+ my $mc = Class::MOP::class_of($_[1])
+ or return undef;
+
+ return $mc->isa('Moose::Meta::Class') ? $mc : undef;
+}
+
# We use this instead of ensure_class_loaded when there are package symbols we
# want to preserve.
sub _reload_class {
delete $INC{ $class_path };
# kill redefined warnings
- my $warn_handler = $SIG{__WARN__} || sub { warn @_ };
- local $SIG{__WARN__} = sub {
- $warn_handler->(@_)
- unless $_[0] =~ /^Subroutine \S+ redefined/;
+ eval {
+ eval_without_redefine_warnings ("require $class");
};
- eval "require $class;";
die "Failed to reload class $class: $@" if $@;
}
warn "Deleting existing file '$filename' due to "
. "'really_erase_my_files' setting\n" unless $self->{quiet};
unlink($filename);
- }
+ }
- my ($custom_content, $old_md5, $old_ver, $old_ts) = $self->_get_custom_content($class, $filename);
+ my ($old_gen, $old_md5, $old_ver, $old_ts, $old_custom)
+ = $self->_parse_generated_file($filename);
- # If upgrading to use_moose=1 replace default custom content with default Moose custom content.
- # If there is already custom content, which does not have the Moose content, add it.
- if ($self->use_moose) {
- local $self->{use_moose} = 0;
+ if (! $old_gen && -f $filename) {
+ croak "Cannot overwrite '$filename' without 'really_erase_my_files',"
+ . " it does not appear to have been generated by Loader"
+ }
- if ($custom_content eq $self->_default_custom_content) {
- local $self->{use_moose} = 1;
+ my $custom_content = $old_custom || '';
- $custom_content = $self->_default_custom_content;
- }
- else {
- local $self->{use_moose} = 1;
+ # prepend extra custom content from a *renamed* class (singularization effect)
+ if (my $renamed_class = $self->_upgrading_classes->{$class}) {
+ my $old_filename = $self->_get_dump_filename($renamed_class);
- if ($custom_content !~ /\Q@{[$self->_default_moose_custom_content]}\E/) {
- $custom_content .= $self->_default_custom_content;
- }
+ if (-f $old_filename) {
+ my $extra_custom = ($self->_parse_generated_file ($old_filename))[4];
+
+ $extra_custom =~ s/\n\n# You can replace.*\n1;\n//;
+
+ $custom_content = join ("\n", '', $extra_custom, $custom_content)
+ if $extra_custom;
+
+ unlink $old_filename;
}
}
- if (my $old_class = $self->_upgrading_classes->{$class}) {
- my $old_filename = $self->_get_dump_filename($old_class);
+ $custom_content ||= $self->_default_custom_content;
- my ($old_custom_content) = $self->_get_custom_content(
- $old_class, $old_filename, 0 # do not add default comment
- );
+ # If upgrading to use_moose=1 replace default custom content with default Moose custom content.
+ # If there is already custom content, which does not have the Moose content, add it.
+ if ($self->use_moose) {
- $old_custom_content =~ s/\n\n# You can replace.*\n1;\n//;
+ my $non_moose_custom_content = do {
+ local $self->{use_moose} = 0;
+ $self->_default_custom_content;
+ };
- if ($old_custom_content) {
- $custom_content =
- "\n" . $old_custom_content . "\n" . $custom_content;
+ if ($custom_content eq $non_moose_custom_content) {
+ $custom_content = $self->_default_custom_content;
+ }
+ elsif ($custom_content !~ /\Q@{[$self->_default_moose_custom_content]}\E/) {
+ $custom_content .= $self->_default_custom_content;
}
-
- unlink $old_filename;
+ }
+ elsif (defined $self->use_moose && $old_gen) {
+ croak 'It is not possible to "downgrade" a schema that was loaded with use_moose => 1 to use_moose => 0, due to differing custom content'
+ if $old_gen =~ /use \s+ MooseX?\b/x;
}
$custom_content = $self->_rewrite_old_classnames($custom_content);
my $compare_to;
if ($old_md5) {
$compare_to = $text . $self->_sig_comment($old_ver, $old_ts);
-
-
if (Digest::MD5::md5_base64($compare_to) eq $old_md5) {
return unless $self->_upgrading_from && $is_schema;
}
sub _default_custom_content {
my $self = shift;
my $default = qq|\n\n# You can replace this text with custom|
- . qq| content, and it will be preserved on regeneration|;
+ . qq| code or comments, and it will be preserved on regeneration|;
if ($self->use_moose) {
$default .= $self->_default_moose_custom_content;
}
return $default;
}
-sub _get_custom_content {
- my ($self, $class, $filename, $add_default) = @_;
+sub _parse_generated_file {
+ my ($self, $fn) = @_;
- $add_default = 1 unless defined $add_default;
+ return unless -f $fn;
- return ($self->_default_custom_content) if ! -f $filename;
+ open(my $fh, '<', $fn)
+ or croak "Cannot open '$fn' for reading: $!";
- open(my $fh, '<', $filename)
- or croak "Cannot open '$filename' for reading: $!";
-
- my $mark_re =
+ my $mark_re =
qr{^(# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:)([A-Za-z0-9/+]{22})\n};
- my $buffer = '';
- my ($md5, $ts, $ver);
+ my ($md5, $ts, $ver, $gen);
while(<$fh>) {
- if(!$md5 && /$mark_re/) {
+ if(/$mark_re/) {
+ my $pre_md5 = $1;
$md5 = $2;
- my $line = $1;
- # Pull out the previous version and timestamp
- ($ver, $ts) = $buffer =~ m/# Created by DBIx::Class::Schema::Loader v(.*?) @ (.*?)$/s;
+ # Pull out the version and timestamp from the line above
+ ($ver, $ts) = $gen =~ m/^# Created by DBIx::Class::Schema::Loader v(.*?) @ (.*?)\Z/m;
- $buffer .= $line;
- croak "Checksum mismatch in '$filename', the auto-generated part of the file has been modified outside of this loader. Aborting.\nIf you want to overwrite these modifications, set the 'overwrite_modifications' loader option.\n"
- if !$self->overwrite_modifications && Digest::MD5::md5_base64($buffer) ne $md5;
+ $gen .= $pre_md5;
+ croak "Checksum mismatch in '$fn', the auto-generated part of the file has been modified outside of this loader. Aborting.\nIf you want to overwrite these modifications, set the 'overwrite_modifications' loader option.\n"
+ if !$self->overwrite_modifications && Digest::MD5::md5_base64($gen) ne $md5;
- $buffer = '';
+ last;
}
else {
- $buffer .= $_;
+ $gen .= $_;
}
}
- croak "Cannot not overwrite '$filename' without 'really_erase_my_files',"
- . " it does not appear to have been generated by Loader"
- if !$md5;
+ my $custom = do { local $/; <$fh> }
+ if $md5;
- # Default custom content:
- $buffer ||= $self->_default_custom_content if $add_default;
+ close ($fh);
- return ($buffer, $md5, $ver, $ts);
+ return ($gen, $md5, $ver, $ts, $custom);
}
sub _use {
die $@ if $@;
push @methods, @{ Class::Inspector->methods($class) || [] };
+ push @methods, @{ Class::Inspector->methods('UNIVERSAL') || [] };
}
my %methods;
} elsif ( $method eq 'add_columns' ) {
$self->_pod( $class, "=head1 ACCESSORS" );
my $col_counter = 0;
- my @cols = @_;
+ my @cols = @_;
while( my ($name,$attrs) = splice @cols,0,2 ) {
- $col_counter++;
+ $col_counter++;
$self->_pod( $class, '=head2 ' . $name );
- $self->_pod( $class,
- join "\n", map {
- my $s = $attrs->{$_};
- $s = !defined $s ? 'undef' :
- length($s) == 0 ? '(empty string)' :
- ref($s) eq 'SCALAR' ? $$s :
- ref($s) ? do {
- my $dd = Dumper;
- $dd->Indent(0);
- $dd->Values([$s]);
- $dd->Dump;
- } :
- looks_like_number($s) ? $s :
- qq{'$s'}
- ;
-
- " $_: $s"
- } sort keys %$attrs,
- );
-
- if (my $comment = $self->__column_comment($self->{_class2table}{$class}, $col_counter)) {
- $self->_pod( $class, $comment );
- }
+ $self->_pod( $class,
+ join "\n", map {
+ my $s = $attrs->{$_};
+ $s = !defined $s ? 'undef' :
+ length($s) == 0 ? '(empty string)' :
+ ref($s) eq 'SCALAR' ? $$s :
+ ref($s) ? dumper_squashed $s :
+ looks_like_number($s) ? $s : qq{'$s'};
+
+ " $_: $s"
+ } sort keys %$attrs,
+ );
+ if (my $comment = $self->__column_comment($self->{_class2table}{$class}, $col_counter, $name)) {
+ $self->_pod( $class, $comment );
+ }
}
$self->_pod_cut( $class );
} elsif ( $method =~ /^(belongs_to|has_many|might_have)$/ ) {
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