1 package DBIx::Class::Optional::Dependencies;
8 # NO EXTERNAL NON-5.8.1 CORE DEPENDENCIES EVER (e.g. C::A::G)
9 # This module is to be loaded by Makefile.PM on a pristine system
11 # POD is generated automatically by calling _gen_pod from the
12 # Makefile.PL in $AUTHOR mode
16 'MooseX::Types' => '0.21',
21 #'Module::Install::Pod::Inherit' => '0.01',
27 'namespace::clean' => '0.11',
28 'Hash::Merge' => '0.11',
31 title => 'Storage::Replicated',
32 desc => 'Modules required for L<DBIx::Class::Storage::DBI::Replicated>',
39 'MooseX::Types::Path::Class'=> '0.05',
40 'MooseX::Types::JSON' => '0.02',
41 'namespace::autoclean' => '0.09',
43 'Getopt::Long::Descriptive' => '0.081',
44 'JSON::Any' => '1.22',
45 'Text::CSV' => '1.16',
51 'SQL::Translator' => '0.11002',
54 title => 'Storage::DBI::deploy()',
55 desc => 'Modules required for L<DBIx::Class::Storage::DBI/deploy> and L<DBIx::Class::Storage::DBI/deploymen_statements>',
61 'Test::Pod' => '1.26',
62 'Test::Pod::Coverage' => '1.08',
63 'Pod::Coverage' => '0.20',
64 #'Test::NoTabs' => '0.9',
65 #'Test::EOL' => '0.6',
72 'Test::Memory::Cycle' => '0',
73 'Devel::Cycle' => '1.10',
77 'DateTime::Format::SQLite' => '0',
79 # t/96_is_deteministic_value.t
80 'DateTime::Format::Strptime'=> '0',
86 'DBIx::ContextualFetch' => '0',
87 'Class::DBI::Plugin::DeepAbstractSearch' => '0',
88 'Class::Trigger' => '0',
89 'Time::Piece::MySQL' => '0',
91 'Date::Simple' => '3.03',
99 'Sys::SigAction' => '0',
100 'DBD::Pg' => '2.009002',
101 'DateTime::Format::Pg' => '0',
108 $ENV{DBICTEST_MYSQL_DSN}
110 'DateTime::Format::MySQL' => '0',
118 $ENV{DBICTEST_ORA_DSN}
120 'DateTime::Format::Oracle' => '0',
127 $ENV{DBICTEST_SYBASE_DSN}
129 'DateTime::Format::Sybase' => 0,
136 grep $_, @ENV{qw/DBICTEST_SYBASE_ASA_DSN DBICTEST_SYBASE_ASA_ODBC_DSN/}
138 'DateTime::Format::Strptime' => 0,
145 sub _all_optional_requirements {
146 return { map { %{ $reqs->{$_}{req} || {} } } (keys %$reqs) };
150 my ($class, $group) = @_;
152 croak "req_list_for() expects a requirement group name"
155 my $deps = $reqs->{$group}{req}
156 or croak "Requirement group '$group' does not exist";
162 our %req_availability_cache;
164 my ($class, $group) = @_;
166 croak "req_ok_for() expects a requirement group name"
169 $class->_check_deps ($group) unless $req_availability_cache{$group};
171 return $req_availability_cache{$group}{status};
174 sub req_missing_for {
175 my ($class, $group) = @_;
177 croak "req_missing_for() expects a requirement group name"
180 $class->_check_deps ($group) unless $req_availability_cache{$group};
182 return $req_availability_cache{$group}{missing};
185 sub req_errorlist_for {
186 my ($class, $group) = @_;
188 croak "req_errorlist_for() expects a requirement group name"
191 $class->_check_deps ($group) unless $req_availability_cache{$group};
193 return $req_availability_cache{$group}{errorlist};
197 my ($class, $group) = @_;
199 my $deps = $class->req_list_for ($group);
202 for my $mod (keys %$deps) {
203 if (my $ver = $deps->{$mod}) {
204 eval "use $mod $ver ()";
210 $errors{$mod} = $@ if $@;
214 my $missing = join (', ', map { $deps->{$_} ? "$_ >= $deps->{$_}" : $_ } (sort keys %errors) );
215 $missing .= " (see $class for details)" if $reqs->{$group}{pod};
216 $req_availability_cache{$group} = {
218 errorlist => { %errors },
223 $req_availability_cache{$group} = {
236 "$class - Optional module dependency specifications",
237 '=head1 DESCRIPTION',
239 Some of the less-frequently used features of L<DBIx::Class> have external
240 module dependencies on their own. In order not to burden the average user
241 with modules he will never use, these optional dependencies are not included
242 in the base Makefile.PL. Instead an exception with a descriptive message is
243 thrown when a specific feature is missing one or several modules required for
244 its operation. This module is the central holding place for the current list
245 of such dependencies.
247 '=head1 CURRENT REQUIREMENT GROUPS',
249 Dependencies are organized in C<groups> and each group can list one or more
250 required modules, with an optional minimum version (or 0 for any version).
251 The group name can be used in the
255 for my $group (sort keys %$reqs) {
256 my $p = $reqs->{$group}{pod}
259 my $modlist = $reqs->{$group}{req}
262 next unless keys %$modlist;
265 "=head2 $p->{title}",
268 ( map { "=item * $_" . ($modlist->{$_} ? " >= $modlist->{$_}" : '') } (sort keys %$modlist) ),
270 "Requirement group: B<$group>",
276 '=head2 req_list_for',
278 '=item Arguments: $group_name',
279 '=item Returns: \%list_of_module_version_pairs',
282 This method should be used by DBIx::Class extension authors, to determine the
283 version of modules which a specific feature requires in the current version of
284 DBIx::Class. For example if you write a module/extension that requires
285 DBIx::Class and also requires the availability of
286 L<DBIx::Class::Storage::DBI/deploy>, you can do the following in your
287 C<Makefile.PL> or C<Build.PL>
290 my \$dep_list = $class->req_list_for ('deploy');
292 Which will give you a list of module/version pairs necessary for the particular
293 feature to function with this version of DBIx::Class.
298 '=item Arguments: $group_name',
299 '=item Returns: 1|0',
301 'Returns true or false depending on whether all modules required by $group_name are present on the system and loadable',
303 '=head2 req_missing_for',
305 '=item Arguments: $group_name',
306 '=item Returns: $error_message_string',
309 Returns a single line string suitable for inclusion in larger error messages.
310 This method would normally be used by DBIx::Class core-module author, to
311 indicate to the user that he needs to install specific modules before he will
312 be able to use a specific feature.
314 For example if the requirements for C<replicated> are not available, the
315 returned string would look like:
317 Moose >= 0.98, MooseX::Types >= 0.21, namespace::clean (see $class for details)
319 The author is expected to prepend the necessary text to this message before
320 returning the actual error seen by the user.
323 '=head2 req_errorlist_for',
325 '=item Arguments: $group_name',
326 '=item Returns: \%list_of_loaderrors_per_module',
329 Returns a hashref containing the actual errors that occured while attempting
330 to load each module in the requirement group.
336 $fn =~ s/\.pm$/\.pod/;
338 open (my $fh, '>', $fn) or croak "Unable to write to $fn: $!";
339 print $fh join ("\n\n", @chunks);