From 2e4100e8dde1e65189fd72f34253ea87c39734ed Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 1 May 2017 23:38:52 +0530
Subject: [PATCH] Port calibredb catalog

---
 src/calibre/db/cli/cmd_catalog.py | 122 ++++++++++++++++++++++++++++--
 src/calibre/db/cli/main.py        |   2 +-
 src/calibre/srv/cdb.py            |   2 +
 3 files changed, 118 insertions(+), 8 deletions(-)

diff --git a/src/calibre/db/cli/cmd_catalog.py b/src/calibre/db/cli/cmd_catalog.py
index 2f6f22ae56..62d2b8606c 100644
--- a/src/calibre/db/cli/cmd_catalog.py
+++ b/src/calibre/db/cli/cmd_catalog.py
@@ -4,19 +4,127 @@
 
 from __future__ import absolute_import, division, print_function, unicode_literals
 
-readonly = False
+import os
+
+from calibre.customize.ui import available_catalog_formats, plugin_for_catalog_format
+from calibre.db.cli import integers_from_string
+
+readonly = True
 version = 0  # change this if you change signature of implementation()
+needs_srv_ctx = True
 
 
-def implementation(db, notify_changes, *args):
-    is_remote = notify_changes is not None
-    is_remote
+def implementation(db, notify_changes, ctx):
+    raise NotImplementedError()
 
 
-def option_parser(get_parser, args):
-    pass
+def option_parser(get_parser, args):  # {{{
+
+    def add_plugin_parser_options(fmt, parser):
+        # Fetch the extension-specific CLI options from the plugin
+        # library.catalogs.<format>.py
+        plugin = plugin_for_catalog_format(fmt)
+        for option in plugin.cli_options:
+            if option.action:
+                parser.add_option(
+                    option.option,
+                    default=option.default,
+                    dest=option.dest,
+                    action=option.action,
+                    help=option.help
+                )
+            else:
+                parser.add_option(
+                    option.option,
+                    default=option.default,
+                    dest=option.dest,
+                    help=option.help
+                )
+
+    # Entry point
+    parser = get_parser(
+        _(
+            '''\
+%prog catalog /path/to/destination.(csv|epub|mobi|xml...) [options]
+
+Export a catalog in format specified by path/to/destination extension.
+Options control how entries are displayed in the generated catalog output.
+'''
+        )
+    )
+
+    # Add options common to all catalog plugins
+    parser.add_option(
+        '-i',
+        '--ids',
+        default=None,
+        dest='ids',
+        help=_(
+            "Comma-separated list of database IDs to catalog.\n"
+            "If declared, --search is ignored.\n"
+            "Default: all"
+        )
+    )
+    parser.add_option(
+        '-s',
+        '--search',
+        default=None,
+        dest='search_text',
+        help=_(
+            "Filter the results by the search query. "
+            "For the format of the search query, please see "
+            "the search-related documentation in the User Manual.\n"
+            "Default: no filtering"
+        )
+    )
+    parser.add_option(
+        '-v',
+        '--verbose',
+        default=False,
+        action='store_true',
+        dest='verbose',
+        help=_('Show detailed output information. Useful for debugging')
+    )
+    fmt = 'epub'
+    if args and '.' in args[0]:
+        fmt = args[0].rpartition('.')[-1].lower()
+        if fmt not in available_catalog_formats():
+            fmt = 'epub'
+
+    # Add options specific to fmt plugin
+    add_plugin_parser_options(fmt, parser)
+
+    return parser
+
+
+# }}}
 
 
 def main(opts, args, dbctx):
-    raise NotImplementedError('TODO: implement this')
+    if len(args) < 1:
+        raise SystemExit(_('You must specify a catalog output file'))
+    if dbctx.is_remote:
+        raise SystemExit(_('Generating catalogs from server libraries is not supported'))
+    if opts.ids:
+        opts.ids = list(integers_from_string(opts.ids))
+    fmt = args[0].rpartition('.')[-1]
+    if fmt not in available_catalog_formats():
+        raise SystemExit(
+            _('Cannot generate a catalog in the {} format').format(fmt.upper())
+        )
+
+    # No support for connected device in CLI environment
+    # Parallel initialization in calibre.gui2.tools:generate_catalog()
+    opts.connected_device = {
+        'is_device_connected': False,
+        'kind': None,
+        'name': None,
+        'save_template': None,
+        'serial': None,
+        'storage': None,
+    }
+    dest = os.path.abspath(os.path.expanduser(args[0]))
+    plugin = plugin_for_catalog_format(fmt)
+    with plugin:
+        plugin.run(dest, opts, dbctx.db)
     return 0
diff --git a/src/calibre/db/cli/main.py b/src/calibre/db/cli/main.py
index ce5244e316..2efa0fbccb 100644
--- a/src/calibre/db/cli/main.py
+++ b/src/calibre/db/cli/main.py
@@ -239,7 +239,7 @@ def main(args=sys.argv):
         parser.print_help()
         return 1
     del args[i]
-    parser = option_parser_for(cmd, args)()
+    parser = option_parser_for(cmd, args[1:])()
     opts, args = parser.parse_args(args)
     return run_cmd(cmd, opts, args[1:], DBCtx(opts))
 
diff --git a/src/calibre/srv/cdb.py b/src/calibre/srv/cdb.py
index b847d56970..2a97f200b5 100644
--- a/src/calibre/srv/cdb.py
+++ b/src/calibre/srv/cdb.py
@@ -36,6 +36,8 @@ def cdb_run(ctx, rd, which, version):
     except Exception:
         raise HTTPBadRequest('args are not valid encoded data')
     db = get_library_data(ctx, rd, strict_library_id=True)[0]
+    if getattr(m, 'needs_srv_ctx', False):
+        args = [ctx] + list(args)
     try:
         result = m.implementation(db, ctx.notify_changes, *args)
     except Exception as err: