* add an API to search by string

pisi/api.py

@@ -243,6 +243,16 @@ def info_name(package_name):
     else:
         raise Error(_('Package %s not found') % package_name)
 
+def search_package_terms(terms, lang = None):
+    if not lang:
+        lang = pisi.pxml.autoxml.LocalText.get_lang()
+    def search(self, id, terms):
+        return pisi.search.query(id, lang, terms)
+    r1 = pisi.search.query_terms('summary', lang, terms)
+    r2 = pisi.search.query_terms('description', lang, terms)
+    r = r1.union(r2)
+    return r
+
 def search_package(terms, lang = None):
     if not lang:
         lang = pisi.pxml.autoxml.LocalText.get_lang()

pisi/cli/commands.py

@@ -1007,7 +1007,7 @@ Finds a package in repository containing specified search terms
             self.help()
             return
 
-        r = pisi.api.search_package(self.args, self.get_lang())
+        r = pisi.api.search_package_terms(self.args, self.get_lang())
 
         for pkg in r:
             self.printinfo_package(pkg)

pisi/search/__init__.py

@@ -54,7 +54,11 @@ def add_doc(id, lang, docid, str, txn = None):
 def remove_doc(id, lang, docid, str, txn = None):
     ctx.invidx[id][lang].remove_doc(docid, txn)
 
-def query(id, lang, terms, txn = None):
+def query_terms(id, lang, terms, txn = None):
     import preprocess as p
     terms = map(lambda x: p.lower(lang, x), terms)
     return ctx.invidx[id][lang].query(terms, txn)
+
+def query(id, lang, str, txn = None):
+    terms = preprocess(lang, str)
+    return query(id, lang, terms, txn)