Merge pull request #14 from dcloud/master

Use psycopg2's copy_expert so we can copy from a local file to a remote database.

postgres_copy/__init__.py

@@ -83,7 +83,8 @@ def save(self, silent=False, stream=sys.stdout):
         # Run all of the raw SQL
         cursor.execute(drop_sql)
         cursor.execute(create_sql)
-        cursor.execute(copy_sql)
+        fp = open(self.csv_path, 'r')
+        cursor.copy_expert(copy_sql, fp)
         cursor.execute(insert_sql)
         cursor.execute(drop_sql)
 
@@ -151,12 +152,11 @@ def prep_copy(self):
         """
         sql = """
             COPY "%(db_table)s" (%(header_list)s)
-            FROM '%(csv_path)s'
+            FROM STDIN
             WITH CSV HEADER %(extra_options)s;
         """
         options = {
             'db_table': self.temp_table_name,
-            'csv_path': self.csv_path,
             'extra_options': '',
             'header_list': ", ".join([
                 '"%s"' % h for f, h in self.field_header_crosswalk

setup.py

@@ -41,6 +41,9 @@ def run(self):
     url='http://www.github.com/california-civic-data-coalition/django-postgresql-copy/',
     license="MIT",
     packages=("postgres_copy",),
+    install_requires=(
+        'psycopg2>=2.5',
+    ),
     cmdclass={'test': TestCommand},
     classifiers=[
         'Programming Language :: Python',