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Updated DatabaseStoredFile to latest web2py master

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This commit is contained in:
gi0baro
2014-09-08 15:59:16 +02:00
parent 7fde332392
commit b20b81b8f5
1 changed files with 15 additions and 8 deletions
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23
gluon/dal/helpers/classes.py
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@@ -191,24 +191,28 @@ class MethodAdder(object):
class DatabaseStoredFile:
web2py_filesystem = False
web2py_filesystems = set()
def escape(self,obj):
return self.db._adapter.escape(obj)
@staticmethod
def try_create_web2py_filesystem(db):
if not db._uri in DatabaseStoredFile.web2py_filesystems:
if db._adapter.dbengine == 'mysql':
sql = "CREATE TABLE IF NOT EXISTS web2py_filesystem (path VARCHAR(255), content LONGTEXT, PRIMARY KEY(path) ) ENGINE=InnoDB;"
elif db._adapter.dbengine in ('postgres', 'sqlite'):
sql = "CREATE TABLE IF NOT EXISTS web2py_filesystem (path VARCHAR(255), content TEXT, PRIMARY KEY(path));"
db.executesql(sql)
DatabaseStoredFile.web2py_filesystems.add(db._uri)
def __init__(self,db,filename,mode):
if not db._adapter.dbengine in ('mysql', 'postgres', 'sqlite'):
raise RuntimeError("only MySQL/Postgres/SQLite can store metadata .table files in database for now")
self.db = db
self.filename = filename
self.mode = mode
if not self.web2py_filesystem:
if db._adapter.dbengine == 'mysql':
sql = "CREATE TABLE IF NOT EXISTS web2py_filesystem (path VARCHAR(255), content LONGTEXT, PRIMARY KEY(path) ) ENGINE=InnoDB;"
elif db._adapter.dbengine in ('postgres', 'sqlite'):
sql = "CREATE TABLE IF NOT EXISTS web2py_filesystem (path VARCHAR(255), content TEXT, PRIMARY KEY(path));"
self.db.executesql(sql)
DatabaseStoredFile.web2py_filesystem = True
DatabaseStoredFile.try_create_web2py_filesystem(db)
self.p=0
self.data = ''
if mode in ('r','rw','a'):
@@ -259,6 +263,9 @@ class DatabaseStoredFile:
def exists(db, filename):
if exists(filename):
return True
DatabaseStoredFile.try_create_web2py_filesystem(db)
query = "SELECT path FROM web2py_filesystem WHERE path='%s'" % filename
try:
if db.executesql(query):