We need to provide 'ctx' to the eval(), so that "uid" is defined in the expression. Covers the case of user directories. bzr revid: p_christ@hol.gr-20101027102324-ujy2293kpdzouna2
To be done: ----------- * Test to not create several times the same file / directory -> May be put a sql_constraints uniq on several files -> test through remove or put * Retest everything