![]() Pdb class and calling the method of the same name. The run* functions and set_trace() are aliases for instantiating the Traceback is given, it uses the one of the exception that is currentlyīeing handled (an exception must be being handled if the default is to beĮnter post-mortem debugging of the traceback found in post_mortem ( traceback = None ) ¶Įnter post-mortem debugging of the given traceback object. Header is printed to the console just before debugging begins.Ĭhanged in version 3.7: The keyword-only argument header. This is useful to hard-codeĪ breakpoint at a given point in a program, even if the code is not set_trace ( *, header = None ) ¶Įnter the debugger at the calling stack frame. The debugger prompt appears as soon as the function When runcall() returns, it returns whatever theįunction call returned. runcall ( function, * args, ** kwds ) ¶Ĭall the function (a function or method object, not a string) with the Otherwise this function is similar to run(). When runeval() returns, it returns the value of theĮxpression. runeval ( expression, globals = None, locals = None ) ¶Įvaluate the expression (given as a string or a code object) under debuggerĬontrol. (See the explanation of the built-inĮxec() or eval() functions.) pdb. The optional globals and locals arguments specify theĮnvironment in which the code is executed by default the dictionary of the Statement using step or next (all these commands areĮxplained below). Set breakpoints and type continue, or you can step through the The debugger prompt appears before any code is executed you can run ( statement, globals = None, locals = None ) ¶Įxecute the statement (given as a string or a code object) under debuggerĬontrol. ![]() The module defines the following functions each enters the debugger in a > f ( 0 ) Traceback (most recent call last):įile "", line 2, in f ZeroDivisionError: division by zero > pdb. That discover types that implement the interface.> import pdb > def f ( x ). How arguments can be passed to this method via the various design-time tools Parameter on the CreateDbContext method is not currently It should be noted at this stage that the string args ![]() Return new SampleContext(optionsBuilder.Options) įinally, you must ensure that your context has a constructor that takes aĭbContextOptions object as a parameter: public SampleContext(DbContextOptions options) : base (options) Opts => opts.CommandTimeout(( int )TimeSpan.FromMinutes(10).TotalSeconds) Public SampleContext CreateDbContext( string args) Specified for the runtime version of the context: public class SampleContextFactory : IDesignTimeDbContextFactory Minutes, as opposed to the default 30 seconds, or whatever value has been Override the creation of SampleContext, specifying a command timeout value of 10 The following example illustrates the use of IDesignTimeDbContextFactory to As such, it provides a hook for overriding the construction of ![]() You to configure the context in a different manner to the way it is configuredįor runtime use. If one exists, it is instantiated and its CreateDbContext method is called which returns the derived The tools are configured to search the assembly containing theĭbContext (or the one designated as the startup assembly) for a type that This interface is only intended for use with design time tools such as This (and other) problems associated with configuring DbContext objectsĭifferently for certain design-time tasks, such as migrations. The IDesignTimeDbContextFactory was introduced in EF Core 2.0 to alleviate Prior to version 2.0 of EF Core, your options were limited to changing the command timeout for the DbContext, running the migration and then resetting the timeout value (or not): public SampleContext()ĭatabase.SetCommandTimeout(( int )TimeSpan.FromMinutes(5).TotalSeconds)
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