debugger
This commit is contained in:
Massimo Di Pierro
@@ -1,8 +1,13 @@
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import os
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import sys
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import cStringIO
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import gluon.contrib.shell
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import gluon.dal
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import gluon.html
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import gluon.validators
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import code, thread
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from gluon.debug import communicate
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from gluon.debug import communicate, web_debugger, qdb_debugger
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import pydoc
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if DEMO_MODE or MULTI_USER_MODE:
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@@ -32,4 +37,159 @@ def reset():
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return 'done'
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# new implementation using qdb
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def interact():
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app = request.args(0) or 'admin'
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reset()
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# process all pending messages in the frontend
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web_debugger.run()
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# if debugging, filename and lineno should have valid values
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filename = web_debugger.filename
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lineno = web_debugger.lineno
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if filename:
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lines = dict([(i+1, l) for (i, l) in enumerate(
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[l.strip("\n").strip("\r") for l
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in open(filename).readlines()])])
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filename = os.path.basename(filename)
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else:
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lines = {}
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if filename:
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env = web_debugger.do_environment()
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f_locals = env['locals']
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f_globals = {}
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for name, value in env['globals'].items():
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if name not in gluon.html.__all__ and \
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name not in gluon.validators.__all__ and \
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name not in gluon.dal.__all__:
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f_globals[name] = pydoc.text.repr(value)
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else:
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f_locals = {}
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f_globals = {}
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response.headers['refresh'] = "3"
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if web_debugger.exception_info:
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response.flash = T('"User Exception" debug mode. '
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'An error ticket could be issued!')
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return dict(app=app, data="",
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filename=web_debugger.filename, lines=lines, lineno=lineno,
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f_globals=f_globals, f_locals=f_locals,
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exception=web_debugger.exception_info)
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def step():
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web_debugger.do_step()
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redirect(URL("interact"))
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def next():
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web_debugger.do_next()
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redirect(URL("interact"))
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def cont():
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web_debugger.do_continue()
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redirect(URL("interact"))
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def ret():
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web_debugger.do_return()
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redirect(URL("interact"))
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def stop():
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web_debugger.do_quit()
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redirect(URL("interact"))
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def execute():
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app = request.args[0]
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command = request.vars.statement
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session['debug_commands:'+app].append(command)
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try:
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output = web_debugger.do_exec(command)
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if output is None:
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output = ""
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except Exception, e:
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output = T("Exception %s") % str(e)
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k = len(session['debug_commands:'+app]) - 1
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return '[%i] %s%s\n' % (k + 1, command, output)
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def breakpoints():
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"Add or remove breakpoints"
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# Get all .py files
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files = listdir(apath('', r=request), '.*\.py$')
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files = [filename for filename in files
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if filename and 'languages' not in filename
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and not filename.startswith("admin")
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and not filename.startswith("examples")]
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form = SQLFORM.factory(
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Field('filename', requires=IS_IN_SET(files), label=T("Filename")),
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Field('lineno', 'integer', label=T("Line number"),
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requires=IS_NOT_EMPTY()),
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Field('temporary', 'boolean', label=T("Temporary"),
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comment=T("deleted after first hit")),
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Field('condition', 'string', label=T("Condition"),
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comment=T("honored only if the expression evaluates to true")),
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)
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if form.accepts(request.vars, session):
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filename = os.path.join(request.env['applications_parent'],
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'applications', form.vars.filename)
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err = qdb_debugger.do_set_breakpoint(filename,
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form.vars.lineno,
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form.vars.temporary,
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form.vars.condition)
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response.flash = T("Set Breakpoint on %s at line %s: %s") % (
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filename, form.vars.lineno, err or T('successful'))
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for item in request.vars:
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if item[:7] == 'delete_':
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qdb_debugger.do_clear(item[7:])
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breakpoints = [{'number': bp[0], 'filename': os.path.basename(bp[1]),
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'path': bp[1], 'lineno': bp[2],
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'temporary': bp[3], 'enabled': bp[4], 'hits': bp[5],
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'condition': bp[6]}
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for bp in qdb_debugger.do_list_breakpoint()]
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return dict(breakpoints=breakpoints, form=form)
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def toggle_breakpoint():
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"Set or clear a breakpoint"
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lineno = None
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ok = None
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try:
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filename = os.path.join(request.env['applications_parent'],
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'applications', request.vars.filename)
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start = 0
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sel_start = int(request.vars.sel_start)
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for lineno, line in enumerate(request.vars.data.split("\n")):
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if sel_start <= start:
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break
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start += len(line) + 1
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else:
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lineno = None
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if lineno is not None:
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for bp in qdb_debugger.do_list_breakpoint():
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no, bp_filename, bp_lineno, temporary, enabled, hits, cond = bp
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if filename == bp_filename and lineno == bp_lineno:
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err = qdb_debugger.do_clear_breakpoint(filename, lineno)
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response.flash = T("Removed Breakpoint on %s at line %s", (
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filename, lineno))
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ok = False
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break
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else:
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err = qdb_debugger.do_set_breakpoint(filename, lineno)
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response.flash = T("Set Breakpoint on %s at line %s: %s") % (
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filename, lineno, err or T('successful'))
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ok = True
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else:
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response.flash = T("Unable to determine the line number!")
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except Exception, e:
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session.flash = str(e)
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return response.json({'ok': ok, 'lineno': lineno})
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