96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
"""
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Execute Patch Files
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Patch files usually lie in the "patches" module specified by "modules_path" in defs.py
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To run directly
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python lib/wnf.py patch patch1, patch2 etc
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python lib/wnf.py patch -f patch1, patch2 etc
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where patch1, patch2 is module name
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"""
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import webnotes
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def run_all(patch_list=None):
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"""run all pending patches"""
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executed = [p[0] for p in webnotes.conn.sql("""select patch from __PatchLog""")]
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import patches.patch_list
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for patch in patch_list or patches.patch_list.patch_list:
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if not patch['patch_file'] in executed:
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pn = patch['patch_module'] + '.' + patch['patch_file']
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run_single(patchmodule = pn)
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def reload_doc(args):
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"""relaod a doc args {module, doctype, docname}"""
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import webnotes.modules.module_manager
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run_single(method = webnotes.modules.module_manager.reload_doc, methodargs = args)
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def run_single(patchmodule=None, method=None, methodargs=None, force=False):
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"""run a single patch"""
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if force or method or not executed(patchmodule):
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execute_patch(patchmodule, method, methodargs)
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def execute_patch(patchmodule, method=None, methodargs=None):
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"""execute the patch"""
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block_user(True)
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webnotes.conn.begin()
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log('Executing %s in %s' % (patchmodule or str(methodargs), webnotes.conn.cur_db_name))
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try:
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if patchmodule:
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patch = __import__(patchmodule, fromlist=True)
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getattr(patch, 'execute')()
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update_patch_log(patchmodule)
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log('Success')
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elif method:
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method(**methodargs)
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webnotes.conn.commit()
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except Exception, e:
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webnotes.conn.rollback()
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global has_errors
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has_errors = True
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tb = webnotes.getTraceback()
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log(tb)
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import os
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if os.environ.get('HTTP_HOST'):
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add_to_patch_log(tb)
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block_user(False)
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def add_to_patch_log(tb):
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"""add error log to patches/patch.log"""
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import webnotes.defs, os
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with open(os.path.join(webnotes.defs.modules_path,'erpnext','patches','patch.log'),'a') as patchlog:
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patchlog.write('\n\n' + tb)
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def update_patch_log(patchmodule):
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"""update patch_file in patch log"""
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webnotes.conn.sql("""INSERT INTO `__PatchLog` VALUES (%s, now())""", \
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patchmodule.split('.')[-1])
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def executed(patchmodule):
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"""return True if is executed"""
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done = webnotes.conn.sql("""select patch from __PatchLog where patch=%s""", patchmodule)
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if done:
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print "Patch %s executed in %s" % (patchmodule, webnotes.conn.cur_db_name)
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return done
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def block_user(block):
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"""stop/start execution till patch is run"""
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webnotes.conn.begin()
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msg = "Patches are being executed in the system. Please try again in a few moments."
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webnotes.conn.set_global('__session_status', block and 'stop' or None)
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webnotes.conn.set_global('__session_status_message', block and msg or None)
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webnotes.conn.commit()
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def setup():
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webnotes.conn.sql("""CREATE TABLE IF NOT EXISTS `__PatchLog` (
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patch TEXT, applied_on DATETIME) engine=InnoDB""")
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log_list = []
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has_errors = False
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def log(msg):
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log_list.append(msg)
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