Ta-Ching ChenandSoam Vasani
a63b8b372f
This contains a few different builder manager fixes: * Update the zip file structure to avoid an extra subdirectory * Annotate packages with what functions are using them * Only trigger builds when there is no deployment archive * Python environment loadpath bugfixes * Other bugfixes
99 lines
3.0 KiB
Python
99 lines
3.0 KiB
Python
#!/usr/bin/env python
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import logging
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import sys
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import imp
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import os
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from flask import Flask, request, abort, g
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app = Flask(__name__)
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userfunc = None
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@app.route('/specialize', methods=['POST'])
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def load():
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global userfunc
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# load user function from codepath
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codepath = '/userfunc/user'
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userfunc = (imp.load_source('user', codepath)).main
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return ""
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@app.route('/v2/specialize', methods=['POST'])
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def loadv2():
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global userfunc
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body = request.get_json()
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filepath = body['filepath']
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handler = body['functionName']
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# The value of "functionName" is consist of `<module-name>.<function-name>`.
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moduleName, funcName = handler.split(".")
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# check whether the destination is a directory or a file
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if os.path.isdir(filepath):
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# add package directory path into module search path
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sys.path.append(filepath)
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# find module from package path we append previously.
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# Python will try to find module from the same name file under
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# the package directory. If search is successful, the return
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# value is a 3-element tuple; otherwise, an exception "ImportError"
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# is raised.
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# Second parameter of find_module enforces python to find same
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# name module from the given list of directories to prevent name
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# confliction with built-in modules.
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f, path, desc = imp.find_module(moduleName, [filepath])
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# load module
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# Return module object is the load is successful; otherwise,
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# an exception is raised.
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try:
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mod = imp.load_module(moduleName, f, path, desc)
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finally:
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if f:
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f.close()
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else:
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# load source from destination python file
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mod = imp.load_source(moduleName, filepath)
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# load user function from module
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userfunc = getattr(mod, funcName)
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return ""
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@app.route('/', methods=['GET', 'POST', 'PUT', 'HEAD', 'OPTIONS', 'DELETE'])
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def f():
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if userfunc == None:
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print("Generic container: no requests supported")
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abort(500)
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#
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# Customizing the request context
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#
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# If you want to pass something to the function, you can add it to 'g':
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# g.myKey = myValue
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# And the user func can then access that (after doing a "from flask import g").
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#
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return userfunc()
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#
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# Logging setup. TODO: Loglevel hard-coded for now. We could allow
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# functions/routes to override this somehow; or we could create
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# separate dev vs. prod environments.
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#
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def setup_logger(loglevel):
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global app
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root = logging.getLogger()
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root.setLevel(loglevel)
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ch = logging.StreamHandler(sys.stdout)
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ch.setLevel(loglevel)
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ch.setFormatter(logging.Formatter('%(asctime)s - %(levelname)s - %(message)s'))
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app.logger.addHandler(ch)
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#
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# TODO: this starts the built-in server, which isn't the most
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# efficient. We should use something better.
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#
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setup_logger(logging.DEBUG)
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app.logger.info("Starting server")
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app.run(host='0.0.0.0', port='8888')
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