serverless-starter-python - npm Package Compare versions

Comparing version 0.2.3 to 0.2.4

restApi/continent/event.json

+{"country": "Italy"}

restApi/continent/handler.py

+"""
+ Serverless Module: Lambda Handler
+ - Your lambda functions should be a thin wrapper around your own separate
+   modules, to keep your code testable, reusable and AWS independent
+"""
+
+from __future__ import print_function
+
+import json
+import logging
+import sys, os
+sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), "../"))
+import lib
+
+log = logging.getLogger()
+log.setLevel(logging.DEBUG)
+
+def handler(event, context):
+    return lib.continent_by_country_name(event)

restApi/continent/s-function.json

+{
+  "name": "continent",
+  "runtime": "python2.7",
+  "description": "Serverless Lambda function for project: serverless-starter-python",
+  "customName": false,
+  "customRole": false,
+  "handler": "continent/handler.handler",
+  "timeout": 6,
+  "memorySize": 1024,
+  "authorizer": {},
+  "custom": {
+    "excludePatterns": []
+  },
+  "endpoints": [
+    {
+      "path": "continent",
+      "method": "GET",
+      "type": "AWS",
+      "authorizationType": "none",
+      "authorizerFunction": false,
+      "apiKeyRequired": false,
+      "requestParameters": {},
+      "requestTemplates": "$${apiRequestTemplate}",
+      "responses": {
+        "400": {
+          "selectionPattern": "^\\[BadRequest\\].*",
+          "responseModels": "$${apiResponseModelsError}",
+          "responseTemplates": "$${apiResponseTemplateError}",
+          "statusCode": "400"
+        },
+        "default": {
+          "statusCode": "200",
+          "responseParameters": {},
+          "responseModels": {
+            "application/json;charset=UTF-8": "Empty"
+          },
+          "responseTemplates": {
+            "application/json;charset=UTF-8": ""
+          }
+        }
+      }
+    }
+  ],
+  "events": [],
+  "environment": {
+    "SERVERLESS_PROJECT": "${project}",
+    "SERVERLESS_STAGE": "${stage}",
+    "SERVERLESS_REGION": "${region}"
+  },
+  "vpc": {
+    "securityGroupIds": [],
+    "subnetIds": []
+  }
+}

restApi/continent/s-templates.json

+{
+  "apiRequestTemplate": {
+    "application/json": {
+      "country": "$input.params('country')"
+    }
+  },
+  "apiResponseModelsError": {
+    "application/json": "Error"
+  },
+  "apiResponseTemplateError": {
+    "application/json": {
+      "message": "$input.path('$.errorMessage')"
+    }
+  }
+}

restApi/lib/continent.py

+""" Continent lib """
+
+from countrycode import countrycode
+
+def _error(msg):
+    """ Utility to handle custom errors (see response mapping) """
+    raise Exception("[BadRequest] %s" % msg)
+
+def continent_by_country_name(event):
+    """ Get continent name (e.g. "Europe"), given a country name (e.g. "Italy") """
+    country_name = event.get('country')
+
+    if not country_name:
+        return _error("Invalid event (required country)")
+
+    continent = countrycode(codes=[country_name], origin="country_name", target='continent')
+
+    if not continent:
+        return _error("Invalid country: %s" % country_name)
+
+    return {
+        "continent": next(iter(continent)),
+    }

restApi/lib/multi.py

+""" Multi Lib """
+
+def multi_create(event):
+    """ Multi - Create """
+    return {
+        "message": "Your Serverless function 'multi/create' ran successfully",
+    }
+
+def multi_show(event):
+    """ Multi - Show """
+    pid = event['pathId']
+    msg = "Your Serverless function 'multi/show' ran successfully ith the following ID '%s'" % pid
+    return {
+        "message": msg,
+    }

restApi/lib/single.py

+""" Single Lib """
+
+def single_all(event):
+    """ Single - All """
+    method = event.get('httpMethod', "?")
+    msg = "Your Serverless function ran successfully via the '%s' method" % method
+    return {
+        "message": msg,
+    }

restApi/requirements.txt

+countrycode

package.json

 {
   "name": "serverless-starter-python",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "description": "A bare bones Serverless Framework project with examples for common use cases in Python.",
@@ -18,3 +18,3 @@ "author": {
   },
-  "homepage": "https://github.com/serverless/serverless-starter#readme",
+  "homepage": "https://github.com/alexcasalboni/serverless-starter-python#readme",
   "scripts": {},
@@ -21,0 +21,0 @@ "_npmOperationalInternal": {

README.md

@@ -35,3 +35,4 @@ #Serverless Starter
 * **Single:** A single function that uses multiple endpoints.
+* **Continent:** A real-world example with Python requirements and response mapping.
 * **Templates:** Templates are used to reduce configuraton syntax
 * **REST API Parameters:** The Multi/Show function endpoint gives an example of how to accept a path parameter

restApi/lib/__init__.py

 """ Lib """
 
-def single_all(event):
-    """ Single - All """
-    method = event.get('httpMethod') or "?"
-    msg = "Your Serverless function ran successfully via the '%s' method" % method
-    return {
-        "message": msg,
-    }
+LIBS_PATH = "../vendored"
 
-def multi_create(event):
-    """ Multi - Create """
-    return {
-        "message": "Your Serverless function 'multi/create' ran successfully",
-    }
+# add vendored folder to sys path
+import sys, os
+here = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(here, LIBS_PATH))
 
-def multi_show(event):
-    """ Multi - Show """
-    pid = event['pathId']
-    msg = "Your Serverless function 'multi/show' ran successfully ith the following ID '%s'" % pid
-    return {
-        "message": msg,
-    }
+# Manually load OS libraries
+# ref: https://serverlesscode.com/post/deploy-scikitlearn-on-lamba/
+import ctypes
+for d, dirs, files in os.walk(LIBS_PATH):
+    for f in files:
+        if ".so" in f:
+            ctypes.cdll.LoadLibrary(os.path.join(d, f))
+
+
+# expose libraries in module scope
+from single import single_all
+from multi import multi_create, multi_show
+from continent import continent_by_country_name

restApi/multi/create/handler.py

@@ -11,2 +11,4 @@ """
 import logging
+import sys, os
+sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), "../"))
 import lib
@@ -13,0 +15,0 @@

restApi/multi/show/handler.py

@@ -11,2 +11,4 @@ """
 import logging
+import sys, os
+sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), "../"))
 import lib
@@ -13,0 +15,0 @@

restApi/single/handler.py

@@ -11,2 +11,4 @@ """
 import logging
+import sys, os
+sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), "../"))
 import lib
@@ -13,0 +15,0 @@

No alert changes

Improved metrics

Total package byte prevSize

15499

33.6%

Number of package files

27

50%

Lines of code

483

32.69%

Number of lines in readme file

38

2.7%

No dependency changes