Full 2015 Taxi Data Download & Processing Update

[REVIEW] Full 2015 Data Update 

Merge pull request #14 from gumdropsteve/data/download

utils/sql_check.py

@@ -0,0 +1,53 @@
+import os
+import sys  
+
+
+def bsql_start():
+    """
+    set up users to use SQL in the RAPIDS AI ecosystem
+        > try to import BlazingContext from BlazingSQL
+        > offer to install BlazingSQL if module not found
+    BlazingSQL prereqs: 
+        > Conda: https://docs.blazingdb.com/docs/install-via-conda#section-conda-prerequisites
+        > Docker: https://docs.blazingdb.com/docs/install-via-docker#section-docker-hub-prerequisites
+    latest install scripts: 
+        > Conda: https://docs.blazingdb.com/docs/install-via-conda
+        > Docker: https://docs.blazingdb.com/docs/install-via-docker
+        > Source: https://docs.blazingdb.com/docs/build-from-source
+    """
+    # is BlazingSQL installed?
+    try:
+        from blazingsql import BlazingContext
+        # yes, indicate success
+        return "You've got BlazingSQL set up perfectly!"
+    # BlazingSQL not found
+    except ModuleNotFoundError:
+            # do we want to install BlazingSQL?
+            print("Unable to locate BlazingSQL. We'll install it now.")
+            # Install JRE first
+            os.system("apt-get update")
+            os.system("apt-get -y install default-jre")
+            # tag BlazingSQL conda install script
+            b = "conda install -c blazingsql/label/cuda10.0 -c blazingsql" 
+            b += ' -c rapidsai -c nvidia -c conda-forge -c defaults '
+            b += "blazingsql python=3.7 cudatoolkit=10.0"  # CUDA 10, Python 3.7 (BlazingSQL also supports CUDA 9.2)
+            # tag python version
+            py = sys.version.split('.')  # e.g. output: ['3', '6', '7 | packaged by cond...
+            if py[0] == '3':  # make sure we're in 3
+                py = py[1]  # focus mid version (3.?)
+            # are we on python 3.6?
+            if py == '6':
+                # adjust to 3.6 install script
+                b = b.replace('python=3.7', 'python=3.6')
+            # lmk what's going on?
+            print('Installing BlazingSQL, this should take some time.  This is only need to be done once')
+            # install BlazingSQL 
+            os.system(b)
+            # indicate completion
+            return f"Let's get started with SQL in RAPIDS AI!"
+
+
+if __name__=='__main__':
+    # check environment for BlazingSQL
+    check = bsql_start()
+    print(check)