travis.yml: python 3.7 -> 3.7-dev

converts the simple example in 2018-snakemake-cli,
which used a shell script sitting in a directory to
run the Snakemake workflow, into a full-fledged
python package that uses a setup.py file.

this is a way of bridging the complexity of taco
with the simplicity of 2018-snakemake-cli.

documentation/readme has not yet been updated.

tests have not yet been udpated.

.travis.yml

@@ -3,7 +3,7 @@ language: python
 python:
   - "3.5"
   - "3.6"
-  #- "3.7-dev" # fails due to datrie build failure (snakemake dependency)
+  - "3.7-dev"
 # command to install dependencies
 install:
   - pip install -r requirements.txt
@@ -11,4 +11,3 @@ install:
 # command to run tests
 script:
   - pytest
-

README.md

@@ -1,6 +1,6 @@
 # 2019-snakemake-cli
 
-[![travis](https://img.shields.io/travis/charlesreid1/2019-snakemake-cli.svg)](https://travis-ci.org/charlesreid1/2019-snakemake-cli)
+[![travis](https://img.shields.io/travis/charlesreid1/2019-snakemake-cli.svg)](https://travis-ci.org/charlesreid1/2019-snakemake-cli.svg)
 [![license](https://img.shields.io/github/license/charlesreid1/2019-snakemake-cli.svg)](https://github.com/charlesreid1/2019-snakemake-cli/blob/master/LICENSE)
 
 An example of a Snakemake command line interface
@@ -18,7 +18,7 @@ a command line tool called `bananas`.
 This runs through the installation and usage 
 of 2019-snakemake-cli.
 
-## Installing bananas
+## Installing banana
 
 Start by setting up a virtual environment,
 and install the required packages into the
@@ -37,13 +37,13 @@ python setup.py build install
 Now you can run
 
 ```
-which bananas
+which banana
 ```
 
-and you should see `bananas` in your virtual 
-environment's `bin/` directory.
+and you should see `bananas` in your Python 
+distribution's `bin/` directory.
 
-## Running bananas
+## Running banana
 
 Move to the `test/` directory and run the tests
 with the provided config and params files.
@@ -66,7 +66,7 @@ Run the goodbye workflow with Beth params:
 
 ```
 rm -f goodbye.txt
-bananas workflow-goodbye params-beth
+./run workflow-goodbye params-beth
 ```
 
 # Details
@@ -80,10 +80,3 @@ An alternative arrangement would be for users
 to provide a Snakefile via rules in the working
 directory, or via a Github URL or a remote URL.
 
-# Tags
-
-* `v1.0` - initial version, [ctb/2018-snakemake-cli](https://github.com/ctb/2018-snakemake-cli)
-
-* `v2.0` - Snakemake workflow bundled as installable Python package, Snakefile bundled with
-  Python package, command line interface provided to wrap Snakemake API call
-

requirements-to-freeze.txt

@@ -8,7 +8,7 @@ gitdb2==2.0.5
 GitPython==2.1.11
 idna==2.8
 jsonschema==2.6.0
-PyYAML>=4.2b1
+PyYAML==3.13
 ratelimiter==1.2.0.post0
 requests==2.21.0
 smmap2==2.0.5