Fix markdown descriptions on PyPI (#208)

* Rebase on MD long_description

* v1.0.13

* Fixed linting error

* Revert "v1.0.13"

This reverts commit 5a43c65.

* Updated profiles

Author: serahkiburu

.gitignore

@@ -71,3 +71,4 @@ jsontableschema_sql
 jsontableschema_bigquery
 jsontableschema_pandas
 README.rst
+.pytest_cache/

.travis.yml

@@ -1,13 +1,5 @@
 sudo:
-  required
-
-dist:
-  trusty
-
-addons:
-  apt:
-    packages:
-      - pandoc
+  false
 
 language:
   python
@@ -31,11 +23,6 @@ script:
 after_success:
   - coveralls
 
-before_deploy:
-  - pandoc --version
-  - pandoc -f markdown_github -t rst -o README.rst README.md
-  - mv README.rst README.md
-
 deploy:
   provider: pypi
   user: roll

setup.py

@@ -56,6 +56,7 @@ def read(*paths):
     },
     zip_safe=False,
     long_description=README,
+    long_description_content_type="text/markdown",
     description='A utility library for working with Table Schema in Python',
     author='Open Knowledge Foundation',
     author_email='[email protected]',

tableschema/profiles/table-schema.json

@@ -1540,7 +1540,6 @@
     },
     "missingValues": {
       "type": "array",
-      "minItems": 1,
       "items": {
         "type": "string"
       },
@@ -1550,7 +1549,8 @@
       "description": "Values that when encountered in the source, should be considered as `null`, 'not present', or 'blank' values.",
       "context": "Many datasets arrive with missing data values, either because a value was not collected or it never existed.\nMissing values may be indicated simply by the value being empty in other cases a special value may have been used e.g. `-`, `NaN`, `0`, `-9999` etc.\nThe `missingValues` property provides a way to indicate that these values should be interpreted as equivalent to null.\n\n`missingValues` are strings rather than being the data type of the particular field. This allows for comparison prior to casting and for fields to have missing value which are not of their type, for example a `number` field to have missing values indicated by `-`.\n\nThe default value of `missingValue` for a non-string type field is the empty string `''`. For string type fields there is no default for `missingValue` (for string fields the empty string `''` is a valid value and need not indicate null).",
       "examples": [
-        "{\n  \"missingValues\": [\n    \"-\",\n    \"NaN\",\n    \"\"\n  ]\n}\n"
+        "{\n  \"missingValues\": [\n    \"-\",\n    \"NaN\",\n    \"\"\n  ]\n}\n",
+        "{\n  \"missingValues\": []\n}\n"
       ]
     }
   },

tableschema/types/number.py

@@ -17,7 +17,7 @@ def cast_number(format, value, **options):
     decimal_char = options.get('decimalChar', _DEFAULT_DECIMAL_CHAR)
     if not isinstance(value, Decimal):
         if isinstance(value, six.string_types):
-            value = re.sub('\s', '', value)
+            value = re.sub(r'\s', '', value)
             value = value.replace(decimal_char, '.')
             value = value.replace(group_char, '')
             if not options.get('bareNumber', _DEFAULT_BARE_NUMBER):