Implement feature new format: Cli. Generate adapter for tabulate. This close issue #340

* Implement feature new format: Cli. Generate adapter for  tabulate. This close issue #340

* Write respective tests.

* Correct name Clase Base Test

* Implement missing class method to export cli.

* Remove property headers in method export book Cli.

* Remove cli from list to test Iterable data books.

setup.py

@@ -9,6 +9,7 @@ install = [
     'xlrd',
     'xlwt',
     'pyyaml',
+    'tabulate',
 ]
 
 

src/tablib/core.py

@@ -621,6 +621,14 @@ class Dataset:
         """
         pass
 
+    @property
+    def cli():
+        """A CLI table representation of the :class:`Dataset` object.
+
+        .. note:: This method can be used for export only.
+        """
+        pass
+
     @property
     def jira():
         """A Jira table representation of the :class:`Dataset` object.

src/tablib/formats/__init__.py

@@ -14,6 +14,7 @@ from . import _tsv as tsv
 from . import _xls as xls
 from . import _xlsx as xlsx
 from . import _yaml as yaml
+from . import _cli as cli
 
 # xlsx before as xls (xlrd) can also read xlsx
-available = (json, xlsx, xls, yaml, csv, dbf, tsv, html, jira, latex, ods, df, rst)
+available = (json, xlsx, xls, yaml, csv, dbf, tsv, html, jira, latex, ods, df, rst, cli)

src/tablib/formats/_cli.py

@@ -0,0 +1,20 @@
+""" Tablib - CLI Support
+"""
+from tabulate import tabulate
+
+title = 'cli'
+extensions = ('txt',)
+
+DEFAULT_FORMAT = 'plain'
+
+def export_set(dataset, **kwargs):
+    """Returns CLI representation of Dataset."""
+    if( dataset.headers is not None ):
+        kwargs.setdefault('headers', dataset.headers)
+    kwargs.setdefault('tablefmt', DEFAULT_FORMAT)
+    return tabulate( dataset, **kwargs)
+
+def export_book(dataset, **kwargs):
+    """Returns CLI representation of Dataset."""
+    kwargs.setdefault('tablefmt', DEFAULT_FORMAT)
+    return tabulate( dataset, **kwargs)

tests/test_tablib.py

@@ -1214,6 +1214,12 @@ class JiraTests(BaseTestCase):
     def test_jira_export_empty_dataset(self):
         self.assertTrue(tablib.Dataset().jira is not None)
 
+class CliTests(BaseTestCase):
+    def test_cli_export(self):
+        self.assertEqual('a  b  c', tablib.Dataset(['a', 'b', 'c']).cli)
+
+    def test_cli_export_github(self):
+        self.assertEqual('|---|---|---|\n| a | b | c |', tablib.Dataset(['a','b','c']).export('cli',tablefmt='github'))
 
 class DocTests(unittest.TestCase):