From d2f736c82760daf7ee232d5a09b3a09ed8ba4692 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9E=97=E7=8E=AE?= <linw1995@icloud.com>
Date: Sun, 19 May 2019 12:06:01 +0800
Subject: [PATCH] Update docs

---
 data_extractor/abc.py        |  2 +-
 data_extractor/exceptions.py |  2 +-
 data_extractor/utils.py      |  4 ++--
 docs/source/quickstarts.rst  | 19 +++++++++++--------
 4 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/data_extractor/abc.py b/data_extractor/abc.py
index 5c3df63..f26a4a2 100644
--- a/data_extractor/abc.py
+++ b/data_extractor/abc.py
@@ -84,7 +84,7 @@ def extract(self, element: Any) -> Any:
 
         :param element: The target data node element.
 
-        :returns: Data or subelement
+        :returns: Data or subelement.
         """
         raise NotImplementedError
 
diff --git a/data_extractor/exceptions.py b/data_extractor/exceptions.py
index d4af96a..d10c0d6 100644
--- a/data_extractor/exceptions.py
+++ b/data_extractor/exceptions.py
@@ -14,7 +14,7 @@
 
 class ExprError(Exception):
     """
-    Invalid Expr
+    Invalid Expr.
 
     :param extractor: The object for data extracting base on :class:`data_extractor.abc.AbstractExtractor`.
     :param exc: The actual exception is thrown when extracting.
diff --git a/data_extractor/utils.py b/data_extractor/utils.py
index b12037f..10e1955 100644
--- a/data_extractor/utils.py
+++ b/data_extractor/utils.py
@@ -7,7 +7,7 @@
 
 
 class __Sentinel:
-    """ Singleton """
+    """ Singleton. """
 
     def __repr__(self) -> str:
         return "sentinel"
@@ -18,7 +18,7 @@ def __repr__(self) -> str:
 
 class LazyStr:
     """
-    Lazy String
+    Lazy String.
 
     :param func: Lazy __str__ function.
     """
diff --git a/docs/source/quickstarts.rst b/docs/source/quickstarts.rst
index fadedcf..813212d 100644
--- a/docs/source/quickstarts.rst
+++ b/docs/source/quickstarts.rst
@@ -4,6 +4,8 @@ Quickstarts
 Installation
 ------------
 
+.. code-block:: shell
+
     pip install data-extractor
 
 Usage
@@ -17,6 +19,8 @@ HTML or XML data
 
 Download RSS Sample file
 
+.. code-block:: shell
+
     wget http://www.rssboard.org/files/sample-rss-2.xml
 
 Parse it into :class:`data_extractor.lxml.Element`.
@@ -33,7 +37,7 @@ Using :class:`data_extractor.lxml.XPathExtractor` to extract rss channel title.
 
 .. code-block:: python3
 
-    from data_extractor.lxml import XPathExtractor
+    from data_extractor import XPathExtractor
 
     XPathExtractor("//channel/title/text()").extract_first(root)
 
@@ -48,7 +52,7 @@ to extract all rss item links.
 
 .. code-block:: python3
 
-    from data_extractor.lxml import TextCSSExtractor
+    from data_extractor import TextCSSExtractor
 
     TextCSSExtractor("item>link").extract(root)
 
@@ -65,7 +69,7 @@ Using :class:`data_extractor.lxml.AttrCSSExtractor` to extract rss version.
 
 .. code-block:: python3
 
-    from data_extractor.lxml import AttrCSSExtractor
+    from data_extractor import AttrCSSExtractor
 
     AttrCSSExtractor("rss", attr="version").extract_first(root)
 
@@ -88,7 +92,7 @@ Using :class:`data_extractor.json.JSONExtractor` to extract data.
 
 .. code-block:: python3
 
-    from data_extractor.json import JSONExtractor
+    from data_extractor import JSONExtractor
 
     JSONExtractor("foo[*].baz").extract(data)
 
@@ -106,8 +110,7 @@ then extracting the data.
 
 .. code-block:: python3
 
-    from data_extractor.item import Field, Item
-    from data_extractor.lxml import XPathExtractor
+    from data_extractor import Field, Item, XPathExtractor
 
     class ChannelItem(Item):
         title = Field(XPathExtractor("./title/text()"), default="")
@@ -134,7 +137,7 @@ Extracting the rss data from file
 
 .. code-block:: python3
 
-    from data_extractor.lxml import XPathExtractor
+    from data_extractor import XPathExtractor
 
     Channel(XPathExtractor("//channel")).extract(root)
 
@@ -190,7 +193,7 @@ Or just extracting the channel item from file.
 
 .. code-block:: python3
 
-    from data_extractor.lxml import XPathExtractor
+    from data_extractor import XPathExtractor
 
     ChannelItem(XPathExtractor("//channel/item"), is_many=True).extract(root)