Drop irc library as a dependency

.travis.yml

@@ -5,7 +5,7 @@ python:
   - "3.3"
   - "3.4"
 # command to install dependencies
-install: "pip install irc pytest-cov coveralls"
+install: "pip install pytest-cov coveralls"
 # command to run tests
 script: "py.test --cov-config .coveragerc --cov-report term-missing --cov pyromancer pyromancer/test"
 after_success:

README.md

@@ -172,6 +172,9 @@ You can also return a `Timer` instance, or specify a callable as the second item
 
 ### Using a database
 
+Using a database requires [SQLAlchemy][2].
+
+  [2]: http://www.sqlalchemy.org
   [3]: http://docs.sqlalchemy.org/en/latest/core/engines.html?highlight=create_engine#sqlalchemy.create_engine
   [4]: http://docs.sqlalchemy.org/en/latest/orm/extensions/declarative.html#sqlalchemy.ext.declarative.declarative_base
   [5]: http://docs.sqlalchemy.org/en/latest/orm/session.html
@@ -236,15 +239,6 @@ def timers(match):
     return 'Timer count: {}', session.query(Test).count()
 ```
 
-### Dependencies
-
-* [irc][1]
-* [SQLAlchemy][2], if you want to enable the use of a database.
-
-
-  [1]: https://pypi.python.org/pypi/irc
-  [2]: http://www.sqlalchemy.org
-
 ### Support
 
 Python 2.7 and 3.0 - 3.4 are supported. Note that development occurs on Python 3.
@@ -261,7 +255,9 @@ Python 2.7 and 3.0 - 3.4 are supported. Note that development occurs on Python 3
 * Add integrated database support.
 * Add command module which tracks channels and users.
 * Change color code parameter in message formatting to `c` (was `k` by mistake).
+* Dropped [irc][1] as a dependency.
 * Switch to MIT license.
+[1]: https://pypi.python.org/pypi/irc
 
 ##### Yet to do for 1.0:
 * Clean up code and raise test coverage.

pyromancer/objects.py

@@ -4,8 +4,6 @@
 import socket
 import time
 
-from irc.buffer import DecodingLineBuffer
-
 from pyromancer import utils
 
 
@@ -136,6 +134,35 @@ def __getattr__(self, item):
                              'installed packages'.format(item))
 
 
+class LineBuffer(object):
+    """Line buffer based on irc library's DecodingLineBuffer.
+
+    See https://bitbucket.org/jaraco/irc
+    """
+    line_sep_exp = re.compile(b'\r?\n')
+
+    def __init__(self, encoding='utf-8'):
+        self.buffer = b''
+        self.encoding = encoding
+
+    def feed(self, bytes):
+        self.buffer += bytes
+
+    def lines(self):
+        lines = self.line_sep_exp.split(self.buffer)
+        # save the last, unfinished, possibly empty line
+        self.buffer = lines.pop()
+
+        for line in lines:
+            yield line.decode(self.encoding, 'strict')
+
+    def __iter__(self):
+        return self.lines()
+
+    def __len__(self):
+        return len(self.buffer)
+
+
 class Connection(object):
 
     def __init__(self, host, port, encoding='utf8'):
@@ -144,8 +171,7 @@ def __init__(self, host, port, encoding='utf8'):
         self.socket.setblocking(False)
         self.encoding = encoding
 
-        self.buffer = DecodingLineBuffer()
-        self.buffer.encoding = self.encoding
+        self.buffer = LineBuffer(self.encoding)
 
         self.me = User('')
 

setup.py

@@ -16,9 +16,7 @@
     author='Gwildor Sok',
     author_email='gwildorsok@gmail.com',
     url='https://github.com/Gwildor/Pyromancer',
-    install_requires=[
-        'irc'
-    ],
+    install_requires=[],
     classifiers=[
         'Intended Audience :: Developers',
         'Intended Audience :: Information Technology',