From caba70c5cee5e772761f9bbb2e4a9c5beab0be1e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Touceda?= <chiiph@leap.se>
Date: Thu, 7 Mar 2013 19:38:42 -0300
Subject: Add setup script and linux distribution files

---
 pkg/utils.py | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 pkg/utils.py

(limited to 'pkg/utils.py')

diff --git a/pkg/utils.py b/pkg/utils.py
new file mode 100644
index 00000000..c6c57652
--- /dev/null
+++ b/pkg/utils.py
@@ -0,0 +1,55 @@
+"""
+Utils to help in the setup process
+"""
+import os
+import re
+import sys
+
+
+def get_reqs_from_files(reqfiles):
+    """
+    Returns the contents of the top requirement file listed as a
+    string list with the lines
+
+    @param reqfiles: requirement files to parse
+    @type reqfiles: list of str
+    """
+    for reqfile in reqfiles:
+        if os.path.isfile(reqfile):
+            return open(reqfile, 'r').read().split('\n')
+
+
+def parse_requirements(reqfiles=['requirements.txt',
+                                 'requirements.pip',
+                                 'pkg/requirements.pip']):
+    """
+    Parses the requirement files provided
+
+    @param reqfiles: requirement files to parse
+    @type reqfiles: list of str
+    """
+
+    requirements = []
+    for line in get_reqs_from_files(reqfiles):
+        # -e git://foo.bar/baz/master#egg=foobar
+        if re.match(r'\s*-e\s+', line):
+            requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
+                                line))
+        # http://foo.bar/baz/foobar/zipball/master#egg=foobar
+        elif re.match(r'\s*https?:', line):
+            requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1',
+                                line))
+        # -f lines are for index locations, and don't get used here
+        elif re.match(r'\s*-f\s+', line):
+            pass
+
+        # argparse is part of the standard library starting with 2.7
+        # adding it to the requirements list screws distro installs
+        elif line == 'argparse' and sys.version_info >= (2, 7):
+            pass
+        else:
+            if line != '':
+                requirements.append(line)
+
+    #print 'REQUIREMENTS', requirements
+    return requirements
-- 
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