This is useful for example when pretty printing to non-terminals
(web browsers via html, etc.)
---
sympy/printing/pretty/pretty.py | 19 +++++++++++++++----
sympy/printing/pretty/tests/test_pretty_unicode.py | 6 ++++++
2 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/sympy/printing/pretty/pretty.py b/sympy/printing/pretty/pretty.py
index 9a31e46..da335f0 100644
--- a/sympy/printing/pretty/pretty.py
+++ b/sympy/printing/pretty/pretty.py
@@ -21,13 +21,18 @@ def __init__(self, profile=None):
self._settings = {
"full_prec" : "auto",
"use_unicode" : True,
+ "wrap_line" : True,
}
if profile is not None:
self._settings.update(profile)
def doprint(self, expr):
- return self._print(expr).terminal_string()
+ if self._settings["wrap_line"]:
+ return self._print(expr).terminal_string()
+ if self._settings["use_unicode"]:
+ return unicode(self._print(expr))
+ return str(self._print(expr))
# empty op so _print(stringPict) returns the same
def _print_stringPict(self, e):
@@ -591,9 +596,15 @@ def __print_set(self, s):
def pretty(expr, profile=None, **kargs):
"""
- Returns a string containing the prettified form of expr. If use_unicode
- is set to True then certain expressions will use unicode characters,
- such as the greek letter pi for Pi instances.
+ Returns a string containing the prettified form of expr.
+
+ Arguments
+ ---------
+ expr: the expression to print
+ wrap_line: line wrapping enabled/disabled, should be a boolean value
(default to True)
+ use_unicode: use unicode characters, such as the greek letter pi instead
of
+ the string pi. Values should be boolean or None
+ full_prec: use full precission. Default to "auto"
"""
if profile is not None:
profile.update(kargs)
diff --git a/sympy/printing/pretty/tests/test_pretty_unicode.py
b/sympy/printing/pretty/tests/test_pretty_unicode.py
index ee7bb16..5e22b00 100644
--- a/sympy/printing/pretty/tests/test_pretty_unicode.py
+++ b/sympy/printing/pretty/tests/test_pretty_unicode.py
@@ -386,3 +386,9 @@ def test_upretty_seq_even():
"""
assert u == s
+def test_pretty_no_wrap_line():
+ huge_expr = 0
+ for i in range(20):
+ huge_expr += i*sin(i+x)
+ assert pretty(huge_expr ).find('\n') != -1
+ assert pretty(huge_expr, wrap_line=False).find('\n') == -1
--
1.6.1.2
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